chore(tui): reference core type declarations

packages/ai/src/schema/options.ts

@@ -178,7 +178,6 @@ export class LanguageModelCompatibility extends Schema.Class<LanguageModelCompat
   toolSchema: Schema.optional(LanguageModelToolSchemaCompatibility),
   reasoningField: Schema.optional(Schema.String),
   maxTokensField: Schema.optional(LanguageModelMaxTokensFieldCompatibility),
-  requireFinishReason: Schema.optional(Schema.Boolean),
 }) {}
 
 export namespace LanguageModelCompatibility {

packages/ai/test/llm.test.ts

@@ -102,7 +102,7 @@ describe("llm constructors", () => {
     const updated = LanguageModel.update(base, {
       route: responsesRoute,
       defaults: { generation: { maxTokens: 20 } },
-      compatibility: { toolSchema: "gemini", requireFinishReason: false },
+      compatibility: { toolSchema: "gemini" },
     })
     const updatedInput = LanguageModel.input(updated)
 
@@ -110,7 +110,7 @@ describe("llm constructors", () => {
     expect(String(updated.id)).toBe("fake-model")
     expect(updated.route).toBe(responsesRoute)
     expect(updated.defaults?.generation).toEqual({ maxTokens: 20 })
-    expect(updated.compatibility).toEqual({ toolSchema: "gemini", requireFinishReason: false })
+    expect(updated.compatibility).toEqual({ toolSchema: "gemini" })
     expect(updatedInput.defaults).toBe(updated.defaults)
     expect(updatedInput.compatibility).toBe(updated.compatibility)
     expect(String(updatedInput.provider)).toBe("fake")

packages/app/src/components/dialog-select-mcp.tsx

@@ -10,6 +10,7 @@ const statusLabels = {
   connected: "mcp.status.connected",
   failed: "mcp.status.failed",
   needs_auth: "mcp.status.needs_auth",
+  needs_client_registration: "mcp.status.needs_client_registration",
   disabled: "mcp.status.disabled",
 } as const
 
@@ -56,7 +57,7 @@ export const DialogSelectMcp: Component = () => {
           }
           const error = () => {
             const s = mcpStatus()
-            if (s?.status === "failed") return s.error
+            if (s?.status === "failed" || s?.status === "needs_client_registration") return s.error
           }
           const enabled = () => status() === "connected"
           return (

packages/app/src/components/status-popover-body.tsx

@@ -426,7 +426,8 @@ export function StatusPopoverBody(props: { shown: Accessor<boolean> }) {
                             "bg-icon-success-base": status() === "connected",
                             "bg-icon-critical-base": status() === "failed",
                             "bg-border-weak-base": status() === "disabled",
-                            "bg-icon-warning-base": status() === "needs_auth",
+                            "bg-icon-warning-base":
+                              status() === "needs_auth" || status() === "needs_client_registration",
                           }}
                         />
                         <span class="flex flex-col min-w-0 flex-1">

packages/app/src/components/status-popover-indicator.test.ts

@@ -35,6 +35,7 @@ describe("hasNonBlockingServiceIssue", () => {
   test("detects MCP failures that do not block chatting", () => {
     expect(hasNonBlockingServiceIssue({ mcp: ["failed"], lsp: [] })).toBe(true)
     expect(hasNonBlockingServiceIssue({ mcp: ["needs_auth"], lsp: [] })).toBe(true)
+    expect(hasNonBlockingServiceIssue({ mcp: ["needs_client_registration"], lsp: [] })).toBe(true)
     expect(hasNonBlockingServiceIssue({ mcp: ["connected", "pending", "disabled"], lsp: [] })).toBe(false)
   })
 
@@ -47,6 +48,7 @@ describe("hasNonBlockingServiceIssue", () => {
 describe("hasServiceNeedingAttention", () => {
   test("detects MCP states that need user attention", () => {
     expect(hasServiceNeedingAttention({ mcp: ["needs_auth"] })).toBe(true)
+    expect(hasServiceNeedingAttention({ mcp: ["needs_client_registration"] })).toBe(true)
   })
 
   test("ignores states that do not need user attention", () => {

packages/app/src/components/status-popover-indicator.ts

@@ -2,7 +2,7 @@ import type { LspStatus } from "@/types"
 import type { McpServer } from "@opencode-ai/client/promise"
 
 export function hasServiceNeedingAttention(input: { mcp: Array<McpServer["status"]["status"]> }) {
-  return input.mcp.some((status) => status === "needs_auth")
+  return input.mcp.some((status) => status === "needs_auth" || status === "needs_client_registration")
 }
 
 export function hasNonBlockingServiceIssue(input: {

packages/app/src/context/global-sync/mcp.ts

@@ -13,6 +13,7 @@ export async function toggleMcp(input: {
     needs_auth: input.authenticate,
     disabled: input.connect,
     failed: input.connect,
+    needs_client_registration: input.connect,
   }[input.status]()
   await input.refresh()
 }

packages/cli/src/commands/commands.ts

@@ -140,32 +140,6 @@ export const Commands = Spec.make(typeof OPENCODE_CLI_NAME === "string" ? OPENCO
       description: "List all available models",
       params: ServerParams,
     }),
-    Spec.make("export", {
-      description: "Export session data as JSON",
-      params: {
-        ...ServerParams,
-        session: Flag.string("session").pipe(
-          Flag.withAlias("s"),
-          Flag.withDescription("Session ID to export to stdout"),
-          Flag.optional,
-        ),
-        sanitize: Flag.boolean("sanitize").pipe(
-          Flag.withDescription("Redact sensitive transcript and file data"),
-          Flag.withDefault(false),
-        ),
-      },
-    }),
-    Spec.make("import", {
-      description: "Import session data from a JSON file or URL",
-      params: {
-        ...ServerParams,
-        file: Argument.string("file").pipe(Argument.withDescription("JSON file or URL to import")),
-        directory: Flag.string("directory").pipe(
-          Flag.withDescription("Directory in which to import the session"),
-          Flag.optional,
-        ),
-      },
-    }),
     Spec.make("mini", {
       description: "Start the minimal interactive interface",
       params: {

packages/cli/src/commands/handlers/export.ts

@@ -1,140 +0,0 @@
-import { OpenCode, type SessionInfo } from "@opencode-ai/client"
-import { Service } from "@opencode-ai/client/effect/service"
-import { Effect, Option } from "effect"
-import { EOL, tmpdir } from "node:os"
-import path from "node:path"
-import { emitKeypressEvents, type Key } from "node:readline"
-import { Commands } from "../commands"
-import { Runtime } from "../../framework/runtime"
-import { ServerConnection } from "../../services/server-connection"
-
-export default Runtime.handler(
-  Commands.commands.export,
-  Effect.fn("cli.export")(function* (input) {
-    const server = yield* ServerConnection.resolve({
-      server: Option.getOrUndefined(input.server),
-      standalone: input.standalone,
-    })
-    const client = OpenCode.make({
-      baseUrl: server.endpoint.url,
-      headers: Service.headers(server.endpoint),
-    })
-    const requested = Option.getOrUndefined(input.session)
-    const selected = requested
-      ? undefined
-      : yield* Effect.promise(async () => {
-          const location = await client.location.get({ location: { directory: process.cwd() } })
-          const page = await client.session.list({
-            directory: location.directory,
-            workspace: location.workspaceID,
-            parentID: null,
-            order: "desc",
-            limit: 50,
-          })
-          if (page.data.length === 0) {
-            process.stderr.write(`No sessions found${EOL}`)
-            return undefined
-          }
-          return selectSession(page.data, input.sanitize)
-        })
-    const sessionID = requested ?? selected?.session.id
-    if (!sessionID) return
-    const data = yield* Effect.promise(() =>
-      client.session.export({ sessionID, sanitize: selected?.sanitize ?? input.sanitize }),
-    )
-    process.stdout.write(yield* Effect.promise(() => writeExport(data, sessionID, requested !== undefined)))
-  }),
-)
-
-type Selection = { session: SessionInfo; sanitize: boolean }
-
-function selectSession(sessions: SessionInfo[], initialSanitize: boolean) {
-  if (!process.stdin.isTTY) return Promise.reject(new Error("Session ID is required when stdin is not interactive"))
-  const input = process.stdin
-  const output = process.stderr
-  const wasRaw = input.isRaw
-  const wasPaused = input.isPaused()
-  const date = new Intl.DateTimeFormat(undefined, {
-    month: "short",
-    day: "numeric",
-    hour: "numeric",
-    minute: "2-digit",
-  })
-  const columns = output.columns ?? 100
-  const titleWidth = Math.max(8, Math.min(48, columns - 34))
-  let selected = 0
-  let offset = 0
-  let sanitize = initialSanitize
-  let height = 0
-
-  const render = () => {
-    const visible = sessions.slice(offset, offset + 10)
-    const lines = ["  \x1b[36mExport session\x1b[0m", ""]
-    lines.push(
-      ...visible.map((session) => {
-        const index = sessions.indexOf(session)
-        const title = (session.title ?? "Untitled session").slice(0, titleWidth).padEnd(titleWidth)
-        const updated = date.format(session.time.updated).slice(0, 18).padEnd(18)
-        const row = `${index === selected ? ">" : " "} ${title}  ${updated}  ${session.id.slice(-8)}`
-        return index === selected ? `\x1b[1m${row}\x1b[0m` : row
-      }),
-      "",
-      `  [${sanitize ? "x" : " "}] sanitize sensitive data`,
-      "",
-      "  navigate \x1b[2mup/down\x1b[0m   sanitize \x1b[2mspace\x1b[0m   export \x1b[2menter\x1b[0m   cancel \x1b[2mesc\x1b[0m",
-    )
-    if (height > 0) output.write(`\x1b[${height}F\x1b[J`)
-    output.write(lines.join(EOL) + EOL)
-    height = lines.length
-  }
-  const clear = () => {
-    if (height > 0) output.write(`\x1b[${height}F\x1b[J`)
-    output.write("\x1b[?25h")
-    input.removeListener("keypress", onKeypress)
-    input.setRawMode(wasRaw ?? false)
-    if (wasPaused) input.pause()
-  }
-  const onKeypress = (value: string | undefined, key: Key) => {
-    if (key.name === "up") {
-      selected = (selected - 1 + sessions.length) % sessions.length
-      if (selected === sessions.length - 1) offset = Math.max(0, sessions.length - 10)
-      if (selected < offset) offset = selected
-    }
-    if (key.name === "down") {
-      selected = (selected + 1) % sessions.length
-      if (selected === 0) offset = 0
-      if (selected >= offset + 10) offset = selected - 9
-    }
-    if (key.name === "space" || value === " ") sanitize = !sanitize
-    if (key.name === "return") return finish(sessions[selected])
-    if (key.name === "escape" || (key.ctrl && key.name === "c")) return cancel()
-    render()
-  }
-  const finish = (session: SessionInfo) => {
-    clear()
-    resolveSelection?.({ session, sanitize })
-  }
-  const cancel = () => {
-    clear()
-    resolveSelection?.()
-  }
-  let resolveSelection: ((selection?: Selection) => void) | undefined
-
-  emitKeypressEvents(input)
-  input.setRawMode(true)
-  input.resume()
-  input.on("keypress", onKeypress)
-  output.write("\x1b[?25l")
-  render()
-  return new Promise<Selection | undefined>((resolve) => {
-    resolveSelection = resolve
-  })
-}
-
-export async function writeExport(data: unknown, sessionID: string, stdout: boolean) {
-  const json = JSON.stringify(data, null, 2) + EOL
-  if (stdout) return json
-  const file = path.join(tmpdir(), `opencode-session-${sessionID}-${crypto.randomUUID().slice(0, 8)}.json`)
-  await Bun.write(file, json)
-  return file + EOL
-}

packages/cli/src/commands/handlers/import.ts

@@ -1,60 +0,0 @@
-import { OpenCode } from "@opencode-ai/client"
-import { Service } from "@opencode-ai/client/effect/service"
-import { Session } from "@opencode-ai/schema/session"
-import { SessionTransfer } from "@opencode-ai/schema/session-transfer"
-import { Effect, Option, Schema } from "effect"
-import { EOL } from "node:os"
-import path from "node:path"
-import { Commands } from "../commands"
-import { Runtime } from "../../framework/runtime"
-import { ServerConnection } from "../../services/server-connection"
-
-export default Runtime.handler(
-  Commands.commands.import,
-  Effect.fn("cli.import")(function* (input) {
-    const text = yield* Effect.tryPromise({
-      try: () =>
-        input.file.startsWith("http://") || input.file.startsWith("https://")
-          ? fetch(input.file).then((response) => {
-              if (!response.ok) throw new Error(`Failed to fetch session data: ${response.statusText}`)
-              return response.text()
-            })
-          : Bun.file(input.file).text(),
-      catch: (cause) => new Error(`Failed to read session data: ${cause instanceof Error ? cause.message : String(cause)}`),
-    })
-    const data = yield* Schema.decodeUnknownEffect(Schema.fromJsonString(SessionTransfer.Data))(text)
-    const encoded = Schema.encodeSync(SessionTransfer.Data)(data)
-    const server = yield* ServerConnection.resolve({
-      server: Option.getOrUndefined(input.server),
-      standalone: input.standalone,
-    })
-    const client = OpenCode.make({
-      baseUrl: server.endpoint.url,
-      headers: Service.headers(server.endpoint),
-    })
-    const location = yield* Effect.promise(() =>
-      client.location.get({
-        location: { directory: path.resolve(Option.getOrElse(input.directory, () => process.cwd())) },
-      }),
-    )
-    const response = yield* Effect.promise(() =>
-      fetch(new URL("/api/session/import", server.endpoint.url), {
-        method: "POST",
-        headers: { ...Service.headers(server.endpoint), "content-type": "application/json" },
-        body: JSON.stringify({
-          ...encoded,
-          location: { directory: location.directory, workspaceID: location.workspaceID },
-        }),
-      }),
-    )
-    if (response.status === 409) {
-      process.stderr.write(`Session already exists${EOL}`)
-      return
-    }
-    if (!response.ok) yield* Effect.fail(new Error(`Failed to import session: ${response.statusText}`))
-    const imported = yield* Schema.decodeUnknownEffect(
-      Schema.fromJsonString(Schema.Struct({ data: Session.Info })),
-    )(yield* Effect.promise(() => response.text()))
-    process.stdout.write(`Imported session: ${imported.data.id}${EOL}`)
-  }),
-)

packages/cli/src/commands/handlers/mcp/list.ts

@@ -34,6 +34,7 @@ function icon(status: McpServer["status"]) {
     case "needs_auth":
       return "⚠"
     case "failed":
+    case "needs_client_registration":
       return "✗"
     default:
       return "○"
@@ -44,6 +45,8 @@ function describe(status: McpServer["status"]) {
   switch (status.status) {
     case "needs_auth":
       return "needs authentication"
+    case "needs_client_registration":
+      return `needs client registration: ${status.error}`
     case "failed":
       return `failed: ${status.error}`
     default:

packages/cli/src/index.ts

@@ -37,8 +37,6 @@ const Handlers = Runtime.handlers(Commands, {
     list: () => import("./commands/handlers/plugin/list"),
   },
   models: () => import("./commands/handlers/models"),
-  export: () => import("./commands/handlers/export"),
-  import: () => import("./commands/handlers/import"),
   mini: () => import("./commands/handlers/mini"),
   run: () => import("./commands/handlers/run"),
   pair: () => import("./commands/handlers/pair"),

packages/cli/src/run/run.ts

@@ -94,9 +94,11 @@ async function execute(input: RunCommandInput, prepared: Prepared, endpoint: End
     prepare: async (next) => {
       const selected =
         next.model ??
-        (await client.model
-          .default({ location: { directory: next.location.directory, workspace: next.location.workspaceID } })
-          .then((result) => result.data))
+        (options.variant
+          ? await client.model
+              .default({ location: { directory: next.location.directory, workspace: next.location.workspaceID } })
+              .then((result) => result.data)
+          : undefined)
       const model = selected
         ? {
             providerID: selected.providerID,
@@ -106,12 +108,7 @@ async function execute(input: RunCommandInput, prepared: Prepared, endpoint: End
         : undefined
       if ((options.variant ?? explicit?.variant) && !model)
         throw new RunTargetError("Cannot select a variant before selecting a model", next.session?.id)
-      const agent =
-        next.agent ??
-        (await client.agent
-          .list({ location: { directory: next.location.directory, workspace: next.location.workspaceID } })
-          .then((result) => result.data.find((item) => item.mode !== "subagent" && !item.hidden)?.id))
-      return { model, agent }
+      return { model, agent: next.agent }
     },
   }).catch((error) => {
     if (!(error instanceof RunTargetError)) throw error

packages/cli/src/session-target.ts

@@ -56,16 +56,13 @@ export async function resolveSessionTarget(input: {
     agent: input.agent ?? selected?.agent,
     signal: input.signal,
   })
-  if (!selected && (!prepared.agent || !prepared.model)) {
-    throw new SessionTargetMutationError(new Error("Creating a session requires an agent and model"))
-  }
   const session =
     selected ??
     (await input.client.session
       .create(
         {
-          agent: prepared.agent!,
-          model: prepared.model!,
+          agent: prepared.agent,
+          model: prepared.model,
           location: { directory: location.directory, workspaceID: location.workspaceID },
         },
         ...requestOptions(input.signal),

packages/cli/test/import-export.test.ts

@@ -1,210 +0,0 @@
-import { expect, test } from "bun:test"
-import fs from "node:fs/promises"
-import os from "node:os"
-import path from "node:path"
-import { OPENCODE_VERSION } from "../src/version"
-import { writeExport } from "../src/commands/handlers/export"
-
-const info = {
-  id: "ses_export_test",
-  projectID: "global",
-  cost: 0,
-  tokens: { input: 0, output: 0, reasoning: 0, cache: { read: 0, write: 0 } },
-  time: { created: 1, updated: 2 },
-  title: "Exported session",
-  location: { directory: "/project" },
-}
-const transfer = {
-  info,
-  messages: [
-    { id: "msg_first", type: "user", text: "First", time: { created: 1 } },
-    { id: "msg_second", type: "user", text: "Second", time: { created: 2 } },
-  ],
-}
-const sanitizedTransfer = {
-  info: {
-    ...info,
-    title: "[redacted:session-title:ses_export_test]",
-    location: { directory: "/[redacted:session-directory:ses_export_test]" },
-  },
-  messages: [
-    {
-      id: "msg_first",
-      type: "user",
-      text: "[redacted:text:msg_first]",
-      time: { created: 1 },
-    },
-    {
-      id: "msg_second",
-      type: "user",
-      text: "[redacted:text:msg_second]",
-      time: { created: 2 },
-    },
-  ],
-}
-
-const health = () => Response.json({ healthy: true, version: OPENCODE_VERSION, pid: process.pid })
-
-function run(args: string[], stdin?: string) {
-  const child = Bun.spawn([process.execPath, "run", "src/index.ts", ...args], {
-    cwd: path.join(import.meta.dir, ".."),
-    stdin: stdin === undefined ? undefined : new Blob([stdin]),
-    stdout: "pipe",
-    stderr: "pipe",
-  })
-  return Promise.all([new Response(child.stdout).text(), new Response(child.stderr).text(), child.exited])
-}
-
-test("export is raw by default and supports explicit sanitization", async () => {
-  const sanitization: string[] = []
-  const server = Bun.serve({
-    port: 0,
-    fetch(request) {
-      const url = new URL(request.url)
-      if (url.pathname === "/api/health") return health()
-      if (url.pathname === `/api/session/${info.id}`) return Response.json({ data: info })
-      if (url.pathname === `/api/session/${info.id}/export`) {
-        sanitization.push(url.searchParams.get("sanitize") ?? "")
-        return Response.json({ data: url.searchParams.get("sanitize") === "true" ? sanitizedTransfer : transfer })
-      }
-      return new Response("Not found", { status: 404 })
-    },
-  })
-
-  try {
-    const [stdout, , exitCode] = await run(["export", "-s", info.id, "--server", server.url.toString()])
-    const exported = JSON.parse(stdout)
-
-    expect(exitCode).toBe(0)
-    expect(exported).toEqual(transfer)
-
-    const [sanitized, , sanitizedExitCode] = await run([
-      "export",
-      "-s",
-      info.id,
-      "--sanitize",
-      "--server",
-      server.url.toString(),
-    ])
-    expect(sanitizedExitCode).toBe(0)
-    expect(JSON.parse(sanitized)).toEqual(sanitizedTransfer)
-    expect(sanitization).toEqual(["false", "true"])
-  } finally {
-    await server.stop(true)
-  }
-}, 15_000)
-
-test("export reports an empty session list without a stack trace", async () => {
-  const server = Bun.serve({
-    port: 0,
-    fetch(request) {
-      const url = new URL(request.url)
-      if (url.pathname === "/api/health") return health()
-      if (url.pathname === "/api/location") {
-        return Response.json({
-          directory: "/project",
-          project: { id: "global", directory: "/project", canonical: "/project" },
-        })
-      }
-      if (url.pathname === "/api/session") return Response.json({ data: [], cursor: {} })
-      return new Response("Not found", { status: 404 })
-    },
-  })
-
-  try {
-    const [stdout, stderr, exitCode] = await run(["export", "--server", server.url.toString()])
-
-    expect(exitCode).toBe(0)
-    expect(stdout).toBe("")
-    expect(stderr).toBe(`No sessions found${os.EOL}`)
-  } finally {
-    await server.stop(true)
-  }
-})
-
-test("interactive export writes a temporary JSON file", async () => {
-  const output = await writeExport(transfer, info.id, false)
-  const file = output.trim()
-
-  try {
-    expect(path.dirname(file)).toBe(os.tmpdir())
-    expect(await Bun.file(file).json()).toEqual(transfer)
-  } finally {
-    await fs.rm(file, { force: true })
-  }
-})
-
-test("import validates a file and sends it to the resolved location", async () => {
-  const root = await fs.mkdtemp(path.join(os.tmpdir(), "opencode-import-"))
-  const file = path.join(root, "session.json")
-  await fs.writeFile(file, JSON.stringify(transfer))
-  let imported: unknown
-  const server = Bun.serve({
-    port: 0,
-    async fetch(request) {
-      const url = new URL(request.url)
-      if (url.pathname === "/api/health") return health()
-      if (url.pathname === "/api/location") {
-        return Response.json({
-          directory: root,
-          project: { id: "global", directory: root, canonical: root },
-        })
-      }
-      if (url.pathname === "/api/session/import") {
-        imported = await request.json()
-        return Response.json({ data: { ...info, location: { directory: root } } })
-      }
-      return new Response("Not found", { status: 404 })
-    },
-  })
-
-  try {
-    const [stdout, , exitCode] = await run([
-      "import",
-      file,
-      "--directory",
-      root,
-      "--server",
-      server.url.toString(),
-    ])
-
-    expect(exitCode).toBe(0)
-    expect(stdout).toBe(`Imported session: ${info.id}${os.EOL}`)
-    expect(imported).toEqual({ ...transfer, location: { directory: root } })
-  } finally {
-    await server.stop(true)
-    await fs.rm(root, { recursive: true, force: true })
-  }
-})
-
-test("import reports an existing session without a stack trace", async () => {
-  const root = await fs.mkdtemp(path.join(os.tmpdir(), "opencode-import-conflict-"))
-  const file = path.join(root, "session.json")
-  await fs.writeFile(file, JSON.stringify(transfer))
-  const server = Bun.serve({
-    port: 0,
-    fetch(request) {
-      const url = new URL(request.url)
-      if (url.pathname === "/api/health") return health()
-      if (url.pathname === "/api/location") {
-        return Response.json({
-          directory: root,
-          project: { id: "global", directory: root, canonical: root },
-        })
-      }
-      if (url.pathname === "/api/session/import") return new Response("Conflict", { status: 409 })
-      return new Response("Not found", { status: 404 })
-    },
-  })
-
-  try {
-    const [stdout, stderr, exitCode] = await run(["import", file, "--server", server.url.toString()])
-
-    expect(exitCode).toBe(0)
-    expect(stdout).toBe("")
-    expect(stderr).toBe(`Session already exists${os.EOL}`)
-  } finally {
-    await server.stop(true)
-    await fs.rm(root, { recursive: true, force: true })
-  }
-})

packages/cli/test/session-target.test.ts

@@ -61,11 +61,7 @@ describe("session target resolver", () => {
     spyOn(client.location, "get").mockResolvedValue(location("/server", "work_1"))
     const create = spyOn(client.session, "create").mockImplementation(async (input) => {
       order.push("create")
-      expect(input).toMatchObject({
-        agent: "prepared",
-        model: { providerID: "openai", id: "gpt-5" },
-        location: { directory: "/server", workspaceID: "work_1" },
-      })
+      expect(input).toMatchObject({ agent: "prepared", location: { directory: "/server", workspaceID: "work_1" } })
       return session("ses_fresh", "/server", "work_1")
     })
 
@@ -75,22 +71,20 @@ describe("session target resolver", () => {
       prepare: async (input) => {
         order.push("prepare")
         expect(input.location.workspaceID).toBe("work_1")
-        return { model: { providerID: "openai", id: "gpt-5" }, agent: "prepared" }
+        return { model: input.model, agent: "prepared" }
       },
     })
     expect(create).toHaveBeenCalledTimes(1)
     expect(order).toEqual(["prepare", "create"])
   })
 
-  test("requires an explicit agent and model for a fresh Session", async () => {
+  test("uses the agent resolved by the server for a fresh Session", async () => {
     const client = OpenCode.make({ baseUrl: "https://opencode.test" })
     spyOn(client.location, "get").mockResolvedValue(location("/project"))
-    const create = spyOn(client.session, "create")
+    spyOn(client.session, "create").mockResolvedValue({ ...session("ses_fresh", "/project"), agent: "review" })
 
-    await expect(resolveSessionTarget({ client, prepare })).rejects.toThrow(
-      "Creating a session requires an agent and model",
-    )
-    expect(create).not.toHaveBeenCalled()
+    const target = await resolveSessionTarget({ client, prepare })
+    expect(target.agent).toBe("review")
   })
 
   test("does not retry an ambiguous Session creation", async () => {

packages/client/src/effect/api/api.ts

@@ -120,61 +120,49 @@ export type SessionListOperation<E = never> = (input?: Endpoint5_0Input) => Effe
 export type Endpoint5_1Input = {
   readonly id?: Session.ID | undefined
   readonly title?: string | undefined
-  readonly agent: Agent.ID
-  readonly model: Model.Ref
+  readonly agent?: Agent.ID | undefined
+  readonly model?: Model.Ref | undefined
   readonly location?: Location.Ref | undefined
 }
 export type Endpoint5_1Output = Session.Info
-export type SessionCreateOperation<E = never> = (input: Endpoint5_1Input) => Effect.Effect<Endpoint5_1Output, E>
+export type SessionCreateOperation<E = never> = (input?: Endpoint5_1Input) => Effect.Effect<Endpoint5_1Output, E>
 
-export type Endpoint5_2Input = {
-  readonly info: Session.Info
-  readonly messages: ReadonlyArray<SessionMessage.Info>
-  readonly location?: Location.Ref | undefined
-}
-export type Endpoint5_2Output = Session.Info
-export type SessionImportOperation<E = never> = (input: Endpoint5_2Input) => Effect.Effect<Endpoint5_2Output, E>
+export type Endpoint5_2Output = { readonly [x: Session.ID]: { readonly type: "running" } }
+export type SessionActiveOperation<E = never> = () => Effect.Effect<Endpoint5_2Output, E>
 
-export type Endpoint5_3Input = { readonly sessionID: Session.ID; readonly sanitize?: boolean | undefined }
-export type Endpoint5_3Output = { readonly info: Session.Info; readonly messages: ReadonlyArray<SessionMessage.Info> }
-export type SessionExportOperation<E = never> = (input: Endpoint5_3Input) => Effect.Effect<Endpoint5_3Output, E>
+export type Endpoint5_3Input = { readonly sessionID: Session.ID }
+export type Endpoint5_3Output = Session.Info
+export type SessionGetOperation<E = never> = (input: Endpoint5_3Input) => Effect.Effect<Endpoint5_3Output, E>
 
-export type Endpoint5_4Output = { readonly [x: Session.ID]: { readonly type: "running" } }
-export type SessionActiveOperation<E = never> = () => Effect.Effect<Endpoint5_4Output, E>
+export type Endpoint5_4Input = { readonly sessionID: Session.ID }
+export type Endpoint5_4Output = void
+export type SessionRemoveOperation<E = never> = (input: Endpoint5_4Input) => Effect.Effect<Endpoint5_4Output, E>
 
-export type Endpoint5_5Input = { readonly sessionID: Session.ID }
+export type Endpoint5_5Input = { readonly sessionID: Session.ID; readonly boundary: Session.ForkRequestBoundary }
 export type Endpoint5_5Output = Session.Info
-export type SessionGetOperation<E = never> = (input: Endpoint5_5Input) => Effect.Effect<Endpoint5_5Output, E>
+export type SessionForkOperation<E = never> = (input: Endpoint5_5Input) => Effect.Effect<Endpoint5_5Output, E>
 
-export type Endpoint5_6Input = { readonly sessionID: Session.ID }
+export type Endpoint5_6Input = { readonly sessionID: Session.ID; readonly agent: Agent.ID }
 export type Endpoint5_6Output = void
-export type SessionRemoveOperation<E = never> = (input: Endpoint5_6Input) => Effect.Effect<Endpoint5_6Output, E>
+export type SessionSwitchAgentOperation<E = never> = (input: Endpoint5_6Input) => Effect.Effect<Endpoint5_6Output, E>
 
-export type Endpoint5_7Input = { readonly sessionID: Session.ID; readonly boundary: Session.ForkRequestBoundary }
-export type Endpoint5_7Output = Session.Info
-export type SessionForkOperation<E = never> = (input: Endpoint5_7Input) => Effect.Effect<Endpoint5_7Output, E>
+export type Endpoint5_7Input = { readonly sessionID: Session.ID; readonly model: Model.Ref }
+export type Endpoint5_7Output = void
+export type SessionSwitchModelOperation<E = never> = (input: Endpoint5_7Input) => Effect.Effect<Endpoint5_7Output, E>
 
-export type Endpoint5_8Input = { readonly sessionID: Session.ID; readonly agent: Agent.ID }
+export type Endpoint5_8Input = { readonly sessionID: Session.ID; readonly title: string }
 export type Endpoint5_8Output = void
-export type SessionSwitchAgentOperation<E = never> = (input: Endpoint5_8Input) => Effect.Effect<Endpoint5_8Output, E>
+export type SessionRenameOperation<E = never> = (input: Endpoint5_8Input) => Effect.Effect<Endpoint5_8Output, E>
 
