test(core): tighten environment conformance cleanup

Co-authored-by: Kit Langton <kit.langton@gmail.com>

packages/ai/src/schema/options.ts

@@ -178,6 +178,7 @@ 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" },
+      compatibility: { toolSchema: "gemini", requireFinishReason: false },
     })
     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" })
+    expect(updated.compatibility).toEqual({ toolSchema: "gemini", requireFinishReason: false })
     expect(updatedInput.defaults).toBe(updated.defaults)
     expect(updatedInput.compatibility).toBe(updated.compatibility)
     expect(String(updatedInput.provider)).toBe("fake")

packages/cli/src/commands/commands.ts

@@ -140,6 +140,32 @@ 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

@@ -0,0 +1,140 @@
+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

@@ -0,0 +1,60 @@
+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/index.ts

@@ -37,6 +37,8 @@ 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/test/import-export.test.ts

@@ -0,0 +1,210 @@
+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/client/src/effect/api/api.ts

@@ -127,42 +127,54 @@ export type Endpoint5_1Input = {
 export type Endpoint5_1Output = Session.Info
 export type SessionCreateOperation<E = never> = (input?: Endpoint5_1Input) => Effect.Effect<Endpoint5_1Output, 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_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_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_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_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_4Output = { readonly [x: Session.ID]: { readonly type: "running" } }
+export type SessionActiveOperation<E = never> = () => Effect.Effect<Endpoint5_4Output, E>
 
-export type Endpoint5_5Input = { readonly sessionID: Session.ID; readonly boundary: Session.ForkRequestBoundary }
+export type Endpoint5_5Input = { readonly sessionID: Session.ID }
 export type Endpoint5_5Output = Session.Info
-export type SessionForkOperation<E = never> = (input: Endpoint5_5Input) => Effect.Effect<Endpoint5_5Output, E>
+export type SessionGetOperation<E = never> = (input: Endpoint5_5Input) => Effect.Effect<Endpoint5_5Output, E>
 
-export type Endpoint5_6Input = { readonly sessionID: Session.ID; readonly agent: Agent.ID }
+export type Endpoint5_6Input = { readonly sessionID: Session.ID }
 export type Endpoint5_6Output = void
-export type SessionSwitchAgentOperation<E = never> = (input: Endpoint5_6Input) => Effect.Effect<Endpoint5_6Output, E>
+export type SessionRemoveOperation<E = never> = (input: Endpoint5_6Input) => Effect.Effect<Endpoint5_6Output, 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_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_8Input = { readonly sessionID: Session.ID; readonly title: string }
+export type Endpoint5_8Input = { readonly sessionID: Session.ID; readonly agent: Agent.ID }
 export type Endpoint5_8Output = void
-export type SessionRenameOperation<E = never> = (input: Endpoint5_8Input) => Effect.Effect<Endpoint5_8Output, E>
+export type SessionSwitchAgentOperation<E = never> = (input: Endpoint5_8Input) => Effect.Effect<Endpoint5_8Output, E>
 
-export type Endpoint5_9Input = {
+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 = {
   readonly sessionID: Session.ID
   readonly directory: AbsolutePath
   readonly workspaceID?: Workspace.ID | undefined
 }
-export type Endpoint5_9Output = void
-export type SessionMoveOperation<E = never> = (input: Endpoint5_9Input) => Effect.Effect<Endpoint5_9Output, E>
+export type Endpoint5_11Output = void
+export type SessionMoveOperation<E = never> = (input: Endpoint5_11Input) => Effect.Effect<Endpoint5_11Output, E>
 
-export type Endpoint5_10Input = {
+export type Endpoint5_12Input = {
   readonly sessionID: Session.ID
   readonly id?: SessionMessage.ID | undefined
   readonly text: string
@@ -172,10 +184,10 @@ export type Endpoint5_10Input = {
   readonly delivery?: "steer" | "queue" | undefined
   readonly resume?: boolean | undefined
 }
-export type Endpoint5_10Output = SessionPending.User
-export type SessionPromptOperation<E = never> = (input: Endpoint5_10Input) => Effect.Effect<Endpoint5_10Output, E>
+export type Endpoint5_12Output = SessionPending.User
+export type SessionPromptOperation<E = never> = (input: Endpoint5_12Input) => Effect.Effect<Endpoint5_12Output, E>
 
-export type Endpoint5_11Input = {
+export type Endpoint5_13Input = {
   readonly sessionID: Session.ID
   readonly id?: SessionMessage.ID | undefined
   readonly command: string
@@ -187,19 +199,19 @@ export type Endpoint5_11Input = {
   readonly delivery?: "steer" | "queue" | undefined
   readonly resume?: boolean | undefined
 }
-export type Endpoint5_11Output = SessionPending.User
-export type SessionCommandOperation<E = never> = (input: Endpoint5_11Input) => Effect.Effect<Endpoint5_11Output, E>
+export type Endpoint5_13Output = SessionPending.User
+export type SessionCommandOperation<E = never> = (input: Endpoint5_13Input) => Effect.Effect<Endpoint5_13Output, E>
 
-export type Endpoint5_12Input = {
+export type Endpoint5_14Input = {
   readonly sessionID: Session.ID
   readonly id?: SessionMessage.ID | undefined
   readonly skill: Skill.ID
   readonly resume?: boolean | undefined
 }
-export type Endpoint5_12Output = void
-export type SessionSkillOperation<E = never> = (input: Endpoint5_12Input) => Effect.Effect<Endpoint5_12Output, E>
+export type Endpoint5_14Output = void
+export type SessionSkillOperation<E = never> = (input: Endpoint5_14Input) => Effect.Effect<Endpoint5_14Output, E>
 
-export type Endpoint5_13Input = {
+export type Endpoint5_15Input = {
   readonly sessionID: Session.ID
   readonly id?: SessionMessage.ID | undefined
   readonly text: string
@@ -208,81 +220,81 @@ export type Endpoint5_13Input = {
   readonly delivery?: "steer" | "queue" | undefined
   readonly resume?: boolean | undefined
 }
-export type Endpoint5_13Output = SessionPending.Synthetic
-export type SessionSyntheticOperation<E = never> = (input: Endpoint5_13Input) => Effect.Effect<Endpoint5_13Output, E>
+export type Endpoint5_15Output = SessionPending.Synthetic
+export type SessionSyntheticOperation<E = never> = (input: Endpoint5_15Input) => Effect.Effect<Endpoint5_15Output, E>
 
-export type Endpoint5_14Input = {
+export type Endpoint5_16Input = {
   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 SessionWaitOperation<E = never> = (input: Endpoint5_16Input) => Effect.Effect<Endpoint5_16Output, E>
+export type SessionShellOperation<E = never> = (input: Endpoint5_16Input) => Effect.Effect<Endpoint5_16Output, E>
 
-export type Endpoint5_17Input = {
+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 = {
   readonly sessionID: Session.ID
   readonly messageID: SessionMessage.ID
   readonly files?: boolean | undefined
 }
-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_19Output = Session.Revert
+export type SessionRevertStageOperation<E = never> = (input: Endpoint5_19Input) => Effect.Effect<Endpoint5_19Output, E>
 
 export type Endpoint5_20Input = { readonly sessionID: Session.ID }
-export type Endpoint5_20Output = ReadonlyArray<SessionMessage.Info>
-export type SessionContextOperation<E = never> = (input: Endpoint5_20Input) => Effect.Effect<Endpoint5_20Output, E>
+export type Endpoint5_20Output = void
+export type SessionRevertClearOperation<E = never> = (input: Endpoint5_20Input) => Effect.Effect<Endpoint5_20Output, E>
 
 export type Endpoint5_21Input = { readonly sessionID: Session.ID }
-export type Endpoint5_21Output = ReadonlyArray<SessionPending.Info>
-export type SessionPendingListOperation<E = never> = (input: Endpoint5_21Input) => Effect.Effect<Endpoint5_21Output, E>
+export type Endpoint5_21Output = void
+export type SessionRevertCommitOperation<E = never> = (input: Endpoint5_21Input) => Effect.Effect<Endpoint5_21Output, E>
 
 export type Endpoint5_22Input = { readonly sessionID: Session.ID }
-export type Endpoint5_22Output = ReadonlyArray<InstructionEntry.Info>
-export type SessionInstructionsEntryListOperation<E = never> = (
-  input: Endpoint5_22Input,
-) => Effect.Effect<Endpoint5_22Output, E>
+export type Endpoint5_22Output = ReadonlyArray<SessionMessage.Info>
+export type SessionContextOperation<E = never> = (input: Endpoint5_22Input) => Effect.Effect<Endpoint5_22Output, E>
 
-export type Endpoint5_23Input = {
+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 SessionInstructionsEntryListOperation<E = never> = (
+  input: Endpoint5_24Input,
+) => Effect.Effect<Endpoint5_24Output, E>
+
+export type Endpoint5_25Input = {
   readonly sessionID: Session.ID
   readonly key: InstructionEntry.Key
   readonly value: Schema.Json
 }
-export type Endpoint5_23Output = void
+export type Endpoint5_25Output = void
 export type SessionInstructionsEntryPutOperation<E = never> = (
-  input: Endpoint5_23Input,
-) => Effect.Effect<Endpoint5_23Output, E>
+  input: Endpoint5_25Input,
+) => Effect.Effect<Endpoint5_25Output, E>
 
-export type Endpoint5_24Input = { readonly sessionID: Session.ID; readonly key: InstructionEntry.Key }
-export type Endpoint5_24Output = void
+export type Endpoint5_26Input = { readonly sessionID: Session.ID; readonly key: InstructionEntry.Key }
+export type Endpoint5_26Output = void
 export type SessionInstructionsEntryRemoveOperation<E = never> = (
-  input: Endpoint5_24Input,
-) => Effect.Effect<Endpoint5_24Output, E>
+  input: Endpoint5_26Input,
+) => Effect.Effect<Endpoint5_26Output, 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_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_26Input = {
+export type Endpoint5_28Input = {
   readonly sessionID: Session.ID
   readonly after?: Event.Seq | undefined
   readonly follow?: boolean | undefined
 }
-export type Endpoint5_26Output =
+export type Endpoint5_28Output =
   | (
       | {
           readonly id: Event.ID
@@ -850,23 +862,25 @@ export type Endpoint5_26Output =
         }
     )
   | EventLog.Synced
-export type SessionLogOperation<E = never> = (input: Endpoint5_26Input) => Stream.Stream<Endpoint5_26Output, E>
+export type SessionLogOperation<E = never> = (input: Endpoint5_28Input) => Stream.Stream<Endpoint5_28Output, 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_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_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_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_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 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 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,
@@ -76,6 +76,10 @@ import type {
   Endpoint5_28Output,
   Endpoint5_29Input,
   Endpoint5_29Output,
+  Endpoint5_30Input,
+  Endpoint5_30Output,
+  Endpoint5_31Input,
+  Endpoint5_31Output,
   Endpoint6_0Input,
   Endpoint6_0Output,
   Endpoint7_0Input,
@@ -317,9 +321,11 @@ const Endpoint5_1 = (raw: RawClient["server.session"]) => (input?: Endpoint5_1In
     ),
   )
 
-const Endpoint5_2 = (raw: RawClient["server.session"]) => () =>
+const Endpoint5_2 = (raw: RawClient["server.session"]) => (input: Endpoint5_2Input) =>
   preserveEffect<Endpoint5_2Output>()(
-    raw["session.active"]({}).pipe(
+    raw["session.import"]({
+      payload: { info: input["info"], messages: input["messages"], location: input["location"] },
+    }).pipe(
       Effect.mapError(mapClientError),
       Effect.map((value) => value.data),
     ),
@@ -327,20 +333,23 @@ const Endpoint5_2 = (raw: RawClient["server.session"]) => () =>
 
 const Endpoint5_3 = (raw: RawClient["server.session"]) => (input: Endpoint5_3Input) =>
   preserveEffect<Endpoint5_3Output>()(
-    raw["session.get"]({ params: { sessionID: input["sessionID"] } }).pipe(
+    raw["session.export"]({ params: { sessionID: input["sessionID"] }, query: { sanitize: input["sanitize"] } }).pipe(
       Effect.mapError(mapClientError),
       Effect.map((value) => value.data),
     ),
   )
 
-const Endpoint5_4 = (raw: RawClient["server.session"]) => (input: Endpoint5_4Input) =>
+const Endpoint5_4 = (raw: RawClient["server.session"]) => () =>
   preserveEffect<Endpoint5_4Output>()(
-    raw["session.remove"]({ params: { sessionID: input["sessionID"] } }).pipe(Effect.mapError(mapClientError)),
+    raw["session.active"]({}).pipe(
+      Effect.mapError(mapClientError),
+      Effect.map((value) => value.data),
+    ),
   )
 
 const Endpoint5_5 = (raw: RawClient["server.session"]) => (input: Endpoint5_5Input) =>
   preserveEffect<Endpoint5_5Output>()(
-    raw["session.fork"]({ params: { sessionID: input["sessionID"] }, payload: { boundary: input["boundary"] } }).pipe(
+    raw["session.get"]({ params: { sessionID: input["sessionID"] } }).pipe(
       Effect.mapError(mapClientError),
       Effect.map((value) => value.data),
     ),
@@ -348,35 +357,48 @@ 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.switchAgent"]({ params: { sessionID: input["sessionID"] }, payload: { agent: input["agent"] } }).pipe(
-      Effect.mapError(mapClientError),
-    ),
+    raw["session.remove"]({ params: { sessionID: input["sessionID"] } }).pipe(Effect.mapError(mapClientError)),
   )
 
 const Endpoint5_7 = (raw: RawClient["server.session"]) => (input: Endpoint5_7Input) =>
   preserveEffect<Endpoint5_7Output>()(
-    raw["session.switchModel"]({ params: { sessionID: input["sessionID"] }, payload: { model: input["model"] } }).pipe(
+    raw["session.fork"]({ params: { sessionID: input["sessionID"] }, payload: { boundary: input["boundary"] } }).pipe(
       Effect.mapError(mapClientError),
+      Effect.map((value) => value.data),
     ),
   )
 
 const Endpoint5_8 = (raw: RawClient["server.session"]) => (input: Endpoint5_8Input) =>
   preserveEffect<Endpoint5_8Output>()(
-    raw["session.rename"]({ params: { sessionID: input["sessionID"] }, payload: { title: input["title"] } }).pipe(
+    raw["session.switchAgent"]({ params: { sessionID: input["sessionID"] }, payload: { agent: input["agent"] } }).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_10 = (raw: RawClient["server.session"]) => (input: Endpoint5_10Input) =>
-  preserveEffect<Endpoint5_10Output>()(
+const Endpoint5_12 = (raw: RawClient["server.session"]) => (input: Endpoint5_12Input) =>
+  preserveEffect<Endpoint5_12Output>()(
     raw["session.prompt"]({
       params: { sessionID: input["sessionID"] },
       payload: {
@@ -394,8 +416,8 @@ const Endpoint5_10 = (raw: RawClient["server.session"]) => (input: Endpoint5_10I
     ),
   )
 
-const Endpoint5_11 = (raw: RawClient["server.session"]) => (input: Endpoint5_11Input) =>
-  preserveEffect<Endpoint5_11Output>()(
+const Endpoint5_13 = (raw: RawClient["server.session"]) => (input: Endpoint5_13Input) =>
+  preserveEffect<Endpoint5_13Output>()(
     raw["session.command"]({
       params: { sessionID: input["sessionID"] },
       payload: {
@@ -415,16 +437,16 @@ const Endpoint5_11 = (raw: RawClient["server.session"]) => (input: Endpoint5_11I
     ),
   )
 
-const Endpoint5_12 = (raw: RawClient["server.session"]) => (input: Endpoint5_12Input) =>
-  preserveEffect<Endpoint5_12Output>()(
+const Endpoint5_14 = (raw: RawClient["server.session"]) => (input: Endpoint5_14Input) =>
+  preserveEffect<Endpoint5_14Output>()(
     raw["session.skill"]({
       params: { sessionID: input["sessionID"] },
       payload: { id: input["id"], skill: input["skill"], resume: input["resume"] },
     }).pipe(Effect.mapError(mapClientError)),
   )
 
-const Endpoint5_13 = (raw: RawClient["server.session"]) => (input: Endpoint5_13Input) =>
-  preserveEffect<Endpoint5_13Output>()(
+const Endpoint5_15 = (raw: RawClient["server.session"]) => (input: Endpoint5_15Input) =>
+  preserveEffect<Endpoint5_15Output>()(
     raw["session.synthetic"]({
       params: { sessionID: input["sessionID"] },
       payload: {
@@ -441,29 +463,29 @@ 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_16 = (raw: RawClient["server.session"]) => (input: Endpoint5_16Input) =>
+  preserveEffect<Endpoint5_16Output>()(
     raw["session.shell"]({
       params: { sessionID: input["sessionID"] },
       payload: { id: input["id"], command: input["command"] },
     }).pipe(Effect.mapError(mapClientError)),
   )
 
-const Endpoint5_15 = (raw: RawClient["server.session"]) => (input: Endpoint5_15Input) =>
-  preserveEffect<Endpoint5_15Output>()(
+const Endpoint5_17 = (raw: RawClient["server.session"]) => (input: Endpoint5_17Input) =>
+  preserveEffect<Endpoint5_17Output>()(
     raw["session.compact"]({ params: { sessionID: input["sessionID"] }, payload: { id: input["id"] } }).pipe(
       Effect.mapError(mapClientError),
       Effect.map((value) => value.data),
     ),
   )
 
-const Endpoint5_16 = (raw: RawClient["server.session"]) => (input: Endpoint5_16Input) =>
-  preserveEffect<Endpoint5_16Output>()(
+const Endpoint5_18 = (raw: RawClient["server.session"]) => (input: Endpoint5_18Input) =>
+  preserveEffect<Endpoint5_18Output>()(
     raw["session.wait"]({ params: { sessionID: input["sessionID"] } }).pipe(Effect.mapError(mapClientError)),
   )
 
-const Endpoint5_17 = (raw: RawClient["server.session"]) => (input: Endpoint5_17Input) =>
-  preserveEffect<Endpoint5_17Output>()(
+const Endpoint5_19 = (raw: RawClient["server.session"]) => (input: Endpoint5_19Input) =>
+  preserveEffect<Endpoint5_19Output>()(
     raw["session.revert.stage"]({
       params: { sessionID: input["sessionID"] },
       payload: { messageID: input["messageID"], files: input["files"] },
@@ -473,35 +495,19 @@ const Endpoint5_17 = (raw: RawClient["server.session"]) => (input: Endpoint5_17I
     ),
   )
 
-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.context"]({ params: { sessionID: input["sessionID"] } }).pipe(
-      Effect.mapError(mapClientError),
-      Effect.map((value) => value.data),
-    ),
+    raw["session.revert.clear"]({ params: { sessionID: input["sessionID"] } }).pipe(Effect.mapError(mapClientError)),
   )
 
 const Endpoint5_21 = (raw: RawClient["server.session"]) => (input: Endpoint5_21Input) =>
   preserveEffect<Endpoint5_21Output>()(
-    raw["session.pending.list"]({ params: { sessionID: input["sessionID"] } }).pipe(
-      Effect.mapError(mapClientError),
-      Effect.map((value) => value.data),
-    ),
+    raw["session.revert.commit"]({ params: { sessionID: input["sessionID"] } }).pipe(Effect.mapError(mapClientError)),
   )
 
 const Endpoint5_22 = (raw: RawClient["server.session"]) => (input: Endpoint5_22Input) =>
   preserveEffect<Endpoint5_22Output>()(
-    raw["session.instructions.entry.list"]({ params: { sessionID: input["sessionID"] } }).pipe(
+    raw["session.context"]({ params: { sessionID: input["sessionID"] } }).pipe(
       Effect.mapError(mapClientError),
       Effect.map((value) => value.data),
     ),
@@ -509,29 +515,45 @@ 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_24 = (raw: RawClient["server.session"]) => (input: Endpoint5_24Input) =>
-  preserveEffect<Endpoint5_24Output>()(
+const Endpoint5_26 = (raw: RawClient["server.session"]) => (input: Endpoint5_26Input) =>
+  preserveEffect<Endpoint5_26Output>()(
     raw["session.instructions.entry.remove"]({ params: { sessionID: input["sessionID"], key: input["key"] } }).pipe(
       Effect.mapError(mapClientError),
     ),
   )
 
-const Endpoint5_25 = (raw: RawClient["server.session"]) => (input: Endpoint5_25Input) =>
-  preserveEffect<Endpoint5_25Output>()(
+const Endpoint5_27 = (raw: RawClient["server.session"]) => (input: Endpoint5_27Input) =>
+  preserveEffect<Endpoint5_27Output>()(
     raw["session.generate"]({ params: { sessionID: input["sessionID"] }, payload: { prompt: input["prompt"] } }).pipe(
       Effect.mapError(mapClientError),
       Effect.map((value) => value.data),
     ),
   )
 
-const Endpoint5_26 = (raw: RawClient["server.session"]) => (input: Endpoint5_26Input) =>
-  preserveStream<Endpoint5_26Output>()(
+const Endpoint5_28 = (raw: RawClient["server.session"]) => (input: Endpoint5_28Input) =>
+  preserveStream<Endpoint5_28Output>()(
     Stream.unwrap(
       raw["session.log"]({
         params: { sessionID: input["sessionID"] },
@@ -543,18 +565,18 @@ const Endpoint5_26 = (raw: RawClient["server.session"]) => (input: Endpoint5_26I
     ),
   )
 
-const Endpoint5_27 = (raw: RawClient["server.session"]) => (input: Endpoint5_27Input) =>
-  preserveEffect<Endpoint5_27Output>()(
+const Endpoint5_29 = (raw: RawClient["server.session"]) => (input: Endpoint5_29Input) =>
+  preserveEffect<Endpoint5_29Output>()(
     raw["session.interrupt"]({ params: { sessionID: input["sessionID"] } }).pipe(Effect.mapError(mapClientError)),
   )
 
-const Endpoint5_28 = (raw: RawClient["server.session"]) => (input: Endpoint5_28Input) =>
-  preserveEffect<Endpoint5_28Output>()(
+const Endpoint5_30 = (raw: RawClient["server.session"]) => (input: Endpoint5_30Input) =>
+  preserveEffect<Endpoint5_30Output>()(
     raw["session.background"]({ params: { sessionID: input["sessionID"] } }).pipe(Effect.mapError(mapClientError)),
   )
 
-const Endpoint5_29 = (raw: RawClient["server.session"]) => (input: Endpoint5_29Input) =>
-  preserveEffect<Endpoint5_29Output>()(
+const Endpoint5_31 = (raw: RawClient["server.session"]) => (input: Endpoint5_31Input) =>
+  preserveEffect<Endpoint5_31Output>()(
     raw["session.message"]({ params: { sessionID: input["sessionID"], messageID: input["messageID"] } }).pipe(
       Effect.mapError(mapClientError),
       Effect.map((value) => value.data),
@@ -564,30 +586,32 @@ const Endpoint5_29 = (raw: RawClient["server.session"]) => (input: Endpoint5_29I
 const adaptGroup5 = (raw: RawClient["server.session"]) => ({
   list: Endpoint5_0(raw),
   create: Endpoint5_1(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),
+  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),
 })
 
 const Endpoint6_0 = (raw: RawClient["server.message"]) => (input: Endpoint6_0Input) =>

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

@@ -15,6 +15,10 @@ import type {
   SessionListOutput,
   SessionCreateInput,
   SessionCreateOutput,
+  SessionImportInput,
+  SessionImportOutput,
+  SessionExportInput,
+  SessionExportOutput,
   SessionActiveOutput,
   SessionGetInput,
   SessionGetOutput,
@@ -478,6 +482,30 @@ 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/src/promise/generated/types.ts

@@ -35,18 +35,6 @@ export type FileDiffInfo = {
   status: "added" | "deleted" | "modified"
 }
 
-export type SessionActive = { type: "running" }
-
-export type PromptBase64 = string
-
-export type PromptFileSource = { type: "inline" } | { type: "uri"; uri: string }
-
-export type PromptMention = { start: number; end: number; text: string }
-
-export type SessionPendingSyntheticData = { text: string; description?: string; metadata?: { [x: string]: JsonValue } }
-
-export type SessionPendingCompaction = { id: string; sessionID: string; timeCreated: number; type: "compaction" }
-
 export type SessionMessageAgentSelected = {
   id: string
   metadata?: { [x: string]: JsonValue }
@@ -55,6 +43,12 @@ export type SessionMessageAgentSelected = {
   agent: string
 }
 
+export type PromptBase64 = string
+
+export type PromptFileSource = { type: "inline" } | { type: "uri"; uri: string }
+
+export type PromptMention = { start: number; end: number; text: string }
+
 export type SessionMessageSynthetic = {
   id: string
   metadata?: { [x: string]: JsonValue }
@@ -132,6 +126,12 @@ export type SessionMessageCompactionCompleted = {
   recent: string
 }
 
+export type SessionActive = { type: "running" }
+
+export type SessionPendingSyntheticData = { text: string; description?: string; metadata?: { [x: string]: JsonValue } }
+
+export type SessionPendingCompaction = { id: string; sessionID: string; timeCreated: number; type: "compaction" }
+
 export type InstructionEntryKey = string
 
 export type SessionGenerateResponse = { data: { text: string } }
@@ -169,6 +169,8 @@ export type EventLogSynced = { type: "log.synced"; aggregateID: string; seq?: nu
 
 export type ModelReasoningField = "reasoning" | "reasoning_content" | "reasoning_text" | (string & {})
 
+export type ModelMaxTokensField = "max_completion_tokens" | "max_tokens"
+
 export type ModelCapabilities = { tools: boolean; input: Array<string>; output: Array<string> }
 
 export type ModelVariant = {
@@ -1048,15 +1050,6 @@ export type PromptFileAttachment = {
 
 export type PromptAgentAttachment = { name: string; mention?: PromptMention }
 
-export type SessionPendingSynthetic = {
-  id: string
-  sessionID: string
-  timeCreated: number
-  type: "synthetic"
-  data: SessionPendingSyntheticData
-  delivery: "steer" | "queue"
-}
-
 export type SessionMessageAssistantText = { type: "text"; text: string; state?: SessionMessageProviderState }
 
 export type SessionMessageAssistantReasoning = {
@@ -1128,6 +1121,15 @@ export type SessionCompactionFailed = {
   data: { sessionID: string; reason: "auto" | "manual"; error: SessionStructuredError; inputID?: string }
 }
 
+export type SessionPendingSynthetic = {
+  id: string
+  sessionID: string
+  timeCreated: number
+  type: "synthetic"
+  data: SessionPendingSyntheticData
+  delivery: "steer" | "queue"
+}
+
 export type InstructionEntryInfo = { key: InstructionEntryKey; value: JsonValue }
 
 export type SessionPendingSyntheticMessage = {
@@ -1230,7 +1232,11 @@ export type SessionToolCalled = {
 
 export type ToolContent1 = ToolTextContent | ToolFileContent1
 
-export type ModelCompatibility = { reasoningField?: ModelReasoningField }
+export type ModelCompatibility = {
+  reasoningField?: ModelReasoningField
+  maxTokensField?: ModelMaxTokensField
+  requireFinishReason?: boolean
+}
 
 export type ModelCost = {
   tier?: { type: "context"; size: number }
@@ -1522,13 +1528,6 @@ export type SessionRevertStaged = {
   data: { sessionID: string; revert: SessionRevert }
 }
 
-export type SessionPendingUserData = {
-  text: string
-  files?: Array<PromptFileAttachment>
-  agents?: Array<PromptAgentAttachment>
-  metadata?: { [x: string]: JsonValue }
-}
-
 export type SessionMessageUser = {
   id: string
   metadata?: { [x: string]: JsonValue }
@@ -1539,6 +1538,13 @@ export type SessionMessageUser = {
   type: "user"
 }
 
+export type SessionPendingUserData = {
+  text: string
+  files?: Array<PromptFileAttachment>
+  agents?: Array<PromptAgentAttachment>
+  metadata?: { [x: string]: JsonValue }
+}
+
 export type SessionPendingUserData1 = {
   text: string
   files?: Array<PromptFileAttachment>
@@ -1995,6 +2001,8 @@ export type SessionEventDurable =
   | SessionRevertCommitted
   | SessionUsageRecorded
 
+export type SessionTransferData = { info: SessionInfo; messages: Array<SessionMessageInfo> }
+
 export type SessionMessagesResponse = {
   data: Array<SessionMessageInfo>
   cursor: { previous?: string | null; next?: string | null }
@@ -2114,6 +2122,14 @@ export type InvalidCursorError = { readonly _tag: "InvalidCursorError"; readonly
 export const isInvalidCursorError = (value: unknown): value is InvalidCursorError =>
   typeof value === "object" && value !== null && "_tag" in value && value["_tag"] === "InvalidCursorError"
 