-export type Endpoint5_9Input = { readonly sessionID: Session.ID; readonly model: Model.Ref }
-export type Endpoint5_9Output = void
-export type SessionSwitchModelOperation<E = never> = (input: Endpoint5_9Input) => Effect.Effect<Endpoint5_9Output, E>
-
-export type Endpoint5_10Input = { readonly sessionID: Session.ID; readonly title: string }
-export type Endpoint5_10Output = void
-export type SessionRenameOperation<E = never> = (input: Endpoint5_10Input) => Effect.Effect<Endpoint5_10Output, E>
-
-export type Endpoint5_11Input = {
+export type Endpoint5_9Input = {
   readonly sessionID: Session.ID
   readonly directory: AbsolutePath
   readonly workspaceID?: Workspace.ID | undefined
 }
-export type Endpoint5_11Output = void
-export type SessionMoveOperation<E = never> = (input: Endpoint5_11Input) => Effect.Effect<Endpoint5_11Output, E>
+export type Endpoint5_9Output = void
+export type SessionMoveOperation<E = never> = (input: Endpoint5_9Input) => Effect.Effect<Endpoint5_9Output, E>
 
-export type Endpoint5_12Input = {
+export type Endpoint5_10Input = {
   readonly sessionID: Session.ID
   readonly id?: SessionMessage.ID | undefined
   readonly text: string
@@ -184,10 +172,10 @@ export type Endpoint5_12Input = {
   readonly delivery?: "steer" | "queue" | undefined
   readonly resume?: boolean | undefined
 }
-export type Endpoint5_12Output = SessionPending.User
-export type SessionPromptOperation<E = never> = (input: Endpoint5_12Input) => Effect.Effect<Endpoint5_12Output, E>
+export type Endpoint5_10Output = SessionPending.User
+export type SessionPromptOperation<E = never> = (input: Endpoint5_10Input) => Effect.Effect<Endpoint5_10Output, E>
 
-export type Endpoint5_13Input = {
+export type Endpoint5_11Input = {
   readonly sessionID: Session.ID
   readonly id?: SessionMessage.ID | undefined
   readonly command: string
@@ -199,19 +187,19 @@ export type Endpoint5_13Input = {
   readonly delivery?: "steer" | "queue" | undefined
   readonly resume?: boolean | undefined
 }
-export type Endpoint5_13Output = SessionPending.User
-export type SessionCommandOperation<E = never> = (input: Endpoint5_13Input) => Effect.Effect<Endpoint5_13Output, E>
+export type Endpoint5_11Output = SessionPending.User
+export type SessionCommandOperation<E = never> = (input: Endpoint5_11Input) => Effect.Effect<Endpoint5_11Output, E>
 
-export type Endpoint5_14Input = {
+export type Endpoint5_12Input = {
   readonly sessionID: Session.ID
   readonly id?: SessionMessage.ID | undefined
   readonly skill: Skill.ID
   readonly resume?: boolean | undefined
 }
-export type Endpoint5_14Output = void
-export type SessionSkillOperation<E = never> = (input: Endpoint5_14Input) => Effect.Effect<Endpoint5_14Output, E>
+export type Endpoint5_12Output = void
+export type SessionSkillOperation<E = never> = (input: Endpoint5_12Input) => Effect.Effect<Endpoint5_12Output, E>
 
-export type Endpoint5_15Input = {
+export type Endpoint5_13Input = {
   readonly sessionID: Session.ID
   readonly id?: SessionMessage.ID | undefined
   readonly text: string
@@ -220,81 +208,81 @@ export type Endpoint5_15Input = {
   readonly delivery?: "steer" | "queue" | undefined
   readonly resume?: boolean | undefined
 }
-export type Endpoint5_15Output = SessionPending.Synthetic
-export type SessionSyntheticOperation<E = never> = (input: Endpoint5_15Input) => Effect.Effect<Endpoint5_15Output, E>
+export type Endpoint5_13Output = SessionPending.Synthetic
+export type SessionSyntheticOperation<E = never> = (input: Endpoint5_13Input) => Effect.Effect<Endpoint5_13Output, E>
 
-export type Endpoint5_16Input = {
+export type Endpoint5_14Input = {
   readonly sessionID: Session.ID
   readonly id?: Event.ID | undefined
   readonly command: string
 }
+export type Endpoint5_14Output = void
+export type SessionShellOperation<E = never> = (input: Endpoint5_14Input) => Effect.Effect<Endpoint5_14Output, E>
+
+export type Endpoint5_15Input = { readonly sessionID: Session.ID; readonly id?: SessionMessage.ID | undefined }
+export type Endpoint5_15Output = SessionPending.Compaction
+export type SessionCompactOperation<E = never> = (input: Endpoint5_15Input) => Effect.Effect<Endpoint5_15Output, E>
+
+export type Endpoint5_16Input = { readonly sessionID: Session.ID }
 export type Endpoint5_16Output = void
-export type SessionShellOperation<E = never> = (input: Endpoint5_16Input) => Effect.Effect<Endpoint5_16Output, E>
+export type SessionWaitOperation<E = never> = (input: Endpoint5_16Input) => Effect.Effect<Endpoint5_16Output, E>
 
-export type Endpoint5_17Input = { readonly sessionID: Session.ID; readonly id?: SessionMessage.ID | undefined }
-export type Endpoint5_17Output = SessionPending.Compaction
-export type SessionCompactOperation<E = never> = (input: Endpoint5_17Input) => Effect.Effect<Endpoint5_17Output, E>
-
-export type Endpoint5_18Input = { readonly sessionID: Session.ID }
-export type Endpoint5_18Output = void
-export type SessionWaitOperation<E = never> = (input: Endpoint5_18Input) => Effect.Effect<Endpoint5_18Output, E>
-
-export type Endpoint5_19Input = {
+export type Endpoint5_17Input = {
   readonly sessionID: Session.ID
   readonly messageID: SessionMessage.ID
   readonly files?: boolean | undefined
 }
-export type Endpoint5_19Output = Session.Revert
-export type SessionRevertStageOperation<E = never> = (input: Endpoint5_19Input) => Effect.Effect<Endpoint5_19Output, E>
+export type Endpoint5_17Output = Session.Revert
+export type SessionRevertStageOperation<E = never> = (input: Endpoint5_17Input) => Effect.Effect<Endpoint5_17Output, E>
+
+export type Endpoint5_18Input = { readonly sessionID: Session.ID }
+export type Endpoint5_18Output = void
+export type SessionRevertClearOperation<E = never> = (input: Endpoint5_18Input) => Effect.Effect<Endpoint5_18Output, E>
+
+export type Endpoint5_19Input = { readonly sessionID: Session.ID }
+export type Endpoint5_19Output = void
+export type SessionRevertCommitOperation<E = never> = (input: Endpoint5_19Input) => Effect.Effect<Endpoint5_19Output, E>
 
 export type Endpoint5_20Input = { readonly sessionID: Session.ID }
-export type Endpoint5_20Output = void
-export type SessionRevertClearOperation<E = never> = (input: Endpoint5_20Input) => Effect.Effect<Endpoint5_20Output, E>
+export type Endpoint5_20Output = ReadonlyArray<SessionMessage.Info>
+export type SessionContextOperation<E = never> = (input: Endpoint5_20Input) => Effect.Effect<Endpoint5_20Output, E>
 
 export type Endpoint5_21Input = { readonly sessionID: Session.ID }
-export type Endpoint5_21Output = void
-export type SessionRevertCommitOperation<E = never> = (input: Endpoint5_21Input) => Effect.Effect<Endpoint5_21Output, E>
+export type Endpoint5_21Output = ReadonlyArray<SessionPending.Info>
+export type SessionPendingListOperation<E = never> = (input: Endpoint5_21Input) => Effect.Effect<Endpoint5_21Output, E>
 
 export type Endpoint5_22Input = { readonly sessionID: Session.ID }
-export type Endpoint5_22Output = ReadonlyArray<SessionMessage.Info>
-export type SessionContextOperation<E = never> = (input: Endpoint5_22Input) => Effect.Effect<Endpoint5_22Output, E>
-
-export type Endpoint5_23Input = { readonly sessionID: Session.ID }
-export type Endpoint5_23Output = ReadonlyArray<SessionPending.Info>
-export type SessionPendingListOperation<E = never> = (input: Endpoint5_23Input) => Effect.Effect<Endpoint5_23Output, E>
-
-export type Endpoint5_24Input = { readonly sessionID: Session.ID }
-export type Endpoint5_24Output = ReadonlyArray<InstructionEntry.Info>
+export type Endpoint5_22Output = ReadonlyArray<InstructionEntry.Info>
 export type SessionInstructionsEntryListOperation<E = never> = (
-  input: Endpoint5_24Input,
-) => Effect.Effect<Endpoint5_24Output, E>
+  input: Endpoint5_22Input,
+) => Effect.Effect<Endpoint5_22Output, E>
 
-export type Endpoint5_25Input = {
+export type Endpoint5_23Input = {
   readonly sessionID: Session.ID
   readonly key: InstructionEntry.Key
   readonly value: Schema.Json
 }
-export type Endpoint5_25Output = void
+export type Endpoint5_23Output = void
 export type SessionInstructionsEntryPutOperation<E = never> = (
-  input: Endpoint5_25Input,
-) => Effect.Effect<Endpoint5_25Output, E>
+  input: Endpoint5_23Input,
+) => Effect.Effect<Endpoint5_23Output, E>
 
-export type Endpoint5_26Input = { readonly sessionID: Session.ID; readonly key: InstructionEntry.Key }
-export type Endpoint5_26Output = void
+export type Endpoint5_24Input = { readonly sessionID: Session.ID; readonly key: InstructionEntry.Key }
+export type Endpoint5_24Output = void
 export type SessionInstructionsEntryRemoveOperation<E = never> = (
-  input: Endpoint5_26Input,
-) => Effect.Effect<Endpoint5_26Output, E>
+  input: Endpoint5_24Input,
+) => Effect.Effect<Endpoint5_24Output, E>
 
-export type Endpoint5_27Input = { readonly sessionID: Session.ID; readonly prompt: string }
-export type Endpoint5_27Output = { readonly text: string }
-export type SessionGenerateOperation<E = never> = (input: Endpoint5_27Input) => Effect.Effect<Endpoint5_27Output, E>
+export type Endpoint5_25Input = { readonly sessionID: Session.ID; readonly prompt: string }
+export type Endpoint5_25Output = { readonly text: string }
+export type SessionGenerateOperation<E = never> = (input: Endpoint5_25Input) => Effect.Effect<Endpoint5_25Output, E>
 
-export type Endpoint5_28Input = {
+export type Endpoint5_26Input = {
   readonly sessionID: Session.ID
   readonly after?: Event.Seq | undefined
   readonly follow?: boolean | undefined
 }
-export type Endpoint5_28Output =
+export type Endpoint5_26Output =
   | (
       | {
           readonly id: Event.ID
@@ -862,25 +850,23 @@ export type Endpoint5_28Output =
         }
     )
   | EventLog.Synced
-export type SessionLogOperation<E = never> = (input: Endpoint5_28Input) => Stream.Stream<Endpoint5_28Output, E>
+export type SessionLogOperation<E = never> = (input: Endpoint5_26Input) => Stream.Stream<Endpoint5_26Output, E>
 
-export type Endpoint5_29Input = { readonly sessionID: Session.ID }
-export type Endpoint5_29Output = void
-export type SessionInterruptOperation<E = never> = (input: Endpoint5_29Input) => Effect.Effect<Endpoint5_29Output, E>
+export type Endpoint5_27Input = { readonly sessionID: Session.ID }
+export type Endpoint5_27Output = void
+export type SessionInterruptOperation<E = never> = (input: Endpoint5_27Input) => Effect.Effect<Endpoint5_27Output, E>
 
-export type Endpoint5_30Input = { readonly sessionID: Session.ID }
-export type Endpoint5_30Output = void
-export type SessionBackgroundOperation<E = never> = (input: Endpoint5_30Input) => Effect.Effect<Endpoint5_30Output, E>
+export type Endpoint5_28Input = { readonly sessionID: Session.ID }
+export type Endpoint5_28Output = void
+export type SessionBackgroundOperation<E = never> = (input: Endpoint5_28Input) => Effect.Effect<Endpoint5_28Output, E>
 
-export type Endpoint5_31Input = { readonly sessionID: Session.ID; readonly messageID: SessionMessage.ID }
-export type Endpoint5_31Output = SessionMessage.Info
-export type SessionMessageOperation<E = never> = (input: Endpoint5_31Input) => Effect.Effect<Endpoint5_31Output, E>
+export type Endpoint5_29Input = { readonly sessionID: Session.ID; readonly messageID: SessionMessage.ID }
+export type Endpoint5_29Output = SessionMessage.Info
+export type SessionMessageOperation<E = never> = (input: Endpoint5_29Input) => Effect.Effect<Endpoint5_29Output, E>
 
 export interface SessionApi<E = never> {
   readonly list: SessionListOperation<E>
   readonly create: SessionCreateOperation<E>
-  readonly import: SessionImportOperation<E>
-  readonly export: SessionExportOperation<E>
   readonly active: SessionActiveOperation<E>
   readonly get: SessionGetOperation<E>
   readonly remove: SessionRemoveOperation<E>

packages/client/src/effect/generated/client.ts

@@ -21,10 +21,10 @@ import type {
   Endpoint5_0Output,
   Endpoint5_1Input,
   Endpoint5_1Output,
-  Endpoint5_2Input,
   Endpoint5_2Output,
   Endpoint5_3Input,
   Endpoint5_3Output,
+  Endpoint5_4Input,
   Endpoint5_4Output,
   Endpoint5_5Input,
   Endpoint5_5Output,
@@ -76,10 +76,6 @@ import type {
   Endpoint5_28Output,
   Endpoint5_29Input,
   Endpoint5_29Output,
-  Endpoint5_30Input,
-  Endpoint5_30Output,
-  Endpoint5_31Input,
-  Endpoint5_31Output,
   Endpoint6_0Input,
   Endpoint6_0Output,
   Endpoint7_0Input,
@@ -305,15 +301,15 @@ const Endpoint5_0 = (raw: RawClient["server.session"]) => (input?: Endpoint5_0In
     }).pipe(Effect.mapError(mapClientError)),
   )
 
-const Endpoint5_1 = (raw: RawClient["server.session"]) => (input: Endpoint5_1Input) =>
+const Endpoint5_1 = (raw: RawClient["server.session"]) => (input?: Endpoint5_1Input) =>
   preserveEffect<Endpoint5_1Output>()(
     raw["session.create"]({
       payload: {
-        id: input["id"],
-        title: input["title"],
-        agent: input["agent"],
-        model: input["model"],
-        location: input["location"],
+        id: input?.["id"],
+        title: input?.["title"],
+        agent: input?.["agent"],
+        model: input?.["model"],
+        location: input?.["location"],
       },
     }).pipe(
       Effect.mapError(mapClientError),
@@ -321,11 +317,9 @@ const Endpoint5_1 = (raw: RawClient["server.session"]) => (input: Endpoint5_1Inp
     ),
   )
 
-const Endpoint5_2 = (raw: RawClient["server.session"]) => (input: Endpoint5_2Input) =>
+const Endpoint5_2 = (raw: RawClient["server.session"]) => () =>
   preserveEffect<Endpoint5_2Output>()(
-    raw["session.import"]({
-      payload: { info: input["info"], messages: input["messages"], location: input["location"] },
-    }).pipe(
+    raw["session.active"]({}).pipe(
       Effect.mapError(mapClientError),
       Effect.map((value) => value.data),
     ),
@@ -333,23 +327,20 @@ const Endpoint5_2 = (raw: RawClient["server.session"]) => (input: Endpoint5_2Inp
 
 const Endpoint5_3 = (raw: RawClient["server.session"]) => (input: Endpoint5_3Input) =>
   preserveEffect<Endpoint5_3Output>()(
-    raw["session.export"]({ params: { sessionID: input["sessionID"] }, query: { sanitize: input["sanitize"] } }).pipe(
+    raw["session.get"]({ params: { sessionID: input["sessionID"] } }).pipe(
       Effect.mapError(mapClientError),
       Effect.map((value) => value.data),
     ),
   )
 
-const Endpoint5_4 = (raw: RawClient["server.session"]) => () =>
+const Endpoint5_4 = (raw: RawClient["server.session"]) => (input: Endpoint5_4Input) =>
   preserveEffect<Endpoint5_4Output>()(
-    raw["session.active"]({}).pipe(
-      Effect.mapError(mapClientError),
-      Effect.map((value) => value.data),
-    ),
+    raw["session.remove"]({ params: { sessionID: input["sessionID"] } }).pipe(Effect.mapError(mapClientError)),
   )
 
 const Endpoint5_5 = (raw: RawClient["server.session"]) => (input: Endpoint5_5Input) =>
   preserveEffect<Endpoint5_5Output>()(
-    raw["session.get"]({ params: { sessionID: input["sessionID"] } }).pipe(
+    raw["session.fork"]({ params: { sessionID: input["sessionID"] }, payload: { boundary: input["boundary"] } }).pipe(
       Effect.mapError(mapClientError),
       Effect.map((value) => value.data),
     ),
@@ -357,48 +348,35 @@ const Endpoint5_5 = (raw: RawClient["server.session"]) => (input: Endpoint5_5Inp
 
 const Endpoint5_6 = (raw: RawClient["server.session"]) => (input: Endpoint5_6Input) =>
   preserveEffect<Endpoint5_6Output>()(
-    raw["session.remove"]({ params: { sessionID: input["sessionID"] } }).pipe(Effect.mapError(mapClientError)),
+    raw["session.switchAgent"]({ params: { sessionID: input["sessionID"] }, payload: { agent: input["agent"] } }).pipe(
+      Effect.mapError(mapClientError),
+    ),
   )
 
 const Endpoint5_7 = (raw: RawClient["server.session"]) => (input: Endpoint5_7Input) =>
   preserveEffect<Endpoint5_7Output>()(
-    raw["session.fork"]({ params: { sessionID: input["sessionID"] }, payload: { boundary: input["boundary"] } }).pipe(
+    raw["session.switchModel"]({ params: { sessionID: input["sessionID"] }, payload: { model: input["model"] } }).pipe(
       Effect.mapError(mapClientError),
-      Effect.map((value) => value.data),
     ),
   )
 
 const Endpoint5_8 = (raw: RawClient["server.session"]) => (input: Endpoint5_8Input) =>
   preserveEffect<Endpoint5_8Output>()(
-    raw["session.switchAgent"]({ params: { sessionID: input["sessionID"] }, payload: { agent: input["agent"] } }).pipe(
+    raw["session.rename"]({ params: { sessionID: input["sessionID"] }, payload: { title: input["title"] } }).pipe(
       Effect.mapError(mapClientError),
     ),
   )
 
 const Endpoint5_9 = (raw: RawClient["server.session"]) => (input: Endpoint5_9Input) =>
   preserveEffect<Endpoint5_9Output>()(
-    raw["session.switchModel"]({ params: { sessionID: input["sessionID"] }, payload: { model: input["model"] } }).pipe(
-      Effect.mapError(mapClientError),
-    ),
-  )
-
-const Endpoint5_10 = (raw: RawClient["server.session"]) => (input: Endpoint5_10Input) =>
-  preserveEffect<Endpoint5_10Output>()(
-    raw["session.rename"]({ params: { sessionID: input["sessionID"] }, payload: { title: input["title"] } }).pipe(
-      Effect.mapError(mapClientError),
-    ),
-  )
-
-const Endpoint5_11 = (raw: RawClient["server.session"]) => (input: Endpoint5_11Input) =>
-  preserveEffect<Endpoint5_11Output>()(
     raw["session.move"]({
       params: { sessionID: input["sessionID"] },
       payload: { directory: input["directory"], workspaceID: input["workspaceID"] },
     }).pipe(Effect.mapError(mapClientError)),
   )
 
-const Endpoint5_12 = (raw: RawClient["server.session"]) => (input: Endpoint5_12Input) =>
-  preserveEffect<Endpoint5_12Output>()(
+const Endpoint5_10 = (raw: RawClient["server.session"]) => (input: Endpoint5_10Input) =>
+  preserveEffect<Endpoint5_10Output>()(
     raw["session.prompt"]({
       params: { sessionID: input["sessionID"] },
       payload: {
@@ -416,8 +394,8 @@ const Endpoint5_12 = (raw: RawClient["server.session"]) => (input: Endpoint5_12I
     ),
   )
 
-const Endpoint5_13 = (raw: RawClient["server.session"]) => (input: Endpoint5_13Input) =>
-  preserveEffect<Endpoint5_13Output>()(
+const Endpoint5_11 = (raw: RawClient["server.session"]) => (input: Endpoint5_11Input) =>
+  preserveEffect<Endpoint5_11Output>()(
     raw["session.command"]({
       params: { sessionID: input["sessionID"] },
       payload: {
@@ -437,16 +415,16 @@ const Endpoint5_13 = (raw: RawClient["server.session"]) => (input: Endpoint5_13I
     ),
   )
 
-const Endpoint5_14 = (raw: RawClient["server.session"]) => (input: Endpoint5_14Input) =>
-  preserveEffect<Endpoint5_14Output>()(
+const Endpoint5_12 = (raw: RawClient["server.session"]) => (input: Endpoint5_12Input) =>
+  preserveEffect<Endpoint5_12Output>()(
     raw["session.skill"]({
       params: { sessionID: input["sessionID"] },
       payload: { id: input["id"], skill: input["skill"], resume: input["resume"] },
     }).pipe(Effect.mapError(mapClientError)),
   )
 
-const Endpoint5_15 = (raw: RawClient["server.session"]) => (input: Endpoint5_15Input) =>
-  preserveEffect<Endpoint5_15Output>()(
+const Endpoint5_13 = (raw: RawClient["server.session"]) => (input: Endpoint5_13Input) =>
+  preserveEffect<Endpoint5_13Output>()(
     raw["session.synthetic"]({
       params: { sessionID: input["sessionID"] },
       payload: {
@@ -463,29 +441,29 @@ const Endpoint5_15 = (raw: RawClient["server.session"]) => (input: Endpoint5_15I
     ),
   )
 
-const Endpoint5_16 = (raw: RawClient["server.session"]) => (input: Endpoint5_16Input) =>
-  preserveEffect<Endpoint5_16Output>()(
+const Endpoint5_14 = (raw: RawClient["server.session"]) => (input: Endpoint5_14Input) =>
+  preserveEffect<Endpoint5_14Output>()(
     raw["session.shell"]({
       params: { sessionID: input["sessionID"] },
       payload: { id: input["id"], command: input["command"] },
     }).pipe(Effect.mapError(mapClientError)),
   )
 
-const Endpoint5_17 = (raw: RawClient["server.session"]) => (input: Endpoint5_17Input) =>
-  preserveEffect<Endpoint5_17Output>()(
+const Endpoint5_15 = (raw: RawClient["server.session"]) => (input: Endpoint5_15Input) =>
+  preserveEffect<Endpoint5_15Output>()(
     raw["session.compact"]({ params: { sessionID: input["sessionID"] }, payload: { id: input["id"] } }).pipe(
       Effect.mapError(mapClientError),
       Effect.map((value) => value.data),
     ),
   )
 
-const Endpoint5_18 = (raw: RawClient["server.session"]) => (input: Endpoint5_18Input) =>
-  preserveEffect<Endpoint5_18Output>()(
+const Endpoint5_16 = (raw: RawClient["server.session"]) => (input: Endpoint5_16Input) =>
+  preserveEffect<Endpoint5_16Output>()(
     raw["session.wait"]({ params: { sessionID: input["sessionID"] } }).pipe(Effect.mapError(mapClientError)),
   )
 
-const Endpoint5_19 = (raw: RawClient["server.session"]) => (input: Endpoint5_19Input) =>
-  preserveEffect<Endpoint5_19Output>()(
+const Endpoint5_17 = (raw: RawClient["server.session"]) => (input: Endpoint5_17Input) =>
+  preserveEffect<Endpoint5_17Output>()(
     raw["session.revert.stage"]({
       params: { sessionID: input["sessionID"] },
       payload: { messageID: input["messageID"], files: input["files"] },
@@ -495,19 +473,35 @@ const Endpoint5_19 = (raw: RawClient["server.session"]) => (input: Endpoint5_19I
     ),
   )
 
+const Endpoint5_18 = (raw: RawClient["server.session"]) => (input: Endpoint5_18Input) =>
+  preserveEffect<Endpoint5_18Output>()(
+    raw["session.revert.clear"]({ params: { sessionID: input["sessionID"] } }).pipe(Effect.mapError(mapClientError)),
+  )
+
+const Endpoint5_19 = (raw: RawClient["server.session"]) => (input: Endpoint5_19Input) =>
+  preserveEffect<Endpoint5_19Output>()(
+    raw["session.revert.commit"]({ params: { sessionID: input["sessionID"] } }).pipe(Effect.mapError(mapClientError)),
+  )
+
 const Endpoint5_20 = (raw: RawClient["server.session"]) => (input: Endpoint5_20Input) =>
   preserveEffect<Endpoint5_20Output>()(
-    raw["session.revert.clear"]({ params: { sessionID: input["sessionID"] } }).pipe(Effect.mapError(mapClientError)),
+    raw["session.context"]({ params: { sessionID: input["sessionID"] } }).pipe(
+      Effect.mapError(mapClientError),
+      Effect.map((value) => value.data),
+    ),
   )
 
 const Endpoint5_21 = (raw: RawClient["server.session"]) => (input: Endpoint5_21Input) =>
   preserveEffect<Endpoint5_21Output>()(
-    raw["session.revert.commit"]({ params: { sessionID: input["sessionID"] } }).pipe(Effect.mapError(mapClientError)),
+    raw["session.pending.list"]({ params: { sessionID: input["sessionID"] } }).pipe(
+      Effect.mapError(mapClientError),
+      Effect.map((value) => value.data),
+    ),
   )
 
 const Endpoint5_22 = (raw: RawClient["server.session"]) => (input: Endpoint5_22Input) =>
   preserveEffect<Endpoint5_22Output>()(
-    raw["session.context"]({ params: { sessionID: input["sessionID"] } }).pipe(
+    raw["session.instructions.entry.list"]({ params: { sessionID: input["sessionID"] } }).pipe(
       Effect.mapError(mapClientError),
       Effect.map((value) => value.data),
     ),
@@ -515,45 +509,29 @@ const Endpoint5_22 = (raw: RawClient["server.session"]) => (input: Endpoint5_22I
 
 const Endpoint5_23 = (raw: RawClient["server.session"]) => (input: Endpoint5_23Input) =>
   preserveEffect<Endpoint5_23Output>()(
-    raw["session.pending.list"]({ params: { sessionID: input["sessionID"] } }).pipe(
-      Effect.mapError(mapClientError),
-      Effect.map((value) => value.data),
-    ),
-  )
-
-const Endpoint5_24 = (raw: RawClient["server.session"]) => (input: Endpoint5_24Input) =>
-  preserveEffect<Endpoint5_24Output>()(
-    raw["session.instructions.entry.list"]({ params: { sessionID: input["sessionID"] } }).pipe(
-      Effect.mapError(mapClientError),
-      Effect.map((value) => value.data),
-    ),
-  )
-
-const Endpoint5_25 = (raw: RawClient["server.session"]) => (input: Endpoint5_25Input) =>
-  preserveEffect<Endpoint5_25Output>()(
     raw["session.instructions.entry.put"]({
       params: { sessionID: input["sessionID"], key: input["key"] },
       payload: { value: input["value"] },
     }).pipe(Effect.mapError(mapClientError)),
   )
 
-const Endpoint5_26 = (raw: RawClient["server.session"]) => (input: Endpoint5_26Input) =>
-  preserveEffect<Endpoint5_26Output>()(
+const Endpoint5_24 = (raw: RawClient["server.session"]) => (input: Endpoint5_24Input) =>
+  preserveEffect<Endpoint5_24Output>()(
     raw["session.instructions.entry.remove"]({ params: { sessionID: input["sessionID"], key: input["key"] } }).pipe(
       Effect.mapError(mapClientError),
     ),
   )
 
-const Endpoint5_27 = (raw: RawClient["server.session"]) => (input: Endpoint5_27Input) =>
-  preserveEffect<Endpoint5_27Output>()(
+const Endpoint5_25 = (raw: RawClient["server.session"]) => (input: Endpoint5_25Input) =>
+  preserveEffect<Endpoint5_25Output>()(
     raw["session.generate"]({ params: { sessionID: input["sessionID"] }, payload: { prompt: input["prompt"] } }).pipe(
       Effect.mapError(mapClientError),
       Effect.map((value) => value.data),
     ),
   )
 
-const Endpoint5_28 = (raw: RawClient["server.session"]) => (input: Endpoint5_28Input) =>
-  preserveStream<Endpoint5_28Output>()(
+const Endpoint5_26 = (raw: RawClient["server.session"]) => (input: Endpoint5_26Input) =>
+  preserveStream<Endpoint5_26Output>()(
     Stream.unwrap(
       raw["session.log"]({
         params: { sessionID: input["sessionID"] },
@@ -565,18 +543,18 @@ const Endpoint5_28 = (raw: RawClient["server.session"]) => (input: Endpoint5_28I
     ),
   )
 
-const Endpoint5_29 = (raw: RawClient["server.session"]) => (input: Endpoint5_29Input) =>
-  preserveEffect<Endpoint5_29Output>()(
+const Endpoint5_27 = (raw: RawClient["server.session"]) => (input: Endpoint5_27Input) =>
+  preserveEffect<Endpoint5_27Output>()(
     raw["session.interrupt"]({ params: { sessionID: input["sessionID"] } }).pipe(Effect.mapError(mapClientError)),
   )
 
-const Endpoint5_30 = (raw: RawClient["server.session"]) => (input: Endpoint5_30Input) =>
-  preserveEffect<Endpoint5_30Output>()(
+const Endpoint5_28 = (raw: RawClient["server.session"]) => (input: Endpoint5_28Input) =>
+  preserveEffect<Endpoint5_28Output>()(
     raw["session.background"]({ params: { sessionID: input["sessionID"] } }).pipe(Effect.mapError(mapClientError)),
   )
 