+export type ConflictError = {
+  readonly _tag: "ConflictError"
+  readonly message: string
+  readonly resource?: string | undefined
+}
+export const isConflictError = (value: unknown): value is ConflictError =>
+  typeof value === "object" && value !== null && "_tag" in value && value["_tag"] === "ConflictError"
+
 export type SessionNotFoundError = {
   readonly _tag: "SessionNotFoundError"
   readonly sessionID: string
@@ -2122,6 +2138,14 @@ export type SessionNotFoundError = {
 export const isSessionNotFoundError = (value: unknown): value is SessionNotFoundError =>
   typeof value === "object" && value !== null && "_tag" in value && value["_tag"] === "SessionNotFoundError"
 
+export type UnknownError = {
+  readonly _tag: "UnknownError"
+  readonly message: string
+  readonly ref?: string | undefined
+}
+export const isUnknownError = (value: unknown): value is UnknownError =>
+  typeof value === "object" && value !== null && "_tag" in value && value["_tag"] === "UnknownError"
+
 export type MessageNotFoundError = {
   readonly _tag: "MessageNotFoundError"
   readonly sessionID: string
@@ -2131,14 +2155,6 @@ export type MessageNotFoundError = {
 export const isMessageNotFoundError = (value: unknown): value is MessageNotFoundError =>
   typeof value === "object" && value !== null && "_tag" in value && value["_tag"] === "MessageNotFoundError"
 
-export type ConflictError = {
-  readonly _tag: "ConflictError"
-  readonly message: string
-  readonly resource?: string | undefined
-}
-export const isConflictError = (value: unknown): value is ConflictError =>
-  typeof value === "object" && value !== null && "_tag" in value && value["_tag"] === "ConflictError"
-
 export type CommandNotFoundError = {
   readonly _tag: "CommandNotFoundError"
   readonly command: string
@@ -2179,14 +2195,6 @@ export type SessionBusyError = {
 export const isSessionBusyError = (value: unknown): value is SessionBusyError =>
   typeof value === "object" && value !== null && "_tag" in value && value["_tag"] === "SessionBusyError"
 
-export type UnknownError = {
-  readonly _tag: "UnknownError"
-  readonly message: string
-  readonly ref?: string | undefined
-}
-export const isUnknownError = (value: unknown): value is UnknownError =>
-  typeof value === "object" && value !== null && "_tag" in value && value["_tag"] === "UnknownError"
-
 export type InstructionEntryValueTooLargeError = {
   readonly _tag: "InstructionEntryValueTooLargeError"
   readonly actualBytes: number
@@ -2464,6 +2472,753 @@ export type SessionCreateInput = {
 
 export type SessionCreateOutput = { data: SessionInfo }["data"]
 
+export type SessionImportInput = {
+  readonly info: {
+    readonly info: {
+      readonly id: string
+      readonly parentID?: string
+      readonly fork?: {
+        readonly sessionID: string
+        readonly boundary:
+          | { readonly type: "before"; readonly messageID: string }
+          | { readonly type: "through"; readonly messageID: string }
+      }
+      readonly projectID: string
+      readonly agent?: string
+      readonly model?: { readonly id: string; readonly providerID: string; readonly variant?: string }
+      readonly cost: number
+      readonly tokens: {
+        readonly input: number
+        readonly output: number
+        readonly reasoning: number
+        readonly cache: { readonly read: number; readonly write: number }
+      }
+      readonly time: { readonly created: number; readonly updated: number; readonly archived?: number }
+      readonly title?: string
+      readonly location: { readonly directory: string; readonly workspaceID?: string }
+      readonly subpath?: string
+      readonly revert?: {
+        readonly messageID: string
+        readonly partID?: string
+        readonly snapshot?: string
+        readonly files?: ReadonlyArray<{
+          readonly file: string
+          readonly patch: string
+          readonly additions: number
+          readonly deletions: number
+          readonly status: "added" | "deleted" | "modified"
+        }>
+      }
+    }
+    readonly messages: ReadonlyArray<
+      | {
+          readonly id: string
+          readonly metadata?: { readonly [x: string]: JsonValue }
+          readonly time: { readonly created: number }
+          readonly type: "agent-switched"
+          readonly agent: string
+        }
+      | {
+          readonly id: string
+          readonly metadata?: { readonly [x: string]: JsonValue }
+          readonly time: { readonly created: number }
+          readonly type: "model-switched"
+          readonly model: { readonly id: string; readonly providerID: string; readonly variant?: string }
+          readonly previous?: { readonly id: string; readonly providerID: string; readonly variant?: string }
+        }
+      | {
+          readonly id: string
+          readonly metadata?: { readonly [x: string]: JsonValue }
+          readonly time: { readonly created: number }
+          readonly text: string
+          readonly files?: ReadonlyArray<{
+            readonly data: string
+            readonly mime: string
+            readonly source: { readonly type: "inline" } | { readonly type: "uri"; readonly uri: string }
+            readonly name?: string
+            readonly description?: string
+            readonly mention?: { readonly start: number; readonly end: number; readonly text: string }
+          }>
+          readonly agents?: ReadonlyArray<{
+            readonly name: string
+            readonly mention?: { readonly start: number; readonly end: number; readonly text: string }
+          }>
+          readonly type: "user"
+        }
+      | {
+          readonly id: string
+          readonly metadata?: { readonly [x: string]: JsonValue }
+          readonly time: { readonly created: number }
+          readonly text: string
+          readonly description?: string
+          readonly type: "synthetic"
+        }
+      | {
+          readonly id: string
+          readonly metadata?: { readonly [x: string]: JsonValue }
+          readonly time: { readonly created: number }
+          readonly type: "system"
+          readonly text: string
+        }
+      | {
+          readonly id: string
+          readonly metadata?: { readonly [x: string]: JsonValue }
+          readonly time: { readonly created: number }
+          readonly type: "skill"
+          readonly skill: string
+          readonly name: string
+          readonly text: string
+        }
+      | {
+          readonly id: string
+          readonly metadata?: { readonly [x: string]: JsonValue }
+          readonly time: { readonly created: number; readonly completed?: number }
+          readonly type: "shell"
+          readonly shellID: string
+          readonly command: string
+          readonly status: "running" | "exited" | "timeout" | "killed"
+          readonly exit?: number | "Infinity" | "-Infinity" | "NaN"
+          readonly output?: {
+            readonly output: string
+            readonly cursor: number
+            readonly size: number
+            readonly truncated: boolean
+          }
+        }
+      | {
+          readonly id: string
+          readonly metadata?: { readonly [x: string]: JsonValue }
+          readonly time: { readonly created: number; readonly completed?: number }
+          readonly type: "assistant"
+          readonly agent: string
+          readonly model: { readonly id: string; readonly providerID: string; readonly variant?: string }
+          readonly content: ReadonlyArray<
+            | { readonly type: "text"; readonly text: string; readonly state?: { readonly [x: string]: JsonValue } }
+            | {
+                readonly type: "reasoning"
+                readonly text: string
+                readonly state?: { readonly [x: string]: JsonValue }
+                readonly time?: { readonly created: number; readonly completed?: number }
+              }
+            | {
+                readonly type: "tool"
+                readonly id: string
+                readonly name: string
+                readonly executed?: boolean
+                readonly providerState?: { readonly [x: string]: JsonValue }
+                readonly providerResultState?: { readonly [x: string]: JsonValue }
+                readonly state:
+                  | { readonly status: "streaming"; readonly input: string }
+                  | {
+                      readonly status: "running"
+                      readonly input: { readonly [x: string]: JsonValue }
+                      readonly metadata: { readonly [x: string]: JsonValue }
+                    }
+                  | {
+                      readonly status: "completed"
+                      readonly input: { readonly [x: string]: JsonValue }
+                      readonly content: readonly [
+                        (
+                          | { readonly type: "text"; readonly text: string }
+                          | {
+                              readonly type: "file"
+                              readonly uri: string
+                              readonly mime: string
+                              readonly name?: string | null
+                            }
+                        ),
+                        ...Array<
+                          | { readonly type: "text"; readonly text: string }
+                          | {
+                              readonly type: "file"
+                              readonly uri: string
+                              readonly mime: string
+                              readonly name?: string | null
+                            }
+                        >,
+                      ]
+                      readonly metadata?: { readonly [x: string]: JsonValue }
+                    }
+                  | {
+                      readonly status: "error"
+                      readonly input: { readonly [x: string]: JsonValue }
+                      readonly error: { readonly type: string; readonly message: string; readonly status?: number }
+                      readonly content?: readonly [
+                        (
+                          | { readonly type: "text"; readonly text: string }
+                          | {
+                              readonly type: "file"
+                              readonly uri: string
+                              readonly mime: string
+                              readonly name?: string | null
+                            }
+                        ),
+                        ...Array<
+                          | { readonly type: "text"; readonly text: string }
+                          | {
+                              readonly type: "file"
+                              readonly uri: string
+                              readonly mime: string
+                              readonly name?: string | null
+                            }
+                        >,
+                      ]
+                      readonly metadata?: { readonly [x: string]: JsonValue }
+                    }
+                readonly time: { readonly created: number; readonly ran?: number; readonly completed?: number }
+              }
+          >
+          readonly snapshot?: { readonly start?: string; readonly end?: string; readonly files?: ReadonlyArray<string> }
+          readonly finish?: "stop" | "length" | "tool-calls" | "content-filter" | "error" | "unknown"
+          readonly cost?: number
+          readonly tokens?: {
+            readonly input: number
+            readonly output: number
+            readonly reasoning: number
+            readonly cache: { readonly read: number; readonly write: number }
+          }
+          readonly error?: { readonly type: string; readonly message: string; readonly status?: number }
+          readonly retry?: {
+            readonly attempt: number
+            readonly at: number
+            readonly error: { readonly type: string; readonly message: string; readonly status?: number }
+          }
+        }
+      | (
+          | {
+              readonly type: "compaction"
+              readonly id: string
+              readonly metadata?: { readonly [x: string]: JsonValue }
+              readonly time: { readonly created: number }
+              readonly status: "running"
+              readonly reason: "auto" | "manual"
+              readonly summary: string
+              readonly recent: string
+            }
+          | {
+              readonly type: "compaction"
+              readonly id: string
+              readonly metadata?: { readonly [x: string]: JsonValue }
+              readonly time: { readonly created: number }
+              readonly status: "completed"
+              readonly reason: "auto" | "manual"
+              readonly summary: string
+              readonly recent: string
+            }
+          | {
+              readonly type: "compaction"
+              readonly id: string
+              readonly metadata?: { readonly [x: string]: JsonValue }
+              readonly time: { readonly created: number }
+              readonly status: "failed"
+              readonly reason: "auto" | "manual"
+              readonly error: { readonly type: string; readonly message: string; readonly status?: number }
+            }
+        )
+    >
+    readonly location?: { readonly directory: string; readonly workspaceID?: string } | null
+  }["info"]
+  readonly messages: {
+    readonly info: {
+      readonly id: string
+      readonly parentID?: string
+      readonly fork?: {
+        readonly sessionID: string
+        readonly boundary:
+          | { readonly type: "before"; readonly messageID: string }
+          | { readonly type: "through"; readonly messageID: string }
+      }
+      readonly projectID: string
+      readonly agent?: string
+      readonly model?: { readonly id: string; readonly providerID: string; readonly variant?: string }
+      readonly cost: number
+      readonly tokens: {
+        readonly input: number
+        readonly output: number
+        readonly reasoning: number
+        readonly cache: { readonly read: number; readonly write: number }
+      }
+      readonly time: { readonly created: number; readonly updated: number; readonly archived?: number }
+      readonly title?: string
+      readonly location: { readonly directory: string; readonly workspaceID?: string }
+      readonly subpath?: string
+      readonly revert?: {
+        readonly messageID: string
+        readonly partID?: string
+        readonly snapshot?: string
+        readonly files?: ReadonlyArray<{
+          readonly file: string
+          readonly patch: string
+          readonly additions: number
+          readonly deletions: number
+          readonly status: "added" | "deleted" | "modified"
+        }>
+      }
+    }
+    readonly messages: ReadonlyArray<
+      | {
+          readonly id: string
+          readonly metadata?: { readonly [x: string]: JsonValue }
+          readonly time: { readonly created: number }
+          readonly type: "agent-switched"
+          readonly agent: string
+        }
+      | {
+          readonly id: string
+          readonly metadata?: { readonly [x: string]: JsonValue }
+          readonly time: { readonly created: number }
+          readonly type: "model-switched"
+          readonly model: { readonly id: string; readonly providerID: string; readonly variant?: string }
+          readonly previous?: { readonly id: string; readonly providerID: string; readonly variant?: string }
+        }
+      | {
+          readonly id: string
+          readonly metadata?: { readonly [x: string]: JsonValue }
+          readonly time: { readonly created: number }
+          readonly text: string
+          readonly files?: ReadonlyArray<{
+            readonly data: string
+            readonly mime: string
+            readonly source: { readonly type: "inline" } | { readonly type: "uri"; readonly uri: string }
+            readonly name?: string
+            readonly description?: string
+            readonly mention?: { readonly start: number; readonly end: number; readonly text: string }
+          }>
+          readonly agents?: ReadonlyArray<{
+            readonly name: string
+            readonly mention?: { readonly start: number; readonly end: number; readonly text: string }
+          }>
+          readonly type: "user"
+        }
+      | {
+          readonly id: string
+          readonly metadata?: { readonly [x: string]: JsonValue }
+          readonly time: { readonly created: number }
+          readonly text: string
+          readonly description?: string
+          readonly type: "synthetic"
+        }
+      | {
+          readonly id: string
+          readonly metadata?: { readonly [x: string]: JsonValue }
+          readonly time: { readonly created: number }
+          readonly type: "system"
+          readonly text: string
+        }
+      | {
+          readonly id: string
+          readonly metadata?: { readonly [x: string]: JsonValue }
+          readonly time: { readonly created: number }
+          readonly type: "skill"
+          readonly skill: string
+          readonly name: string
+          readonly text: string
+        }
+      | {
+          readonly id: string
+          readonly metadata?: { readonly [x: string]: JsonValue }
+          readonly time: { readonly created: number; readonly completed?: number }
+          readonly type: "shell"
+          readonly shellID: string
+          readonly command: string
+          readonly status: "running" | "exited" | "timeout" | "killed"
+          readonly exit?: number | "Infinity" | "-Infinity" | "NaN"
+          readonly output?: {
+            readonly output: string
+            readonly cursor: number
+            readonly size: number
+            readonly truncated: boolean
+          }
+        }
+      | {
+          readonly id: string
+          readonly metadata?: { readonly [x: string]: JsonValue }
+          readonly time: { readonly created: number; readonly completed?: number }
+          readonly type: "assistant"
+          readonly agent: string
+          readonly model: { readonly id: string; readonly providerID: string; readonly variant?: string }
+          readonly content: ReadonlyArray<
+            | { readonly type: "text"; readonly text: string; readonly state?: { readonly [x: string]: JsonValue } }
+            | {
+                readonly type: "reasoning"
+                readonly text: string
+                readonly state?: { readonly [x: string]: JsonValue }
+                readonly time?: { readonly created: number; readonly completed?: number }
+              }
+            | {
+                readonly type: "tool"
+                readonly id: string
+                readonly name: string
+                readonly executed?: boolean
+                readonly providerState?: { readonly [x: string]: JsonValue }
+                readonly providerResultState?: { readonly [x: string]: JsonValue }
+                readonly state:
+                  | { readonly status: "streaming"; readonly input: string }
+                  | {
+                      readonly status: "running"
+                      readonly input: { readonly [x: string]: JsonValue }
+                      readonly metadata: { readonly [x: string]: JsonValue }
+                    }
+                  | {
+                      readonly status: "completed"
+                      readonly input: { readonly [x: string]: JsonValue }
+                      readonly content: readonly [
+                        (
+                          | { readonly type: "text"; readonly text: string }
+                          | {
+                              readonly type: "file"
+                              readonly uri: string
+                              readonly mime: string
+                              readonly name?: string | null
+                            }
+                        ),
+                        ...Array<
+                          | { readonly type: "text"; readonly text: string }
+                          | {
+                              readonly type: "file"
+                              readonly uri: string
+                              readonly mime: string
+                              readonly name?: string | null
+                            }
+                        >,
+                      ]
+                      readonly metadata?: { readonly [x: string]: JsonValue }
+                    }
+                  | {
+                      readonly status: "error"
+                      readonly input: { readonly [x: string]: JsonValue }
+                      readonly error: { readonly type: string; readonly message: string; readonly status?: number }
+                      readonly content?: readonly [
+                        (
+                          | { readonly type: "text"; readonly text: string }
+                          | {
+                              readonly type: "file"
+                              readonly uri: string
+                              readonly mime: string
+                              readonly name?: string | null
+                            }
+                        ),
+                        ...Array<
+                          | { readonly type: "text"; readonly text: string }
+                          | {
+                              readonly type: "file"
+                              readonly uri: string
+                              readonly mime: string
+                              readonly name?: string | null
+                            }
+                        >,
+                      ]
+                      readonly metadata?: { readonly [x: string]: JsonValue }
+                    }
+                readonly time: { readonly created: number; readonly ran?: number; readonly completed?: number }
+              }
+          >
+          readonly snapshot?: { readonly start?: string; readonly end?: string; readonly files?: ReadonlyArray<string> }
+          readonly finish?: "stop" | "length" | "tool-calls" | "content-filter" | "error" | "unknown"
+          readonly cost?: number
+          readonly tokens?: {
+            readonly input: number
+            readonly output: number
+            readonly reasoning: number
+            readonly cache: { readonly read: number; readonly write: number }
+          }
+          readonly error?: { readonly type: string; readonly message: string; readonly status?: number }
+          readonly retry?: {
+            readonly attempt: number
+            readonly at: number
+            readonly error: { readonly type: string; readonly message: string; readonly status?: number }
+          }
+        }
+      | (
+          | {
+              readonly type: "compaction"
+              readonly id: string
+              readonly metadata?: { readonly [x: string]: JsonValue }
+              readonly time: { readonly created: number }
+              readonly status: "running"
+              readonly reason: "auto" | "manual"
+              readonly summary: string
+              readonly recent: string
+            }
+          | {
+              readonly type: "compaction"
+              readonly id: string
+              readonly metadata?: { readonly [x: string]: JsonValue }
+              readonly time: { readonly created: number }
+              readonly status: "completed"
+              readonly reason: "auto" | "manual"
+              readonly summary: string
+              readonly recent: string
+            }
+          | {
+              readonly type: "compaction"
+              readonly id: string
+              readonly metadata?: { readonly [x: string]: JsonValue }
+              readonly time: { readonly created: number }
+              readonly status: "failed"
+              readonly reason: "auto" | "manual"
+              readonly error: { readonly type: string; readonly message: string; readonly status?: number }
+            }
+        )
+    >
+    readonly location?: { readonly directory: string; readonly workspaceID?: string } | null
+  }["messages"]
+  readonly location?: {
+    readonly info: {
+      readonly id: string
+      readonly parentID?: string
+      readonly fork?: {
+        readonly sessionID: string
+        readonly boundary:
+          | { readonly type: "before"; readonly messageID: string }
+          | { readonly type: "through"; readonly messageID: string }
+      }
+      readonly projectID: string
+      readonly agent?: string
+      readonly model?: { readonly id: string; readonly providerID: string; readonly variant?: string }
+      readonly cost: number
+      readonly tokens: {
+        readonly input: number
+        readonly output: number
+        readonly reasoning: number
+        readonly cache: { readonly read: number; readonly write: number }
+      }
+      readonly time: { readonly created: number; readonly updated: number; readonly archived?: number }
+      readonly title?: string
+      readonly location: { readonly directory: string; readonly workspaceID?: string }
+      readonly subpath?: string
+      readonly revert?: {
+        readonly messageID: string
+        readonly partID?: string
+        readonly snapshot?: string
+        readonly files?: ReadonlyArray<{
+          readonly file: string
+          readonly patch: string
+          readonly additions: number
+          readonly deletions: number
+          readonly status: "added" | "deleted" | "modified"
+        }>
+      }
+    }
+    readonly messages: ReadonlyArray<
+      | {
+          readonly id: string
+          readonly metadata?: { readonly [x: string]: JsonValue }
+          readonly time: { readonly created: number }
+          readonly type: "agent-switched"
+          readonly agent: string
+        }
+      | {
+          readonly id: string
+          readonly metadata?: { readonly [x: string]: JsonValue }
+          readonly time: { readonly created: number }
+          readonly type: "model-switched"
+          readonly model: { readonly id: string; readonly providerID: string; readonly variant?: string }
+          readonly previous?: { readonly id: string; readonly providerID: string; readonly variant?: string }
+        }
+      | {
+          readonly id: string
+          readonly metadata?: { readonly [x: string]: JsonValue }
+          readonly time: { readonly created: number }
+          readonly text: string
+          readonly files?: ReadonlyArray<{
+            readonly data: string
+            readonly mime: string
+            readonly source: { readonly type: "inline" } | { readonly type: "uri"; readonly uri: string }
+            readonly name?: string
+            readonly description?: string
+            readonly mention?: { readonly start: number; readonly end: number; readonly text: string }
+          }>
+          readonly agents?: ReadonlyArray<{
+            readonly name: string
+            readonly mention?: { readonly start: number; readonly end: number; readonly text: string }
+          }>
+          readonly type: "user"
+        }
+      | {
+          readonly id: string
+          readonly metadata?: { readonly [x: string]: JsonValue }
+          readonly time: { readonly created: number }
+          readonly text: string
+          readonly description?: string
+          readonly type: "synthetic"
+        }
+      | {
+          readonly id: string
+          readonly metadata?: { readonly [x: string]: JsonValue }
+          readonly time: { readonly created: number }
+          readonly type: "system"
+          readonly text: string
+        }
+      | {
+          readonly id: string
+          readonly metadata?: { readonly [x: string]: JsonValue }
+          readonly time: { readonly created: number }
+          readonly type: "skill"
+          readonly skill: string
+          readonly name: string
+          readonly text: string
+        }
+      | {
+          readonly id: string
+          readonly metadata?: { readonly [x: string]: JsonValue }
+          readonly time: { readonly created: number; readonly completed?: number }
+          readonly type: "shell"
+          readonly shellID: string
+          readonly command: string
+          readonly status: "running" | "exited" | "timeout" | "killed"
+          readonly exit?: number | "Infinity" | "-Infinity" | "NaN"
+          readonly output?: {
+            readonly output: string
+            readonly cursor: number
+            readonly size: number
+            readonly truncated: boolean
+          }
+        }
+      | {
+          readonly id: string
+          readonly metadata?: { readonly [x: string]: JsonValue }
+          readonly time: { readonly created: number; readonly completed?: number }
+          readonly type: "assistant"
+          readonly agent: string
+          readonly model: { readonly id: string; readonly providerID: string; readonly variant?: string }
+          readonly content: ReadonlyArray<
+            | { readonly type: "text"; readonly text: string; readonly state?: { readonly [x: string]: JsonValue } }
+            | {
+                readonly type: "reasoning"
+                readonly text: string
+                readonly state?: { readonly [x: string]: JsonValue }
+                readonly time?: { readonly created: number; readonly completed?: number }
+              }
+            | {
+                readonly type: "tool"
+                readonly id: string
+                readonly name: string
+                readonly executed?: boolean
+                readonly providerState?: { readonly [x: string]: JsonValue }
+                readonly providerResultState?: { readonly [x: string]: JsonValue }
+                readonly state:
+                  | { readonly status: "streaming"; readonly input: string }
+                  | {
+                      readonly status: "running"
+                      readonly input: { readonly [x: string]: JsonValue }
+                      readonly metadata: { readonly [x: string]: JsonValue }
+                    }
+                  | {
+                      readonly status: "completed"
+                      readonly input: { readonly [x: string]: JsonValue }
+                      readonly content: readonly [
+                        (
+                          | { readonly type: "text"; readonly text: string }
+                          | {
+                              readonly type: "file"
+                              readonly uri: string
+                              readonly mime: string
+                              readonly name?: string | null
+                            }
+                        ),
+                        ...Array<
+                          | { readonly type: "text"; readonly text: string }
+                          | {
+                              readonly type: "file"
+                              readonly uri: string
+                              readonly mime: string
+                              readonly name?: string | null
+                            }
+                        >,
+                      ]
+                      readonly metadata?: { readonly [x: string]: JsonValue }
+                    }
+                  | {
+                      readonly status: "error"
+                      readonly input: { readonly [x: string]: JsonValue }
+                      readonly error: { readonly type: string; readonly message: string; readonly status?: number }
+                      readonly content?: readonly [
+                        (
+                          | { readonly type: "text"; readonly text: string }
+                          | {
+                              readonly type: "file"
+                              readonly uri: string
+                              readonly mime: string
+                              readonly name?: string | null
+                            }
+                        ),
+                        ...Array<
+                          | { readonly type: "text"; readonly text: string }
+                          | {
+                              readonly type: "file"
+                              readonly uri: string
+                              readonly mime: string
+                              readonly name?: string | null
+                            }
+                        >,
+                      ]
+                      readonly metadata?: { readonly [x: string]: JsonValue }
+                    }
+                readonly time: { readonly created: number; readonly ran?: number; readonly completed?: number }
+              }
+          >
+          readonly snapshot?: { readonly start?: string; readonly end?: string; readonly files?: ReadonlyArray<string> }
+          readonly finish?: "stop" | "length" | "tool-calls" | "content-filter" | "error" | "unknown"
+          readonly cost?: number
+          readonly tokens?: {
+            readonly input: number
+            readonly output: number
+            readonly reasoning: number
+            readonly cache: { readonly read: number; readonly write: number }
+          }
+          readonly error?: { readonly type: string; readonly message: string; readonly status?: number }
+          readonly retry?: {
+            readonly attempt: number
+            readonly at: number
+            readonly error: { readonly type: string; readonly message: string; readonly status?: number }
+          }
+        }
+      | (
+          | {
+              readonly type: "compaction"
+              readonly id: string
+              readonly metadata?: { readonly [x: string]: JsonValue }
+              readonly time: { readonly created: number }
+              readonly status: "running"
+              readonly reason: "auto" | "manual"
+              readonly summary: string
+              readonly recent: string
+            }
+          | {
+              readonly type: "compaction"
+              readonly id: string
+              readonly metadata?: { readonly [x: string]: JsonValue }
+              readonly time: { readonly created: number }
+              readonly status: "completed"
+              readonly reason: "auto" | "manual"
+              readonly summary: string
+              readonly recent: string
+            }
+          | {
+              readonly type: "compaction"
+              readonly id: string
+              readonly metadata?: { readonly [x: string]: JsonValue }
+              readonly time: { readonly created: number }
+              readonly status: "failed"
+              readonly reason: "auto" | "manual"
+              readonly error: { readonly type: string; readonly message: string; readonly status?: number }
+            }
+        )
+    >
+    readonly location?: { readonly directory: string; readonly workspaceID?: string } | null
+  }["location"]
+}
+
+export type SessionImportOutput = { data: SessionInfo }["data"]
+
+export type SessionExportInput = {
+  readonly sessionID: { readonly sessionID: string }["sessionID"]
+  readonly sanitize?: { readonly sanitize?: boolean | undefined }["sanitize"]
+}
+
+export type SessionExportOutput = { data: SessionTransferData }["data"]
+
 export type SessionActiveOutput = { data: { [x: string]: SessionActive } }["data"]
 
 export type SessionGetInput = { readonly sessionID: { readonly sessionID: string }["sessionID"] }

packages/core/package.json

@@ -17,6 +17,7 @@
     "opencode": "./bin/opencode"
   },
   "exports": {
+    "./environment": "./src/environment/index.ts",
     "./session/runner": "./src/session/runner/index.ts",
     "./instructions": "./src/instructions/index.ts",
     "./*": "./src/*.ts"