-const Endpoint5_31 = (raw: RawClient["server.session"]) => (input: Endpoint5_31Input) =>
-  preserveEffect<Endpoint5_31Output>()(
+const Endpoint5_29 = (raw: RawClient["server.session"]) => (input: Endpoint5_29Input) =>
+  preserveEffect<Endpoint5_29Output>()(
     raw["session.message"]({ params: { sessionID: input["sessionID"], messageID: input["messageID"] } }).pipe(
       Effect.mapError(mapClientError),
       Effect.map((value) => value.data),
@@ -586,32 +564,30 @@ const Endpoint5_31 = (raw: RawClient["server.session"]) => (input: Endpoint5_31I
 const adaptGroup5 = (raw: RawClient["server.session"]) => ({
   list: Endpoint5_0(raw),
   create: Endpoint5_1(raw),
-  import: Endpoint5_2(raw),
-  export: Endpoint5_3(raw),
-  active: Endpoint5_4(raw),
-  get: Endpoint5_5(raw),
-  remove: Endpoint5_6(raw),
-  fork: Endpoint5_7(raw),
-  switchAgent: Endpoint5_8(raw),
-  switchModel: Endpoint5_9(raw),
-  rename: Endpoint5_10(raw),
-  move: Endpoint5_11(raw),
-  prompt: Endpoint5_12(raw),
-  command: Endpoint5_13(raw),
-  skill: Endpoint5_14(raw),
-  synthetic: Endpoint5_15(raw),
-  shell: Endpoint5_16(raw),
-  compact: Endpoint5_17(raw),
-  wait: Endpoint5_18(raw),
-  revert: { stage: Endpoint5_19(raw), clear: Endpoint5_20(raw), commit: Endpoint5_21(raw) },
-  context: Endpoint5_22(raw),
-  pending: { list: Endpoint5_23(raw) },
-  instructions: { entry: { list: Endpoint5_24(raw), put: Endpoint5_25(raw), remove: Endpoint5_26(raw) } },
-  generate: Endpoint5_27(raw),
-  log: Endpoint5_28(raw),
-  interrupt: Endpoint5_29(raw),
-  background: Endpoint5_30(raw),
-  message: Endpoint5_31(raw),
+  active: Endpoint5_2(raw),
+  get: Endpoint5_3(raw),
+  remove: Endpoint5_4(raw),
+  fork: Endpoint5_5(raw),
+  switchAgent: Endpoint5_6(raw),
+  switchModel: Endpoint5_7(raw),
+  rename: Endpoint5_8(raw),
+  move: Endpoint5_9(raw),
+  prompt: Endpoint5_10(raw),
+  command: Endpoint5_11(raw),
+  skill: Endpoint5_12(raw),
+  synthetic: Endpoint5_13(raw),
+  shell: Endpoint5_14(raw),
+  compact: Endpoint5_15(raw),
+  wait: Endpoint5_16(raw),
+  revert: { stage: Endpoint5_17(raw), clear: Endpoint5_18(raw), commit: Endpoint5_19(raw) },
+  context: Endpoint5_20(raw),
+  pending: { list: Endpoint5_21(raw) },
+  instructions: { entry: { list: Endpoint5_22(raw), put: Endpoint5_23(raw), remove: Endpoint5_24(raw) } },
+  generate: Endpoint5_25(raw),
+  log: Endpoint5_26(raw),
+  interrupt: Endpoint5_27(raw),
+  background: Endpoint5_28(raw),
+  message: Endpoint5_29(raw),
 })
 
 const Endpoint6_0 = (raw: RawClient["server.message"]) => (input: Endpoint6_0Input) =>

packages/client/src/promise/generated/client.ts

@@ -15,10 +15,6 @@ import type {
   SessionListOutput,
   SessionCreateInput,
   SessionCreateOutput,
-  SessionImportInput,
-  SessionImportOutput,
-  SessionExportInput,
-  SessionExportOutput,
   SessionActiveOutput,
   SessionGetInput,
   SessionGetOutput,
@@ -464,17 +460,17 @@ export function make(options: ClientOptions) {
           },
           requestOptions,
         ),
-      create: (input: SessionCreateInput, requestOptions?: RequestOptions) =>
+      create: (input?: SessionCreateInput, requestOptions?: RequestOptions) =>
         request<{ readonly data: SessionCreateOutput }>(
           {
             method: "POST",
             path: `/api/session`,
             body: {
-              id: input["id"],
-              title: input["title"],
-              agent: input["agent"],
-              model: input["model"],
-              location: input["location"],
+              id: input?.["id"],
+              title: input?.["title"],
+              agent: input?.["agent"],
+              model: input?.["model"],
+              location: input?.["location"],
             },
             successStatus: 200,
             declaredStatuses: [401, 400],
@@ -482,30 +478,6 @@ export function make(options: ClientOptions) {
           },
           requestOptions,
         ).then((value) => value.data),
-      import: (input: SessionImportInput, requestOptions?: RequestOptions) =>
-        request<{ readonly data: SessionImportOutput }>(
-          {
-            method: "POST",
-            path: `/api/session/import`,
-            body: { info: input["info"], messages: input["messages"], location: input["location"] },
-            successStatus: 200,
-            declaredStatuses: [409, 401, 400],
-            empty: false,
-          },
-          requestOptions,
-        ).then((value) => value.data),
-      export: (input: SessionExportInput, requestOptions?: RequestOptions) =>
-        request<{ readonly data: SessionExportOutput }>(
-          {
-            method: "GET",
-            path: `/api/session/${encodeURIComponent(input.sessionID)}/export`,
-            query: { sanitize: input["sanitize"] },
-            successStatus: 200,
-            declaredStatuses: [404, 500, 401, 400],
-            empty: false,
-          },
-          requestOptions,
-        ).then((value) => value.data),
       active: (requestOptions?: RequestOptions) =>
         request<{ readonly data: SessionActiveOutput }>(
           {

packages/client/test/effect.test.ts

@@ -181,8 +181,6 @@ test("session methods retain decoded Effect inputs and outputs", async () => {
     const page = yield* client.session.list({ limit: 10 })
     const active = yield* client.session.active()
     const created = yield* client.session.create({
-      agent: Agent.ID.make("build"),
-      model: Model.Ref.make({ id: "claude", providerID: "anthropic" }),
       location: Location.Ref.make({ directory: AbsolutePath.make("/tmp/project") }),
     })
     yield* client.session.switchAgent({ sessionID: Session.ID.make("ses_test"), agent: Agent.ID.make("build") })

packages/client/test/promise.test.ts

@@ -454,11 +454,7 @@ test("session methods use the public HTTP contract", async () => {
 
   const page = await client.session.list({ limit: 10, order: "desc", parentID: null })
   const active = await client.session.active()
-  const created = await client.session.create({
-    agent: "build",
-    model: { id: "claude", providerID: "anthropic" },
-    location: { directory: "/tmp/project" },
-  })
+  const created = await client.session.create({ location: { directory: "/tmp/project" } })
   await client.session.switchAgent({ sessionID: "ses_test", agent: "build" })
   await client.session.switchModel({
     sessionID: "ses_test",
@@ -532,7 +528,7 @@ test("middleware errors remain declared client errors", async () => {
   })
 
   try {
-    await client.session.create({ agent: "build", model: { id: "claude", providerID: "anthropic" } })
+    await client.session.create({})
     throw new Error("Expected request to fail")
   } catch (error) {
     expect(isUnauthorizedError(error)).toBe(true)

packages/core/package.json

@@ -11,7 +11,7 @@
     "fix-node-pty": "bun run script/fix-node-pty.ts",
     "benchmark:location": "bun run script/benchmark-location.ts",
     "test": "bun test --only-failures",
-    "typecheck": "tsgo --noEmit"
+    "typecheck": "tsgo -b tsconfig.json tsconfig.tests.json"
   },
   "bin": {
     "opencode": "./bin/opencode"

packages/core/script/migration.ts

@@ -132,14 +132,16 @@ function renderMigration(name: string, sql: string) {
   return `import { Effect } from "effect"
 import type { DatabaseMigration } from "../migration"
 
-export default {
+const migration: DatabaseMigration.Migration = {
   id: ${JSON.stringify(name)},
   up(tx) {
     return Effect.gen(function* () {
 ${renderStatements(sql)}
     })
   },
-} satisfies DatabaseMigration.Migration
+}
+
+export default migration
 `
 }
 
@@ -147,13 +149,15 @@ function renderSchema(sql: string) {
   return `import { Effect } from "effect"
 import type { DatabaseMigration } from "./migration"
 
-export default {
+const schema: Omit<DatabaseMigration.Migration, "id"> = {
   up(tx) {
     return Effect.gen(function* () {
 ${renderStatements(sql)}
     })
   },
-} satisfies Omit<DatabaseMigration.Migration, "id">
+}
+
+export default schema
 `
 }
 
@@ -191,10 +195,10 @@ async function formatTypescript(input: string) {
 function renderRegistry(names: string[]) {
   return `import type { DatabaseMigration } from "./migration"
 
-export const migrations = (
+export const migrations: DatabaseMigration.Migration[] = (
   await Promise.all([
 ${names.map((name) => `    import("./migration/${name}"),`).join("\n")}
   ])
-).map((module) => module.default) satisfies DatabaseMigration.Migration[]
+).map((module) => module.default)
 `
 }

packages/core/src/config.ts

@@ -24,7 +24,8 @@ import { Global } from "@opencode-ai/util/global"
 import { Location } from "./location"
 import { AbsolutePath } from "./schema"
 import { ConfigVariable } from "./config/variable"
-import { ConfigNormalize } from "./config/normalize"
+import { ConfigV1 } from "./v1/config/config"
+import { ConfigMigrateV1 } from "./v1/config/migrate"
 import { WellKnown } from "./wellknown"
 
 export function latest<K extends keyof Info>(entries: readonly Entry[], key: K): Info[K] | undefined {
@@ -92,43 +93,24 @@ export const layer = (options?: Options) => Layer.effect(
     const reloadLock = Semaphore.makeUnsafe(1)
     const decodeOptions = { errors: "all", onExcessProperty: "ignore", propertyOrder: "original" } as const
     const decodeInfo = Schema.decodeUnknownOption(Info, decodeOptions)
-    const parseInfo = Effect.fn("Config.parseInfo")(function* (text: string, source: string) {
+    const decodeV1Info = Schema.decodeUnknownOption(ConfigV1.Info, decodeOptions)
+
+    const parseInfo = (text: string) => {
       const errors: ParseError[] = []
       const input: unknown = parse(text, errors, { allowTrailingComma: true })
-      if (errors.length) {
-        yield* Effect.logWarning("configuration normalization diagnostic", {
-          source,
-          path: "$",
-          kind: "invalid",
-          action: "rejected malformed JSON or JSONC document",
-        })
-        return
-      }
-      const result = ConfigNormalize.normalize(input)
-      yield* Effect.forEach(result.diagnostics, (diagnostic) =>
-        Effect.logWarning("configuration normalization diagnostic", {
-          source,
-          path: diagnostic.path[0] === "$" ? "$" : `$.${diagnostic.path.join(".")}`,
-          kind: diagnostic.kind,
-          action: diagnostic.message,
-        }),
+      if (errors.length) return
+      return Option.getOrUndefined(
+        ConfigMigrateV1.isV1(input)
+          ? decodeV1Info(input).pipe(Option.map(ConfigMigrateV1.migrate), Option.flatMap(decodeInfo))
+          : decodeInfo(input),
       )
-      if (result.type === "rejected") return
-      const info = Option.getOrUndefined(decodeInfo(result.encoded))
-      if (info) return info
-      yield* Effect.logWarning("configuration normalization diagnostic", {
-        source,
-        path: "$",
-        kind: "invalid",
-        action: "rejected canonical configuration after final validation",
-      })
-    })
+    }
 
     const loadFile = Effect.fnUntraced(function* (filepath: string) {
       const text = yield* fs.readFileStringSafe(filepath)
-      if (text === undefined) return
+      if (!text) return
       const substituted = yield* ConfigVariable.substitute({ type: "path", path: filepath, text })
-      const info = yield* parseInfo(substituted, filepath)
+      const info = parseInfo(substituted)
       if (!info) return
       return new Document({ type: "document", path: filepath, info })
     })
@@ -159,7 +141,7 @@ export const layer = (options?: Options) => Layer.effect(
               text: JSON.stringify(config),
               env: variables,
             }).pipe(
-              Effect.flatMap((text) => parseInfo(text, entry.origin)),
+              Effect.map(parseInfo),
               Effect.map((info) => (info ? new Document({ type: "document", info }) : undefined)),
             ),
           ).pipe(Effect.map((documents) => documents.filter((document) => document !== undefined)))
@@ -236,14 +218,14 @@ export const layer = (options?: Options) => Layer.effect(
             Effect.orDie,
           )
         : []
-      const content = options?.content !== undefined
+      const content = options?.content
         ? yield* ConfigVariable.substitute({
             type: "virtual",
             source: "OPENCODE_CONFIG_CONTENT",
             dir: location.directory,
             text: options.content,
           }).pipe(
-            Effect.flatMap((text) => parseInfo(text, "OPENCODE_CONFIG_CONTENT")),
+            Effect.map(parseInfo),
             Effect.map((info) => (info ? [new Document({ type: "document", info })] : [])),
             Effect.orDie,
           )
@@ -251,13 +233,13 @@ export const layer = (options?: Options) => Layer.effect(
 
       const supplementary = yield* Effect.forEach(directories, loadDirectory).pipe(Effect.orDie)
       return [
-        ...(yield* loadWellknown().pipe(Effect.orDie)),
         ...claude,
         ...agents,
         ...(supplementary[0] ?? []),
         ...explicit,
         ...direct,
         ...supplementary.slice(1).flat(),
+        ...(yield* loadWellknown().pipe(Effect.orDie)),
         ...content,
       ]
     })

packages/core/src/config/normalize.ts

@@ -1,796 +0,0 @@
-export * as ConfigNormalize from "./normalize"
-
-import { isDeepStrictEqual } from "node:util"
-import { Option, Schema } from "effect"
-import { Info } from "@opencode-ai/schema/config"
-import { ConfigAgent } from "@opencode-ai/schema/config/agent"
-import { ConfigCommand } from "@opencode-ai/schema/config/command"
-import { ConfigCompaction } from "@opencode-ai/schema/config/compaction"
-import { ConfigFormatter } from "@opencode-ai/schema/config/formatter"
-import { ConfigLSP } from "@opencode-ai/schema/config/lsp"
-import { ConfigMedia } from "@opencode-ai/schema/config/media"
-import { ConfigMCP } from "@opencode-ai/schema/config/mcp"
-import { ConfigPlugin } from "@opencode-ai/schema/config/plugin"
-import { ConfigPolicy } from "@opencode-ai/schema/config/policy"
-import { ConfigProvider } from "@opencode-ai/schema/config/provider"
-import { ConfigReference } from "@opencode-ai/schema/config/reference"
-import { ConfigExperimental } from "@opencode-ai/schema/config/experimental"
-import { Permission } from "@opencode-ai/schema/permission"
-import { ConfigAgentV1 } from "../v1/config/agent"
-import { ConfigAttachmentV1 } from "../v1/config/attachment"
-import { ConfigCommandV1 } from "../v1/config/command"
-import { ConfigMCPV1 } from "../v1/config/mcp"
-import { ConfigPermissionV1 } from "../v1/config/permission"
-import { ConfigPluginV1 } from "../v1/config/plugin"
-import { ConfigProviderV1 } from "../v1/config/provider"
-import { ConfigMigrateV1 } from "../v1/config/migrate"
-import { PositiveInt } from "../schema"
-
-export interface Diagnostic {
-  readonly kind: "conflict" | "invalid" | "unsupported"
-  readonly path: readonly string[]
-  readonly message: string
-}
-
-export type Result =
-  | {
-      readonly type: "normalized"
-      readonly encoded: Readonly<Record<string, unknown>>
-      readonly diagnostics: readonly Diagnostic[]
-    }
-  | { readonly type: "rejected"; readonly diagnostics: readonly Diagnostic[] }
-
-const options = { errors: "all", onExcessProperty: "ignore", propertyOrder: "original" } as const
-const unsupportedTopLevel = ["logLevel", "server", "small_model", "subagent_depth", "layout"] as const
-const unsupportedExperimental = [
-  "disable_paste_summary",
-  "batch_tool",
-  "openTelemetry",
-  "primary_tools",
-  "continue_loop_on_deny",
-] as const
-const unsupportedProvider = ["id", "whitelist", "blacklist"] as const
-const unsupportedModel = ["release_date", "attachment", "reasoning", "temperature", "experimental"] as const
-
-export function normalize(input: unknown): Result {
-  if (!isRecord(input))
-    return {
-      type: "rejected",
-      diagnostics: [
-        { kind: "invalid", path: ["$"], message: "rejected configuration because its root is not an object" },
-      ],
-    }
-
-  const diagnostics: Diagnostic[] = []
-  const encoded: Record<string, unknown> = {}
-  unsupportedTopLevel.forEach((key) => unsupportedIfPresent(input, key, [key], diagnostics))
-
-  const legacySnapshots = own(input, "snapshot")
-    ? decodeEncoded(Schema.Boolean, input.snapshot, ["snapshot"], diagnostics)
-    : undefined
-  const legacyShare = own(input, "autoshare")
-    ? decodeValue(Schema.Boolean, input.autoshare, ["autoshare"], diagnostics) === true
-      ? "auto"
-      : undefined
-    : undefined
-  const legacyMedia = own(input, "attachment")
-    ? decodeValue(ConfigAttachmentV1.Info, input.attachment, ["attachment"], diagnostics)
-    : undefined
-  if (legacyMedia !== undefined) {
-    const migrated = ConfigMigrateV1.migrate({ attachment: legacyMedia }).media
-    if (migrated !== undefined) encoded.media = canonical(ConfigMedia.Info, migrated)
-  }
-  if (legacySnapshots !== undefined) encoded.snapshots = legacySnapshots
-  if (legacyShare !== undefined) encoded.share = legacyShare
-
-  const legacyReferences = decodeEncodedMap(input.reference, ConfigReference.Entry, ["reference"], diagnostics)
-  const nativeReferences = decodeEncodedMap(input.references, ConfigReference.Entry, ["references"], diagnostics)
-  mergeMap(
-    encoded,
-    "references",
-    legacyReferences,
-    nativeReferences,
-    isRecord(input.reference) || isRecord(input.references),
-    diagnostics,
-  )
-
-  const legacyCommands = decodeMap(input.command, ConfigCommandV1.Info, ["command"], diagnostics)
-  diagnoseSelectionMap(input.command, ["command"], diagnostics)
-  const migratedCommands = mapValues(legacyCommands, (value) => {
-    const migrated = ConfigMigrateV1.commands({ value })?.value
-    return migrated === undefined ? undefined : canonical(ConfigCommand.Info, migrated)
-  })
-  const nativeCommands = decodeEncodedMap(input.commands, ConfigCommand.Info, ["commands"], diagnostics)
-  mergeMap(
-    encoded,
-    "commands",
-    migratedCommands,
-    nativeCommands,
-    isRecord(input.command) || isRecord(input.commands),
-    diagnostics,
-  )
-
-  const legacyAgents = mapValues(decodeMap(input.agent, ConfigAgentV1.Info, ["agent"], diagnostics), (value) =>
-    canonical(ConfigAgent.Info, ConfigMigrateV1.migrateAgent(value)),
-  )
-  const modeAgents = mapValues(decodeMap(input.mode, ConfigAgentV1.Info, ["mode"], diagnostics), (value) =>
-    canonical(ConfigAgent.Info, ConfigMigrateV1.migrateAgent({ ...value, mode: "primary" })),
-  )
-  const migratedAgents = mergeMaps(legacyAgents, modeAgents, ["agents"], diagnostics)
-  const nativeAgents = decodeEncodedMap(input.agents, ConfigAgent.Info, ["agents"], diagnostics)
-  diagnoseAgentUnsupported(input.agent, ["agent"], diagnostics)
-  diagnoseAgentUnsupported(input.mode, ["mode"], diagnostics)
-  mergeMap(
-    encoded,
-    "agents",
-    migratedAgents,
-    nativeAgents,
-    isRecord(input.agent) || isRecord(input.mode) || isRecord(input.agents),
-    diagnostics,
-  )
-
-  const legacyProviders = migrateProviders(input.provider, diagnostics)
-  const nativeProviders = decodeEncodedMap(input.providers, ConfigProvider.Info, ["providers"], diagnostics)
-  mergeMap(
-    encoded,
-    "providers",
-    legacyProviders,
-    nativeProviders,
-    isRecord(input.provider) || isRecord(input.providers),
-    diagnostics,
-  )
-
-  const toolRules = migrateTools(input.tools, diagnostics)
-  const permissionRules = migratePermissions(input.permission, diagnostics)
-  const nativePermissions = decodeEncodedList(input.permissions, Permission.Rule, ["permissions"], diagnostics)
-  const permissions = [...toolRules, ...permissionRules, ...nativePermissions]
-  if (permissions.length || Array.isArray(input.permissions)) encoded.permissions = permissions
-
-  const legacyPlugins = decodeList(input.plugin, ConfigPluginV1.Spec, ["plugin"], diagnostics).map((plugin) =>
-    typeof plugin === "string" ? plugin : { package: plugin[0], options: plugin[1] },
-  )
-  const nativePlugins = decodeEncodedList(input.plugins, ConfigPlugin.Plugin, ["plugins"], diagnostics)
-  if (legacyPlugins.length || nativePlugins.length || Array.isArray(input.plugin) || Array.isArray(input.plugins))
-    encoded.plugins = [...legacyPlugins, ...nativePlugins]
-
-  normalizeSkills(input, encoded, diagnostics)
-  normalizeMcp(input, encoded, diagnostics)
-  normalizeCompaction(input, encoded, diagnostics)
-  normalizeExperimental(input, encoded, diagnostics)
-  normalizeWatcher(input, encoded, diagnostics)
-  normalizeFormatter(input, encoded, diagnostics)
-  normalizeLsp(input, encoded, diagnostics)
-
-  const nativeAtomic = {
-    $schema: Info.fields.$schema,
-    shell: Info.fields.shell,
-    model: Info.fields.model,
-    default_agent: Info.fields.default_agent,
-    autoupdate: Info.fields.autoupdate,
-    share: Info.fields.share,
-    enterprise: Info.fields.enterprise,
-    username: Info.fields.username,
-    snapshots: Info.fields.snapshots,
-    media: Info.fields.media,
-    tool_output: Info.fields.tool_output,
-    websearch: Info.fields.websearch,
-    warming: Info.fields.warming,
-  }
-  Object.entries(nativeAtomic).forEach(([key, schema]) => {
-    if (!own(input, key)) return
-    const value = decodeEncoded(schema, input[key], [key], diagnostics)
-    if (value === undefined) return
-    overlay(encoded, key, value, [key], diagnostics)
-  })
-
-  const instructions = decodeEncodedList(input.instructions, Schema.String, ["instructions"], diagnostics)
-  if (instructions.length || Array.isArray(input.instructions)) encoded.instructions = instructions
-
-  return { type: "normalized", encoded, diagnostics }
-}
-
-function normalizeSkills(input: Record<string, unknown>, encoded: Record<string, unknown>, diagnostics: Diagnostic[]) {
-  if (!own(input, "skills")) return
-  if (Array.isArray(input.skills)) {
-    encoded.skills = decodeEncodedList(input.skills, Schema.String, ["skills"], diagnostics)
-    return
-  }
-  if (!isRecord(input.skills)) {
-    invalid(["skills"], diagnostics)
-    return
-  }
-  encoded.skills = [
-    ...decodeEncodedList(input.skills.paths, Schema.String, ["skills", "paths"], diagnostics),
-    ...decodeEncodedList(input.skills.urls, Schema.String, ["skills", "urls"], diagnostics),
-  ]
-}
-
-function normalizeMcp(input: Record<string, unknown>, encoded: Record<string, unknown>, diagnostics: Diagnostic[]) {
-  const legacyServers: Record<string, unknown> = {}
-  const nativeServers: Record<string, unknown> = {}
-  const timeout: Record<string, unknown> = {}
-  if (isRecord(input.experimental) && own(input.experimental, "mcp_timeout")) {
-    const value = decodeEncoded(
-      PositiveInt,
-      input.experimental.mcp_timeout,
-      ["experimental", "mcp_timeout"],
-      diagnostics,
-    )
-    if (value !== undefined) {
-      timeout.catalog = value
-      timeout.execution = value
-    }
-  }
-  if (own(input, "mcp")) {
-    if (!isRecord(input.mcp)) invalid(["mcp"], diagnostics)
-    if (isRecord(input.mcp)) {
-      Object.entries(input.mcp).forEach(([name, value]) => {
-        const path = ["mcp", name]
-        if (isEnabledOnlyMcp(value)) {
-          diagnostics.push({ kind: "unsupported", path, message: "omitted enabled-only legacy MCP entry" })
-          return
-        }
-        if (name === "servers" && !isDirectLegacyMcp(value)) {
-          Object.entries(decodeEncodedMap(value, ConfigMCP.Server, path, diagnostics)).forEach(([key, server]) =>
-            setOwn(nativeServers, key, server),
-          )
-          return
-        }
-        if (name === "timeout" && !isDirectLegacyMcp(value)) {
-          normalizeMcpTimeout(value, timeout, path, diagnostics)
-          return
-        }
-        const server = decodeValue(ConfigMCPV1.Info, value, path, diagnostics)
-        if (server !== undefined)
-          setOwn(legacyServers, name, canonical(ConfigMCP.Server, ConfigMigrateV1.migrateMcp(server)))
-      })
-    }
-  }
-  const servers = mergeMaps(legacyServers, nativeServers, ["mcp", "servers"], diagnostics)
-  if (!Object.keys(servers).length && !Object.keys(timeout).length) {
-    if (isRecord(input.mcp) && !Object.keys(input.mcp).length) encoded.mcp = {}
-    return
-  }
-  encoded.mcp = {
-    ...(Object.keys(timeout).length ? { timeout } : {}),
-    ...(Object.keys(servers).length ? { servers } : {}),
-  }
-}
-
-function normalizeMcpTimeout(
-  value: unknown,
-  timeout: Record<string, unknown>,
-  path: string[],
-  diagnostics: Diagnostic[],
-) {
-  if (!isRecord(value)) {
-    invalid(path, diagnostics)
-    return
-  }
-  const recognized = ["startup", "catalog", "execution"].filter((key) => own(value, key))
-  if (Object.keys(value).length && !recognized.length) {
-    invalid(path, diagnostics)
-    return
-  }
-  recognized.forEach((key) => {
-    const leaf = decodeEncoded(
-      ConfigMCP.Timeout.fields[key as keyof typeof ConfigMCP.Timeout.fields],
-      value[key],
-      [...path, key],
-      diagnostics,
-    )
-    if (leaf === undefined) return
-    overlay(timeout, key, leaf, [...path, key], diagnostics)
-  })
-}
-
-function normalizeCompaction(
-  input: Record<string, unknown>,
-  encoded: Record<string, unknown>,
-  diagnostics: Diagnostic[],
-) {
-  if (!own(input, "compaction")) return
-  if (!isRecord(input.compaction)) {
-    invalid(["compaction"], diagnostics)
-    return
-  }
-  unsupportedIfPresent(input.compaction, "tail_turns", ["compaction", "tail_turns"], diagnostics)
-  unsupportedIfPresent(input.compaction, "prune", ["compaction", "prune"], diagnostics)
-  const result: Record<string, unknown> = {}
-  if (own(input.compaction, "auto")) {
-    const value = decodeEncoded(
-      ConfigCompaction.Info.fields.auto,
-      input.compaction.auto,
-      ["compaction", "auto"],
-      diagnostics,
-    )
-    if (value !== undefined) result.auto = value
-  }
-  const legacyTokens = own(input.compaction, "preserve_recent_tokens")
-    ? decodeEncoded(
-        ConfigCompaction.Keep.fields.tokens,
-        input.compaction.preserve_recent_tokens,
-        ["compaction", "preserve_recent_tokens"],
-        diagnostics,
-      )
-    : undefined
-  const nativeKeep = isRecord(input.compaction.keep) ? input.compaction.keep : undefined
-  if (own(input.compaction, "keep") && !nativeKeep) invalid(["compaction", "keep"], diagnostics)
-  const nativeTokens =
-    nativeKeep && own(nativeKeep, "tokens")
-      ? decodeEncoded(
-          ConfigCompaction.Keep.fields.tokens,
-          nativeKeep.tokens,
-          ["compaction", "keep", "tokens"],
-          diagnostics,
-        )
-      : undefined
-  const tokens = prefer(legacyTokens, nativeTokens, ["compaction", "keep", "tokens"], diagnostics)
-  if (tokens !== undefined) result.keep = { tokens }
-  const legacyBuffer = own(input.compaction, "reserved")
-    ? decodeEncoded(
-        ConfigCompaction.Info.fields.buffer,
-        input.compaction.reserved,
-        ["compaction", "reserved"],
-        diagnostics,
-      )
-    : undefined
-  const nativeBuffer = own(input.compaction, "buffer")
-    ? decodeEncoded(ConfigCompaction.Info.fields.buffer, input.compaction.buffer, ["compaction", "buffer"], diagnostics)
-    : undefined
-  const buffer = prefer(legacyBuffer, nativeBuffer, ["compaction", "buffer"], diagnostics)
-  if (buffer !== undefined) result.buffer = buffer
-  if (Object.keys(result).length || !Object.keys(input.compaction).length) encoded.compaction = result
-}
-
-function normalizeExperimental(
-  input: Record<string, unknown>,
-  encoded: Record<string, unknown>,
-  diagnostics: Diagnostic[],
-) {
-  const result: Record<string, unknown> = {}
-  const generated: unknown[] = []
-  const enabled = decodeProviderList(input, "enabled_providers", diagnostics)
-  if (enabled.present && (!enabled.nonEmpty || enabled.values.length)) {
-    generated.push({ action: "provider.use", resource: "*", effect: "deny" })
-    generated.push(
-      ...enabled.values.map((resource) => ({
-        action: "provider.use",
-        resource: ConfigMigrateV1.providerID(resource),
-        effect: "allow",
-      })),
-    )
-  }
-  const disabled = decodeProviderList(input, "disabled_providers", diagnostics)
-  generated.push(
-    ...disabled.values.map((resource) => ({
-      action: "provider.use",
-      resource: ConfigMigrateV1.providerID(resource),
-      effect: "deny",
-    })),
-  )
-  const native: unknown[] = []
-  if (own(input, "experimental")) {
-    if (!isRecord(input.experimental)) invalid(["experimental"], diagnostics)
-    if (isRecord(input.experimental)) {
-      const experimental = input.experimental
-      unsupportedExperimental.forEach((key) =>
-        unsupportedIfPresent(experimental, key, ["experimental", key], diagnostics),
-      )
-      if (own(experimental, "subagent_depth")) {
-        const value = decodeEncoded(
-          ConfigExperimental.Info.fields.subagent_depth,
-          experimental.subagent_depth,
-          ["experimental", "subagent_depth"],
-          diagnostics,
-        )
-        if (value !== undefined) result.subagent_depth = value
-      }
-      native.push(
-        ...decodeEncodedList(experimental.policies, ConfigPolicy.Info, ["experimental", "policies"], diagnostics),
-      )
-    }
-  }
-  if (generated.length || native.length || (isRecord(input.experimental) && Array.isArray(input.experimental.policies)))
-    result.policies = [...generated, ...native]
-  if (Object.keys(result).length || (isRecord(input.experimental) && !Object.keys(input.experimental).length))
-    encoded.experimental = result
-}
-
-function normalizeWatcher(input: Record<string, unknown>, encoded: Record<string, unknown>, diagnostics: Diagnostic[]) {
-  if (!own(input, "watcher")) return
-  if (!isRecord(input.watcher)) {
-    invalid(["watcher"], diagnostics)
-    return
-  }
-  const ignore = decodeEncodedList(input.watcher.ignore, Schema.String, ["watcher", "ignore"], diagnostics)
-  encoded.watcher = ignore.length || Array.isArray(input.watcher.ignore) ? { ignore } : {}
-}
-
-function normalizeFormatter(
-  input: Record<string, unknown>,
-  encoded: Record<string, unknown>,
-  diagnostics: Diagnostic[],
-) {
-  if (!own(input, "formatter")) return
-  if (typeof input.formatter === "boolean") {
-    const value = decodeEncoded(ConfigFormatter.Info, input.formatter, ["formatter"], diagnostics)
-    if (value !== undefined) encoded.formatter = value
-    return
-  }
-  const entries = decodeEncodedMap(input.formatter, ConfigFormatter.Entry, ["formatter"], diagnostics)
-  if (isRecord(input.formatter) && (!Object.keys(input.formatter).length || Object.keys(entries).length))
-    encoded.formatter = entries
-}
-
-function normalizeLsp(input: Record<string, unknown>, encoded: Record<string, unknown>, diagnostics: Diagnostic[]) {
-  if (!own(input, "lsp")) return
-  if (typeof input.lsp === "boolean") {
-    const value = decodeEncoded(ConfigLSP.Info, input.lsp, ["lsp"], diagnostics)
-    if (value !== undefined) encoded.lsp = value
-    return
-  }
-  const entries = decodeEncodedMap(input.lsp, ConfigLSP.Entry, ["lsp"], diagnostics)
-  if (isRecord(input.lsp) && (!Object.keys(input.lsp).length || Object.keys(entries).length)) encoded.lsp = entries
-}
-
-function migrateTools(value: unknown, diagnostics: Diagnostic[]) {
-  if (value === undefined) return []
-  if (!isRecord(value)) {
-    invalid(["tools"], diagnostics)
-    return []
-  }
-  return Object.entries(value).flatMap(([action, raw]) => {
-    const enabled = decodeValue(Schema.Boolean, raw, ["tools", action], diagnostics)
-    if (enabled === undefined) return []
-    return [{ action: ConfigMigrateV1.normalizeAction(action), resource: "*", effect: enabled ? "allow" : "deny" }]
-  })
-}
-
-function migratePermissions(value: unknown, diagnostics: Diagnostic[]) {
-  if (value === undefined) return []
-  if (typeof value === "string") {
-    const effect = decodeValue(ConfigPermissionV1.Action, value, ["permission"], diagnostics)
-    return effect === undefined ? [] : [{ action: "*", resource: "*", effect }]
-  }
-  if (!isRecord(value)) {
-    invalid(["permission"], diagnostics)
-    return []
-  }
-  return Object.entries(value).flatMap(([action, raw]) => {
-    if (typeof raw === "string") {
-      const effect = decodeValue(ConfigPermissionV1.Action, raw, ["permission", action], diagnostics)
-      return effect === undefined ? [] : [{ action: ConfigMigrateV1.normalizeAction(action), resource: "*", effect }]
-    }
-    if (!isRecord(raw)) {
-      invalid(["permission", action], diagnostics)
-      return []
-    }
-    return Object.entries(raw).flatMap(([resource, effect], index) => {
-      const decoded = decodeValue(ConfigPermissionV1.Action, effect, ["permission", action, String(index)], diagnostics)
-      return decoded === undefined
-        ? []
-        : [{ action: ConfigMigrateV1.normalizeAction(action), resource, effect: decoded }]
-    })
-  })
-}
-
-function migrateProviders(value: unknown, diagnostics: Diagnostic[]) {
-  if (value === undefined) return {}
-  if (!isRecord(value)) {
-    invalid(["provider"], diagnostics)
-    return {}
-  }
-  const candidates = Object.entries(value).flatMap(([name, raw]) => {
-    const path = ["provider", name]
-    diagnoseProviderUnsupported(raw, path, diagnostics)
-    if (invalidProviderOverlays(raw, path, diagnostics)) return []
-    const provider = decodeValue(ConfigProviderV1.Info, raw, path, diagnostics)
-    if (provider === undefined) return []
-    const destination = ConfigMigrateV1.providerID(name)
-    return [
-      {
-        name,
-        destination,
-        provider: canonical(ConfigProvider.Info, ConfigMigrateV1.migrateProvider(name, provider)),
-      },
-    ]
-  })
-  const current = new Set(candidates.filter((item) => item.name === item.destination).map((item) => item.destination))
-  const result: Record<string, unknown> = {}
-  candidates.forEach((item) => {
-    if (item.name !== item.destination && current.has(item.destination)) return
-    setOwn(result, item.destination, item.provider)
-  })
-  return result
-}
-
-function invalidProviderOverlays(value: unknown, path: string[], diagnostics: Diagnostic[]) {
-  if (!isRecord(value) || !isRecord(value.options)) return false
-  const headersInvalid =
-    own(value.options, "headers") &&
-    (!isPlainRecord(value.options.headers) ||
-      Object.values(value.options.headers).some((item) => typeof item !== "string"))
-  const bodyInvalid = own(value.options, "body") && !isPlainRecord(value.options.body)
-  if (headersInvalid) invalid([...path, "options", "headers"], diagnostics)
-  if (bodyInvalid) invalid([...path, "options", "body"], diagnostics)
-  return headersInvalid || bodyInvalid
-}
-
-function diagnoseProviderUnsupported(value: unknown, path: string[], diagnostics: Diagnostic[]) {
-  if (!isRecord(value)) return
-  unsupportedProvider.forEach((key) => unsupportedIfPresent(value, key, [...path, key], diagnostics))
-  if (!isRecord(value.models)) return
-  Object.entries(value.models).forEach(([name, model]) => {
-    if (!isRecord(model)) return
-    unsupportedModel.forEach((key) => unsupportedIfPresent(model, key, [...path, "models", name, key], diagnostics))
-    if (own(model, "status") && model.status !== "deprecated")
-      unsupportedIfPresent(model, "status", [...path, "models", name, "status"], diagnostics)
-    if (own(model, "interleaved") && typeof model.interleaved === "boolean")
-      unsupportedIfPresent(model, "interleaved", [...path, "models", name, "interleaved"], diagnostics)
-  })
-}
-
-function diagnoseAgentUnsupported(value: unknown, path: string[], diagnostics: Diagnostic[]) {
-  if (!isRecord(value)) return
-  Object.entries(value).forEach(([name, agent]) => {
-    if (!isRecord(agent)) return
-    unsupportedIfPresent(agent, "name", [...path, name, "name"], diagnostics)
-    diagnoseSelection(agent, [...path, name], diagnostics)
-  })
-}
-
-function diagnoseSelectionMap(value: unknown, path: string[], diagnostics: Diagnostic[]) {
-  if (!isRecord(value)) return
-  Object.entries(value).forEach(([name, entry]) => {
-    if (isRecord(entry)) diagnoseSelection(entry, [...path, name], diagnostics)
-  })
-}
-
-function diagnoseSelection(value: Record<string, unknown>, path: string[], diagnostics: Diagnostic[]) {
-  const modelValid = typeof value.model === "string" && /^[^/#]+\/[^#]+$/.test(value.model)
-  if (own(value, "model") && typeof value.model === "string" && !modelValid)
-    diagnostics.push({
-      kind: "unsupported",
-      path: [...path, "model"],
-      message: "omitted unsupported legacy model reference",
-    })
-  if (
-    own(value, "variant") &&
-    typeof value.variant === "string" &&
-    (!modelValid || value.variant.length === 0 || value.variant.includes("#"))
-  )
-    diagnostics.push({
-      kind: "unsupported",
-      path: [...path, "variant"],
-      message: "omitted unsupported legacy model variant",
-    })
-}
-
-function decodeProviderList(
-  input: Record<string, unknown>,
-  key: "enabled_providers" | "disabled_providers",
-  diagnostics: Diagnostic[],
-) {
-  if (!own(input, key)) return { present: false, nonEmpty: false, values: [] as string[] }
-  if (!Array.isArray(input[key])) {
-    invalid([key], diagnostics)
-    return { present: true, nonEmpty: true, values: [] as string[] }
-  }
-  return {
-    present: true,
-    nonEmpty: input[key].length > 0,
-    values: decodeList(input[key], Schema.String, [key], diagnostics),
-  }
-}
-
-function decodeEncodedMap<S extends Schema.Codec<unknown, unknown, never, never>>(
-  value: unknown,
-  schema: S,
-  path: string[],
-  diagnostics: Diagnostic[],
-) {
-  if (value === undefined) return {}
-  if (!isRecord(value)) {
-    invalid(path, diagnostics)
-    return {}
-  }
-  return Object.fromEntries(
-    Object.entries(value).flatMap(([name, raw]) => {
-      const decoded = decodeEncoded(schema, raw, [...path, name], diagnostics)
-      return decoded === undefined ? [] : [[name, decoded]]
-    }),
-  )
-}
-
-function decodeMap<S extends Schema.Codec<unknown, unknown, never, never>>(
-  value: unknown,
-  schema: S,
-  path: string[],
-  diagnostics: Diagnostic[],
-) {
-  if (value === undefined) return {} as Record<string, S["Type"]>
-  if (!isRecord(value)) {
-    invalid(path, diagnostics)
-    return {} as Record<string, S["Type"]>
-  }
-  return Object.fromEntries(
-    Object.entries(value).flatMap(([name, raw]) => {
-      const decoded = decodeValue(schema, raw, [...path, name], diagnostics)
-      return decoded === undefined ? [] : [[name, decoded]]
-    }),
-  ) as Record<string, S["Type"]>
-}
-
-function decodeEncodedList<S extends Schema.Codec<unknown, unknown, never, never>>(
-  value: unknown,
-  schema: S,
-  path: string[],
-  diagnostics: Diagnostic[],
-) {
-  if (value === undefined) return [] as S["Encoded"][]
-  if (!Array.isArray(value)) {
-    invalid(path, diagnostics)
-    return [] as S["Encoded"][]
-  }
-  return value.flatMap((item, index) => {
-    const decoded = decodeEncoded(schema, item, [...path, String(index)], diagnostics)
-    return decoded === undefined ? [] : [decoded]
-  })
-}
-
-function decodeList<S extends Schema.Codec<unknown, unknown, never, never>>(
-  value: unknown,
-  schema: S,
-  path: string[],
-  diagnostics: Diagnostic[],
-) {
-  if (value === undefined) return [] as S["Type"][]
-  if (!Array.isArray(value)) {
-    invalid(path, diagnostics)
-    return [] as S["Type"][]
-  }
-  return value.flatMap((item, index) => {
-    const decoded = decodeValue(schema, item, [...path, String(index)], diagnostics)
-    return decoded === undefined ? [] : [decoded]
-  })
-}
-
-function decodeValue<S extends Schema.Codec<unknown, unknown, never, never>>(
-  schema: S,
-  value: unknown,
-  path: string[],
-  diagnostics: Diagnostic[],
-) {
-  const decoded = Schema.decodeUnknownOption(schema, options)(value)
-  if (Option.isSome(decoded)) return decoded.value
-  invalid(path, diagnostics)
-  return undefined
-}
-
-function decodeEncoded<S extends Schema.Codec<unknown, unknown, never, never>>(
-  schema: S,
-  value: unknown,
-  path: string[],
-  diagnostics: Diagnostic[],
-) {
-  const decoded = Schema.decodeUnknownOption(schema, options)(value)
-  if (Option.isNone(decoded)) {
-    invalid(path, diagnostics)
-    return undefined
-  }
-  const encoded = Schema.encodeUnknownOption(schema, options)(decoded.value)
-  if (Option.isSome(encoded)) return plain(encoded.value)
-  invalid(path, diagnostics)
-  return undefined
-}
-
-function canonical<S extends Schema.Codec<unknown, unknown, never, never>>(schema: S, value: unknown) {
-  return plain(
-    Option.getOrThrow(
-      Schema.decodeUnknownOption(
-        schema,
-        options,
-      )(plain(value)).pipe(Option.flatMap((decoded) => Schema.encodeUnknownOption(schema, options)(decoded))),
-    ),
-  )
-}
-
-function plain(value: unknown): unknown {
-  if (Array.isArray(value)) return value.map(plain)
-  if (!isRecord(value)) return value
-  return Object.fromEntries(
-    Object.entries(value).flatMap(([key, item]) => (item === undefined ? [] : [[key, plain(item)]])),
-  )
-}
-
-function mergeMap(
-  target: Record<string, unknown>,
-  key: string,
-  legacy: Readonly<Record<string, unknown>>,
-  native: Readonly<Record<string, unknown>>,
-  present: boolean,
-  diagnostics: Diagnostic[],
-) {
-  const merged = mergeMaps(legacy, native, [key], diagnostics)
-  if (present) target[key] = merged
-}
-
-function mergeMaps(
-  legacy: Readonly<Record<string, unknown>>,
-  native: Readonly<Record<string, unknown>>,
-  path: string[],
-  diagnostics: Diagnostic[],
-) {
-  const result = Object.fromEntries(Object.entries(legacy))
-  Object.entries(native).forEach(([name, value]) => {
-    if (own(result, name) && !isDeepStrictEqual(result[name], value)) conflict([...path, name], diagnostics)
-    setOwn(result, name, value)
-  })
-  return result
-}
-
-function mapValues<A>(input: Readonly<Record<string, A>>, map: (value: A) => unknown) {
-  return Object.fromEntries(
-    Object.entries(input).flatMap(([key, value]) => {
-      const mapped = map(value)
-      return mapped === undefined ? [] : [[key, mapped]]
-    }),
-  )
-}
-
-function overlay(
-  target: Record<string, unknown>,
-  key: string,
-  value: unknown,
-  path: string[],
-  diagnostics: Diagnostic[],
-) {
-  if (own(target, key) && !isDeepStrictEqual(target[key], value)) conflict(path, diagnostics)
-  target[key] = value
-}
-
-function prefer(legacy: unknown, native: unknown, path: string[], diagnostics: Diagnostic[]) {
-  if (native === undefined) return legacy
-  if (legacy !== undefined && !isDeepStrictEqual(legacy, native)) conflict(path, diagnostics)
-  return native
-}
-
-function unsupportedIfPresent(value: Record<string, unknown>, key: string, path: string[], diagnostics: Diagnostic[]) {
-  if (!own(value, key)) return
-  diagnostics.push({ kind: "unsupported", path, message: "omitted unsupported legacy setting" })
-}
-
-function invalid(path: string[], diagnostics: Diagnostic[]) {
-  diagnostics.push({ kind: "invalid", path, message: "skipped malformed recognized value" })
-}
-
-function conflict(path: string[], diagnostics: Diagnostic[]) {
-  diagnostics.push({ kind: "conflict", path, message: "retained native value over legacy value" })
-}
-
-function isDirectLegacyMcp(value: unknown) {
-  return isRecord(value) && (value.type === "local" || value.type === "remote")
-}
-
-function isEnabledOnlyMcp(value: unknown) {
-  return isRecord(value) && !own(value, "type") && typeof value.enabled === "boolean"
-}
-
-function isRecord(value: unknown): value is Record<string, unknown> {
-  return typeof value === "object" && value !== null && !Array.isArray(value)
-}
-
-function isPlainRecord(value: unknown): value is Record<string, unknown> {
-  if (!isRecord(value)) return false
-  const prototype = Object.getPrototypeOf(value)
-  return prototype === Object.prototype || prototype === null
-}
-
-function own(value: Record<string, unknown>, key: string) {
-  return Object.prototype.hasOwnProperty.call(value, key)
-}
-
-function setOwn(value: Record<string, unknown>, key: string, item: unknown) {
-  Object.defineProperty(value, key, { value: item, enumerable: true, configurable: true, writable: true })
-}

packages/core/src/config/plugin/agent.ts

@@ -161,14 +161,11 @@ function isPathAction(action: string): action is PathAction {
 }
 
 function expandHome(resource: string, home: string) {
+  if (resource.startsWith("~/")) return home + resource.slice(1)
   if (resource === "~") return home
   if (resource === "$HOME") return home
-  const relative = resource.startsWith("~/")
-    ? resource.slice(2)
-    : resource.startsWith("$HOME/") || resource.startsWith("$HOME\\")
-      ? resource.slice(6)
-      : undefined
-  if (relative !== undefined) return (path.posix.isAbsolute(home) ? path.posix : path.win32).join(home, relative)
+  if (resource.startsWith("$HOME/")) return home + resource.slice(5)
+  if (resource.startsWith("$HOME\\")) return home + resource.slice(5)
   return resource
 }
 

packages/core/src/database/migration.gen.ts

@@ -1,6 +1,6 @@
 import type { DatabaseMigration } from "./migration"
 
-export const migrations = (
+export const migrations: DatabaseMigration.Migration[] = (
   await Promise.all([
     import("./migration/20260127222353_familiar_lady_ursula"),
     import("./migration/20260211171708_add_project_commands"),
@@ -43,4 +43,4 @@ export const migrations = (
     import("./migration/20260804233008_loose_psylocke"),
     import("./migration/20260805200742_import_legacy_credentials"),
   ])
-).map((module) => module.default) satisfies DatabaseMigration.Migration[]
+).map((module) => module.default)

packages/core/src/database/migration/20260127222353_familiar_lady_ursula.ts

@@ -1,7 +1,7 @@
 import { Effect } from "effect"
 import type { DatabaseMigration } from "../migration"
 
-export default {
+const migration: DatabaseMigration.Migration = {
   id: "20260127222353_familiar_lady_ursula",
   up(tx) {
     return Effect.gen(function* () {
@@ -104,4 +104,6 @@ export default {
       yield* tx.run(`CREATE INDEX \`todo_session_idx\` ON \`todo\` (\`session_id\`);`)
     })
   },
-} satisfies DatabaseMigration.Migration
+}
+
+export default migration

packages/core/src/database/migration/20260211171708_add_project_commands.ts

@@ -1,11 +1,13 @@
 import { Effect } from "effect"
 import type { DatabaseMigration } from "../migration"
 
-export default {
+const migration: DatabaseMigration.Migration = {
   id: "20260211171708_add_project_commands",
   up(tx) {
     return Effect.gen(function* () {
       yield* tx.run(`ALTER TABLE \`project\` ADD \`commands\` text;`)
     })
   },
-} satisfies DatabaseMigration.Migration
+}
+
+export default migration

packages/core/src/database/migration/20260213144116_wakeful_the_professor.ts

@@ -1,7 +1,7 @@
 import { Effect } from "effect"
 import type { DatabaseMigration } from "../migration"
 
-export default {
+const migration: DatabaseMigration.Migration = {
   id: "20260213144116_wakeful_the_professor",
   up(tx) {
     return Effect.gen(function* () {
@@ -20,4 +20,6 @@ export default {
       `)
     })
   },
-} satisfies DatabaseMigration.Migration
+}
+
+export default migration

packages/core/src/database/migration/20260225215848_workspace.ts

@@ -1,7 +1,7 @@
 import { Effect } from "effect"
 import type { DatabaseMigration } from "../migration"
 
-export default {
+const migration: DatabaseMigration.Migration = {
   id: "20260225215848_workspace",
   up(tx) {
     return Effect.gen(function* () {
@@ -16,4 +16,6 @@ export default {
       `)
     })
   },
-} satisfies DatabaseMigration.Migration
+}
+
+export default migration

packages/core/src/database/migration/20260227213759_add_session_workspace_id.ts

@@ -1,7 +1,7 @@
 import { Effect } from "effect"
 import type { DatabaseMigration } from "../migration"
 
-export default {
+const migration: DatabaseMigration.Migration = {
   id: "20260227213759_add_session_workspace_id",
   up(tx) {
     return Effect.gen(function* () {
@@ -9,4 +9,6 @@ export default {
       yield* tx.run(`CREATE INDEX \`session_workspace_idx\` ON \`session\` (\`workspace_id\`);`)
     })
   },
-} satisfies DatabaseMigration.Migration
+}
+
+export default migration

packages/core/src/database/migration/20260228203230_blue_harpoon.ts

@@ -1,7 +1,7 @@
 import { Effect } from "effect"
 import type { DatabaseMigration } from "../migration"
 
-export default {
+const migration: DatabaseMigration.Migration = {
   id: "20260228203230_blue_harpoon",
   up(tx) {
     return Effect.gen(function* () {
@@ -27,4 +27,6 @@ export default {
       `)
     })
   },
-} satisfies DatabaseMigration.Migration
+}
+
+export default migration

packages/core/src/database/migration/20260303231226_add_workspace_fields.ts

@@ -1,7 +1,7 @@
 import { Effect } from "effect"
 import type { DatabaseMigration } from "../migration"
 
-export default {
+const migration: DatabaseMigration.Migration = {
   id: "20260303231226_add_workspace_fields",
   up(tx) {
     return Effect.gen(function* () {
@@ -12,4 +12,6 @@ export default {
       yield* tx.run(`ALTER TABLE \`workspace\` DROP COLUMN \`config\`;`)
     })
   },
-} satisfies DatabaseMigration.Migration
+}
+
+export default migration

packages/core/src/database/migration/20260309230000_move_org_to_state.ts

@@ -1,7 +1,7 @@
 import { Effect } from "effect"
 import type { DatabaseMigration } from "../migration"
 
-export default {
+const migration: DatabaseMigration.Migration = {
   id: "20260309230000_move_org_to_state",
   up(tx) {
     return Effect.gen(function* () {
@@ -12,4 +12,6 @@ export default {
       yield* tx.run(`ALTER TABLE \`account\` DROP COLUMN \`selected_org_id\`;`)
     })
   },
-} satisfies DatabaseMigration.Migration
+}
+
+export default migration

packages/core/src/database/migration/20260312043431_session_message_cursor.ts

@@ -1,7 +1,7 @@
 import { Effect } from "effect"
 import type { DatabaseMigration } from "../migration"
 
-export default {
+const migration: DatabaseMigration.Migration = {
   id: "20260312043431_session_message_cursor",
   up(tx) {
     return Effect.gen(function* () {
@@ -13,4 +13,6 @@ export default {
       yield* tx.run(`CREATE INDEX \`part_message_id_id_idx\` ON \`part\` (\`message_id\`,\`id\`);`)
     })
   },
-} satisfies DatabaseMigration.Migration
+}
+
+export default migration

packages/core/src/database/migration/20260323234822_events.ts

@@ -1,7 +1,7 @@
 import { Effect } from "effect"
 import type { DatabaseMigration } from "../migration"
 
-export default {
+const migration: DatabaseMigration.Migration = {
   id: "20260323234822_events",
   up(tx) {
     return Effect.gen(function* () {
@@ -23,4 +23,6 @@ export default {
       `)
     })
   },
-} satisfies DatabaseMigration.Migration
+}
+
+export default migration

packages/core/src/database/migration/20260410174513_workspace-name.ts

@@ -1,7 +1,7 @@
 import { Effect } from "effect"
 import type { DatabaseMigration } from "../migration"
 
-export default {
+const migration: DatabaseMigration.Migration = {
   id: "20260410174513_workspace-name",
   up(tx) {
     return Effect.gen(function* () {
@@ -26,4 +26,6 @@ export default {
       yield* tx.run(`PRAGMA foreign_keys=ON;`)
     })
   },
-} satisfies DatabaseMigration.Migration
+}
+
+export default migration

packages/core/src/database/migration/20260413175956_chief_energizer.ts

@@ -1,7 +1,7 @@
 import { Effect } from "effect"
 import type { DatabaseMigration } from "../migration"
 
-export default {
+const migration: DatabaseMigration.Migration = {
   id: "20260413175956_chief_energizer",
   up(tx) {
     return Effect.gen(function* () {
@@ -21,4 +21,6 @@ export default {
       yield* tx.run(`CREATE INDEX \`session_entry_time_created_idx\` ON \`session_entry\` (\`time_created\`);`)
     })
   },
-} satisfies DatabaseMigration.Migration
+}
+
+export default migration

packages/core/src/database/migration/20260423070820_add_icon_url_override.ts

@@ -1,7 +1,7 @@
 import { Effect } from "effect"
 import type { DatabaseMigration } from "../migration"
 
-export default {
+const migration: DatabaseMigration.Migration = {
   id: "20260423070820_add_icon_url_override",
   up(tx) {
     return Effect.gen(function* () {
@@ -11,4 +11,6 @@ export default {
       `)
     })
   },
-} satisfies DatabaseMigration.Migration
+}
+
+export default migration

packages/core/src/database/migration/20260427172553_slow_nightmare.ts

@@ -1,7 +1,7 @@
 import { Effect } from "effect"
 import type { DatabaseMigration } from "../migration"
 
-export default {
+const migration: DatabaseMigration.Migration = {
   id: "20260427172553_slow_nightmare",
   up(tx) {
     return Effect.gen(function* () {
@@ -27,4 +27,6 @@ export default {
       yield* tx.run(`DROP TABLE \`session_entry\`;`)
     })
   },
-} satisfies DatabaseMigration.Migration
+}
+
+export default migration

packages/core/src/database/migration/20260428004200_add_session_path.ts

@@ -1,11 +1,13 @@
 import { Effect } from "effect"
 import type { DatabaseMigration } from "../migration"
 
-export default {
+const migration: DatabaseMigration.Migration = {
   id: "20260428004200_add_session_path",
   up(tx) {
     return Effect.gen(function* () {
       yield* tx.run(`ALTER TABLE \`session\` ADD \`path\` text;`)
     })
   },
-} satisfies DatabaseMigration.Migration
+}
+
+export default migration

packages/core/src/database/migration/20260501142318_next_venus.ts

@@ -1,7 +1,7 @@
 import { Effect } from "effect"
 import type { DatabaseMigration } from "../migration"
 
-export default {
+const migration: DatabaseMigration.Migration = {
   id: "20260501142318_next_venus",
   up(tx) {
     return Effect.gen(function* () {
@@ -9,4 +9,6 @@ export default {
       yield* tx.run(`ALTER TABLE \`session\` ADD \`model\` text;`)
     })
   },
-} satisfies DatabaseMigration.Migration
+}
+
+export default migration

packages/core/src/database/migration/20260504145000_add_sync_owner.ts

@@ -1,11 +1,13 @@
 import { Effect } from "effect"
 import type { DatabaseMigration } from "../migration"
 
-export default {
+const migration: DatabaseMigration.Migration = {
   id: "20260504145000_add_sync_owner",
   up(tx) {
     return Effect.gen(function* () {
       yield* tx.run(`ALTER TABLE \`event_sequence\` ADD \`owner_id\` text;`)
     })
   },
-} satisfies DatabaseMigration.Migration
+}
+
+export default migration

packages/core/src/database/migration/20260507164347_add_workspace_time.ts

@@ -1,11 +1,13 @@
 import { Effect } from "effect"
 import type { DatabaseMigration } from "../migration"
 
-export default {
+const migration: DatabaseMigration.Migration = {
   id: "20260507164347_add_workspace_time",
   up(tx) {
     return Effect.gen(function* () {
       yield* tx.run(`ALTER TABLE \`workspace\` ADD \`time_used\` integer NOT NULL DEFAULT 0;`)
     })
   },
-} satisfies DatabaseMigration.Migration
+}
+
+export default migration

packages/core/src/database/migration/20260510033149_session_usage.ts

@@ -1,7 +1,7 @@
 import { Effect } from "effect"
 import type { DatabaseMigration } from "../migration"
 
-export default {
+const migration: DatabaseMigration.Migration = {
   id: "20260510033149_session_usage",
   up(tx) {
     return Effect.gen(function* () {
@@ -53,4 +53,6 @@ export default {
       `)
     })
   },
-} satisfies DatabaseMigration.Migration
+}
+
+export default migration

packages/core/src/database/migration/20260511000411_data_migration_state.ts

@@ -1,7 +1,7 @@
 import { Effect } from "effect"
 import type { DatabaseMigration } from "../migration"
 
-export default {
+const migration: DatabaseMigration.Migration = {
   id: "20260511000411_data_migration_state",
   up(tx) {
     return Effect.gen(function* () {
@@ -13,4 +13,6 @@ export default {
       `)
     })
   },
-} satisfies DatabaseMigration.Migration
+}
+
+export default migration

packages/core/src/database/migration/20260511173437_session-metadata.ts

@@ -1,7 +1,7 @@
 import { Effect } from "effect"
 import type { DatabaseMigration } from "../migration"
 
-export default {
+const migration: DatabaseMigration.Migration = {
   id: "20260511173437_session-metadata",
   up(tx) {
     return Effect.gen(function* () {
@@ -13,4 +13,6 @@ export default {
       yield* tx.run(`ALTER TABLE \`session\` ADD \`metadata\` text;`)
     })
   },
-} satisfies DatabaseMigration.Migration
+}
+
+export default migration

packages/core/src/database/migration/20260601010001_normalize_storage_paths.ts

@@ -1,7 +1,7 @@
 import { Effect } from "effect"
 import type { DatabaseMigration } from "../migration"
 
-export default {
+const migration: DatabaseMigration.Migration = {
   id: "20260601010001_normalize_storage_paths",
   up(tx) {
     return Effect.gen(function* () {
@@ -19,4 +19,6 @@ export default {
       )
     })
   },
-} satisfies DatabaseMigration.Migration
+}
+
+export default migration

packages/core/src/database/migration/20260601202201_amazing_prowler.ts

@@ -1,11 +1,13 @@
 import { Effect } from "effect"
 import type { DatabaseMigration } from "../migration"
 
-export default {
+const migration: DatabaseMigration.Migration = {
   id: "20260601202201_amazing_prowler",
   up(tx) {
     return Effect.gen(function* () {
       yield* tx.run(`DROP TABLE \`permission\`;`)
     })
   },
-} satisfies DatabaseMigration.Migration
+}
+
+export default migration

packages/core/src/database/migration/20260602002951_lowly_union_jack.ts

@@ -1,7 +1,7 @@
 import { Effect } from "effect"
 import type { DatabaseMigration } from "../migration"
 
-export default {
+const migration: DatabaseMigration.Migration = {
   id: "20260602002951_lowly_union_jack",
   up(tx) {
     return Effect.gen(function* () {
@@ -21,4 +21,6 @@ export default {
       )
     })
   },
-} satisfies DatabaseMigration.Migration
+}
+
+export default migration

packages/core/src/database/migration/20260602182828_add_project_directories.ts

@@ -1,7 +1,7 @@
 import { Effect } from "effect"
 import type { DatabaseMigration } from "../migration"
 
-export default {
+const migration: DatabaseMigration.Migration = {
   id: "20260602182828_add_project_directories",
   up(tx) {
     return Effect.gen(function* () {
@@ -17,4 +17,6 @@ export default {
       `)
     })
   },
-} satisfies DatabaseMigration.Migration
+}
+
+export default migration

packages/core/src/database/migration/20260603001617_session_message_projection_indexes.ts

@@ -1,7 +1,7 @@
 import { Effect } from "effect"
 import type { DatabaseMigration } from "../migration"
 
-export default {
+const migration: DatabaseMigration.Migration = {
   id: "20260603001617_session_message_projection_indexes",
   up(tx) {
     return Effect.gen(function* () {
@@ -16,4 +16,6 @@ export default {
       )
     })
   },
-} satisfies DatabaseMigration.Migration
+}
+
+export default migration

packages/core/src/database/migration/20260603040000_session_message_projection_order.ts