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

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

packages/core/src/environment/driver.ts

@@ -0,0 +1,9 @@
+import type { ChildProcessSpawner } from "effect/unstable/process/ChildProcessSpawner"
+import type { FilesImpl } from "./files"
+
+export interface Driver {
+  readonly spawner: ChildProcessSpawner["Service"]
+  readonly overrides?: Partial<FilesImpl>
+}
+
+export * as EnvironmentDriver from "./driver"

packages/core/src/environment/exec-defaults.ts

@@ -0,0 +1,185 @@
+import { Effect, Stream } from "effect"
+import { ChildProcess } from "effect/unstable/process"
+import type { ChildProcessSpawner } from "effect/unstable/process/ChildProcessSpawner"
+import { collectStream } from "@opencode-ai/util/process"
+import { Failed, NotFound, WrongKind, type FileInfo, type FileType, type FilesImpl } from "./files"
+
+const MAX_DATA_BYTES = 64 * 1024 * 1024
+const MAX_ERROR_BYTES = 64 * 1024
+const NOT_FOUND = 44
+const WRONG_KIND = 45
+const FAILED = 46
+
+const loadMetadata = (flags = "") => `
+metadata=$(stat ${flags} -c '%F\t%s\t%Y' -- "$1" 2>&1) || {
+  case "$metadata" in
+    *'No such file or directory'*|*'Not a directory'*) exit ${NOT_FOUND} ;;
+    *) printf '%s' "$metadata" >&2; exit ${FAILED} ;;
+  esac
+}
+`
+
+const statScript = `
+${loadMetadata()}
+printf '%s\n' "$metadata"
+`
+
+const readScript = `
+${loadMetadata("-L")}
+kind=\${metadata%%	*}
+if [ "$kind" != 'regular file' ] && [ "$kind" != 'regular empty file' ]; then
+  printf '%s' "$kind" >&2
+  exit ${WRONG_KIND}
+fi
+printf '%s\n' "$metadata"
+if [ "$2" = range ]; then
+  dd if="$1" iflag=skip_bytes,count_bytes skip="$3" count="$4" status=none
+else
+  cat -- "$1"
+fi
+`
+
+const listScript = `
+${loadMetadata()}
+kind=\${metadata%%	*}
+if [ "$kind" != directory ]; then
+  printf '%s' "$kind" >&2
+  exit ${WRONG_KIND}
+fi
+find "$1" -mindepth 1 -maxdepth 1 -printf '%y\0%f\0'
+`
+
+interface Result {
+  readonly exitCode: number
+  readonly stdout: Uint8Array
+  readonly stderr: Uint8Array
+}
+
+export const execDefaults = (spawner: ChildProcessSpawner["Service"]): FilesImpl => {
+  const run = (
+    path: string,
+    script: string,
+    args: ReadonlyArray<string> = [],
+    stdin?: Uint8Array,
+  ): Effect.Effect<Result, Failed> =>
+    Effect.scoped(
+      Effect.gen(function* () {
+        const command = ChildProcess.make("sh", ["-c", script, "sh", path, ...args], {
+          env: { LC_ALL: "C" },
+          extendEnv: true,
+          stdin: stdin === undefined ? undefined : Stream.make(stdin),
+        })
+        const handle = yield* spawner.spawn(command).pipe(Effect.mapError((cause) => new Failed({ path, cause })))
+        const [stdout, stderr, exitCode] = yield* Effect.all(
+          [
+            collectStream(handle.stdout, MAX_DATA_BYTES),
+            collectStream(handle.stderr, MAX_ERROR_BYTES),
+            handle.exitCode,
+          ],
+          { concurrency: "unbounded" },
+        ).pipe(Effect.mapError((cause) => new Failed({ path, cause })))
+        if (stdout.truncated || stderr.truncated) {
+          return yield* new Failed({ path, cause: new Error("Process output exceeded its collection limit") })
+        }
+        return { exitCode, stdout: stdout.buffer, stderr: stderr.buffer }
+      }),
+    )
+
+  const classify = <A>(
+    path: string,
+    result: Result,
+    success: (stdout: Uint8Array) => A,
+  ): Effect.Effect<A, NotFound | WrongKind | Failed> => {
+    if (result.exitCode === 0) return Effect.sync(() => success(result.stdout))
+    if (result.exitCode === NOT_FOUND) return Effect.fail(new NotFound({ path }))
+    if (result.exitCode === WRONG_KIND) {
+      return Effect.fail(new WrongKind({ path, actual: parseType(new TextDecoder().decode(result.stderr)) }))
+    }
+    return Effect.fail(processFailure(path, result))
+  }
+
+  const stat: FilesImpl["stat"] = (path) =>
+    run(path, statScript).pipe(Effect.flatMap((result) => classifyStat(path, result)))
+
+  const complete = (path: string, result: Result) =>
+    result.exitCode === 0 ? Effect.void : Effect.fail(processFailure(path, result))
+
+  return {
+    stat,
+    read: (path, range) =>
+      run(
+        path,
+        readScript,
+        range === undefined ? ["whole"] : ["range", String(range.offset), String(range.length)],
+      ).pipe(
+        Effect.flatMap((result) =>
+          classify(path, result, (stdout) => {
+            const newline = stdout.indexOf(10)
+            if (newline < 0) throw new Error("Missing read metadata header")
+            return {
+              info: parseInfo(stdout.slice(0, newline)),
+              bytes: stdout.slice(newline + 1),
+            }
+          }),
+        ),
+      ),
+    write: (path, bytes) =>
+      run(path, `mkdir -p "$(dirname "$1")" && cat > "$1"`, [], bytes).pipe(
+        Effect.flatMap((result) => complete(path, result)),
+      ),
+    list: (path) => run(path, listScript).pipe(Effect.flatMap((result) => classify(path, result, parseList))),
+    remove: (path) => run(path, `rm -rf -- "$1"`).pipe(Effect.flatMap((result) => complete(path, result))),
+    move: (from, to) =>
+      run(
+        from,
+        `${loadMetadata()}
+mv -- "$1" "$2"`,
+        [to],
+      ).pipe(Effect.flatMap((result) => classifyMove(from, result))),
+    mkdir: (path) => run(path, `mkdir -p -- "$1"`).pipe(Effect.flatMap((result) => complete(path, result))),
+  }
+}
+
+const classifyStat = (path: string, result: Result): Effect.Effect<FileInfo, NotFound | Failed> => {
+  if (result.exitCode === 0) return Effect.sync(() => parseInfo(result.stdout))
+  if (result.exitCode === NOT_FOUND) return Effect.fail(new NotFound({ path }))
+  return Effect.fail(processFailure(path, result))
+}
+
+const classifyMove = (path: string, result: Result): Effect.Effect<void, NotFound | Failed> => {
+  if (result.exitCode === 0) return Effect.void
+  if (result.exitCode === NOT_FOUND) return Effect.fail(new NotFound({ path }))
+  return Effect.fail(processFailure(path, result))
+}
+
+const processFailure = (path: string, result: Result) =>
+  new Failed({
+    path,
+    cause: new Error(new TextDecoder().decode(result.stderr).trim() || `Process exited with code ${result.exitCode}`),
+  })
+
+const parseInfo = (bytes: Uint8Array): FileInfo => {
+  const [rawType, rawSize, rawMtime] = new TextDecoder().decode(bytes).trim().split("\t")
+  const size = Number(rawSize)
+  const mtimeMs = Number(rawMtime) * 1_000
+  if (!rawType || !Number.isFinite(size) || !Number.isFinite(mtimeMs)) throw new Error("Invalid stat output")
+  return { type: parseType(rawType), size, mtimeMs }
+}
+
+const parseType = (value: string): FileType => {
+  if (value === "regular file" || value === "regular empty file" || value === "f") return "file"
+  if (value === "directory" || value === "d") return "directory"
+  if (value === "symbolic link" || value === "l") return "symlink"
+  return "other"
+}
+
+const parseList = (bytes: Uint8Array) => {
+  const fields = new TextDecoder().decode(bytes).split("\0")
+  fields.pop()
+  if (fields.length % 2 !== 0) throw new Error("Invalid find output")
+  return fields
+    .filter((_, index) => index % 2 === 0)
+    .map((type, index) => ({ name: fields[index * 2 + 1], type: parseType(type) }))
+}
+
+export * as EnvironmentExecDefaults from "./exec-defaults"

packages/core/src/environment/files.ts

@@ -0,0 +1,53 @@
+import { Effect, Schema } from "effect"
+
+export const FileType = Schema.Literals(["file", "directory", "symlink", "other"])
+export type FileType = typeof FileType.Type
+
+export interface FileInfo {
+  readonly type: FileType
+  readonly size: number
+  readonly mtimeMs: number
+}
+
+export interface DirEntry {
+  readonly name: string
+  readonly type: FileType
+}
+
+export class NotFound extends Schema.TaggedErrorClass<NotFound>()("Environment.NotFound", {
+  path: Schema.String,
+}) {}
+
+export class WrongKind extends Schema.TaggedErrorClass<WrongKind>()("Environment.WrongKind", {
+  path: Schema.String,
+  actual: FileType,
+}) {}
+
+export class Failed extends Schema.TaggedErrorClass<Failed>()("Environment.Failed", {
+  path: Schema.String,
+  cause: Schema.Defect(),
+}) {}
+
+export interface FilesImpl {
+  /**
+   * Reads a file, following a final symlink so `info` describes the target whose bytes are returned.
+   * The process-backed default caps collected output at 64 MiB; larger whole-file reads fail with
+   * `Failed`, so callers must use ranges for larger files.
+   */
+  readonly read: (
+    path: string,
+    range?: { readonly offset: number; readonly length: number },
+  ) => Effect.Effect<{ readonly info: FileInfo; readonly bytes: Uint8Array }, NotFound | WrongKind | Failed>
+  readonly write: (path: string, bytes: Uint8Array) => Effect.Effect<void, Failed>
+  /** Describes the path entry itself, so a final symlink is reported as `symlink` rather than followed. */
+  readonly stat: (path: string) => Effect.Effect<FileInfo, NotFound | Failed>
+  /** Lists a directory entry without following a final symlink; intermediate symlinks are traversed. */
+  readonly list: (path: string) => Effect.Effect<ReadonlyArray<DirEntry>, NotFound | WrongKind | Failed>
+  readonly remove: (path: string) => Effect.Effect<void, Failed>
+  readonly move: (from: string, to: string) => Effect.Effect<void, NotFound | Failed>
+  readonly mkdir: (path: string) => Effect.Effect<void, Failed>
+}
+
+export interface Files extends FilesImpl {}
+
+export * as EnvironmentFiles from "./files"

packages/core/src/environment/index.ts

@@ -0,0 +1,24 @@
+export * as Environment from "./index"
+
+export { type Driver } from "./driver"
+export {
+  type DirEntry,
+  Failed,
+  type FileInfo,
+  type Files,
+  type FilesImpl,
+  type FileType,
+  NotFound,
+  WrongKind,
+} from "./files"
+export { execDefaults } from "./exec-defaults"
+export { makeMemoryDriver, type MemoryDriver } from "./memory"
+
+import type { Driver } from "./driver"
+import { execDefaults } from "./exec-defaults"
+import type { Files } from "./files"
+
+export const makeFiles = (driver: Driver): Files => ({
+  ...execDefaults(driver.spawner),
+  ...driver.overrides,
+})

packages/core/src/environment/memory.ts

@@ -0,0 +1,168 @@
+import path from "node:path"
+import { Effect, PlatformError } from "effect"
+import { make } from "effect/unstable/process/ChildProcessSpawner"
+import type { Driver } from "./driver"
+import { Failed, NotFound, WrongKind, type FileInfo, type FilesImpl, type FileType } from "./files"
+
+type Node =
+  | { readonly type: "file"; readonly bytes: Uint8Array; readonly mtimeMs: number }
+  | { readonly type: "directory"; readonly mtimeMs: number }
+  | { readonly type: "symlink"; readonly target: string; readonly mtimeMs: number }
+
+export interface MemoryDriver extends Driver {
+  readonly symlink: (target: string, path: string) => Effect.Effect<void, Failed>
+}
+
+export const makeMemoryDriver = (): MemoryDriver => {
+  const nodes = new Map<string, Node>([["/", { type: "directory", mtimeMs: Date.now() }]])
+  const key = (value: string) => path.posix.resolve("/", value)
+  const info = (node: Node): FileInfo => ({
+    type: node.type,
+    size:
+      node.type === "file"
+        ? node.bytes.length
+        : node.type === "symlink"
+          ? new TextEncoder().encode(node.target).length
+          : 0,
+    mtimeMs: node.mtimeMs,
+  })
+  const resolveKey = (value: string, followFinal: boolean, seen = new Set<string>()): string | undefined => {
+    const normalized = key(value)
+    const parts = normalized.split("/").filter(Boolean)
+    const base = "/"
+    const walk = (current: string, index: number): string | undefined => {
+      if (index === parts.length) return current
+      const part = parts[index]
+      const candidate = path.posix.join(current, part)
+      const node = nodes.get(candidate)
+      if (node?.type !== "symlink" || (!followFinal && index === parts.length - 1)) return walk(candidate, index + 1)
+      if (seen.has(candidate)) return undefined
+      seen.add(candidate)
+      const target = path.posix.resolve(path.posix.dirname(candidate), node.target)
+      return resolveKey(path.posix.join(target, ...parts.slice(index + 1)), followFinal, seen)
+    }
+    return walk(base, 0)
+  }
+  const lookup = (value: string) => nodes.get(resolveKey(value, false) ?? key(value))
+  const requireParent = (value: string) => {
+    const parentPath = path.posix.dirname(key(value))
+    const parent = nodes.get(resolveKey(parentPath, true) ?? parentPath)
+    if (!parent) throw new Error(`Parent directory does not exist: ${path.posix.dirname(value)}`)
+    if (parent.type !== "directory") throw new Error(`Parent is not a directory: ${path.posix.dirname(value)}`)
+  }
+  const mkdirSync = (value: string) => {
+    const target = resolveKey(value, false) ?? key(value)
+    const existing = nodes.get(target)
+    if (existing?.type === "directory") return
+    if (existing) throw new Error(`Path is not a directory: ${value}`)
+    const parent = path.posix.dirname(target)
+    if (parent !== target) mkdirSync(parent)
+    nodes.set(target, { type: "directory", mtimeMs: Date.now() })
+  }
+  const failed = (value: string, cause: unknown) => new Failed({ path: value, cause })
+  const overrides: FilesImpl = {
+    stat: (value) => {
+      const node = lookup(value)
+      return node ? Effect.succeed(info(node)) : Effect.fail(new NotFound({ path: value }))
+    },
+    read: (value, range) => {
+      const original = lookup(value)
+      if (!original) return Effect.fail(new NotFound({ path: value }))
+      if (original.type === "directory") return Effect.fail(new WrongKind({ path: value, actual: "directory" }))
+      const resolved = resolveKey(value, true)
+      const node = resolved === undefined ? undefined : nodes.get(resolved)
+      if (!node) return Effect.fail(new NotFound({ path: value }))
+      if (node.type !== "file") return Effect.fail(new WrongKind({ path: value, actual: node.type }))
+      const bytes = range === undefined ? node.bytes : node.bytes.subarray(range.offset, range.offset + range.length)
+      return Effect.succeed({ info: info(node), bytes: bytes.slice() })
+    },
+    write: (value, bytes) =>
+      Effect.try({
+        try: () => {
+          mkdirSync(path.posix.dirname(key(value)))
+          const existing = lookup(value)
+          if (existing?.type === "directory") throw new Error(`Path is a directory: ${value}`)
+          const target = existing?.type === "symlink" ? resolveKey(value, true) : resolveKey(value, false)
+          if (!target) throw new Error(`Cannot resolve symlink: ${value}`)
+          requireParent(target)
+          nodes.set(target, { type: "file", bytes: bytes.slice(), mtimeMs: Date.now() })
+        },
+        catch: (cause) => failed(value, cause),
+      }),
+    list: (value) => {
+      const target = resolveKey(value, false) ?? key(value)
+      const node = nodes.get(target)
+      if (!node) return Effect.fail(new NotFound({ path: value }))
+      if (node.type !== "directory") return Effect.fail(new WrongKind({ path: value, actual: node.type }))
+      const entries = [...nodes.entries()]
+        .filter(([entry]) => entry !== target && path.posix.dirname(entry) === target)
+        .map(([entry, child]) => ({ name: path.posix.basename(entry), type: child.type satisfies FileType }))
+        .sort((a, b) => a.name.localeCompare(b.name))
+      return Effect.succeed(entries)
+    },
+    remove: (value) =>
+      Effect.sync(() => {
+        const target = resolveKey(value, false) ?? key(value)
+        for (const entry of nodes.keys()) {
+          if (entry === target || entry.startsWith(`${target}/`)) nodes.delete(entry)
+        }
+      }),
+    move: (from, to) => {
+      const source = resolveKey(from, false) ?? key(from)
+      const node = nodes.get(source)
+      if (!node) return Effect.fail(new NotFound({ path: from }))
+      return Effect.try({
+        try: () => {
+          const requested = resolveKey(to, false) ?? key(to)
+          const destination =
+            nodes.get(requested)?.type === "directory"
+              ? path.posix.join(requested, path.posix.basename(source))
+              : requested
+          if (node.type === "directory" && destination.startsWith(`${source}/`)) {
+            throw new Error(`Cannot move a directory into itself: ${from}`)
+          }
+          const existing = nodes.get(destination)
+          if (node.type === "directory" && existing && existing.type !== "directory") {
+            throw new Error(`Cannot overwrite a non-directory with a directory: ${to}`)
+          }
+          requireParent(destination)
+          const moved = [...nodes.entries()].filter(([entry]) => entry === source || entry.startsWith(`${source}/`))
+          for (const [entry] of moved) nodes.delete(entry)
+          for (const [entry, child] of moved) nodes.set(`${destination}${entry.slice(source.length)}`, child)
+        },
+        catch: (cause) => failed(from, cause),
+      })
+    },
+    mkdir: (value) => Effect.try({ try: () => mkdirSync(value), catch: (cause) => failed(value, cause) }),
+  }
+
+  const spawner = make((command) =>
+    Effect.suspend(() => {
+      const description = command._tag === "StandardCommand" ? command.command : "pipeline"
+      return Effect.fail(
+        PlatformError.systemError({
+          _tag: "Unknown",
+          module: "EnvironmentMemory",
+          method: "spawn",
+          pathOrDescriptor: description,
+          cause: failed(description, new Error("The memory driver cannot spawn processes")),
+        }),
+      )
+    }),
+  )
+
+  return {
+    spawner,
+    overrides,
+    symlink: (target, value) =>
+      Effect.try({
+        try: () => {
+          requireParent(value)
+          nodes.set(resolveKey(value, false) ?? key(value), { type: "symlink", target, mtimeMs: Date.now() })
+        },
+        catch: (cause) => failed(value, cause),
+      }),
+  }
+}
+
+export * as EnvironmentMemory from "./memory"