@@ -1,7 +1,7 @@
 import { Effect } from "effect"
 import type { DatabaseMigration } from "../migration"
 
-export default {
+const migration: DatabaseMigration.Migration = {
   id: "20260603040000_session_message_projection_order",
   up(tx) {
     return Effect.gen(function* () {
@@ -16,4 +16,6 @@ export default {
       )
     })
   },
-} satisfies DatabaseMigration.Migration
+}
+
+export default migration

packages/core/src/database/migration/20260603141458_session_input_inbox.ts

@@ -1,7 +1,7 @@
 import { Effect } from "effect"
 import type { DatabaseMigration } from "../migration"
 
-export default {
+const migration: DatabaseMigration.Migration = {
   id: "20260603141458_session_input_inbox",
   up(tx) {
     return Effect.gen(function* () {
@@ -22,4 +22,6 @@ export default {
       )
     })
   },
-} satisfies DatabaseMigration.Migration
+}
+
+export default migration

packages/core/src/database/migration/20260603160727_jittery_ezekiel_stane.ts

@@ -1,7 +1,7 @@
 import { Effect } from "effect"
 import type { DatabaseMigration } from "../migration"
 
-export default {
+const migration: DatabaseMigration.Migration = {
   id: "20260603160727_jittery_ezekiel_stane",
   up(tx) {
     return Effect.gen(function* () {
@@ -17,4 +17,6 @@ export default {
       )
     })
   },
-} satisfies DatabaseMigration.Migration
+}
+
+export default migration

packages/core/src/database/migration/20260604172448_event_sourced_session_input.ts

@@ -1,7 +1,7 @@
 import { Effect } from "effect"
 import type { DatabaseMigration } from "../migration"
 
-export default {
+const migration: DatabaseMigration.Migration = {
   id: "20260604172448_event_sourced_session_input",
   up(tx) {
     return Effect.gen(function* () {
@@ -44,4 +44,6 @@ export default {
       )
     })
   },
-} satisfies DatabaseMigration.Migration
+}
+
+export default migration

packages/core/src/database/migration/20260605003541_add_session_context_snapshot.ts

@@ -1,7 +1,7 @@
 import { Effect } from "effect"
 import type { DatabaseMigration } from "../migration"
 
-export default {
+const migration: DatabaseMigration.Migration = {
   id: "20260605003541_add_session_context_snapshot",
   up(tx) {
     return Effect.gen(function* () {
@@ -18,4 +18,6 @@ export default {
       `)
     })
   },
-} satisfies DatabaseMigration.Migration
+}
+
+export default migration

packages/core/src/database/migration/20260605042240_add_context_epoch_agent.ts

@@ -1,11 +1,13 @@
 import { Effect } from "effect"
 import type { DatabaseMigration } from "../migration"
 
-export default {
+const migration: DatabaseMigration.Migration = {
   id: "20260605042240_add_context_epoch_agent",
   up(tx) {
     return Effect.gen(function* () {
       yield* tx.run(`ALTER TABLE \`session_context_epoch\` ADD \`agent\` text DEFAULT 'build' NOT NULL;`)
     })
   },
-} satisfies DatabaseMigration.Migration
+}
+
+export default migration

packages/core/src/database/migration/20260611035744_credential.ts

@@ -1,7 +1,7 @@
 import { Effect } from "effect"
 import type { DatabaseMigration } from "../migration"
 
-export default {
+const migration: DatabaseMigration.Migration = {
   id: "20260611035744_credential",
   up(tx) {
     return Effect.gen(function* () {
@@ -22,4 +22,6 @@ export default {
       )
     })
   },
-} satisfies DatabaseMigration.Migration
+}
+
+export default migration

packages/core/src/database/migration/20260611192811_lush_chimera.ts

@@ -1,7 +1,7 @@
 import { Effect } from "effect"
 import type { DatabaseMigration } from "../migration"
 
-export default {
+const migration: DatabaseMigration.Migration = {
   id: "20260611192811_lush_chimera",
   up(tx) {
     return Effect.gen(function* () {
@@ -22,4 +22,6 @@ export default {
       `)
     })
   },
-} satisfies DatabaseMigration.Migration
+}
+
+export default migration

packages/core/src/database/migration/20260612174303_project_dir_strategy.ts

@@ -1,7 +1,7 @@
 import { Effect } from "effect"
 import type { DatabaseMigration } from "../migration"
 
-export default {
+const migration: DatabaseMigration.Migration = {
   id: "20260612174303_project_dir_strategy",
   up(tx) {
     return Effect.gen(function* () {
@@ -26,4 +26,6 @@ export default {
       yield* tx.run(`PRAGMA foreign_keys=ON;`)
     })
   },
-} satisfies DatabaseMigration.Migration
+}
+
+export default migration

packages/core/src/database/migration/20260622142730_simplify_session_context_epoch.ts

@@ -1,7 +1,7 @@
 import { Effect } from "effect"
 import type { DatabaseMigration } from "../migration"
 
-export default {
+const migration: DatabaseMigration.Migration = {
   id: "20260622142730_simplify_session_context_epoch",
   up(tx) {
     return Effect.gen(function* () {
@@ -10,4 +10,6 @@ export default {
       yield* tx.run(`ALTER TABLE \`session_context_epoch\` DROP COLUMN \`revision\`;`)
     })
   },
-} satisfies DatabaseMigration.Migration
+}
+
+export default migration

packages/core/src/database/migration/20260622170816_reset_v2_session_state.ts

@@ -1,7 +1,7 @@
 import { Effect } from "effect"
 import type { DatabaseMigration } from "../migration"
 
-export default {
+const migration: DatabaseMigration.Migration = {
   id: "20260622170816_reset_v2_session_state",
   up(tx) {
     return Effect.gen(function* () {
@@ -12,4 +12,6 @@ export default {
       yield* tx.run(`DELETE FROM \`event_sequence\`;`)
     })
   },
-} satisfies DatabaseMigration.Migration
+}
+
+export default migration

packages/core/src/database/migration/20260622202450_simplify_session_input.ts

@@ -1,7 +1,7 @@
 import { Effect } from "effect"
 import type { DatabaseMigration } from "../migration"
 
-export default {
+const migration: DatabaseMigration.Migration = {
   id: "20260622202450_simplify_session_input",
   up(tx) {
     return Effect.gen(function* () {
@@ -14,4 +14,6 @@ export default {
       yield* tx.run(`DELETE FROM \`workspace\`;`)
     })
   },
-} satisfies DatabaseMigration.Migration
+}
+
+export default migration

packages/core/src/database/migration/20260804233008_loose_psylocke.ts

@@ -1,7 +1,7 @@
 import { Effect } from "effect"
 import type { DatabaseMigration } from "../migration"
 
-export default {
+const migration: DatabaseMigration.Migration = {
   id: "20260804233008_loose_psylocke",
   up(tx) {
     return Effect.gen(function* () {
@@ -135,4 +135,6 @@ export default {
       yield* tx.run(`DROP TABLE \`session_input\`;`)
     })
   },
-} satisfies DatabaseMigration.Migration
+}
+
+export default migration

packages/core/src/database/migration/20260805200742_import_legacy_credentials.ts

@@ -30,12 +30,14 @@ const decodeJson = Schema.decodeUnknownOption(Schema.UnknownFromJsonString)
 const decodeValue = Schema.decodeUnknownOption(LegacyValue)
 const wellKnownSourcesKey = "wellknown:sources"
 
-export default {
+const migration: DatabaseMigration.Migration = {
   id: "20260805200742_import_legacy_credentials",
   up(tx) {
     return importLegacyCredentials(tx, path.join(Global.Path.data, "auth.json"))
   },
-} satisfies DatabaseMigration.Migration
+}
+
+export default migration
 
 export function importLegacyCredentials(tx: Parameters<DatabaseMigration.Migration["up"]>[0], filepath: string) {
   return Effect.gen(function* () {

packages/core/src/database/schema.gen.ts

@@ -1,7 +1,7 @@
 import { Effect } from "effect"
 import type { DatabaseMigration } from "./migration"
 
-export default {
+const schema: Omit<DatabaseMigration.Migration, "id"> = {
   up(tx) {
     return Effect.gen(function* () {
       yield* tx.run(`
@@ -248,4 +248,6 @@ export default {
       )
     })
   },
-} satisfies Omit<DatabaseMigration.Migration, "id">
+}
+
+export default schema

packages/core/src/instructions/index.ts

@@ -82,10 +82,10 @@ export class DuplicateKeyError extends Schema.TaggedErrorClass<DuplicateKeyError
   }
 }
 
-export const empty: Instructions = []
+export const empty: ReadonlyArray<Source> = []
 
 /** Closes a typed definition into one `Source`, so differently typed sources compose. */
-export function make<A>(source: Source.Definition<A>): Instructions {
+export function make<A>(source: Source.Definition<A>): ReadonlyArray<Source> {
   const decode = Schema.decodeUnknownOption(source.codec)
   const encode = Schema.encodeSync(source.codec)
   const initial = (value: A) => requireText(source.key, "initial", source.render.initial(value))
@@ -121,7 +121,7 @@ export function make<A>(source: Source.Definition<A>): Instructions {
   ]
 }
 
-export function combine(values: ReadonlyArray<Instructions>): Instructions {
+export function combine(values: ReadonlyArray<ReadonlyArray<Source>>): ReadonlyArray<Source> {
   const sources = values.flat()
   const keys = new Set<Key>()
   for (const source of sources) {
@@ -131,7 +131,7 @@ export function combine(values: ReadonlyArray<Instructions>): Instructions {
   return sources
 }
 
-export function read(value: Instructions): Effect.Effect<ReadResult> {
+export function read(value: ReadonlyArray<Source>): Effect.Effect<ReadResult> {
   return Effect.forEach(
     value,
     (source) => source.read.pipe(Effect.map((observed) => ({ key: source.key, value: observed }))),
@@ -158,7 +158,7 @@ export function diff(observed: ReadResult, previous?: Values): Effect.Effect<Adm
   return Effect.succeed({ delta, blobs })
 }
 
-export function renderInitial(value: Instructions, values: Readonly<Record<string, Schema.Json>>) {
+export function renderInitial(value: ReadonlyArray<Source>, values: Readonly<Record<string, Schema.Json>>) {
   return render(
     value.flatMap((source) => {
       if (!Object.hasOwn(values, source.key)) return []
@@ -169,7 +169,7 @@ export function renderInitial(value: Instructions, values: Readonly<Record<strin
 }
 
 export function renderUpdate(
-  value: Instructions,
+  value: ReadonlyArray<Source>,
   previous: Readonly<Record<string, Schema.Json>>,
   delta: Readonly<Record<string, Option.Option<Schema.Json>>>,
 ) {

packages/core/src/plugin/host.ts

@@ -340,12 +340,12 @@ export const make = Effect.fn("PluginHost.make")(function* (plugin: import("../p
       hook: (name, callback) => hooks.register("session", name, callback),
       create: (input) =>
         runtime.session.create({
-          id: input.id,
-          title: input.title,
-          agent: input.agent,
-          model: input.model,
+          id: input?.id,
+          title: input?.title,
+          agent: input?.agent,
+          model: input?.model,
           location:
-            input.location ?? Location.Ref.make({ directory: location.directory, workspaceID: location.workspaceID }),
+            input?.location ?? Location.Ref.make({ directory: location.directory, workspaceID: location.workspaceID }),
         }),
       get: (input) => runtime.session.get(input.sessionID),
       prompt: runtime.session.prompt,

packages/core/src/plugin/promise.ts

@@ -2,6 +2,7 @@ export * as PluginPromise from "./promise"
 
 import { define } from "@opencode-ai/plugin/effect/plugin"
 import type { Context, Plugin } from "@opencode-ai/plugin/promise/plugin"
+import type { SessionHooks, SessionHttp, SessionHttpMiddleware } from "@opencode-ai/plugin/promise/session"
 import type { Info } from "@opencode-ai/plugin/promise/tool"
 import { Agent } from "@opencode-ai/schema/agent"
 import { Integration } from "@opencode-ai/schema/integration"
@@ -57,6 +58,62 @@ export function fromPromise(plugin: Plugin) {
               }),
             )
 
+        function sessionHook<Name extends keyof SessionHooks>(
+          name: Name,
+          callback: (event: SessionHooks[Name]) => Promise<void> | void,
+        ): Promise<Registration>
+        function sessionHook(
+          ...registration: {
+            [Name in keyof SessionHooks]: [
+              name: Name,
+              callback: (event: SessionHooks[Name]) => Promise<void> | void,
+            ]
+          }[keyof SessionHooks]
+        ) {
+          if (registration[0] !== "http")
+            return register(
+              host.session.hook(registration[0], (event) =>
+                Effect.promise(() => Promise.resolve(registration[1](event))),
+              ),
+            )
+          return register(
+            host.session.hook("http", (event) => {
+              const middlewares: SessionHttpMiddleware[] = []
+              const output: SessionHttp = {
+                ...event,
+                use: (item) => {
+                  middlewares.push(item)
+                },
+              }
+              return Effect.promise(() => Promise.resolve(registration[1](output))).pipe(
+                Effect.flatMap(() =>
+                  Effect.forEach(
+                    middlewares,
+                    (item) =>
+                      event.use((input, next) =>
+                        Effect.tryPromise({
+                          try: (signal) => {
+                            const inputSignal = AbortSignal.any([signal, input.signal])
+                            return Promise.resolve(
+                              item(new Request(input, { signal: inputSignal }), (request) => {
+                                const requestSignal = AbortSignal.any([signal, request.signal])
+                                return Effect.runPromiseWith(
+                                  context,
+                                )(next(new Request(request, { signal: requestSignal })), { signal: requestSignal })
+                              }),
+                            )
+                          },
+                          catch: (cause) => (cause instanceof Error ? cause : new Error(String(cause))),
+                        }),
+                      ),
+                    { discard: true },
+                  ),
+                ),
+              )
+            }),
+          )
+        }
+
         const context2: Context = {
           app: host.app,
           options: host.options,
@@ -265,25 +322,28 @@ export function fromPromise(plugin: Plugin) {
               ),
           },
           session: {
-            hook: (name, callback) =>
-              register(host.session.hook(name, (event) => Effect.promise(() => Promise.resolve(callback(event))))),
+            hook: sessionHook,
             create: (input) =>
               run(
-                host.session.create({
-                  id: input.id == null ? undefined : Session.ID.make(input.id),
-                  agent: Agent.ID.make(input.agent),
-                  model: model(input.model),
-                  location:
-                    input.location == null
-                      ? undefined
-                      : Location.Ref.make({
-                          directory: AbsolutePath.make(input.location.directory),
-                          workspaceID:
-                            input.location.workspaceID === undefined
-                              ? undefined
-                              : Workspace.ID.make(input.location.workspaceID),
-                        }),
-                }),
+                host.session.create(
+                  input === undefined
+                    ? undefined
+                    : {
+                        id: input.id == null ? undefined : Session.ID.make(input.id),
+                        agent: input.agent == null ? undefined : Agent.ID.make(input.agent),
+                        model: input.model == null ? undefined : model(input.model),
+                        location:
+                          input.location == null
+                            ? undefined
+                            : Location.Ref.make({
+                                directory: AbsolutePath.make(input.location.directory),
+                                workspaceID:
+                                  input.location.workspaceID === undefined
+                                    ? undefined
+                                    : Workspace.ID.make(input.location.workspaceID),
+                              }),
+                      },
+                ),
               ),
             get: (input) => run(host.session.get({ sessionID: Session.ID.make(input.sessionID) })),
             prompt: (input) =>

packages/core/src/plugin/provider/openai.ts

@@ -221,18 +221,18 @@ export const OpenAIPlugin = define({
           }
           draft.cost = []
           // Match Codex CLI so context consumption and subscription usage stay consistent between clients.
-          draft.limit = { ...draft.limit, context: 400_000, input: 272_000 }
+          draft.limit = { ...draft.limit, context: 272_000, input: 272_000 }
         })
       }
     })
-    yield* ctx.session.hook("http.request", (evt) =>
-      Effect.sync(() => {
-        if (!chatgpt || evt.model.providerID !== Provider.ID.openai) return
-        const url = new URL(evt.request.url)
-        evt.request.headers.set("originator", "opencode")
-        evt.request.headers.set("session-id", evt.sessionID)
-        if (url.origin !== "https://api.openai.com") return
-        evt.request = new Request(`${codexBaseURL}${url.pathname.replace(/^\/v1/, "")}${url.search}`, evt.request)
+    yield* ctx.session.hook("http", (evt) =>
+      evt.use((request, next) => {
+        if (!chatgpt || evt.model.providerID !== Provider.ID.openai) return next(request)
+        const url = new URL(request.url)
+        request.headers.set("originator", "opencode")
+        request.headers.set("session-id", evt.sessionID)
+        if (url.origin !== "https://api.openai.com") return next(request)
+        return next(new Request(`${codexBaseURL}${url.pathname.replace(/^\/v1/, "")}${url.search}`, request))
       }),
     )
 

packages/core/src/session/compaction.ts

@@ -20,7 +20,7 @@ import type { Info } from "../model"
 import { SessionUsage } from "./usage"
 
 const DEFAULT_BUFFER = 20_000
-const DEFAULT_KEEP_TOKENS = 15_000
+const DEFAULT_KEEP_TOKENS = 8_000
 const OUTPUT_TOKEN_MAX = 32_000
 const TOOL_OUTPUT_MAX_CHARS = 2_000
 const SUMMARY_TEMPLATE = `Output exactly the Markdown structure shown inside <template> and keep the section order unchanged. Do not include the <template> tags in your response.

packages/core/src/session/model-request.ts

@@ -2,6 +2,7 @@ export * as SessionModelRequest from "./model-request"
 
 import { LLM, Message, SystemPart, type LLMRequest } from "@opencode-ai/ai"
 import type { StreamOptions } from "@opencode-ai/ai/route"
+import type { SessionHttpHandler, SessionHttpMiddleware } from "@opencode-ai/plugin/effect/session"
 import type { Content } from "@opencode-ai/schema/tool"
 import { SessionError } from "@opencode-ai/schema/session-error"
 import { Cause, Config, Context, Effect, Layer, Result, Stream } from "effect"
@@ -229,31 +230,44 @@ export const layer = Layer.effect(
       const options: StreamOptions = {
         http: (request, handler) =>
           Effect.gen(function* () {
-            const before = yield* hooks.trigger("session", "http.request", {
+            let latest = request
+            const origins = new WeakMap<Response, HttpClientRequest.HttpClientRequest>()
+            const middlewares: SessionHttpMiddleware[] = []
+            const web = yield* HttpClientRequest.toWeb(request)
+            yield* hooks.trigger("session", "http", {
               sessionID: session.id,
               agent: agent.id,
               model: resolved.ref,
-              request: yield* HttpClientRequest.toWeb(request),
+              use: (item) =>
+                Effect.sync(() => {
+                  middlewares.push(item)
+                }),
             })
-            let sent = HttpClientRequest.fromWeb(before.request)
-            if (before.request.body)
-              sent = HttpClientRequest.bodyUint8Array(
-                sent,
-                new Uint8Array(yield* Effect.promise(() => before.request.clone().arrayBuffer())),
-                before.request.headers.get("content-type") ?? undefined,
-              )
-            const response = yield* handler(sent)
-            const after = yield* hooks.trigger("session", "http.response", {
-              sessionID: session.id,
-              agent: agent.id,
-              model: resolved.ref,
-              request: before.request,
-              response: new Response(
-                [204, 205, 304].includes(response.status) ? null : yield* Stream.toReadableStreamEffect(response.stream),
-                { status: response.status, headers: response.headers },
-              ),
-            })
-            return HttpClientResponse.fromWeb(sent, after.response)
+            const send = (input: Request) =>
+              Effect.gen(function* () {
+                let sent = HttpClientRequest.fromWeb(input)
+                if (input.body)
+                  sent = HttpClientRequest.bodyUint8Array(
+                    sent,
+                    new Uint8Array(yield* Effect.promise(() => input.clone().arrayBuffer())),
+                    input.headers.get("content-type") ?? undefined,
+                  )
+                latest = sent
+                const response = yield* handler(sent)
+                const body = [204, 205, 304].includes(response.status)
+                  ? null
+                  : yield* Stream.toReadableStreamEffect(response.stream)
+                const output = new Response(body, { status: response.status, headers: response.headers })
+                origins.set(output, sent)
+                return output
+              })
+            const dispatch = middlewares.reduce<SessionHttpHandler>(
+              (next, item) => (input: Request) => item(input, next),
+              send,
+            )
+            const response = yield* dispatch(web)
+            const origin = origins.get(response) ?? latest
+            return HttpClientResponse.fromWeb(origin, response)
           }).pipe(Effect.mapError((cause) => (cause instanceof Error ? cause : new Error(String(cause))))),
       }
       if (promptCacheSnapshots) {

packages/core/src/session/transfer.ts

@@ -1,323 +0,0 @@
-export * as SessionTransfer from "./transfer"
-
-import { SessionTransfer } from "@opencode-ai/schema/session-transfer"
-import { Tool } from "@opencode-ai/schema/tool"
-import { eq, isNotNull, isNull, ne, or } from "drizzle-orm"
-import { Context, DateTime, Effect, Layer, Schema } from "effect"
-import path from "path"
-import { makeGlobalNode } from "@opencode-ai/util/effect/app-node"
-import { App } from "../app"
-import { Bus } from "../bus"
-import { Database } from "../database/database"
-import { Location } from "../location"
-import { Project } from "../project"
-import { ProjectTable } from "../project/sql"
-import { AbsolutePath, RelativePath } from "../schema"
-import { Session } from "../session"
-import { Slug } from "../util/slug"
-import { SessionEvent } from "./event"
-import { SessionMessage } from "./message"
-import { SessionProjector } from "./projector"
-import { SessionMessageTable, SessionTable } from "./sql"
-
-export const Data = SessionTransfer.Data
-export type Data = SessionTransfer.Data
-
-export class ImportConflictError extends Schema.TaggedErrorClass<ImportConflictError>()(
-  "SessionTransfer.ImportConflictError",
-  { sessionID: Session.ID },
-) {}
-
-export interface Interface {
-  readonly export: (input: {
-    sessionID: Session.ID
-    sanitize?: boolean
-  }) => Effect.Effect<Data, Session.NotFoundError | Session.MessageDecodeError>
-  readonly import: (input: {
-    data: Data
-    location: Location.Ref
-  }) => Effect.Effect<Session.Info, ImportConflictError>
-}
-
-export class Service extends Context.Service<Service, Interface>()("@opencode/SessionTransfer") {}
-
-const layer = Layer.effect(
-  Service,
-  Effect.gen(function* () {
-    const app = yield* App.Metadata
-    const bus = yield* Bus.Service
-    const { db } = yield* Database.Service
-    const projects = yield* Project.Service
-    const sessions = yield* Session.Service
-    const encodeMessage = Schema.encodeSync(SessionMessage.Info)
-
-    const persistProject = (project: Project.Resolved) => {
-      const vcs = project.vcs?.type
-      return db
-        .insert(ProjectTable)
-        .values({ id: project.id, worktree: project.canonical, vcs, sandboxes: [] })
-        .onConflictDoUpdate({
-          target: ProjectTable.id,
-          set: { worktree: project.canonical, vcs: vcs ?? null },
-          setWhere: or(
-            ne(ProjectTable.worktree, project.canonical),
-            vcs ? or(isNull(ProjectTable.vcs), ne(ProjectTable.vcs, vcs)) : isNotNull(ProjectTable.vcs),
-          ),
-        })
-        .run()
-        .pipe(Effect.orDie)
-    }
-
-    return Service.of({
-      export: Effect.fn("SessionTransfer.export")(function* (input) {
-        const data = {
-          info: yield* sessions.get(input.sessionID),
-          messages: yield* sessions.messages({ sessionID: input.sessionID, order: "asc" }),
-        }
-        return input.sanitize ? sanitize(data) : data
-      }),
-      import: Effect.fn("SessionTransfer.import")(function* (input) {
-        const sessionID = input.data.info.id
-        const recorded = yield* db
-          .select({ id: SessionTable.id })
-          .from(SessionTable)
-          .where(eq(SessionTable.id, sessionID))
-          .get()
-          .pipe(Effect.orDie)
-        if (recorded) return yield* new ImportConflictError({ sessionID })
-        const project = yield* projects.resolve(input.location.directory)
-        yield* persistProject(project)
-        const messages = input.data.messages.map((message, index) => {
-          const encoded = encodeMessage(message)
-          const { id: _, type, ...data } = encoded
-          return {
-            id: message.id,
-            session_id: sessionID,
-            type,
-            seq: index + 1,
-            time_created: DateTime.toEpochMillis(message.time.created),
-            data,
-          }
-        })
-        yield* bus
-          .publish(
-            SessionEvent.Created,
-            {
-              sessionID,
-              slug: Slug.create(),
-              version: app.version,
-              projectID: project.id,
-              location: input.location,
-              subpath: RelativePath.make(path.relative(project.directory, input.location.directory).replaceAll("\\", "/")),
-              title: input.data.info.title,
-              agent: input.data.info.agent,
-              model: input.data.info.model,
-            },
-            {
-              location: input.location,
-              commit: (seq) =>
-                Effect.gen(function* () {
-                  if (messages.length > 0) {
-                    yield* db.insert(SessionMessageTable).values(messages).run().pipe(Effect.orDie)
-                    yield* Bus.reserveSequence(db, sessionID, seq + messages.length)
-                  }
-                  yield* db
-                    .update(SessionTable)
-                    .set({
-                      cost: input.data.info.cost,
-                      tokens_input: input.data.info.tokens.input,
-                      tokens_output: input.data.info.tokens.output,
-                      tokens_reasoning: input.data.info.tokens.reasoning,
-                      tokens_cache_read: input.data.info.tokens.cache.read,
-                      tokens_cache_write: input.data.info.tokens.cache.write,
-                      time_created: DateTime.toEpochMillis(input.data.info.time.created),
-                      time_updated: DateTime.toEpochMillis(input.data.info.time.updated),
-                      time_archived: input.data.info.time.archived
-                        ? DateTime.toEpochMillis(input.data.info.time.archived)
-                        : null,
-                    })
-                    .where(eq(SessionTable.id, sessionID))
-                    .run()
-                    .pipe(Effect.orDie)
-                }),
-            },
-          )
-          .pipe(
-            Effect.catchDefect((defect) =>
-              defect instanceof SessionProjector.SessionAlreadyProjected
-                ? Effect.fail(new ImportConflictError({ sessionID }))
-                : Effect.die(defect),
-            ),
-          )
-        return yield* sessions.get(sessionID).pipe(Effect.orDie)
-      }),
-    })
-  }),
-)
-
-export const node = makeGlobalNode({
-  service: Service,
-  layer,
-  deps: [App.node, Bus.node, Database.node, Project.node, Session.node],
-})
-
-function redact(kind: string, id: string, value: string) {
-  return value.trim() ? `[redacted:${kind}:${id}]` : value
-}
-
-function metadata(kind: string, id: string, value: Readonly<Record<string, unknown>> | undefined) {
-  if (!value) return value
-  return Object.keys(value).length > 0 ? { redacted: `${kind}:${id}` } : value
-}
-
-function sanitize(data: Data): Data {
-  return {
-    info: {
-      ...data.info,
-      title: data.info.title === undefined ? undefined : redact("session-title", data.info.id, data.info.title),
-      location: {
-        ...data.info.location,
-        directory: AbsolutePath.make(`/${redact("session-directory", data.info.id, data.info.location.directory)}`),
-      },
-      revert: data.info.revert
-        ? {
-            ...data.info.revert,
-            files: data.info.revert.files?.map((file, index) => ({
-              ...file,
-              file: redact("revert-file", String(index), file.file),
-              patch: redact("revert-patch", String(index), file.patch),
-            })),
-          }
-        : undefined,
-    },
-    messages: data.messages.map(sanitizeMessage),
-  }
-}
-
-function sanitizeMessage(message: SessionMessage.Info): SessionMessage.Info {
-  const meta = metadata("message-metadata", message.id, message.metadata)
-  if (message.type === "user")
-    return {
-      ...message,
-      metadata: meta,
-      text: redact("text", message.id, message.text),
-      files: message.files?.map((file, index) => ({
-        ...file,
-        data: "",
-        source: { type: "inline" },
-        name: file.name === undefined ? undefined : redact("file-name", String(index), file.name),
-        description:
-          file.description === undefined ? undefined : redact("file-description", String(index), file.description),
-        mention: file.mention
-          ? { ...file.mention, text: redact("file-mention", String(index), file.mention.text) }
-          : undefined,
-      })),
-      agents: message.agents?.map((agent, index) => ({
-        ...agent,
-        name: redact("agent-name", String(index), agent.name),
-        mention: agent.mention
-          ? { ...agent.mention, text: redact("agent-mention", String(index), agent.mention.text) }
-          : undefined,
-      })),
-    }
-  if (message.type === "synthetic")
-    return {
-      ...message,
-      metadata: meta,
-      text: redact("synthetic", message.id, message.text),
-      description:
-        message.description === undefined
-          ? undefined
-          : redact("synthetic-description", message.id, message.description),
-    }
-  if (message.type === "system")
-    return { ...message, metadata: meta, text: redact("system", message.id, message.text) }
-  if (message.type === "skill") return { ...message, metadata: meta, text: redact("skill", message.id, message.text) }
-  if (message.type === "shell")
-    return {
-      ...message,
-      metadata: meta,
-      command: redact("shell-command", message.id, message.command),
-      output: message.output
-        ? { ...message.output, output: redact("shell-output", message.id, message.output.output) }
-        : undefined,
-    }
-  if (message.type === "assistant")
-    return {
-      ...message,
-      metadata: meta,
-      content: message.content.map((content) => {
-        if (content.type === "text")
-          return {
-            ...content,
-            text: redact("text", message.id, content.text),
-            state: content.state ? { redacted: `text-state:${message.id}` } : undefined,
-          }
-        if (content.type === "reasoning")
-          return {
-            ...content,
-            text: redact("reasoning", message.id, content.text),
-            state: content.state ? { redacted: `reasoning-state:${message.id}` } : undefined,
-          }
-        return {
-          ...content,
-          providerState: content.providerState ? { redacted: `tool-provider-state:${message.id}` } : undefined,
-          providerResultState: content.providerResultState
-            ? { redacted: `tool-provider-result-state:${message.id}` }
-            : undefined,
-          state: sanitizeToolState(message.id, content.state),
-        }
-      }),
-    }
-  if (message.type === "compaction") {
-    if (message.status === "failed")
-      return {
-        ...message,
-        metadata: meta,
-      }
-    return {
-      ...message,
-      metadata: meta,
-      summary: redact("compaction-summary", message.id, message.summary),
-      recent: redact("compaction-recent", message.id, message.recent),
-    }
-  }
-  return { ...message, metadata: meta }
-}
-
-function sanitizeToolState(id: string, state: SessionMessage.ToolState): SessionMessage.ToolState {
-  if (state.status === "streaming") return { ...state, input: redact("tool-input", id, state.input) }
-  if (state.status === "running")
-    return { ...state, input: { redacted: `tool-input:${id}` }, metadata: { redacted: `tool-metadata:${id}` } }
-  const meta = state.metadata === undefined ? undefined : { redacted: `tool-metadata:${id}` }
-  if (state.status === "completed")
-    return {
-      ...state,
-      input: { redacted: `tool-input:${id}` },
-      content: [
-        sanitizeToolContent(id, state.content[0]),
-        ...state.content.slice(1).map((item) => sanitizeToolContent(id, item)),
-      ],
-      metadata: meta,
-    }
-  return {
-    ...state,
-    input: { redacted: `tool-input:${id}` },
-    content: state.content
-      ? [
-          sanitizeToolContent(id, state.content[0]),
-          ...state.content.slice(1).map((item) => sanitizeToolContent(id, item)),
-        ]
-      : undefined,
-    metadata: meta,
-  }
-}
-
-function sanitizeToolContent(id: string, content: Tool.Content): Tool.Content {
-  if (content.type === "text") return { ...content, text: redact("tool-output", id, content.text) }
-  return {
-    ...content,
-    uri: redact("tool-file-uri", id, content.uri),
-    name: content.name === undefined ? undefined : redact("tool-file-name", id, content.name),
-  }
-}

packages/core/src/tool/plugin/websearch.ts

@@ -2,7 +2,7 @@ export * as WebSearchTool from "./websearch"
 
 import type { Context as PluginContext } from "@opencode-ai/plugin/effect/plugin"
 import { ToolFailure } from "@opencode-ai/ai"
-import { Effect, Schema, Semaphore } from "effect"
+import { Effect, Schema } from "effect"
 import { Form } from "../../form"
 import { KV } from "../../kv"
 import { Permission } from "../../permission"
@@ -10,7 +10,6 @@ import { WebSearch } from "../../websearch"
 
 export const name = "websearch"
 export const NO_RESULTS = "No search results found. Please try a different query."
-const providerSelectionLock = Semaphore.makeUnsafe(1)
 
 export const description = `Search the web using the user's selected search integration. Use this for current information beyond knowledge cutoff.
 
@@ -30,7 +29,6 @@ export const Plugin = {
     const permission = yield* Permission.Service
     const forms = yield* Form.Service
     const kv = yield* KV.Service
-    const websearch = yield* WebSearch.Service
 
     yield* ctx.tool
       .transform((draft) =>
@@ -51,90 +49,70 @@ export const Plugin = {
                 agent: context.agent,
                 source: { type: "tool", messageID: context.messageID, id: context.id },
               })
-              const search = (): Effect.Effect<Effect.Success<ReturnType<typeof ctx.websearch.query>>, unknown> =>
-                ctx.websearch.query(input).pipe(
-                  Effect.catch((error) => {
-                    if (!Schema.is(WebSearch.ProviderRequiredError)(error)) return Effect.fail(error)
-                    return providerSelectionLock
-                      .withPermit(
-                        Effect.gen(function* () {
-                          if (yield* websearch.default()) return yield* Effect.void
-                          const providers = (yield* ctx.websearch.providers()).data
-                          const defaultProvider = providers[0]
-                          if (!defaultProvider) return yield* new WebSearch.ProviderRequiredError()
-                          const response = yield* forms.ask({
+              const result = yield* ctx.websearch.query(input).pipe(
+                Effect.catch((error) => {
+                  if (!Schema.is(WebSearch.ProviderRequiredError)(error)) return Effect.fail(error)
+                  return Effect.gen(function* () {
+                    const providers = (yield* ctx.websearch.providers()).data
+                    const defaultProvider = providers[0]
+                    if (!defaultProvider) return yield* new WebSearch.ProviderRequiredError()
+                    const response = yield* forms.ask({
+                      sessionID: context.sessionID,
+                      title: "Web Search",
+                      metadata: { kind: "websearch.provider" },
+                      fields: [
+                        {
+                          key: "choice",
+                          description: "Allow OpenCode to search the web for up-to-date information?",
+                          type: "string",
+                          required: true,
+                          custom: false,
+                          options: [
+                            {
+                              value: "allow",
+                              label: `Allow web search via ${defaultProvider.name}`,
+                            },
+                            {
+                              value: "choose",
+                              label: "Choose another provider",
+                            },
+                            { value: "disable", label: "Disable web search" },
+                          ],
+                        },
+                      ],
+                    })
+                    if (response.status === "cancelled") return yield* Effect.fail(new Error("Web search cancelled"))
+                    if (response.answer.choice === "disable") {
+                      yield* kv.set("websearch:provider", false)
+                      return yield* new WebSearch.DisabledError()
+                    }
+                    const selection =
+                      response.answer.choice === "choose"
+                        ? yield* forms.ask({
                             sessionID: context.sessionID,
-                            title: "Web Search",
+                            title: "Choose a web search provider",
                             metadata: { kind: "websearch.provider" },
                             fields: [
                               {
-                                key: "choice",
-                                description: "Allow OpenCode to search the web for up-to-date information?",
+                                key: "provider",
+                                description: "Choose a provider for web search.",
                                 type: "string",
                                 required: true,
                                 custom: false,
-                                options: [
-                                  {
-                                    value: "allow",
-                                    label: `Allow web search via ${defaultProvider.name}`,
-                                  },
-                                  {
-                                    value: "choose",
-                                    label: "Choose another provider",
-                                  },
-                                  { value: "disable", label: "Disable web search" },
-                                ],
+                                options: providers.map((provider) => ({ value: provider.id, label: provider.name })),
                               },
                             ],
                           })
-                          if (response.status === "cancelled")
-                            return yield* Effect.fail(new Error("Web search cancelled"))
-                          if (response.answer.choice === "disable") {
-                            yield* kv.set("websearch:provider", false)
-                            return yield* new WebSearch.DisabledError()
-                          }
-                          const selection =
-                            response.answer.choice === "choose"
-                              ? yield* forms.ask({
-                                  sessionID: context.sessionID,
-                                  title: "Choose a web search provider",
-                                  metadata: { kind: "websearch.provider" },
-                                  fields: [
-                                    {
-                                      key: "provider",
-                                      description: "Choose a provider for web search.",
-                                      type: "string",
-                                      required: true,
-                                      custom: false,
-                                      options: providers.map((provider) => ({
-                                        value: provider.id,
-                                        label: provider.name,
-                                      })),
-                                    },
-                                  ],
-                                })
-                              : undefined
-                          if (selection?.status === "cancelled")
-                            return yield* Effect.fail(new Error("Web search cancelled"))
-                          const providerID = selection?.answer.provider ?? defaultProvider.id
-                          if (
-                            typeof providerID !== "string" ||
-                            !providers.some((provider) => provider.id === providerID)
-                          )
-                            return yield* new WebSearch.ProviderRequiredError()
-                          return yield* kv.set("websearch:provider", providerID)
-                        }),
-                      )
-                      .pipe(
-                        Effect.timeoutOrElse({
-                          duration: "1 minute",
-                          orElse: () => Effect.fail(new Error("Web search cancelled")),
-                        }),
-                        Effect.andThen(Effect.suspend(search)),
-                      )
-                  }),
-                )
-              const result = yield* search()
+                        : undefined
+                    if (selection?.status === "cancelled") return yield* Effect.fail(new Error("Web search cancelled"))
+                    const providerID = selection?.answer.provider ?? defaultProvider.id
+                    if (typeof providerID !== "string" || !providers.some((provider) => provider.id === providerID))
+                      return yield* new WebSearch.ProviderRequiredError()
+                    yield* kv.set("websearch:provider", providerID)
+                    return yield* ctx.websearch.query(input)
+                  })
+                }),
+              )
               const output = {
                 provider: result.data.providerID,
                 results: result.data.results,

packages/core/src/util/error.ts

@@ -13,54 +13,13 @@ export abstract class NamedError extends Error {
   static create<Name extends string, Fields extends Schema.Struct.Fields>(
     name: Name,
     fields: Fields,
-  ): ReturnType<typeof NamedError.createSchemaClass<Name, Schema.Struct<Fields>>>
+  ): ReturnType<typeof createSchemaClass<Name, Schema.Struct<Fields>>>
   static create<Name extends string, DataSchema extends Schema.Top>(
     name: Name,
     data: DataSchema,
-  ): ReturnType<typeof NamedError.createSchemaClass<Name, DataSchema>>
+  ): ReturnType<typeof createSchemaClass<Name, DataSchema>>
   static create<Name extends string>(name: Name, data: Schema.Top | Schema.Struct.Fields) {
-    return NamedError.createSchemaClass(name, Schema.isSchema(data) ? data : Schema.Struct(data))
-  }
-
-  private static createSchemaClass<Name extends string, DataSchema extends Schema.Top>(name: Name, data: DataSchema) {
-    const schema = Schema.Struct({
-      name: Schema.Literal(name),
-      data,
-    }).annotate({ identifier: name })
-    type Data = Schema.Schema.Type<DataSchema>
-
-    const result = class extends NamedError {
-      public static readonly Schema = schema
-      public static readonly EffectSchema = schema
-      public static readonly tag = name
-
-      public override readonly name = name
-
-      constructor(
-        public readonly data: Data,
-        options?: ErrorOptions,
-      ) {
-        super(name, options)
-        this.name = name
-      }
-
-      static isInstance(input: unknown): input is InstanceType<typeof result> {
-        return NamedError.hasName(input, name)
-      }
-
-      schema() {
-        return schema
-      }
-
-      toObject() {
-        return {
-          name: name,
-          data: this.data,
-        }
-      }
-    }
-    Object.defineProperty(result, "name", { value: name })
-    return result
+    return createSchemaClass(name, Schema.isSchema(data) ? data : Schema.Struct(data), this)
   }
 
   public static readonly Unknown = NamedError.create("UnknownError", {
@@ -68,3 +27,48 @@ export abstract class NamedError extends Error {
     ref: Schema.optional(Schema.String),
   })
 }
+
+function createSchemaClass<Name extends string, DataSchema extends Schema.Top>(
+  name: Name,
+  data: DataSchema,
+  base: typeof NamedError = NamedError,
+) {
+  const schema = Schema.Struct({
+    name: Schema.Literal(name),
+    data,
+  }).annotate({ identifier: name })
+  type Data = Schema.Schema.Type<DataSchema>
+
+  const result = class extends base {
+    public static readonly Schema = schema
+    public static readonly EffectSchema = schema
+    public static readonly tag = name
+
+    public override readonly name = name
+
+    constructor(
+      public readonly data: Data,
+      options?: ErrorOptions,
+    ) {
+      super(name, options)
+      this.name = name
+    }
+
+    static isInstance(input: unknown): input is InstanceType<typeof result> {
+      return base.hasName(input, name)
+    }
+
+    schema() {
+      return schema
+    }
+
+    toObject() {
+      return {
+        name: name,
+        data: this.data,
+      }
+    }
+  }
+  Object.defineProperty(result, "name", { value: name })
+  return result
+}

packages/core/src/v1/config/migrate.ts

@@ -1,8 +1,5 @@
 export * as ConfigMigrateV1 from "./migrate"
 
-import { Info } from "@opencode-ai/schema/config"
-import { ConfigAgent } from "@opencode-ai/schema/config/agent"
-import { Schema } from "effect"
 import { ConfigV1 } from "./config"
 import { ConfigAgentV1 } from "./agent"
 import { ConfigCommandV1 } from "./command"
@@ -13,54 +10,82 @@ import { ConfigProviderOptionsV1 } from "./provider-options"
 import { Provider } from "../../provider"
 import { Model } from "../../model"
 
-const decodeOptions = { errors: "all", onExcessProperty: "ignore", propertyOrder: "original" } as const
-const decodeInfo = Schema.decodeUnknownSync(Schema.fromJsonString(Info), decodeOptions)
-const encodeInfo = Schema.encodeSync(Info)
-const decodeAgent = Schema.decodeUnknownSync(Schema.fromJsonString(ConfigAgent.Info), decodeOptions)
-const encodeAgent = Schema.encodeSync(ConfigAgent.Info)
-export function migrate(info: typeof ConfigV1.Info.Type) {
-  return encodeInfo(
-    decodeInfo(
-      JSON.stringify({
-        $schema: info.$schema,
-        shell: info.shell,
-        model: modelSelection(info.model),
-        default_agent: info.default_agent,
-        autoupdate: info.autoupdate,
-        share: info.share ?? (info.autoshare ? "auto" : undefined),
-        enterprise: info.enterprise,
-        username: info.username,
-        permissions: permissions(info.permission, info.tools),
-        agents: agents(info),
-        snapshots: info.snapshot,
-        watcher: info.watcher,
-        formatter: info.formatter,
-        lsp: info.lsp,
-        media: info.attachment,
-        tool_output: info.tool_output,
-        mcp: mcp(info),
-        compaction: info.compaction && {
-          auto: info.compaction.auto,
-          prune: info.compaction.prune,
-          keep: {
-            tokens: info.compaction.preserve_recent_tokens,
-          },
-          buffer: info.compaction.reserved,
-        },
-        skills: info.skills && [...(info.skills.paths ?? []), ...(info.skills.urls ?? [])],
-        commands: commands(info.command),
-        instructions: info.instructions,
-        references: info.references ?? info.reference,
-        experimental: experimental(info),
-        plugins: info.plugin?.map((plugin) =>
-          typeof plugin === "string" ? plugin : { package: plugin[0], options: plugin[1] },
-        ),
-        providers: providers(info.provider),
-      }),
-    ),
+const keys = new Set([
+  "logLevel",
+  "server",
+  "command",
+  "reference",
+  "snapshot",
+  "plugin",
+  "autoshare",
+  "disabled_providers",
+  "enabled_providers",
+  "small_model",
+  "mode",
+  "agent",
+  "provider",
+  "permission",
+  "tools",
+  "attachment",
+  "layout",
+])
+
+export function isV1(input: unknown) {
+  if (typeof input !== "object" || input === null || Array.isArray(input)) return false
+  const record = input as Record<string, unknown>
+  if (Object.keys(record).some((key) => keys.has(key))) return true
+  // `mcp` exists in both versions, so presence alone is ambiguous: v1 lists servers directly under
+  // `mcp`, while v2 nests them under `mcp.servers`. Only the v1 shape (a server entry with `type`)
+  // counts, so a bare `mcp`-only file still migrates instead of silently parsing to zero servers.
+  const mcp = record.mcp
+  return (
+    typeof mcp === "object" &&
+    mcp !== null &&
+    !Array.isArray(mcp) &&
+    !("servers" in mcp) &&
+    Object.values(mcp).some((server) => typeof server === "object" && server !== null && "type" in server)
   )
 }
 
+export function migrate(info: typeof ConfigV1.Info.Type) {
+  return {
+    $schema: info.$schema,
+    shell: info.shell,
+    model: modelSelection(info.model),
+    default_agent: info.default_agent,
+    autoupdate: info.autoupdate,
+    share: info.share ?? (info.autoshare ? "auto" : undefined),
+    enterprise: info.enterprise,
+    username: info.username,
+    permissions: permissions(info.permission, info.tools),
+    agents: agents(info),
+    snapshots: info.snapshot,
+    watcher: info.watcher,
+    formatter: info.formatter,
+    lsp: info.lsp,
+    media: info.attachment,
+    tool_output: info.tool_output,
+    mcp: mcp(info),
+    compaction: info.compaction && {
+      auto: info.compaction.auto,
+      prune: info.compaction.prune,
+      keep: {
+        tokens: info.compaction.preserve_recent_tokens,
+      },
+      buffer: info.compaction.reserved,
+    },
+    skills: info.skills && [...(info.skills.paths ?? []), ...(info.skills.urls ?? [])],
+    commands: commands(info.command),
+    instructions: info.instructions,
+    references: info.references ?? info.reference,
+    experimental: experimental(info),
+    plugins: info.plugin?.map((plugin) =>
+      typeof plugin === "string" ? plugin : { package: plugin[0], options: plugin[1] },
+    ),
+    providers: providers(info.provider),
+  }
+}
+
 function experimental(info: typeof ConfigV1.Info.Type) {
   const policies = [
     ...(info.enabled_providers === undefined
@@ -107,7 +132,7 @@ function permissions(info?: ConfigPermissionV1.Info, tools?: Readonly<Record<str
 }
 
 // Map v1 permission/tool keys onto their renamed v2 tool actions so migrated rules keep matching.
-export function normalizeAction(action: string) {
+function normalizeAction(action: string) {
   if (action === "write" || action === "patch") return "edit"
   if (action === "task") return "subagent"
   if (action === "bash") return "shell"
@@ -129,25 +154,21 @@ export function migrateAgent(info: ConfigAgentV1.Info) {
     ...(info.temperature === undefined ? {} : { temperature: info.temperature }),
     ...(info.top_p === undefined ? {} : { top_p: info.top_p }),
   }
-  return encodeAgent(
-    decodeAgent(
-      JSON.stringify({
-        model: modelSelection(info.model, info.variant),
-        request: Object.keys(body).length ? { body } : undefined,
-        system: info.prompt,
-        description: info.description,
-        mode: info.mode,
-        hidden: info.hidden,
-        color: info.color === undefined ? undefined : info.color.startsWith("#") ? info.color : "#aaaaaa",
-        steps: info.steps,
-        disabled: info.disable,
-        permissions: permissions(info.permission),
-      }),
-    ),
-  )
+  return {
+    model: modelSelection(info.model, info.variant),
+    request: Object.keys(body).length ? { body } : undefined,
+    system: info.prompt,
+    description: info.description,
+    mode: info.mode,
+    hidden: info.hidden,
+    color: info.color === undefined ? undefined : info.color.startsWith("#") ? info.color : "#aaaaaa",
+    steps: info.steps,
+    disabled: info.disable,
+    permissions: permissions(info.permission),
+  }
 }
 
-export function commands(info?: Readonly<Record<string, ConfigCommandV1.Info>>) {
+function commands(info?: Readonly<Record<string, ConfigCommandV1.Info>>) {
   if (!info) return undefined
   return Object.fromEntries(
     Object.entries(info).map(([id, command]) => [
@@ -184,7 +205,7 @@ function mcp(info: typeof ConfigV1.Info.Type) {
   return { timeout: timeout === undefined ? undefined : { catalog: timeout, execution: timeout }, servers }
 }
 
-export function migrateMcp(info: ConfigMCPV1.Info) {
+function migrateMcp(info: ConfigMCPV1.Info) {
   const disabled = info.enabled === undefined ? undefined : !info.enabled
   if (info.type === "local")
     return {
@@ -223,7 +244,7 @@ function providers(info?: Readonly<Record<string, ConfigProviderV1.Info>>) {
   )
 }
 
-export function migrateProvider(sourceID: string, info: ConfigProviderV1.Info) {
+function migrateProvider(sourceID: string, info: ConfigProviderV1.Info) {
   if (sourceID === "azure-cognitive-services") return migrateAzureCognitiveServicesProvider(info)
   if (sourceID === "google-vertex-anthropic") return migrateGoogleVertexAnthropicProvider(info)
   return migrateStandardProvider(info)
@@ -235,7 +256,7 @@ function migrateStandardProvider(info: ConfigProviderV1.Info) {
     name: info.name,
     env: info.env,
     package: info.npm ? Provider.aisdk(info.npm) : undefined,
-    settings: info.api ? { ...options.settings, baseURL: info.api } : info.options ? options.settings : undefined,
+    settings: info.api ? { ...options.settings, baseURL: info.api } : options.settings,
     headers: info.options && options.headers,
     body: info.options && options.body,
     models:
@@ -279,8 +300,8 @@ function migrateGoogleVertexAnthropicProvider(info: ConfigProviderV1.Info) {
   }
 }
 
-// Rename these only while migrating unambiguous V1 fields.
-export function providerID(input: string) {
+// Rename these only in files detected as V1 by a field that exists only in the old config format.
+function providerID(input: string) {
   if (input === "azure-cognitive-services") return "azure"
   if (input === "google-vertex-anthropic") return "google-vertex"
   return input

packages/core/test/config/agent.test.ts

@@ -12,7 +12,6 @@ import { LayerNode } from "@opencode-ai/util/effect/layer-node"
 import { FSUtil } from "@opencode-ai/util/fs-util"
 import { Global } from "@opencode-ai/util/global"
 import { Permission } from "@opencode-ai/core/permission"
-import { AgentPlugin } from "@opencode-ai/core/plugin/agent"
 import { AbsolutePath } from "@opencode-ai/core/schema"
 import { ConfigMigrateV1 } from "@opencode-ai/core/v1/config/migrate"
 import { advance, drain } from "../lib/clock"
@@ -51,11 +50,6 @@ describe("ConfigAgentPlugin.Plugin", () => {
   it.effect("matches Windows paths against home-relative permissions", () =>
     Effect.gen(function* () {
       const permissions = yield* loadHomePermissions("C:\\Users\\test")
-      expect(permissions).toContainEqual({
-        action: "external_directory",
-        resource: "C:\\Users\\test\\p\\**",
-        effect: "allow",
-      })
       expect(
         Permission.evaluate("external_directory", "C:\\Users\\test\\p\\opencode\\src\\*", permissions).effect,
       ).toBe("allow")
@@ -65,96 +59,6 @@ describe("ConfigAgentPlugin.Plugin", () => {
     }),
   )
 
-  it.effect("applies remote permission defaults before explicit global and build rules", () =>
-    Effect.gen(function* () {
-      const agents = yield* Agent.Service
-      const global = yield* Global.Service
-      yield* AgentPlugin.Plugin.effect(host({ agent: agentHost(agents) }))
-
-      const entries = [
-        new Document({
-          type: "document",
-          info: decode(
-            ConfigMigrateV1.migrate({
-              permission: {
-                bash: "ask",
-                edit: "ask",
-                webfetch: "ask",
-                read: {
-                  "*": "allow",
-                  "*.env": "deny",
-                  "*.env.*": "deny",
-                  "*.env.example": "allow",
-                  "*.dev.vars": "deny",
-                  "~/.local/share/opencode/mcp-auth.json": "deny",
-                  "$HOME/.local/share/opencode/mcp-auth.json": "deny",
-                },
-                external_directory: {
-                  "*": "ask",
-                  "~/.local/share/opencode/*": "deny",
-                },
-              },
-            }),
-          ),
-        }),
-        new Document({
-          type: "document",
-          info: decode({
-            permissions: [{ action: "*", resource: "*", effect: "allow" }],
-            agents: {
-              build: {
-                permissions: [
-                  { action: "external_directory", resource: "*", effect: "allow" },
-                  {
-                    action: "external_directory",
-                    resource: "~/.local/share/opencode/*",
-                    effect: "deny",
-                  },
-                  { action: "read", resource: "*.env", effect: "deny" },
-                ],
-              },
-            },
-          }),
-        }),
-      ]
-
-      yield* ConfigAgentPlugin.Plugin.effect(host({ agent: agentHost(agents) })).pipe(
-        Effect.provide(Config.testLayer(entries)),
-      )
-
-      const build = yield* agents.get(Agent.defaultID)
-      if (!build) throw new Error("expected configured build agent")
-      const opencodeData = path.join(global.home, ".local", "share", "opencode", "*")
-      const mcpAuth = path.join(global.home, ".local", "share", "opencode", "mcp-auth.json")
-      expect(build.permissions).toEqual([
-        ...defaultPermissions(global),
-        { action: "question", resource: "*", effect: "allow" },
-        { action: "shell", resource: "*", effect: "ask" },
-        { action: "edit", resource: "*", effect: "ask" },
-        { action: "webfetch", resource: "*", effect: "ask" },
-        { action: "read", resource: "*", effect: "allow" },
-        { action: "read", resource: "*.env", effect: "deny" },
-        { action: "read", resource: "*.env.*", effect: "deny" },
-        { action: "read", resource: "*.env.example", effect: "allow" },
-        { action: "read", resource: "*.dev.vars", effect: "deny" },
-        { action: "read", resource: mcpAuth, effect: "deny" },
-        { action: "read", resource: mcpAuth, effect: "deny" },
-        { action: "external_directory", resource: "*", effect: "ask" },
-        { action: "external_directory", resource: opencodeData, effect: "deny" },
-        { action: "*", resource: "*", effect: "allow" },
-        { action: "external_directory", resource: "*", effect: "allow" },
-        { action: "external_directory", resource: opencodeData, effect: "deny" },
-        { action: "read", resource: "*.env", effect: "deny" },
-      ])
-      expect(Permission.evaluate("shell", "bun test", build.permissions).effect).toBe("allow")
-      expect(Permission.evaluate("edit", "src/index.ts", build.permissions).effect).toBe("allow")
-      expect(Permission.evaluate("webfetch", "https://example.com", build.permissions).effect).toBe("allow")
-      expect(Permission.evaluate("read", ".env", build.permissions).effect).toBe("deny")
-      expect(Permission.evaluate("external_directory", opencodeData, build.permissions).effect).toBe("deny")
-      expect(Permission.evaluate("external_directory", "/outside/*", build.permissions).effect).toBe("allow")
-    }),
-  )
-
   it.effect("applies all global permissions before agent-specific permissions", () =>
     Effect.gen(function* () {
       const agents = yield* Agent.Service

packages/core/test/config/config.test.ts

@@ -1,7 +1,7 @@
 import path from "path"
 import fs from "fs/promises"
 import { describe, expect } from "bun:test"
-import { Effect, Fiber, Layer, Logger, PubSub, Schema, Stream } from "effect"
+import { Effect, Fiber, Layer, PubSub, Schema, Stream } from "effect"
 import { FastCheck } from "effect/testing"
 import { Config } from "@opencode-ai/core/config"
 import { AgentsDirectory, Directory, Document, Event, Info } from "@opencode-ai/schema/config"
@@ -307,7 +307,7 @@ describe("Config", () => {
     }),
   )
 
-  it.live("loads authenticated wellknown config before user configuration", () =>
+  it.live("loads authenticated wellknown config at highest priority", () =>
     Effect.acquireUseRelease(
       Effect.promise(() => tmpdir()),
       (tmp) =>
@@ -370,13 +370,7 @@ describe("Config", () => {
           return yield* Effect.gen(function* () {
             const config = yield* Config.Service
             const bus = yield* Bus.Service
-            const initial = yield* config.entries()
-            expect(Config.latest(initial, "shell")).toBe("project")
-            expect(
-              initial.flatMap((entry) =>
-                entry.type === "document" && entry.info.shell ? [entry.info.shell] : [],
-              ),
-            ).toEqual(["secret", "global", "project"])
+            expect(Config.latest(yield* config.entries(), "shell")).toBe("secret")
             const updated = yield* bus
               .subscribe(Event.Updated)
               .pipe(Stream.take(1), Stream.runCollect, Effect.forkScoped)
@@ -384,13 +378,7 @@ describe("Config", () => {
             key = "next"
             yield* bus.publish(Integration.Event.ConnectionUpdated, { integrationID })
             expect(yield* Fiber.join(updated)).toHaveLength(1)
-            const refreshed = yield* config.entries()
-            expect(Config.latest(refreshed, "shell")).toBe("project")
-            expect(
-              refreshed.flatMap((entry) =>
-                entry.type === "document" && entry.info.shell ? [entry.info.shell] : [],
-              ),
-            ).toEqual(["next", "global", "project"])
+            expect(Config.latest(yield* config.entries(), "shell")).toBe("next")
           }).pipe(
             Effect.provide(testLayer(project, global, project, undefined, undefined, credentialNode, wellknownNode)),
           )
@@ -399,96 +387,27 @@ describe("Config", () => {
     ),
   )
 
-  it.live("logs redacted source-aware diagnostics for every config source", () => {
-    const output: Array<Record<string, unknown>> = []
-    const logger = Logger.map(Logger.formatStructured, (entry) => {
-      if (!Array.isArray(entry.message) || entry.message[0] !== "configuration normalization diagnostic") return
-      const details = entry.message[1]
-      if (typeof details === "object" && details !== null) output.push(details as Record<string, unknown>)
-    })
-    return Effect.acquireUseRelease(
-      Effect.promise(() => tmpdir()),
-      (tmp) =>
-        Effect.gen(function* () {
-          const global = path.join(tmp.path, "global")
-          const project = path.join(tmp.path, "project")
-          const malformed = path.join(tmp.path, "malformed.json")
-          yield* Effect.promise(async () => {
-            await fs.mkdir(global, { recursive: true })
-            await fs.mkdir(project, { recursive: true })
-            await fs.writeFile(path.join(global, "opencode.json"), "null")
-            await fs.writeFile(path.join(project, "opencode.json"), "")
-            await fs.writeFile(malformed, '{ "credential": "file-secret"')
-          })
-          const integrationID = Integration.ID.make("https://invalid.example.com")
-          const entry: WellKnown.Entry = {
-            origin: "https://invalid.example.com",
-            integrationID,
-            manifest: { auth: { command: ["login"], env: "TOKEN" } },
-          }
-          const credentialNode = makeGlobalNode({
-            service: Credential.Service,
-            layer: Layer.succeed(
-              Credential.Service,
-              Credential.Service.of({
-                all: () => Effect.die("unused Credential.all"),
-                list: () =>
-                  Effect.succeed([
-                    new Credential.Info({
-                      id: Credential.ID.create(),
-                      integrationID,
-                      label: "default",
-                      value: Credential.Key.make({ type: "key", key: "wellknown-secret" }),
-                    }),
-                  ]),
-                get: () => Effect.die("unused Credential.get"),
-                create: () => Effect.die("unused Credential.create"),
-                update: () => Effect.die("unused Credential.update"),
-                remove: () => Effect.die("unused Credential.remove"),
-              }),
-            ),
-            deps: [],
-          })
-          const wellknownNode = makeGlobalNode({
-            service: WellKnown.Service,
-            layer: Layer.succeed(
-              WellKnown.Service,
-              WellKnown.Service.of({
-                entries: () => Effect.succeed([entry]),
-                snapshot: () => [entry],
-                refresh: () => Effect.succeed(false),
-                add: () => Effect.die("unused Wellknown.add"),
-                remove: () => Effect.die("unused Wellknown.remove"),
-                // Exercise the loader boundary against a malformed implementation response.
-                resolve: () => Effect.succeed([null as unknown as WellKnown.Config]),
-              }),
-            ),
-            deps: [],
-          })
+  it.effect("detects v1 configuration from any v1-only top-level key", () =>
+    Effect.sync(() => {
+      expect(ConfigMigrateV1.isV1({ snapshot: false })).toBe(true)
+      expect(ConfigMigrateV1.isV1({ snapshot: false, agents: {} })).toBe(true)
+      expect(ConfigMigrateV1.isV1({ reference: {} })).toBe(true)
+      expect(ConfigMigrateV1.isV1({ shell: "/bin/zsh", model: "anthropic/claude" })).toBe(false)
+      expect(ConfigMigrateV1.isV1({ references: {} })).toBe(false)
+    }),
+  )
 