packages/core/src/session/transfer.ts

@@ -0,0 +1,323 @@
+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 } from "effect"
+import { Effect, Schema, Semaphore } from "effect"
 import { Form } from "../../form"
 import { KV } from "../../kv"
 import { Permission } from "../../permission"
@@ -10,6 +10,7 @@ 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.
 
@@ -29,6 +30,7 @@ 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) =>
@@ -49,70 +51,90 @@ export const Plugin = {
                 agent: context.agent,
                 source: { type: "tool", messageID: context.messageID, id: context.id },
               })
-              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({
+              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({
                             sessionID: context.sessionID,
-                            title: "Choose a web search provider",
+                            title: "Web Search",
                             metadata: { kind: "websearch.provider" },
                             fields: [
                               {
-                                key: "provider",
-                                description: "Choose a provider for web search.",
+                                key: "choice",
+                                description: "Allow OpenCode to search the web for up-to-date information?",
                                 type: "string",
                                 required: true,
                                 custom: false,
-                                options: providers.map((provider) => ({ value: provider.id, label: provider.name })),
+                                options: [
+                                  {
+                                    value: "allow",
+                                    label: `Allow web search via ${defaultProvider.name}`,
+                                  },
+                                  {
+                                    value: "choose",
+                                    label: "Choose another provider",
+                                  },
+                                  { value: "disable", label: "Disable web 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)
-                  })
-                }),
-              )
+                          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()
               const output = {
                 provider: result.data.providerID,
                 results: result.data.results,

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

@@ -12,6 +12,7 @@ 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"
@@ -50,6 +51,11 @@ 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")
@@ -59,6 +65,96 @@ 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

@@ -307,7 +307,7 @@ describe("Config", () => {
     }),
   )
 
-  it.live("loads authenticated wellknown config below project config", () =>
+  it.live("loads authenticated wellknown config before user configuration", () =>
     Effect.acquireUseRelease(
       Effect.promise(() => tmpdir()),
       (tmp) =>
@@ -370,7 +370,13 @@ describe("Config", () => {
           return yield* Effect.gen(function* () {
             const config = yield* Config.Service
             const bus = yield* Bus.Service
-            expect(Config.latest(yield* config.entries(), "shell")).toBe("project")
+            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"])
             const updated = yield* bus
               .subscribe(Event.Updated)
               .pipe(Stream.take(1), Stream.runCollect, Effect.forkScoped)
@@ -378,7 +384,13 @@ describe("Config", () => {
             key = "next"
             yield* bus.publish(Integration.Event.ConnectionUpdated, { integrationID })
             expect(yield* Fiber.join(updated)).toHaveLength(1)
-            expect(Config.latest(yield* config.entries(), "shell")).toBe("project")
+            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"])
           }).pipe(
             Effect.provide(testLayer(project, global, project, undefined, undefined, credentialNode, wellknownNode)),
           )

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

@@ -237,7 +237,11 @@ describe("ConfigProviderPlugin.Plugin", () => {
                   models: {
                     chat: {
                       name: "First",
-                      compatibility: { reasoningField: "vendor_reasoning" },
+                      compatibility: {
+                        reasoningField: "vendor_reasoning",
+                        maxTokensField: "max_completion_tokens",
+                        requireFinishReason: false,
+                      },
                       capabilities: { tools: true, input: ["text"], output: ["text"] },
                       disabled: true,
                       limit: { context: 100, output: 50 },
@@ -318,7 +322,11 @@ 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" })
+        expect(model.compatibility).toEqual({
+          reasoningField: "vendor_reasoning",
+          maxTokensField: "max_completion_tokens",
+          requireFinishReason: false,
+        })
         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/environment.test.ts

@@ -0,0 +1,40 @@
+import fs from "node:fs/promises"
+import { Effect } from "effect"
+import { ChildProcessSpawner } from "effect/unstable/process"
+import { CrossSpawnSpawner } from "@opencode-ai/util/cross-spawn-spawner"
+import { LayerNode } from "@opencode-ai/util/effect/layer-node"
+import { execDefaults, Failed, makeFiles, makeMemoryDriver } from "../src/environment/index"
+import { tmpdir } from "./fixture/tmpdir"
+import { environmentConformance } from "./lib/environment-conformance"
+
+environmentConformance("memory environment", () => {
+  const driver = makeMemoryDriver()
+  return {
+    files: makeFiles(driver),
+    root: `/workspace-${crypto.randomUUID()}`,
+    symlink: driver.symlink,
+  }
+})
+
+environmentConformance(
+  "GNU exec environment",
+  async () => {
+    const spawner = await Effect.runPromise(
+      Effect.gen(function* () {
+        return yield* ChildProcessSpawner.ChildProcessSpawner
+      }).pipe(Effect.provide(LayerNode.compile(CrossSpawnSpawner.node))),
+    )
+    const tmp = await tmpdir("opencode-environment-")
+    return {
+      files: execDefaults(spawner),
+      root: tmp.path,
+      symlink: (target: string, link: string) =>
+        Effect.tryPromise({
+          try: () => fs.symlink(target, link),
+          catch: (cause) => new Failed({ path: link, cause }),
+        }),
+      dispose: () => tmp[Symbol.asyncDispose](),
+    }
+  },
+  process.platform !== "linux",
+)

packages/core/test/lib/environment-conformance.ts

@@ -0,0 +1,148 @@
+import { describe, expect, test } from "bun:test"
+import { Effect } from "effect"
+import { Failed, NotFound, WrongKind, type Files } from "../../src/environment/index"
+
+export interface EnvironmentHarness {
+  readonly files: Files
+  readonly root: string
+  readonly symlink?: (target: string, path: string) => Effect.Effect<void, Failed>
+  readonly dispose?: () => Promise<void>
+}
+
+export const environmentConformance = (
+  name: string,
+  makeHarness: () => EnvironmentHarness | Promise<EnvironmentHarness>,
+  skip = false,
+) => {
+  const check = (title: string, body: (harness: EnvironmentHarness) => Promise<void>) =>
+    test(title, async () => {
+      const harness = await makeHarness()
+      try {
+        await Effect.runPromise(harness.files.mkdir(harness.root))
+        await body(harness)
+      } finally {
+        try {
+          await Effect.runPromise(harness.files.remove(harness.root))
+        } finally {
+          await harness.dispose?.()
+        }
+      }
+    })
+
+  const bytes = (value: string) => new TextEncoder().encode(value)
+  const text = (value: Uint8Array) => new TextDecoder().decode(value)
+  const failure = <E>(effect: Effect.Effect<unknown, E>) => Effect.runPromise(Effect.flip(effect))
+
+  const suite = skip ? describe.skip : describe
+
+  suite(name, () => {
+    check("writes, stats, and reads a file with its info", async ({ files, root }) => {
+      const target = `${root}/hello.txt`
+      await Effect.runPromise(files.write(target, bytes("hello")))
+      const result = await Effect.runPromise(files.read(target))
+      expect(text(result.bytes)).toBe("hello")
+      expect(result.info.type).toBe("file")
+      expect(result.info.size).toBe(5)
+      expect(await Effect.runPromise(files.stat(target))).toEqual(result.info)
+    })
+
+    check("reports missing paths", async ({ files, root }) => {
+      const target = `${root}/missing`
+      expect(await failure(files.read(target))).toBeInstanceOf(NotFound)
+      expect(await failure(files.stat(target))).toBeInstanceOf(NotFound)
+      expect(await failure(files.list(target))).toBeInstanceOf(NotFound)
+      expect(await failure(files.move(target, `${root}/other`))).toBeInstanceOf(NotFound)
+    })
+
+    check("reports the actual kind", async ({ files, root }) => {
+      const directory = `${root}/directory`
+      const file = `${root}/file`
+      await Effect.runPromise(files.mkdir(directory))
+      await Effect.runPromise(files.write(file, bytes("data")))
+      const readError = await failure(files.read(directory))
+      const listError = await failure(files.list(file))
+      expect(readError).toBeInstanceOf(WrongKind)
+      expect((readError as WrongKind).actual).toBe("directory")
+      expect(listError).toBeInstanceOf(WrongKind)
+      expect((listError as WrongKind).actual).toBe("file")
+    })
+
+    check("write creates parent directories", async ({ files, root }) => {
+      const target = `${root}/one/two/file`
+      await Effect.runPromise(files.write(target, bytes("nested")))
+      await Effect.runPromise(files.write(`${root}/empty`, new Uint8Array()))
+      expect((await Effect.runPromise(files.stat(`${root}/one/two`))).type).toBe("directory")
+      expect(await Effect.runPromise(files.stat(`${root}/empty`))).toMatchObject({ type: "file", size: 0 })
+      expect(text((await Effect.runPromise(files.read(target))).bytes)).toBe("nested")
+    })
+
+    check("reads byte ranges", async ({ files, root }) => {
+      const target = `${root}/range`
+      await Effect.runPromise(files.write(target, bytes("0123456789")))
+      expect(text((await Effect.runPromise(files.read(target, { offset: 2, length: 4 }))).bytes)).toBe("2345")
+      expect(text((await Effect.runPromise(files.read(target, { offset: 8, length: 8 }))).bytes)).toBe("89")
+      expect(text((await Effect.runPromise(files.read(target, { offset: 20, length: 4 }))).bytes)).toBe("")
+    })
+
+    check("lists immediate entries with their kinds", async ({ files, root }) => {
+      await Effect.runPromise(files.write(`${root}/file name`, bytes("data")))
+      await Effect.runPromise(files.mkdir(`${root}/directory`))
+      await Effect.runPromise(files.write(`${root}/directory/nested`, bytes("nested")))
+      const entries = await Effect.runPromise(files.list(root))
+      expect(entries.toSorted((a, b) => a.name.localeCompare(b.name))).toEqual([
+        { name: "directory", type: "directory" },
+        { name: "file name", type: "file" },
+      ])
+    })
+
+    check("reports symlinks without resolving them", async (harness) => {
+      if (!harness.symlink) return
+      await Effect.runPromise(harness.files.write(`${harness.root}/target`, bytes("target")))
+      await Effect.runPromise(harness.files.write(`${harness.root}/target-dir/file`, bytes("through link")))
+      await Effect.runPromise(harness.symlink("target", `${harness.root}/link`))
+      await Effect.runPromise(harness.symlink("target-dir", `${harness.root}/link-dir`))
+      expect((await Effect.runPromise(harness.files.stat(`${harness.root}/link`))).type).toBe("symlink")
+      expect(await Effect.runPromise(harness.files.list(harness.root))).toContainEqual({
+        name: "link",
+        type: "symlink",
+      })
+      expect(text((await Effect.runPromise(harness.files.read(`${harness.root}/link-dir/file`))).bytes)).toBe(
+        "through link",
+      )
+      const listError = await failure(harness.files.list(`${harness.root}/link-dir`))
+      expect(listError).toBeInstanceOf(WrongKind)
+      expect((listError as WrongKind).actual).toBe("symlink")
+    })
+
+    check("follows symlinks when reading", async (harness) => {
+      if (!harness.symlink) return
+      await Effect.runPromise(harness.files.write(`${harness.root}/target`, bytes("target content")))
+      await Effect.runPromise(harness.files.mkdir(`${harness.root}/directory`))
+      await Effect.runPromise(harness.symlink("target", `${harness.root}/file-link`))
+      await Effect.runPromise(harness.symlink("directory", `${harness.root}/directory-link`))
+      await Effect.runPromise(harness.symlink("missing", `${harness.root}/dangling-link`))
+
+      const result = await Effect.runPromise(harness.files.read(`${harness.root}/file-link`))
+      expect(text(result.bytes)).toBe("target content")
+      expect(result.info.type).toBe("file")
+      expect(result.info.size).toBe(bytes("target content").length)
+
+      const directoryError = await failure(harness.files.read(`${harness.root}/directory-link`))
+      expect(directoryError).toBeInstanceOf(WrongKind)
+      expect((directoryError as WrongKind).actual).toBe("directory")
+      expect(await failure(harness.files.read(`${harness.root}/dangling-link`))).toBeInstanceOf(NotFound)
+    })
+
+    check("moves files and removes trees idempotently", async ({ files, root }) => {
+      const source = `${root}/source/file`
+      const destination = `${root}/destination`
+      await Effect.runPromise(files.write(source, bytes("moved")))
+      await Effect.runPromise(files.move(source, destination))
+      expect(text((await Effect.runPromise(files.read(destination))).bytes)).toBe("moved")
+      expect(await failure(files.stat(source))).toBeInstanceOf(NotFound)
+      await Effect.runPromise(files.remove(`${root}/source`))
+      await Effect.runPromise(files.remove(`${root}/source`))
+      expect(await failure(files.stat(`${root}/source`))).toBeInstanceOf(NotFound)
+    })
+  })
+}