-          yield* Config.Service.use((config) => config.entries()).pipe(
-            Effect.provide(
-              testLayer(project, global, project, undefined, undefined, credentialNode, wellknownNode, {
-                file: malformed,
-                content: "",
-              }),
-            ),
-          )
-
-          expect(output.map((item) => `${item.source}:${item.path}:${item.kind}`).toSorted()).toEqual(
-            [
-              `${path.join(global, "opencode.json")}:$:invalid`,
-              `${path.join(project, "opencode.json")}:$:invalid`,
-              `${malformed}:$:invalid`,
-              "https://invalid.example.com:$:invalid",
-              "OPENCODE_CONFIG_CONTENT:$:invalid",
-            ].toSorted(),
-          )
-          expect(JSON.stringify(output)).not.toContain("secret")
-        }),
-      (tmp) => Effect.promise(() => tmp[Symbol.asyncDispose]()),
-    ).pipe(Effect.provide(Logger.layer([logger])))
-  })
+  it.effect("detects a bare v1-shaped mcp block while leaving v2 mcp config alone", () =>
+    Effect.sync(() => {
+      // V1 lists servers directly under `mcp`, so a file with only `$schema` + `mcp` still migrates.
+      expect(ConfigMigrateV1.isV1({ mcp: { context7: { type: "local", command: ["npx"] } } })).toBe(true)
+      expect(ConfigMigrateV1.isV1({ $schema: "x", mcp: { executor: { type: "remote", url: "https://x" } } })).toBe(true)
+      // Current config nests under `mcp.servers`, so it must not be misdetected and re-migrated.
+      expect(ConfigMigrateV1.isV1({ mcp: { servers: { context7: { type: "local", command: ["npx"] } } } })).toBe(false)
+      expect(ConfigMigrateV1.isV1({ mcp: {} })).toBe(false)
+      expect(ConfigMigrateV1.isV1({ mcp: { timeout: { execution: 1000 } } })).toBe(false)
+    }),
+  )
 
   it.effect("migrates arbitrary v1 configuration into valid v2 configuration", () =>
     Effect.sync(() => {
@@ -597,12 +516,12 @@ describe("Config", () => {
       })
       expect(migrated.providers?.["azure-cognitive-services"]).toBeUndefined()
       expect(migrated.providers?.["google-vertex"]).toMatchObject({
+        package: undefined,
         settings: { project: "test-project", location: "us-central1" },
         models: {
           "claude-sonnet": { package: Provider.aisdk("@ai-sdk/google-vertex/anthropic") },
         },
       })
-      expect(migrated.providers?.["google-vertex"]).not.toHaveProperty("package")
       expect(migrated.providers?.["google-vertex-anthropic"]).toBeUndefined()
     }),
   )

packages/core/test/config/normalization.test.ts

@@ -1,489 +0,0 @@
-import { describe, expect, test } from "bun:test"
-import { Duration, Schema } from "effect"
-import { FastCheck } from "effect/testing"
-import { ConfigNormalize } from "@opencode-ai/core/config/normalize"
-import { Info } from "@opencode-ai/schema/config"
-
-const options = { errors: "all", onExcessProperty: "ignore", propertyOrder: "original" } as const
-
-function normalized(input: unknown) {
-  const result = ConfigNormalize.normalize(input)
-  expect(result.type).toBe("normalized")
-  if (result.type !== "normalized") throw new Error("expected normalized config")
-  return result
-}
-
-function decoded(input: unknown) {
-  return Schema.decodeUnknownSync(Info, options)(normalized(input).encoded)
-}
-
-function withoutEmptyCompatibilityContainers(input: Record<string, unknown>) {
-  const result = structuredClone(input)
-  if (typeof result.mcp === "object" && result.mcp !== null && !Array.isArray(result.mcp)) {
-    const mcp = result.mcp as Record<string, unknown>
-    const originallyEmpty = !Object.keys(mcp).length
-    for (const key of ["servers", "timeout"]) {
-      if (
-        typeof mcp[key] === "object" &&
-        mcp[key] !== null &&
-        !Array.isArray(mcp[key]) &&
-        !Object.keys(mcp[key]).length
-      )
-        delete mcp[key]
-    }
-    if (!originallyEmpty && !Object.keys(mcp).length) delete result.mcp
-  }
-  if (typeof result.compaction === "object" && result.compaction !== null && !Array.isArray(result.compaction)) {
-    const compaction = result.compaction as Record<string, unknown>
-    const originallyEmpty = !Object.keys(compaction).length
-    if (
-      typeof compaction.keep === "object" &&
-      compaction.keep !== null &&
-      !Array.isArray(compaction.keep) &&
-      !Object.keys(compaction.keep).length
-    )
-      delete compaction.keep
-    if (!originallyEmpty && !Object.keys(compaction).length) delete result.compaction
-  }
-  return result
-}
-
-describe("ConfigNormalize", () => {
-  test("rejects every non-object root with one root diagnostic", () => {
-    for (const input of [null, [], "config", true, 1]) {
-      expect(ConfigNormalize.normalize(input)).toEqual({
-        type: "rejected",
-        diagnostics: [
-          {
-            kind: "invalid",
-            path: ["$"],
-            message: "rejected configuration because its root is not an object",
-          },
-        ],
-      })
-    }
-  })
-
-  test("keeps unrelated native fields when a legacy field is present", () => {
-    const result = decoded({ snapshot: false, agents: { reviewer: { system: "Use V2" } } })
-    expect(result.snapshots).toBe(false)
-    expect(result.agents?.reviewer?.system).toBe("Use V2")
-  })
-
-  test("canonicalizes transformed native values through decode then encode", () => {
-    const result = normalized({ warming: { interval: "4 minutes", duration: "30 minutes" } })
-    expect(result.encoded.warming).toEqual({ interval: "240000 millis", duration: "1800000 millis" })
-    const info = Schema.decodeUnknownSync(Info)(result.encoded)
-    if (typeof info.warming === "boolean" || info.warming === undefined) throw new Error("expected warming info")
-    expect(Duration.toMillis(info.warming.interval ?? Duration.zero)).toBe(240_000)
-    expect(Duration.toMillis(info.warming.duration ?? Duration.zero)).toBe(1_800_000)
-  })
-
-  test("preserves arbitrary JSON-round-tripped native configuration", () => {
-    FastCheck.assert(
-      FastCheck.property(Schema.toArbitrary(Info), (info) => {
-        const source = JSON.parse(JSON.stringify(Schema.encodeSync(Info)(info)))
-        const result = normalized(source)
-        expect(Schema.decodeUnknownSync(Info)(result.encoded)).toEqual(
-          Schema.decodeUnknownSync(Info)(withoutEmptyCompatibilityContainers(source)),
-        )
-      }),
-      { numRuns: 100 },
-    )
-  })
-
-  test("merges named maps by entry and gives valid native entries precedence", () => {
-    const result = normalized({
-      reference: { legacy: { path: "../legacy" }, duplicate: { path: "../old" } },
-      references: { native: { path: "../native" }, duplicate: { path: "../new" } },
-      command: { legacy: { template: "legacy" }, duplicate: { template: "old" } },
-      commands: { native: { template: "native" }, duplicate: { template: "new" } },
-    })
-    expect(result.encoded.references).toEqual({
-      legacy: { path: "../legacy" },
-      native: { path: "../native" },
-      duplicate: { path: "../new" },
-    })
-    expect(result.encoded.commands).toEqual({
-      legacy: { template: "legacy" },
-      native: { template: "native" },
-      duplicate: { template: "new" },
-    })
-    expect(result.diagnostics.filter((item) => item.kind === "conflict").map((item) => item.path)).toEqual([
-      ["references", "duplicate"],
-      ["commands", "duplicate"],
-    ])
-  })
-
-  test("does not report canonical-equal duplicates as conflicts", () => {
-    const result = normalized({
-      snapshot: false,
-      snapshots: false,
-      reference: { docs: { path: "../docs" } },
-      references: { docs: { path: "../docs" } },
-      agent: { reviewer: { prompt: "same" } },
-      agents: { reviewer: { system: "same" } },
-      provider: { custom: { name: "same" } },
-      providers: { custom: { name: "same" } },
-      compaction: { preserve_recent_tokens: 1000, keep: { tokens: 1000 } },
-    })
-    expect(result.diagnostics.filter((item) => item.kind === "conflict")).toEqual([])
-  })
-
-  test("uses agent then mode then native agent precedence", () => {
-    const result = normalized({
-      agent: { reviewer: { prompt: "agent" }, agentOnly: { prompt: "agent-only" } },
-      mode: { reviewer: { prompt: "mode" }, modeOnly: { prompt: "mode-only" } },
-      agents: { reviewer: { system: "native" }, nativeOnly: { system: "native-only" } },
-    })
-    expect(result.encoded.agents).toEqual({
-      reviewer: { system: "native" },
-      agentOnly: { system: "agent-only" },
-      modeOnly: { system: "mode-only", mode: "primary" },
-      nativeOnly: { system: "native-only" },
-    })
-    expect(result.diagnostics.filter((item) => item.kind === "conflict").map((item) => item.path)).toEqual([
-      ["agents", "reviewer"],
-      ["agents", "reviewer"],
-    ])
-    expect(() => Schema.decodeUnknownSync(Info)(result.encoded)).not.toThrow()
-  })
-
-  test("recovers malformed named entries and retains a valid legacy collision", () => {
-    const result = normalized({
-      command: { fallback: { template: "legacy" } },
-      commands: {
-        fallback: { template: 1 },
-        valid: { template: "native" },
-        invalid: { template: false },
-      },
-      providers: {
-        valid: { name: "Valid" },
-        invalid: { env: [1] },
-      },
-    })
-    expect(result.encoded.commands).toEqual({ fallback: { template: "legacy" }, valid: { template: "native" } })
-    expect(result.encoded.providers).toEqual({ valid: { name: "Valid" } })
-    expect(result.diagnostics.filter((item) => item.kind === "invalid").map((item) => item.path)).toEqual([
-      ["commands", "fallback"],
-      ["commands", "invalid"],
-      ["providers", "invalid"],
-    ])
-  })
-
-  test("uses a valid retired provider alias when the canonical legacy entry is malformed", () => {
-    const result = normalized({
-      provider: {
-        "azure-cognitive-services": { models: { deployment: {} } },
-        azure: { env: [1] },
-      },
-    })
-    expect(result.encoded.providers).toHaveProperty("azure.models.deployment")
-    expect(result.diagnostics.filter((item) => item.kind === "invalid").map((item) => item.path)).toContainEqual([
-      "provider",
-      "azure",
-    ])
-  })
-
-  test("preserves permission source order and appends native rules", () => {
-    expect(
-      normalized({
-        tools: { bash: true, write: false },
-        permission: { read: "allow", custom: { first: "deny", second: "ask" }, task: "allow" },
-        permissions: [{ action: "native", resource: "*", effect: "deny" }],
-      }).encoded.permissions,
-    ).toEqual([
-      { action: "shell", resource: "*", effect: "allow" },
-      { action: "edit", resource: "*", effect: "deny" },
-      { action: "read", resource: "*", effect: "allow" },
-      { action: "custom", resource: "first", effect: "deny" },
-      { action: "custom", resource: "second", effect: "ask" },
-      { action: "subagent", resource: "*", effect: "allow" },
-      { action: "native", resource: "*", effect: "deny" },
-    ])
-  })
-
-  test("redacts permission resource keys from invalid diagnostics", () => {
-    const result = normalized({
-      permission: { bash: { "curl -H Authorization:Bearer TOPSECRET *": "bogus" } },
-    })
-    expect(result.diagnostics).toEqual([
-      {
-        kind: "invalid",
-        path: ["permission", "bash", "0"],
-        message: "skipped malformed recognized value",
-      },
-    ])
-    expect(JSON.stringify(result.diagnostics)).not.toContain("TOPSECRET")
-  })
-
-  test("recovers list items for skills, plugins, instructions, and permissions", () => {
-    const result = normalized({
-      skills: { paths: ["./skills", 1], urls: [false, "https://example.com/skills"] },
-      plugin: ["legacy", ["tuple", {}], [1, {}]],
-      plugins: ["native", { package: "object" }, { package: 1 }],
-      instructions: ["one", 2, "three"],
-      permissions: [
-        { action: "read", resource: "*", effect: "allow" },
-        { action: "read", resource: "*", effect: "invalid" },
-      ],
-    })
-    expect(result.encoded.skills).toEqual(["./skills", "https://example.com/skills"])
-    expect(result.encoded.plugins).toEqual([
-      "legacy",
-      { package: "tuple", options: {} },
-      "native",
-      { package: "object" },
-    ])
-    expect(result.encoded.instructions).toEqual(["one", "three"])
-    expect(result.encoded.permissions).toEqual([{ action: "read", resource: "*", effect: "allow" }])
-    expect(result.diagnostics.filter((item) => item.kind === "invalid")).toHaveLength(6)
-  })
-
-  test("omits malformed collection roots instead of synthesizing empty values", () => {
-    const result = normalized({
-      commands: [],
-      providers: "invalid",
-      references: false,
-      agents: 1,
-      plugins: {},
-      permissions: {},
-      instructions: {},
-    })
-    expect(result.encoded).toEqual({})
-    expect(result.diagnostics.filter((item) => item.kind === "invalid").map((item) => item.path)).toEqual([
-      ["references"],
-      ["commands"],
-      ["agents"],
-      ["providers"],
-      ["permissions"],
-      ["plugins"],
-      ["instructions"],
-    ])
-  })
-
-  test("omits all-invalid formatter and LSP maps while preserving explicit empty maps", () => {
-    const invalid = normalized({
-      formatter: { prettier: { command: [1] } },
-      lsp: { typescript: { command: [1] } },
-    })
-    expect(invalid.encoded).not.toHaveProperty("formatter")
-    expect(invalid.encoded).not.toHaveProperty("lsp")
-    expect(invalid.diagnostics.filter((item) => item.kind === "invalid").map((item) => item.path)).toEqual([
-      ["formatter", "prettier"],
-      ["lsp", "typescript"],
-    ])
-
-    expect(normalized({ formatter: {}, lsp: {} }).encoded).toMatchObject({ formatter: {}, lsp: {} })
-  })
-
-  test("combines legacy and native MCP servers and merges timeout leaves", () => {
-    const result = normalized({
-      experimental: { mcp_timeout: 5000 },
-      mcp: {
-        legacy: { type: "local", command: ["legacy"] },
-        duplicate: { type: "remote", url: "https://legacy.example.com" },
-        servers: {
-          native: { type: "local", command: ["native"] },
-          duplicate: { type: "remote", url: "https://native.example.com" },
-          invalid: { type: "local", command: [1] },
-        },
-        timeout: { startup: 1000, catalog: 6000 },
-      },
-    })
-    expect(result.encoded.mcp).toEqual({
-      timeout: { catalog: 6000, execution: 5000, startup: 1000 },
-      servers: {
-        legacy: { type: "local", command: ["legacy"], disabled: undefined, timeout: undefined },
-        duplicate: { type: "remote", url: "https://native.example.com" },
-        native: { type: "local", command: ["native"] },
-      },
-    })
-    expect(
-      result.diagnostics.some((item) => item.kind === "conflict" && item.path.join(".") === "mcp.servers.duplicate"),
-    ).toBe(true)
-    expect(
-      result.diagnostics.some((item) => item.kind === "conflict" && item.path.join(".") === "mcp.timeout.catalog"),
-    ).toBe(true)
-    expect(
-      result.diagnostics.some((item) => item.kind === "invalid" && item.path.join(".") === "mcp.servers.invalid"),
-    ).toBe(true)
-  })
-
-  test("uses raw MCP discriminators for reserved server names", () => {
-    const result = normalized({
-      mcp: {
-        servers: { type: "local", command: ["reserved-servers"] },
-        timeout: { type: "remote", url: "https://reserved.example.com" },
-      },
-    })
-    expect((result.encoded.mcp as { servers: Record<string, unknown> }).servers).toEqual({
-      servers: { type: "local", command: ["reserved-servers"], disabled: undefined, timeout: undefined },
-      timeout: { type: "remote", url: "https://reserved.example.com", disabled: undefined, timeout: undefined },
-    })
-
-    const enabledOnly = normalized({ mcp: { servers: { enabled: true }, timeout: { enabled: false } } })
-    expect(enabledOnly.encoded.mcp).toBeUndefined()
-    expect(enabledOnly.diagnostics.map((item) => [item.kind, item.path])).toEqual([
-      ["unsupported", ["mcp", "servers"]],
-      ["unsupported", ["mcp", "timeout"]],
-    ])
-  })
-
-  test("merges bounded compaction leaves and omits unsupported leaves", () => {
-    const result = normalized({
-      compaction: {
-        auto: false,
-        preserve_recent_tokens: 1000,
-        keep: { tokens: 2000 },
-        reserved: 3000,
-        buffer: 4000,
-        tail_turns: 2,
-        prune: true,
-      },
-    })
-    expect(result.encoded.compaction).toEqual({ auto: false, keep: { tokens: 2000 }, buffer: 4000 })
-    expect(result.diagnostics.map((item) => [item.kind, item.path])).toEqual([
-      ["unsupported", ["compaction", "tail_turns"]],
-      ["unsupported", ["compaction", "prune"]],
-      ["conflict", ["compaction", "keep", "tokens"]],
-      ["conflict", ["compaction", "buffer"]],
-    ])
-  })
-
-  test("distinguishes empty, mixed, and wholly malformed enabled provider lists", () => {
-    expect(normalized({ enabled_providers: [] }).encoded.experimental).toEqual({
-      policies: [{ action: "provider.use", resource: "*", effect: "deny" }],
-    })
-    expect(normalized({ enabled_providers: [1, "anthropic", false] }).encoded.experimental).toEqual({
-      policies: [
-        { action: "provider.use", resource: "*", effect: "deny" },
-        { action: "provider.use", resource: "anthropic", effect: "allow" },
-      ],
-    })
-    expect(normalized({ enabled_providers: [1, false] }).encoded.experimental).toBeUndefined()
-    expect(normalized({ enabled_providers: "anthropic" }).encoded.experimental).toBeUndefined()
-  })
-
-  test("appends native policies after migrated provider policies", () => {
-    expect(
-      normalized({
-        enabled_providers: ["anthropic"],
-        disabled_providers: ["openai"],
-        experimental: {
-          subagent_depth: 0,
-          policies: [{ action: "provider.use", resource: "custom", effect: "allow" }],
-        },
-      }).encoded.experimental,
-    ).toEqual({
-      subagent_depth: 0,
-      policies: [
-        { action: "provider.use", resource: "*", effect: "deny" },
-        { action: "provider.use", resource: "anthropic", effect: "allow" },
-        { action: "provider.use", resource: "openai", effect: "deny" },
-        { action: "provider.use", resource: "custom", effect: "allow" },
-      ],
-    })
-  })
-
-  test("reports unsupported legacy settings without including their values", () => {
-    const secret = "do-not-log-this-value"
-    const result = normalized({
-      logLevel: "DEBUG",
-      small_model: secret,
-      agent: { reviewer: { name: secret, prompt: "review" } },
-      provider: {
-        custom: {
-          id: secret,
-          whitelist: ["model"],
-          models: {
-            model: {
-              release_date: secret,
-              status: "active",
-              interleaved: true,
-            },
-          },
-        },
-      },
-      experimental: { openTelemetry: true },
-    })
-    expect(result.diagnostics.filter((item) => item.kind === "unsupported").map((item) => item.path)).toEqual([
-      ["logLevel"],
-      ["small_model"],
-      ["agent", "reviewer", "name"],
-      ["provider", "custom", "id"],
-      ["provider", "custom", "whitelist"],
-      ["provider", "custom", "models", "model", "release_date"],
-      ["provider", "custom", "models", "model", "status"],
-      ["provider", "custom", "models", "model", "interleaved"],
-      ["experimental", "openTelemetry"],
-    ])
-    expect(JSON.stringify(result.diagnostics)).not.toContain(secret)
-  })
-
-  test("diagnoses unsupported legacy model selections without dropping their entries", () => {
-    const result = normalized({
-      command: {
-        invalidModel: { template: "one", model: "invalid" },
-        invalidVariant: { template: "two", model: "anthropic/model", variant: "bad#variant" },
-        missingModel: { template: "three", variant: "high" },
-      },
-      agent: { invalid: { prompt: "agent", model: "invalid", variant: "" } },
-    })
-    expect(Object.keys(result.encoded.commands as Record<string, unknown>)).toEqual([
-      "invalidModel",
-      "invalidVariant",
-      "missingModel",
-    ])
-    expect(Object.keys(result.encoded.agents as Record<string, unknown>)).toEqual(["invalid"])
-    expect(result.diagnostics.filter((item) => item.kind === "unsupported").map((item) => item.path)).toEqual([
-      ["command", "invalidModel", "model"],
-      ["command", "invalidVariant", "variant"],
-      ["command", "missingModel", "variant"],
-      ["agent", "invalid", "model"],
-      ["agent", "invalid", "variant"],
-    ])
-  })
-
-  test("invalid legacy provider overlays skip only that provider", () => {
-    const result = normalized({
-      provider: {
-        headers: { options: { headers: { valid: "yes", invalid: 1 } } },
-        body: { options: { body: "not-an-object" } },
-        valid: { options: { headers: { valid: "yes" }, body: { trace: true } } },
-      },
-    })
-    expect(result.encoded.providers).toEqual({
-      valid: { settings: {}, headers: { valid: "yes" }, body: { trace: true } },
-    })
-    expect(result.diagnostics.filter((item) => item.kind === "invalid").map((item) => item.path)).toEqual([
-      ["provider", "headers", "options", "headers"],
-      ["provider", "body", "options", "body"],
-    ])
-  })
-
-  test("preserves explicit false, zero, empty list, and empty map presence", () => {
-    const result = normalized({
-      snapshot: false,
-      autoshare: false,
-      references: {},
-      commands: {},
-      agents: {},
-      providers: {},
-      plugins: [],
-      instructions: [],
-      experimental: { subagent_depth: 0 },
-    })
-    expect(result.encoded).toMatchObject({
-      snapshots: false,
-      references: {},
-      commands: {},
-      agents: {},
-      providers: {},
-      plugins: [],
-      instructions: [],
-      experimental: { subagent_depth: 0 },
-    })
-    expect(result.encoded.share).toBeUndefined()
-  })
-})

packages/core/test/config/provider.test.ts

@@ -237,11 +237,7 @@ describe("ConfigProviderPlugin.Plugin", () => {
                   models: {
                     chat: {
                       name: "First",
-                      compatibility: {
-                        reasoningField: "vendor_reasoning",
-                        maxTokensField: "max_completion_tokens",
-                        requireFinishReason: false,
-                      },
+                      compatibility: { reasoningField: "vendor_reasoning" },
                       capabilities: { tools: true, input: ["text"], output: ["text"] },
                       disabled: true,
                       limit: { context: 100, output: 50 },
@@ -322,11 +318,7 @@ describe("ConfigProviderPlugin.Plugin", () => {
         expect(model.id).toBe(modelID)
         expect(model.modelID).toBe(Model.ID.make("api-chat"))
         expect(model.name).toBe("Last")
-        expect(model.compatibility).toEqual({
-          reasoningField: "vendor_reasoning",
-          maxTokensField: "max_completion_tokens",
-          requireFinishReason: false,
-        })
+        expect(model.compatibility).toEqual({ reasoningField: "vendor_reasoning" })
         expect(model.capabilities).toEqual({ tools: true, input: ["text"], output: ["text"] })
         expect(model.enabled).toBe(false)
         expect(model.limit).toEqual({ context: 100, output: 75 })

packages/core/test/model-resolver.test.ts

@@ -151,9 +151,6 @@ describe("ModelResolver", () => {
           http: { body: { custom_extension: { enabled: true } } },
         },
       })
-      const prepared = yield* compileRequest(LLM.request({ model: resolved, prompt: "Hello" }))
-      expect(prepared.body.max_output_tokens).toBeUndefined()
-      expect(JSON.stringify(prepared.body)).not.toContain("max_output_tokens")
     }),
   )
 
@@ -194,11 +191,7 @@ describe("ModelResolver", () => {
     Effect.gen(function* () {
       const resolved = yield* ModelResolver.fromCatalogModel(
         model(Provider.aisdk("@ai-sdk/openai-compatible"), {
-          compatibility: {
-            reasoningField: "vendor_reasoning",
-            maxTokensField: "max_completion_tokens",
-            requireFinishReason: false,
-          },
+          compatibility: { reasoningField: "vendor_reasoning" },
           settings: {
             apiKey: "settings-secret",
             baseURL: "https://compatible.example/v1",
@@ -208,8 +201,7 @@ describe("ModelResolver", () => {
           body: {},
         }),
       )
-      const request = LLM.request({ model: resolved, prompt: "Hello", generation: { maxTokens: 10 } })
-      const prepared = yield* compileRequest(request)
+      const request = LLM.request({ model: resolved, prompt: "Hello" })
       const headers = yield* resolved.route.auth.apply({
         request,
         method: "POST",
@@ -221,10 +213,6 @@ describe("ModelResolver", () => {
       expect(headers.authorization).toBe("Bearer settings-secret")
       expect(resolved.route.id).toBe("openai-compatible-chat")
       expect(resolved.compatibility?.reasoningField).toBe("vendor_reasoning")
-      expect(resolved.compatibility?.maxTokensField).toBe("max_completion_tokens")
-      expect(resolved.compatibility?.requireFinishReason).toBe(false)
-      expect(prepared.body).toMatchObject({ max_completion_tokens: 10 })
-      expect(prepared.body).not.toHaveProperty("max_tokens")
       expect(resolved.route.endpoint.baseURL).toBe("https://compatible.example/v1")
       expect(resolved.route.defaults.http?.body).toEqual({})
     }),

packages/core/test/plugin/promise.test.ts

@@ -1,6 +1,6 @@
 import { describe, expect } from "bun:test"
 import { Message, SystemPart } from "@opencode-ai/ai"
-import { DateTime, Effect, Schema } from "effect"
+import { DateTime, Deferred, Effect, Fiber, Schema } from "effect"
 import { Agent } from "@opencode-ai/core/agent"
 import { Catalog } from "@opencode-ai/core/catalog"
 import { Model } from "@opencode-ai/core/model"
@@ -15,7 +15,7 @@ import { SessionPending } from "@opencode-ai/core/session/pending"
 import { Tool } from "@opencode-ai/core/tool"
 import { Provider } from "@opencode-ai/core/provider"
 import { define } from "@opencode-ai/plugin/promise/plugin"
-import type { SessionHooks } from "@opencode-ai/plugin/effect/session"
+import type { SessionHooks, SessionHttpHandler } from "@opencode-ai/plugin/effect/session"
 import { testEffect } from "../lib/effect"
 import { PluginTestLayer } from "./fixture"
 import { host as testHost } from "./host"
@@ -223,45 +223,102 @@ describe("fromPromise", () => {
     }),
   )
 
-  it.effect("adapts promise session HTTP request and response hooks", () =>
+  it.effect("adapts promise session HTTP hooks", () =>
+    Effect.gen(function* () {
+      const plugin = yield* Plugin.Service
+      const hooks = yield* PluginHooks.Service
+      const host = yield* PluginHost.make(plugin)
+      const bodies: string[] = []
+      yield* PluginPromise.fromPromise(
+        define({
+          id: "promise-session-http",
+          setup: async (ctx) => {
+            await ctx.session.hook("http", (event) => {
+              event.use(async (request, next) => {
+                request.headers.set("x-hook", "promise")
+                await next(request)
+                const response = await next(request)
+                return new Response(`${await response.text()}-response`)
+              })
+            })
+            await ctx.session.hook("http", (event) => {
+              event.use(async (request, next) => {
+                const response = await next(request)
+                return new Response(`${await response.text()}-outer`)
+              })
+            })
+          },
+        }),
+      ).effect(host)
+      const middlewares: Parameters<PluginHooks.Domains["session"]["http"]["use"]>[0][] = []
+      const event: PluginHooks.Domains["session"]["http"] = {
+        sessionID: Session.ID.make("ses_promise_session_http"),
+        agent: Agent.ID.make("build"),
+        model: Model.Ref.make({ providerID: Provider.ID.make("test"), id: Model.ID.make("model") }),
+        use: (item) =>
+          Effect.sync(() => {
+            middlewares.push(item)
+          }),
+      }
+
+      yield* hooks.trigger("session", "http", event)
+      const request = middlewares.reduce<SessionHttpHandler>(
+        (next, item) => (input: Request) => item(input, next),
+        (input: Request) =>
+          Effect.promise(() => input.text()).pipe(
+            Effect.tap((body) => Effect.sync(() => bodies.push(body))),
+            Effect.as(new Response(input.headers.get("x-hook") ?? "missing")),
+          ),
+      )
+      const response = yield* request(new Request("https://provider.test", { method: "POST", body: "payload" }))
+
+      expect(bodies).toEqual(["payload", "payload"])
+      expect(yield* Effect.promise(() => response.text())).toBe("promise-response-outer")
+    }),
+  )
+
+  it.effect("interrupts the Effect request through a promise session HTTP hook", () =>
     Effect.gen(function* () {
       const plugin = yield* Plugin.Service
       const hooks = yield* PluginHooks.Service
       const host = yield* PluginHost.make(plugin)
       yield* PluginPromise.fromPromise(
         define({
-          id: "promise-session-http",
+          id: "promise-session-http-interrupt",
           setup: async (ctx) => {
-            await ctx.session.hook("http.request", (event) => {
-              event.request = new Request("https://provider.test/changed", event.request)
-              event.request.headers.set("x-hook", "promise")
-            })
-            await ctx.session.hook("http.response", async (event) => {
-              event.response = new Response(`${await event.response.text()}-response`, {
-                status: event.response.status,
-              })
+            await ctx.session.hook("http", (event) => {
+              event.use((request, next) => next(request))
             })
           },
         }),
       ).effect(host)
-      const context = {
-        sessionID: Session.ID.make("ses_promise_session_http"),
+      const started = yield* Deferred.make<void>()
+      const interrupted = yield* Deferred.make<void>()
+      const middlewares: Parameters<PluginHooks.Domains["session"]["http"]["use"]>[0][] = []
+      const event: PluginHooks.Domains["session"]["http"] = {
+        sessionID: Session.ID.make("ses_promise_session_http_interrupt"),
         agent: Agent.ID.make("build"),
         model: Model.Ref.make({ providerID: Provider.ID.make("test"), id: Model.ID.make("model") }),
+        use: (item) =>
+          Effect.sync(() => {
+            middlewares.push(item)
+          }),
       }
 
-      const request = yield* hooks.trigger("session", "http.request", {
-        ...context,
-        request: new Request("https://provider.test", { method: "POST", body: "payload" }),
-      })
-      const response = yield* hooks.trigger("session", "http.response", {
-        ...context,
-        request: request.request,
-        response: new Response(request.request.headers.get("x-hook") ?? "missing"),
-      })
+      yield* hooks.trigger("session", "http", event)
+      const request = middlewares.reduce<SessionHttpHandler>(
+        (next, item) => (input: Request) => item(input, next),
+        () =>
+          Deferred.succeed(started, undefined).pipe(
+            Effect.andThen(Effect.never),
+            Effect.onInterrupt(() => Deferred.succeed(interrupted, undefined)),
+          ),
+      )
+      const fiber = yield* request(new Request("https://provider.test")).pipe(Effect.forkChild)
+      yield* Deferred.await(started)
+      yield* Fiber.interrupt(fiber)
 