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

@@ -194,7 +194,11 @@ describe("ModelResolver", () => {
     Effect.gen(function* () {
       const resolved = yield* ModelResolver.fromCatalogModel(
         model(Provider.aisdk("@ai-sdk/openai-compatible"), {
-          compatibility: { reasoningField: "vendor_reasoning" },
+          compatibility: {
+            reasoningField: "vendor_reasoning",
+            maxTokensField: "max_completion_tokens",
+            requireFinishReason: false,
+          },
           settings: {
             apiKey: "settings-secret",
             baseURL: "https://compatible.example/v1",
@@ -204,7 +208,8 @@ describe("ModelResolver", () => {
           body: {},
         }),
       )
-      const request = LLM.request({ model: resolved, prompt: "Hello" })
+      const request = LLM.request({ model: resolved, prompt: "Hello", generation: { maxTokens: 10 } })
+      const prepared = yield* compileRequest(request)
       const headers = yield* resolved.route.auth.apply({
         request,
         method: "POST",
@@ -216,6 +221,10 @@ 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/session-create.test.ts

@@ -23,6 +23,7 @@ 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"
@@ -37,7 +38,14 @@ const projects = Layer.succeed(
 )
 const it = testEffect(
   AppNodeBuilder.build(
-    LayerNode.group([Database.node, Bus.node, SessionProjector.node, SessionStore.node, Session.node]),
+    LayerNode.group([
+      Database.node,
+      Bus.node,
+      SessionProjector.node,
+      SessionStore.node,
+      Session.node,
+      SessionTransfer.node,
+    ]),
     [
       [Bus.node, Bus.configured({ persist: true })],
       [Project.node, projects],
@@ -740,3 +748,77 @@ 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/tool-websearch.test.ts

@@ -1,5 +1,5 @@
 import { beforeEach, describe, expect } from "bun:test"
-import { Effect, Layer } from "effect"
+import { Deferred, 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"
@@ -39,6 +39,8 @@ 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: {} }],
@@ -52,6 +54,8 @@ 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: {} }],
@@ -75,11 +79,21 @@ const websearch = Layer.succeed(
     transform: () => Effect.die("unused"),
     reload: () => Effect.die("unused"),
     providers: () => Effect.succeed(providers),
-    default: () => Effect.succeed(undefined),
+    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
+      }),
     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 })
@@ -316,6 +330,35 @@ 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/protocol/src/groups/session.ts

@@ -1,4 +1,5 @@
 import { SessionMessage } from "@opencode-ai/schema/session-message"
+import { SessionTransfer } from "@opencode-ai/schema/session-transfer"
 import { SessionPending } from "@opencode-ai/schema/session-pending"
 import { PromptInput } from "@opencode-ai/schema/prompt-input"
 import { Session } from "@opencode-ai/schema/session"
@@ -163,6 +164,36 @@ export const makeSessionGroup = <I extends HttpApiMiddleware.AnyId, S>(sessionLo
         }),
       ),
     )
+    .add(
+      HttpApiEndpoint.post("session.import", "/api/session/import", {
+        payload: Schema.Struct({
+          ...SessionTransfer.Data.fields,
+          location: Location.Ref.pipe(Schema.optional),
+        }),
+        success: Schema.Struct({ data: Session.Info }),
+        error: ConflictError,
+      }).annotateMerge(
+        OpenApi.annotations({
+          identifier: "v2.session.import",
+          summary: "Import session",
+          description: "Import a projected session transcript at the requested location.",
+        }),
+      ),
+    )
+    .add(
+      HttpApiEndpoint.get("session.export", "/api/session/:sessionID/export", {
+        params: { sessionID: Session.ID },
+        query: Schema.Struct({ sanitize: BooleanFromString.pipe(Schema.optional) }),
+        success: Schema.Struct({ data: SessionTransfer.Data }),
+        error: [SessionNotFoundError, UnknownError],
+      }).annotateMerge(
+        OpenApi.annotations({
+          identifier: "v2.session.export",
+          summary: "Export session",
+          description: "Export a complete projected session transcript.",
+        }),
+      ),
+    )
     .add(
       HttpApiEndpoint.get("session.active", "/api/session/active", {
         success: Schema.Struct({ data: Schema.Record(Session.ID, SessionActive) }),

packages/schema/src/index.ts

@@ -25,6 +25,7 @@ export { Vcs } from "./vcs.js"
 export { SessionPending } from "./session-pending.js"
 export { SessionError } from "./session-error.js"
 export { SessionMessage } from "./session-message.js"
+export { SessionTransfer } from "./session-transfer.js"
 export { Snapshot } from "./snapshot.js"
 export { Shell } from "./shell.js"
 export { Skill } from "./skill.js"

packages/schema/src/model.ts

@@ -47,9 +47,16 @@ export const ReasoningField: Schema.Codec<ReasoningField> = Schema.Union([
   Schema.String,
 ]).annotate({ identifier: "Model.ReasoningField" })
 
+export const MaxTokensField = Schema.Literals(["max_completion_tokens", "max_tokens"]).annotate({
+  identifier: "Model.MaxTokensField",
+})
+export type MaxTokensField = typeof MaxTokensField.Type
+
 export interface Compatibility extends Schema.Schema.Type<typeof Compatibility> {}
 export const Compatibility = Schema.Struct({
   reasoningField: ReasoningField.pipe(optional),
+  maxTokensField: MaxTokensField.pipe(optional),
+  requireFinishReason: Schema.Boolean.pipe(optional),
 }).annotate({ identifier: "Model.Compatibility" })
 
 export interface Capabilities extends Schema.Schema.Type<typeof Capabilities> {}

packages/schema/src/session-transfer.ts

@@ -0,0 +1,11 @@
+export * as SessionTransfer from "./session-transfer.js"
+
+import { Schema } from "effect"
+import { Session } from "./session.js"
+import { SessionMessage } from "./session-message.js"
+
+export interface Data extends Schema.Schema.Type<typeof Data> {}
+export const Data = Schema.Struct({
+  info: Session.Info,
+  messages: Schema.Array(SessionMessage.Info),
+}).annotate({ identifier: "SessionTransfer.Data" })

packages/schema/test/model.test.ts

@@ -30,3 +30,22 @@ describe("Model.ReasoningField", () => {
       expect(decode(field)).toBe(field)
   })
 })
+
+describe("Model.Compatibility", () => {
+  test("decodes model compatibility overrides", () => {
+    const decode = Schema.decodeUnknownSync(Model.Compatibility)
+
+    expect(decode({})).toEqual({})
+    expect(
+      decode({
+        reasoningField: "vendor_reasoning",
+        maxTokensField: "max_completion_tokens",
+        requireFinishReason: false,
+      }),
+    ).toEqual({
+      reasoningField: "vendor_reasoning",
+      maxTokensField: "max_completion_tokens",
+      requireFinishReason: false,
+    })
+  })
+})

packages/server/src/handlers/session.ts

@@ -1,4 +1,5 @@
 import { Session } from "@opencode-ai/core/session"
+import { SessionTransfer } from "@opencode-ai/core/session/transfer"
 import { InstructionEntry } from "@opencode-ai/core/session/instruction-entry"
 import { DateTime, Effect, Stream } from "effect"
 import { HttpApiBuilder, HttpApiSchema } from "effect/unstable/httpapi"
@@ -24,6 +25,7 @@ const DefaultSessionsLimit = 50
 export const SessionHandler = HttpApiBuilder.group(Api, "server.session", (handlers) =>
   Effect.gen(function* () {
     const session = yield* Session.Service
+    const transfer = yield* SessionTransfer.Service
 
     return handlers
       .handle(
@@ -86,6 +88,56 @@ export const SessionHandler = HttpApiBuilder.group(Api, "server.session", (handl
           }
         }),
       )
+      .handle(
+        "session.import",
+        Effect.fn(function* (ctx) {
+          return {
+            data: yield* transfer
+              .import({
+                data: { info: ctx.payload.info, messages: ctx.payload.messages },
+                location: ctx.payload.location ?? { directory: AbsolutePath.make(process.cwd()) },
+              })
+              .pipe(
+                Effect.catchTag(
+                  "SessionTransfer.ImportConflictError",
+                  (error) =>
+                    new ConflictError({
+                      message: `Session already exists: ${error.sessionID}`,
+                      resource: error.sessionID,
+                    }),
+                ),
+              ),
+          }
+        }),
+      )
+      .handle(
+        "session.export",
+        Effect.fn(function* (ctx) {
+          return {
+            data: yield* transfer.export({ sessionID: ctx.params.sessionID, sanitize: ctx.query.sanitize }).pipe(
+              Effect.catchTag(
+                "Session.NotFoundError",
+                (error) =>
+                  new SessionNotFoundError({
+                    sessionID: error.sessionID,
+                    message: `Session not found: ${error.sessionID}`,
+                  }),
+              ),
+              Effect.catchTag("Session.MessageDecodeError", (error) => {
+                const ref = `err_${crypto.randomUUID().slice(0, 8)}`
+                return Effect.logError("failed to decode session message").pipe(
+                  Effect.annotateLogs({ ref, sessionID: error.sessionID, messageID: error.messageID }),
+                  Effect.andThen(
+                    Effect.fail(
+                      new UnknownError({ message: "Unexpected server error. Check server logs for details.", ref }),
+                    ),
+                  ),
+                )
+              }),
+            ),
+          }
+        }),
+      )
       .handle(
         "session.active",
         Effect.fn(function* () {

packages/server/src/routes.ts

@@ -16,6 +16,7 @@ import { PtyTicket } from "@opencode-ai/core/pty/ticket"
 import { Pty } from "@opencode-ai/core/pty"
 import { Project } from "@opencode-ai/core/project"
 import { Session } from "@opencode-ai/core/session"
+import { SessionTransfer } from "@opencode-ai/core/session/transfer"
 import { Shell } from "@opencode-ai/core/shell"
 import { Job } from "@opencode-ai/core/job"
 import { MCP } from "@opencode-ai/core/mcp/index"
@@ -51,6 +52,7 @@ const applicationServices = LayerNode.group([
   Job.node,
   Project.node,
   Session.node,
+  SessionTransfer.node,
   PluginRuntime.providerNode,
   SdkPlugins.node,
   PermissionSaved.node,

packages/tui/src/app.tsx

@@ -512,7 +512,7 @@ function App(props: { pair?: DialogPairCredentials }) {
   const terminalTitleEnabled = () => config.data.terminal?.title ?? true
   const copyOnSelectEnabled = () => config.data.terminal?.copy_on_select ?? process.platform !== "win32"
   const pasteSummaryEnabled = () => config.data.prompt?.paste !== "full"
-  const tabsVertical = () => (config.data.tabs?.vertical ?? false) && sessionTabsFitVertically(dimensions().width)
+  const tabsVertical = () => config.data.tabs.layout === "vertical" && sessionTabsFitVertically(dimensions().width)
   const tabsVisible = () =>
     sessionTabs.enabled() && (sessionTabs.tabs().length > 0 || sessionTabs.newTab()) && route.data.type !== "plugin"
 

packages/tui/src/component/dialog-config.tsx

@@ -88,7 +88,7 @@ export const settings: Setting[] = [
     title: "Enabled",
     category: "Tabs",
     path: ["tabs", "enabled"],
-    default: false,
+    default: true,
     values: [false, true],
     labels: ["off", "on"],
   },
@@ -96,17 +96,16 @@ export const settings: Setting[] = [
     title: "Scope",
     category: "Tabs",
     path: ["tabs", "scope"],
-    default: "global",
+    default: "cwd",
     values: ["cwd", "global"],
     labels: ["current directory", "global"],
   },
   {
-    title: "Vertical",
+    title: "Layout",
     category: "Tabs",
-    path: ["tabs", "vertical"],
-    default: false,
-    values: [false, true],
-    labels: ["off", "on"],
+    path: ["tabs", "layout"],
+    default: "horizontal",
+    values: ["horizontal", "vertical"],
     keywords: ["sidebar", "orientation", "left"],
   },
   {

packages/tui/src/component/dialog-model.tsx

@@ -8,17 +8,21 @@ import * as fuzzysort from "fuzzysort"
 import { useConnected } from "./use-connected"
 import { useData } from "../context/data"
 import { modelPreferenceKey } from "../model-preference"
+import { useLocation } from "../context/location"
 
 export function DialogModel(props: { providerID?: string }) {
   const local = useLocal()
   const data = useData()
   const dialog = useDialog()
+  const location = useLocation()
   const [query, setQuery] = createSignal("")
   const favoritePriority = new Set(local.model.favorite().map(modelPreferenceKey))
 
   const connected = useConnected()
-  const providers = createMemo(() => new Map((data.location.provider.list() ?? []).map((item) => [item.id, item])))
-  const models = createMemo(() => data.location.model.list() ?? [])
+  const providers = createMemo(
+    () => new Map((data.location.provider.list(location.ref) ?? []).map((item) => [item.id, item])),
+  )
+  const models = createMemo(() => data.location.model.list(location.ref) ?? [])
 
   const showExtra = createMemo(() => connected() && !props.providerID)
 

packages/tui/src/component/prompt/index.tsx

@@ -327,10 +327,6 @@ export function Prompt(props: PromptProps) {
     if (!session) return
     const agent = session.agent && local.agent.list().find((agent) => agent.id === session.agent)
     if (agent && !args.agent) local.agent.set(agent.id)
-    if (session.model) {
-      local.model.set({ providerID: session.model.providerID, modelID: session.model.id })
-      local.model.variant.set(session.model.variant)
-    }
     syncedSessionID = sessionID
   })
 