-      expect(request.request.url).toBe("https://provider.test/changed")
-      expect(yield* Effect.promise(() => response.response.text())).toBe("promise-response")
+      expect(yield* Deferred.isDone(interrupted)).toBeTrue()
     }),
   )
 

packages/core/test/plugin/provider-openai.test.ts

@@ -12,6 +12,7 @@ import { PluginHost } from "@opencode-ai/core/plugin/host"
 import { PluginHooks } from "@opencode-ai/core/plugin/hooks"
 import { OpenAIPlugin } from "@opencode-ai/core/plugin/provider/openai"
 import { Provider } from "@opencode-ai/core/provider"
+import type { SessionHttpHandler } from "@opencode-ai/plugin/effect/session"
 import { testEffect } from "../lib/effect"
 import { PluginTestLayer } from "./fixture"
 
@@ -30,13 +31,26 @@ function required<T>(value: T | undefined): T {
 }
 
 const http = Effect.fn(function* (providerID: Provider.ID, url: string) {
-  const event = yield* (yield* PluginHooks.Service).trigger("session", "http.request", {
+  const middlewares: Parameters<PluginHooks.Domains["session"]["http"]["use"]>[0][] = []
+  yield* (yield* PluginHooks.Service).trigger("session", "http", {
     sessionID: Session.ID.make("ses_test"),
     agent: Agent.ID.make("build"),
     model: Model.Ref.make({ providerID, id: Model.ID.make("gpt-5.5") }),
-    request: new Request(url, { method: "POST", body: "{}" }),
+    use: (item) =>
+      Effect.sync(() => {
+        middlewares.push(item)
+      }),
   })
-  return { url: event.request.url, headers: Object.fromEntries(event.request.headers.entries()) }
+  const request = middlewares.reduce<SessionHttpHandler>(
+    (next, item) => (input: Request) => item(input, next),
+    (input: Request) => {
+      const headers = new Headers(input.headers)
+      headers.set("x-seen-url", input.url)
+      return Effect.succeed(new Response(null, { headers }))
+    },
+  )
+  const response = yield* request(new Request(url, { method: "POST", body: "{}" }))
+  return { url: response.headers.get("x-seen-url"), headers: Object.fromEntries(response.headers.entries()) }
 })
 
 describe("OpenAIPlugin", () => {
@@ -126,7 +140,7 @@ describe("OpenAIPlugin", () => {
       const eligible = required(yield* catalog.model.get(Provider.ID.openai, Model.ID.make("gpt-5.5")))
       expect(eligible.package).toBe("@opencode-ai/ai/providers/openai")
       expect(eligible.cost).toEqual([])
-      expect(eligible.limit).toEqual({ context: 400_000, input: 272_000, output: 128_000 })
+      expect(eligible.limit).toEqual({ context: 272_000, input: 272_000, output: 128_000 })
       expect(eligible.enabled).toBe(true)
       expect(required(yield* catalog.model.get(Provider.ID.openai, Model.ID.make("gpt-5.5-pro"))).enabled).toBe(
         false,
@@ -135,14 +149,14 @@ describe("OpenAIPlugin", () => {
         false,
       )
       expect(required(yield* catalog.model.get(Provider.ID.openai, Model.ID.make("gpt-5.4"))).limit).toEqual({
-        context: 400_000,
+        context: 272_000,
         input: 272_000,
         output: 64_000,
       })
       expect(required(yield* catalog.model.get(Provider.ID.openai, Model.ID.make("gpt-5.6"))).enabled).toBe(false)
       const gpt56 = required(yield* catalog.model.get(Provider.ID.openai, Model.ID.make("gpt-5.6-sol")))
       expect(gpt56.enabled).toBe(true)
-      expect(gpt56.limit).toEqual({ context: 400_000, input: 272_000, output: 128_000 })
+      expect(gpt56.limit).toEqual({ context: 272_000, input: 272_000, output: 128_000 })
       expect(required(yield* catalog.model.get(Provider.ID.openai, Model.ID.make("gpt-4.1"))).enabled).toBe(false)
     }),
   )

packages/core/test/session-create.test.ts

@@ -23,7 +23,6 @@ import { SessionPending } from "@opencode-ai/core/session/pending"
 import { SessionEvent } from "@opencode-ai/core/session/event"
 import { SessionTable } from "@opencode-ai/core/session/sql"
 import { SessionStore } from "@opencode-ai/core/session/store"
-import { SessionTransfer } from "@opencode-ai/core/session/transfer"
 import { Workspace } from "@opencode-ai/core/workspace"
 import { testEffect } from "./lib/effect"
 import { tmpdir } from "./fixture/tmpdir"
@@ -38,14 +37,7 @@ const projects = Layer.succeed(
 )
 const it = testEffect(
   AppNodeBuilder.build(
-    LayerNode.group([
-      Database.node,
-      Bus.node,
-      SessionProjector.node,
-      SessionStore.node,
-      Session.node,
-      SessionTransfer.node,
-    ]),
+    LayerNode.group([Database.node, Bus.node, SessionProjector.node, SessionStore.node, Session.node]),
     [
       [Bus.node, Bus.configured({ persist: true })],
       [Project.node, projects],
@@ -748,77 +740,3 @@ describe("Session.create", () => {
     }),
   )
 })
-
-describe("SessionTransfer", () => {
-  it.effect("imports projected messages and reserves their aggregate sequence", () =>
-    Effect.gen(function* () {
-      const session = yield* Session.Service
-      const transfer = yield* SessionTransfer.Service
-      const bus = yield* Bus.Service
-      const { db } = yield* Database.Service
-      const template = yield* session.create({ location, title: "Exported" })
-      const sessionID = Session.ID.create()
-      const sourceMessageID = SessionMessage.ID.create()
-      const errorMessageID = SessionMessage.ID.create()
-
-      const imported = yield* transfer.import({
-        data: {
-          info: { ...template, id: sessionID },
-          messages: [
-            {
-              id: sourceMessageID,
-              type: "user",
-              text: "Imported message",
-              time: { created: DateTime.makeUnsafe(100) },
-            },
-            {
-              id: errorMessageID,
-              type: "compaction",
-              status: "failed",
-              reason: "manual",
-              error: { type: "test_error", message: "Original error" },
-              time: { created: DateTime.makeUnsafe(101) },
-            },
-          ],
-        },
-        location,
-      })
-      const messages = yield* session.messages({ sessionID, order: "asc" })
-
-      expect(imported).toMatchObject({ id: sessionID, title: "Exported", location })
-      expect(messages).toMatchObject([
-        { id: sourceMessageID, type: "user", text: "Imported message" },
-        { id: errorMessageID, type: "compaction", error: { type: "test_error", message: "Original error" } },
-      ])
-      expect(yield* Bus.latestSequence(db, sessionID)).toBe(2)
-      expect((yield* transfer.export({ sessionID })).messages).toEqual(messages)
-      expect((yield* transfer.export({ sessionID, sanitize: true })).messages).toMatchObject([
-        { id: sourceMessageID, text: `[redacted:text:${sourceMessageID}]` },
-        { id: errorMessageID, error: { type: "test_error", message: "Original error" } },
-      ])
-
-      yield* session.prompt({ sessionID, text: "Continue", resume: false })
-      yield* SessionPending.promote(db, bus, sessionID, "steer")
-
-      expect((yield* session.messages({ sessionID, order: "asc" })).map((message) => message.type)).toEqual([
-        "user",
-        "compaction",
-        "user",
-      ])
-      expect(yield* Bus.latestSequence(db, sessionID)).toBe(4)
-    }),
-  )
-
-  it.effect("rejects an existing session ID without changing its transcript", () =>
-    Effect.gen(function* () {
-      const session = yield* Session.Service
-      const transfer = yield* SessionTransfer.Service
-      const existing = yield* session.create({ location, title: "Existing" })
-      const exit = yield* Effect.exit(transfer.import({ data: { info: existing, messages: [] }, location }))
-
-      expect(exit._tag).toBe("Failure")
-      expect((yield* session.get(existing.id)).title).toBe("Existing")
-      expect(yield* session.messages({ sessionID: existing.id })).toEqual([])
-    }),
-  )
-})

packages/core/test/session-runner-recorded.test.ts

@@ -255,7 +255,6 @@ describe("SessionRunnerLLM recorded", () => {
 describe("SessionModelRequest HTTP bridge", () => {
   const bodies: Uint8Array[] = []
   const methods: string[] = []
-  const headers: Array<string | undefined> = []
   const response = [
     'data: {"id":"chatcmpl_test","object":"chat.completion.chunk","created":0,"model":"gpt-4o-mini","choices":[{"index":0,"delta":{"role":"assistant","content":"Hello!"},"finish_reason":null}]}',
     'data: {"id":"chatcmpl_test","object":"chat.completion.chunk","created":0,"model":"gpt-4o-mini","choices":[{"index":0,"delta":{},"finish_reason":"stop"}]}',
@@ -269,7 +268,6 @@ describe("SessionModelRequest HTTP bridge", () => {
         if (request.body._tag !== "Uint8Array") throw new Error(`Unexpected request body: ${request.body._tag}`)
         methods.push(request.method)
         bodies.push(request.body.body.slice())
-        headers.push(request.headers["x-hook"])
         return HttpClientResponse.fromWeb(
           request,
           new Response(response, { headers: { "content-type": "text/event-stream" } }),
@@ -277,16 +275,14 @@ describe("SessionModelRequest HTTP bridge", () => {
       }),
     ),
   )
-  const httpIt = testEffect(
+  const retryIt = testEffect(
     testLayer(LLMClient.layer.pipe(Layer.provide(RequestExecutor.layer.pipe(Layer.provide(transport))))),
   )
 
-  httpIt.effect("runs Effect HTTP request and response hooks around one provider request", () =>
+  retryIt.effect("lets an Effect plugin send the same POST Request twice", () =>
     Effect.gen(function* () {
       bodies.length = 0
       methods.length = 0
-      headers.length = 0
-      const seen: string[] = []
       const agents = yield* Agent.Service
       const catalog = yield* Catalog.Service
       const hooks = yield* PluginHooks.Service
@@ -301,20 +297,13 @@ describe("SessionModelRequest HTTP bridge", () => {
         catalog: catalogHost(catalog),
         session: { hook: (name, callback) => hooks.register("session", name, callback) },
       })
-      yield* pluginHost.session.hook("http.request", (event) =>
-        Effect.sync(() => {
-          seen.push("request")
-          event.request.headers.set("x-hook", "effect")
-        }),
-      )
-      yield* pluginHost.session.hook("http.response", (event) =>
-        Effect.gen(function* () {
-          seen.push(`response:${event.response.status}:${event.request.headers.get("x-hook")}`)
-          event.response = new Response(
-            (yield* Effect.promise(() => event.response.text())).replace("Hello!", "Hooked!"),
-            event.response,
-          )
-        }),
+      yield* pluginHost.session.hook("http", (event) =>
+        event.use((request, next) =>
+          Effect.gen(function* () {
+            yield* next(request).pipe(Effect.flatMap((response) => Effect.promise(() => response.text())))
+            return yield* next(request)
+          }),
+        ),
       )
       yield* Effect.forEach(SystemPromptPlugin.Plugins, (plugin) => plugin.effect(pluginHost), { discard: true })
       const { db } = yield* Database.Service
@@ -342,15 +331,10 @@ describe("SessionModelRequest HTTP bridge", () => {
 
       yield* session.resume(retrySessionID)
 
-      expect(methods).toEqual(["POST"])
-      expect(headers).toEqual(["effect"])
-      expect(seen).toEqual(["request", "response:200:effect"])
-      expect(bodies).toHaveLength(1)
+      expect(methods).toEqual(["POST", "POST"])
+      expect(bodies).toHaveLength(2)
       expect(bodies[0]?.byteLength).toBeGreaterThan(0)
-      expect((yield* session.context(retrySessionID))[1]).toMatchObject({
-        type: "assistant",
-        content: [{ type: "text", text: "Hooked!" }],
-      })
+      expect(bodies[1]).toEqual(bodies[0])
     }),
   )
 })

packages/core/test/tool-websearch.test.ts

@@ -1,5 +1,5 @@
 import { beforeEach, describe, expect } from "bun:test"
-import { Deferred, Effect, Layer } from "effect"
+import { Effect, Layer } from "effect"
 import { AppNodeBuilder } from "@opencode-ai/core/effect/app-node-builder"
 import { LayerNode } from "@opencode-ai/util/effect/layer-node"
 import { Permission } from "@opencode-ai/core/permission"
@@ -39,8 +39,6 @@ const providers = [
 let providerRequired = false
 let formResponse: Form.TerminalState = { status: "cancelled" }
 const formResponses: Form.TerminalState[] = []
-let queryBarrier: Deferred.Deferred<void> | undefined
-let synchronizedQueries = 0
 let result = new WebSearch.Response({
   providerID: WebSearch.ID.make("exa"),
   results: [{ url: "https://example.com", title: "Search results", content: "search results", time: {} }],
@@ -54,8 +52,6 @@ beforeEach(() => {
   providerRequired = false
   formResponse = { status: "cancelled" }
   formResponses.length = 0
-  queryBarrier = undefined
-  synchronizedQueries = 0
   result = new WebSearch.Response({
     providerID: WebSearch.ID.make("exa"),
     results: [{ url: "https://example.com", title: "Search results", content: "search results", time: {} }],
@@ -79,21 +75,11 @@ const websearch = Layer.succeed(
     transform: () => Effect.die("unused"),
     reload: () => Effect.die("unused"),
     providers: () => Effect.succeed(providers),
-    default: () =>
-      Effect.gen(function* () {
-        const stored = values.get("websearch:provider")
-        if (stored === false) return yield* new WebSearch.DisabledError()
-        return typeof stored === "string" ? providers.find((provider) => provider.id === stored) : undefined
-      }),
+    default: () => Effect.succeed(undefined),
     query: (input) =>
       Effect.gen(function* () {
         queries.push(input)
         const stored = values.get("websearch:provider")
-        if (queryBarrier && synchronizedQueries < 5) {
-          synchronizedQueries++
-          if (synchronizedQueries === 5) yield* Deferred.succeed(queryBarrier, undefined)
-          yield* Deferred.await(queryBarrier)
-        }
         if (providerRequired && typeof stored !== "string") return yield* new WebSearch.ProviderRequiredError()
         if (typeof stored === "string")
           return new WebSearch.Response({ providerID: WebSearch.ID.make(stored), results: result.results })
@@ -330,35 +316,6 @@ describe("WebSearchTool registration", () => {
     }),
   )
 
-  it.effect("shares provider consent across concurrent searches", () =>
-    Effect.gen(function* () {
-      providerRequired = true
-      formResponse = { status: "answered", answer: { choice: "allow" } }
-      queryBarrier = yield* Deferred.make<void>()
-      const registry = yield* Tool.Service
-
-      const results = yield* Effect.all(
-        Array.from({ length: 5 }, (_, index) =>
-          executeTool(registry, {
-            sessionID,
-            ...toolIdentity,
-            call: {
-              type: "tool-call",
-              id: `call-concurrent-${index}`,
-              name: "websearch",
-              input: { query: `effect ${index}` },
-            },
-          }),
-        ),
-        { concurrency: "unbounded" },
-      )
-
-      expect(results.every((item) => item.status === "completed")).toBe(true)
-      expect(formRequests).toHaveLength(1)
-      expect(values.get("websearch:provider")).toBe("exa")
-    }),
-  )
-
   it.effect("persists the choice to disable web search", () =>
     Effect.gen(function* () {
       providerRequired = true

packages/core/tsconfig.json

@@ -2,6 +2,15 @@
   "$schema": "https://json.schemastore.org/tsconfig",
   "extends": "@tsconfig/bun/tsconfig.json",
   "compilerOptions": {
-    "noUncheckedIndexedAccess": false
-  }
+    "composite": true,
+    "declaration": true,
+    "emitDeclarationOnly": true,
+    "incremental": true,
+    "noEmit": false,
+    "noUncheckedIndexedAccess": false,
+    "outDir": "node_modules/.ts-dist/source",
+    "rootDir": "src",
+    "tsBuildInfoFile": "node_modules/.ts-dist/source.tsbuildinfo"
+  },
+  "include": ["src"]
 }

packages/core/tsconfig.tests.json

@@ -0,0 +1,11 @@
+{
+  "$schema": "https://json.schemastore.org/tsconfig",
+  "extends": "@tsconfig/bun/tsconfig.json",
+  "compilerOptions": {
+    "incremental": true,
+    "noUncheckedIndexedAccess": false,
+    "tsBuildInfoFile": "node_modules/.ts-dist/tests.tsbuildinfo"
+  },
+  "include": ["drizzle.config.ts", "script", "test"],
+  "references": [{ "path": "./tsconfig.json" }]
+}

packages/effect-drizzle-sqlite/src/sqlite-core/effect/delete.ts

@@ -110,12 +110,12 @@ export type SQLiteEffectDelete<
 export type AnySQLiteEffectDelete = SQLiteEffectDeleteBase<any, any, any, any, any, any>
 
 export interface SQLiteEffectDeleteBase<
-  TTable extends SQLiteTable,
-  TRunResult,
-  TReturning extends Record<string, unknown> | undefined = undefined,
-  TDynamic extends boolean = false,
+  out TTable extends SQLiteTable,
+  out TRunResult,
+  out TReturning extends Record<string, unknown> | undefined = undefined,
+  out TDynamic extends boolean = false,
   _TExcludedMethods extends string = never,
-  TEffectHKT extends QueryEffectHKTBase = QueryEffectHKTBase,
+  out TEffectHKT extends QueryEffectHKTBase = QueryEffectHKTBase,
 > extends RunnableQuery<TReturning extends undefined ? TRunResult : TReturning[], "sqlite">,
     SQLWrapper,
     Effect.Effect<
@@ -137,12 +137,12 @@ export interface SQLiteEffectDeleteBase<
 }
 
 export class SQLiteEffectDeleteBase<
-    TTable extends SQLiteTable,
-    TRunResult,
-    TReturning extends Record<string, unknown> | undefined = undefined,
-    TDynamic extends boolean = false,
+    out TTable extends SQLiteTable,
+    out TRunResult,
+    out TReturning extends Record<string, unknown> | undefined = undefined,
+    out TDynamic extends boolean = false,
     _TExcludedMethods extends string = never,
-    TEffectHKT extends QueryEffectHKTBase = QueryEffectHKTBase,
+    out TEffectHKT extends QueryEffectHKTBase = QueryEffectHKTBase,
   >
   implements RunnableQuery<TReturning extends undefined ? TRunResult : TReturning[], "sqlite">, SQLWrapper
 {

packages/effect-drizzle-sqlite/src/sqlite-core/effect/insert.ts

@@ -126,9 +126,9 @@ export type SQLiteEffectInsert<
 export type AnySQLiteEffectInsert = SQLiteEffectInsertBase<any, any, any, any, any, any>
 
 export class SQLiteEffectInsertBuilder<
-  TTable extends SQLiteTable,
-  TRunResult,
-  TEffectHKT extends QueryEffectHKTBase = QueryEffectHKTBase,
+  in out TTable extends SQLiteTable,
+  out TRunResult,
+  out TEffectHKT extends QueryEffectHKTBase = QueryEffectHKTBase,
 > {
   static readonly [entityKind]: string = "SQLiteEffectInsertBuilder"
 
@@ -194,12 +194,12 @@ export class SQLiteEffectInsertBuilder<
 }
 
 export interface SQLiteEffectInsertBase<
-  TTable extends SQLiteTable,
-  TRunResult,
-  TReturning = undefined,
-  TDynamic extends boolean = false,
+  in out TTable extends SQLiteTable,
+  out TRunResult,
+  out TReturning = undefined,
+  out TDynamic extends boolean = false,
   _TExcludedMethods extends string = never,
-  TEffectHKT extends QueryEffectHKTBase = QueryEffectHKTBase,
+  out TEffectHKT extends QueryEffectHKTBase = QueryEffectHKTBase,
 > extends SQLWrapper,
     RunnableQuery<TReturning extends undefined ? TRunResult : TReturning[], "sqlite">,
     Effect.Effect<
@@ -221,12 +221,12 @@ export interface SQLiteEffectInsertBase<
 }
 
 export class SQLiteEffectInsertBase<
-    TTable extends SQLiteTable,
-    TRunResult,
-    TReturning = undefined,
-    TDynamic extends boolean = false,
+    in out TTable extends SQLiteTable,
+    out TRunResult,
+    out TReturning = undefined,
+    out TDynamic extends boolean = false,
     _TExcludedMethods extends string = never,
-    TEffectHKT extends QueryEffectHKTBase = QueryEffectHKTBase,
+    out TEffectHKT extends QueryEffectHKTBase = QueryEffectHKTBase,
   >
   implements RunnableQuery<TReturning extends undefined ? TRunResult : TReturning[], "sqlite">, SQLWrapper
 {

packages/effect-drizzle-sqlite/src/sqlite-core/effect/query.ts

@@ -19,9 +19,9 @@ import type { SQLiteTable } from "drizzle-orm/sqlite-core/table"
 import type { SQLiteEffectPreparedQuery, SQLiteEffectSession } from "./session"
 
 export class SQLiteEffectRelationalQueryBuilder<
-  TSchema extends TablesRelationalConfig,
+  out TSchema extends TablesRelationalConfig,
   TFields extends TableRelationalConfig,
-  TEffectHKT extends QueryEffectHKTBase = QueryEffectHKTBase,
+  out TEffectHKT extends QueryEffectHKTBase = QueryEffectHKTBase,
 > {
   static readonly [entityKind]: string = "SQLiteEffectRelationalQueryBuilderV2"
 

packages/effect-drizzle-sqlite/src/sqlite-core/effect/select.ts

@@ -152,18 +152,18 @@ export interface SQLiteEffectSelectHKT<TEffectHKT extends QueryEffectHKTBase = Q
 }
 
 export interface SQLiteEffectSelectBase<
-  TTableName extends string | undefined,
-  TRunResult,
-  TSelection extends ColumnsSelection,
-  TSelectMode extends SelectMode = "single",
-  TNullabilityMap extends Record<string, JoinNullability> = TTableName extends string
+  out TTableName extends string | undefined,
+  out TRunResult,
+  out TSelection extends ColumnsSelection,
+  out TSelectMode extends SelectMode = "single",
+  out TNullabilityMap extends Record<string, JoinNullability> = TTableName extends string
     ? Record<TTableName, "not-null">
     : {},
-  TDynamic extends boolean = false,
+  out TDynamic extends boolean = false,
   TExcludedMethods extends string = never,
-  TResult extends any[] = SelectResult<TSelection, TSelectMode, TNullabilityMap>[],
-  TSelectedFields extends ColumnsSelection = BuildSubquerySelection<TSelection, TNullabilityMap>,
-  TEffectHKT extends QueryEffectHKTBase = QueryEffectHKTBase,
+  out TResult extends any[] = SelectResult<TSelection, TSelectMode, TNullabilityMap>[],
+  out TSelectedFields extends ColumnsSelection = BuildSubquerySelection<TSelection, TNullabilityMap>,
+  out TEffectHKT extends QueryEffectHKTBase = QueryEffectHKTBase,
 > extends SQLiteSelectQueryBuilderBase<
       SQLiteEffectSelectHKT<TEffectHKT>,
       TTableName,
@@ -180,18 +180,18 @@ export interface SQLiteEffectSelectBase<
     Effect.Effect<TResult, TEffectHKT["error"], TEffectHKT["context"]> {}
 
 export class SQLiteEffectSelectBase<
-    TTableName extends string | undefined,
-    TRunResult,
-    TSelection extends ColumnsSelection,
-    TSelectMode extends SelectMode = "single",
-    TNullabilityMap extends Record<string, JoinNullability> = TTableName extends string
+    out TTableName extends string | undefined,
+    out TRunResult,
+    out TSelection extends ColumnsSelection,
+    out TSelectMode extends SelectMode = "single",
+    out TNullabilityMap extends Record<string, JoinNullability> = TTableName extends string
       ? Record<TTableName, "not-null">
       : {},
-    TDynamic extends boolean = false,
+    out TDynamic extends boolean = false,
     TExcludedMethods extends string = never,
-    TResult extends any[] = SelectResult<TSelection, TSelectMode, TNullabilityMap>[],
-    TSelectedFields extends ColumnsSelection = BuildSubquerySelection<TSelection, TNullabilityMap>,
-    TEffectHKT extends QueryEffectHKTBase = QueryEffectHKTBase,
+    out TResult extends any[] = SelectResult<TSelection, TSelectMode, TNullabilityMap>[],
+    out TSelectedFields extends ColumnsSelection = BuildSubquerySelection<TSelection, TNullabilityMap>,
+    out TEffectHKT extends QueryEffectHKTBase = QueryEffectHKTBase,
   >
   extends SQLiteSelectQueryBuilderBase<
     SQLiteEffectSelectHKT<TEffectHKT>,

packages/effect-drizzle-sqlite/src/sqlite-core/effect/update.ts

@@ -158,9 +158,9 @@ export type SQLiteEffectUpdateJoinFn<T extends AnySQLiteEffectUpdate> = <
 ) => T
 
 export class SQLiteEffectUpdateBuilder<
-  TTable extends SQLiteTable,
-  TRunResult,
-  TEffectHKT extends QueryEffectHKTBase = QueryEffectHKTBase,
+  in out TTable extends SQLiteTable,
+  out TRunResult,
+  out TEffectHKT extends QueryEffectHKTBase = QueryEffectHKTBase,
 > {
   static readonly [entityKind]: string = "SQLiteEffectUpdateBuilder"
 
@@ -193,13 +193,13 @@ export class SQLiteEffectUpdateBuilder<
 }
 
 export interface SQLiteEffectUpdateBase<
-  TTable extends SQLiteTable = SQLiteTable,
-  TRunResult = unknown,
-  TFrom extends SQLiteTable | Subquery | SQLiteViewBase | SQL | undefined = undefined,
-  TReturning = undefined,
-  TDynamic extends boolean = false,
+  out TTable extends SQLiteTable = SQLiteTable,
+  out TRunResult = unknown,
+  out TFrom extends SQLiteTable | Subquery | SQLiteViewBase | SQL | undefined = undefined,
+  out TReturning = undefined,
+  out TDynamic extends boolean = false,
   _TExcludedMethods extends string = never,
-  TEffectHKT extends QueryEffectHKTBase = QueryEffectHKTBase,
+  out TEffectHKT extends QueryEffectHKTBase = QueryEffectHKTBase,
 > extends SQLWrapper,
     RunnableQuery<TReturning extends undefined ? TRunResult : TReturning[], "sqlite">,
     Effect.Effect<
@@ -222,13 +222,13 @@ export interface SQLiteEffectUpdateBase<
 }
 
 export class SQLiteEffectUpdateBase<
-    TTable extends SQLiteTable = SQLiteTable,
-    TRunResult = unknown,
-    TFrom extends SQLiteTable | Subquery | SQLiteViewBase | SQL | undefined = undefined,
-    TReturning = undefined,
-    TDynamic extends boolean = false,
+    out TTable extends SQLiteTable = SQLiteTable,
+    out TRunResult = unknown,
+    out TFrom extends SQLiteTable | Subquery | SQLiteViewBase | SQL | undefined = undefined,
+    out TReturning = undefined,
+    out TDynamic extends boolean = false,
     _TExcludedMethods extends string = never,
-    TEffectHKT extends QueryEffectHKTBase = QueryEffectHKTBase,
+    out TEffectHKT extends QueryEffectHKTBase = QueryEffectHKTBase,
   >
   implements RunnableQuery<TReturning extends undefined ? TRunResult : TReturning[], "sqlite">, SQLWrapper
 {

packages/plugin/src/effect/session.ts

@@ -3,7 +3,7 @@ import type { Message, SystemPart } from "@opencode-ai/ai"
 import type { Agent } from "@opencode-ai/schema/agent"
 import type { Model } from "@opencode-ai/schema/model"
 import type { Session } from "@opencode-ai/schema/session"
-import type { JsonSchema } from "effect"
+import type { Effect, JsonSchema } from "effect"
 import type { Hooks } from "./registration.js"
 
 export interface SessionContext {
@@ -15,25 +15,23 @@ export interface SessionContext {
   tools: Record<string, { description: string; input: JsonSchema.JsonSchema }>
 }
 
-export interface SessionHttpRequest {
+export interface SessionHttp {
   readonly sessionID: Session.ID
   readonly agent: Agent.ID
   readonly model: Model.Ref
-  request: Request
+  readonly use: (middleware: SessionHttpMiddleware) => Effect.Effect<void>
 }
 
-export interface SessionHttpResponse {
-  readonly sessionID: Session.ID
-  readonly agent: Agent.ID
-  readonly model: Model.Ref
-  readonly request: Request
-  response: Response
-}
+export type SessionHttpHandler = (request: Request) => Effect.Effect<Response, Error>
+
+export type SessionHttpMiddleware = (
+  request: Request,
+  next: SessionHttpHandler,
+) => Effect.Effect<Response, Error>
 
 export interface SessionHooks {
   readonly context: SessionContext
-  readonly "http.request": SessionHttpRequest
-  readonly "http.response": SessionHttpResponse
+  readonly http: SessionHttp
 }
 
 export type SessionDomain = Pick<

packages/plugin/src/effect/tool.ts

@@ -4,7 +4,7 @@ import type { Session } from "@opencode-ai/schema/session"
 import type { SessionMessage } from "@opencode-ai/schema/session-message"
 import type { Hooks, Transform } from "./registration.js"
 
-interface ToolDraft {
+export interface ToolDraft {
   add<
     Input extends Tool.ValueSchema<any>,
     Output extends Tool.ValueSchema<any> | undefined,

packages/plugin/src/promise/session.ts

@@ -15,25 +15,23 @@ export interface SessionContext {
   tools: Record<string, { description: string; input: JsonSchema.JsonSchema }>
 }
 
-export interface SessionHttpRequest {
+export interface SessionHttp {
   readonly sessionID: Session.ID
   readonly agent: Agent.ID
   readonly model: Model.Ref
-  request: Request
+  readonly use: (middleware: SessionHttpMiddleware) => void
 }
 
-export interface SessionHttpResponse {
-  readonly sessionID: Session.ID
-  readonly agent: Agent.ID
-  readonly model: Model.Ref
-  readonly request: Request
-  response: Response
-}
+export type SessionHttpHandler = (request: Request) => Promise<Response>
+
+export type SessionHttpMiddleware = (
+  request: Request,
+  next: SessionHttpHandler,
+) => Promise<Response> | Response
 
 export interface SessionHooks {
   readonly context: SessionContext
-  readonly "http.request": SessionHttpRequest
-  readonly "http.response": SessionHttpResponse
+  readonly http: SessionHttp
 }
 
 export type SessionDomain = Pick<