@@ -943,15 +939,43 @@ export function Prompt(props: PromptProps) {
       await slash.command.run(slash.input)
       return true
     }
+    const inputText = expandTrackedPastedText(
+      store.prompt.text,
+      input.extmarks.getAllForTypeId(promptPartTypeId).flatMap((extmark) => {
+        const ref = store.extmarkToPart.get(extmark.id)
+        if (ref?.type !== "pasted") return []
+        const part = store.prompt.pasted[ref.index]
+        if (!part) return []
+        return [{ start: extmark.start, end: extmark.end, text: part.text }]
+      }),
+    )
+    const slashHead = parseSlashHead(inputText, /\s/)
+    const isSkill =
+      slashHead !== undefined &&
+      (data.location.skill.list(currentLocation.ref) ?? []).some(
+        (skill) => skill.slash === true && skill.id === slashHead.name,
+      )
+    const isCommand =
+      slashHead !== undefined &&
+      (data.location.command.list(currentLocation.ref) ?? []).some((command) => command.name === slashHead.name)
     const agent = local.agent.current()
     if (!agent) return false
-    const selectedModel = local.model.current()
-    if (!selectedModel) {
+    const selection = local.model.selection()
+    if (!selection) {
       void promptModelWarning()
       return false
     }
+    const usesModel = !props.sessionID || (store.mode !== "shell" && !isSkill)
+    if (usesModel && !local.model.available(selection)) {
+      toast.show({
+        title: "Model unavailable",
+        message: `${selection.providerID}/${selection.modelID} is not available in this session's location`,
+        variant: "warning",
+      })
+      return false
+    }
 
-    const variant = local.model.variant.current()
+    const variant = selection.variant
     let sessionID = props.sessionID
     let session = sessionID ? data.session.get(sessionID) : undefined
     let finishMoveProgress = false
@@ -969,8 +993,8 @@ export function Prompt(props: PromptProps) {
           location: directory ? { directory } : location,
           agent: agent.id,
           model: {
-            providerID: selectedModel.providerID,
-            id: selectedModel.modelID,
+            providerID: selection.providerID,
+            id: selection.modelID,
             variant,
           },
         })
@@ -990,17 +1014,6 @@ export function Prompt(props: PromptProps) {
       session = created
     }
 
-    const inputText = expandTrackedPastedText(
-      store.prompt.text,
-      input.extmarks.getAllForTypeId(promptPartTypeId).flatMap((extmark) => {
-        const ref = store.extmarkToPart.get(extmark.id)
-        if (ref?.type !== "pasted") return []
-        const part = store.prompt.pasted[ref.index]
-        if (!part) return []
-        return [{ start: extmark.start, end: extmark.end, text: part.text }]
-      }),
-    )
-
     // Capture mode before it gets reset
     const currentMode = store.mode
     const editorSelection = editorContext()
@@ -1013,43 +1026,30 @@ export function Prompt(props: PromptProps) {
         command: inputText,
       })
       setStore("mode", "normal")
-    } else if (
-      inputText.startsWith("/") &&
-      (data.location.command.list(currentLocation.current) ?? []).some(
-        (command) => command.name === inputText.split("\n")[0].split(" ")[0].slice(1),
-      )
-    ) {
+    } else if (slashHead && isCommand) {
       move.startSubmit()
-      // Parse command from first line, preserve multi-line content in arguments
-      const firstLineEnd = inputText.indexOf("\n")
-      const firstLine = firstLineEnd === -1 ? inputText : inputText.slice(0, firstLineEnd)
-      const [command, ...firstLineArgs] = firstLine.split(" ")
-      const restOfInput = firstLineEnd === -1 ? "" : inputText.slice(firstLineEnd + 1)
-      const args = firstLineArgs.join(" ") + (restOfInput ? "\n" + restOfInput : "")
+      const model = { providerID: selection.providerID, id: selection.modelID, variant }
+      const cancelCommit = local.model.trackSessionCommit(sessionID, model)
 
       void client.api.session
         .command({
           sessionID,
-          command: command.slice(1),
-          arguments: args,
+          command: slashHead.name,
+          arguments: slashHead.arguments,
           agent: agent.id,
-          model: { providerID: selectedModel.providerID, id: selectedModel.modelID, variant },
+          model,
           files: store.prompt.files,
           agents: store.prompt.agents,
         })
         .catch((error) => {
+          cancelCommit()
           toast.show({ title: "Failed to run command", message: errorMessage(error), variant: "error" })
         })
-    } else if (
-      inputText.startsWith("/") &&
-      (data.location.skill.list(currentLocation.current) ?? []).some(
-        (skill) => skill.slash === true && skill.id === inputText.split("\n")[0].split(" ")[0].slice(1),
-      )
-    ) {
+    } else if (isSkill) {
       move.startSubmit()
       void client.api.session.skill({
         sessionID,
-        skill: inputText.split("\n")[0].split(" ")[0].slice(1),
+        skill: slashHead!.name,
       })
     } else {
       move.startSubmit()
@@ -1061,13 +1061,15 @@ export function Prompt(props: PromptProps) {
         await client.api.session.switchAgent({ sessionID, agent: agent.id })
       }
       if (
-        session?.model?.providerID !== selectedModel.providerID ||
-        session.model.id !== selectedModel.modelID ||
+        session?.model?.providerID !== selection.providerID ||
+        session.model.id !== selection.modelID ||
         (session.model.variant ?? "default") !== (variant ?? "default")
       ) {
-        await client.api.session.switchModel({
-          sessionID,
-          model: { providerID: selectedModel.providerID, id: selectedModel.modelID, variant },
+        const model = { providerID: selection.providerID, id: selection.modelID, variant }
+        const cancelCommit = local.model.trackSessionCommit(sessionID, model)
+        await client.api.session.switchModel({ sessionID, model }).catch((error) => {
+          cancelCommit()
+          throw error
         })
       }
       if (session?.revert) {
@@ -1320,10 +1322,7 @@ export function Prompt(props: PromptProps) {
       return `Ask anything... "${list()[store.placeholder % list().length]}"`
     })()
     if (!value) return undefined
-    const width =
-      dimensions().width < 44
-        ? dimensions().width - 5
-        : Math.min(75, dimensions().width - 4) - 5
+    const width = dimensions().width < 44 ? dimensions().width - 5 : Math.min(75, dimensions().width - 4) - 5
     return Locale.takeWidth(value, Math.max(1, width)).trimEnd()
   })
   const locationLabel = createMemo(() => {

packages/tui/src/config/index.tsx

@@ -132,8 +132,8 @@ export const Info = Schema.Struct({
       scope: Schema.optional(Schema.Literals(["global", "cwd"])).annotate({
         description: "Share tabs globally or keep a separate set for each working directory",
       }),
-      vertical: Schema.optional(Schema.Boolean).annotate({
-        description: "Show tabs in a left sidebar instead of a horizontal strip",
+      layout: Schema.optional(Schema.Literals(["horizontal", "vertical"])).annotate({
+        description: "Show tabs in a horizontal strip or vertical sidebar",
       }),
     }),
   ).annotate({ description: "Tab strip settings" }),
@@ -179,7 +179,7 @@ export const Info = Schema.Struct({
 })
 export type Info = Schema.Schema.Type<typeof Info>
 
-export type Resolved = Omit<Info, "attention" | "keybinds" | "leader" | "mouse"> & {
+export type Resolved = Omit<Info, "attention" | "keybinds" | "leader" | "mouse" | "tabs"> & {
   attention: {
     enabled: boolean
     notifications: boolean
@@ -191,6 +191,11 @@ export type Resolved = Omit<Info, "attention" | "keybinds" | "leader" | "mouse">
   keybinds: TuiKeybind.BindingLookupView
   leader: { timeout: number }
   mouse: boolean
+  tabs: {
+    enabled: boolean
+    scope: "global" | "cwd"
+    layout: "horizontal" | "vertical"
+  }
 }
 
 export function resolve(input: Info, options: { terminalSuspend: boolean }): Resolved {
@@ -221,6 +226,12 @@ export function resolve(input: Info, options: { terminalSuspend: boolean }): Res
     }),
     leader: { timeout: input.leader?.timeout ?? 2000 },
     mouse: input.mouse ?? true,
+    tabs: {
+      ...input.tabs,
+      enabled: input.tabs?.enabled ?? true,
+      scope: input.tabs?.scope ?? "cwd",
+      layout: input.tabs?.layout ?? "horizontal",
+    },
   }
 }
 

packages/tui/src/context/local.tsx

@@ -1,7 +1,7 @@
 import { createStore } from "solid-js/store"
 import { dedupeWith } from "effect/Array"
 import { createSimpleContext } from "./helper"
-import { batch, createMemo } from "solid-js"
+import { batch, createMemo, onCleanup } from "solid-js"
 import { useEvent } from "./event"
 import path from "path"
 import { useTuiPaths } from "./runtime"
@@ -22,6 +22,7 @@ import { useToast } from "../ui/toast"
 import { useRoute } from "./route"
 import { useData } from "./data"
 import { usePermission } from "./permission"
+import { useLocation } from "./location"
 
 export function parseModel(model: string) {
   const [providerID, ...rest] = model.split("/")
@@ -57,26 +58,29 @@ export const { use: useLocal, provider: LocalProvider } = createSimpleContext({
     const args = useArgs()
     const event = useEvent()
     const permission = usePermission()
+    const location = useLocation()
+
+    const models = () => data.location.model.list(location.ref)
+    const providers = () => data.location.provider.list(location.ref)
 
     function isModelValid(model: ModelPreferenceModel) {
-      return !!data.location.model
-        .list()
-        ?.some((item) => item.providerID === model.providerID && item.id === model.modelID)
+      return !!models()?.some((item) => item.providerID === model.providerID && item.id === model.modelID)
     }
 
     function getFirstValidModel(...modelFns: (() => ModelPreferenceModel | undefined)[]) {
       for (const modelFn of modelFns) {
         const model = modelFn()
-        if (!model) continue
-        if (isModelValid(model)) return model
+        if (model && isModelValid(model)) return model
       }
     }
 
     function createAgent() {
       const agents = createMemo(() =>
-        (data.location.agent.list() ?? []).filter((agent) => agent.mode !== "subagent" && !agent.hidden),
+        (data.location.agent.list(location.ref) ?? []).filter((agent) => agent.mode !== "subagent" && !agent.hidden),
+      )
+      const visibleAgents = createMemo(() =>
+        (data.location.agent.list(location.ref) ?? []).filter((agent) => !agent.hidden),
       )
-      const visibleAgents = createMemo(() => (data.location.agent.list() ?? []).filter((agent) => !agent.hidden))
       const [agentStore, setAgentStore] = createStore({
         current: undefined as string | undefined,
       })
@@ -128,35 +132,40 @@ export const { use: useLocal, provider: LocalProvider } = createSimpleContext({
     const agent = createAgent()
 
     function createModel() {
-      const [modelStore, setModelStore] = createStore<
-        ModelPreference & {
-          ready: boolean
-          model: Record<string, ModelPreferenceModel>
-        }
-      >({
+      type ModelSelection = ModelPreferenceModel & { variant?: string }
+      const [preferences, setPreferences] = createStore<ModelPreference & { ready: boolean }>({
         ready: false,
-        model: {},
         recent: [],
         favorite: [],
         variant: {},
       })
+      const [selectionState, setSelectionState] = createStore<{
+        newSessionModelByLocationAgent: Record<string, ModelPreferenceModel | undefined>
+        draftBySession: Record<string, ModelSelection | undefined>
+      }>({
+        newSessionModelByLocationAgent: {},
+        draftBySession: {},
+      })
 
       const repository = createModelPreferenceRepository(path.join(paths.state, "model.json"))
-      const state = {
+      const pendingSelectionCommits = new Map<string, string>()
+      const selectionKey = (value: ModelSelection) =>
+        `${modelPreferenceKey(value)}:${normalizeModelVariant(value.variant) ?? "default"}`
+      const saveState = {
         pending: false,
       }
 
-      function save() {
-        if (!modelStore.ready) {
-          state.pending = true
+      function savePreferences() {
+        if (!preferences.ready) {
+          saveState.pending = true
           return
         }
-        state.pending = false
+        saveState.pending = false
         void repository
           .patch({
-            recent: modelStore.recent,
-            favorite: modelStore.favorite,
-            variant: modelStore.variant,
+            recent: preferences.recent,
+            favorite: preferences.favorite,
+            variant: preferences.variant,
           })
           .catch(() => undefined)
       }
@@ -164,14 +173,14 @@ export const { use: useLocal, provider: LocalProvider } = createSimpleContext({
       repository
         .load()
         .then((value) => {
-          setModelStore("recent", value.recent)
-          setModelStore("favorite", value.favorite)
-          setModelStore("variant", value.variant)
+          setPreferences("recent", value.recent)
+          setPreferences("favorite", value.favorite)
+          setPreferences("variant", value.variant)
         })
         .catch(() => {})
         .finally(() => {
-          setModelStore("ready", true)
-          if (state.pending) save()
+          setPreferences("ready", true)
+          if (saveState.pending) savePreferences()
         })
 
       const fallbackModel = createMemo(() => {
@@ -185,13 +194,13 @@ export const { use: useLocal, provider: LocalProvider } = createSimpleContext({
           }
         }
 
-        for (const item of modelStore.recent) {
+        for (const item of preferences.recent) {
           if (isModelValid(item)) {
             return item
           }
         }
 
-        const model = data.location.model.list()?.[0]
+        const model = models()?.[0]
         if (!model) return undefined
         return {
           providerID: model.providerID,
@@ -199,30 +208,134 @@ export const { use: useLocal, provider: LocalProvider } = createSimpleContext({
         }
       })
 
-      const currentModel = createMemo(() => {
+      const newSessionModel = createMemo(() => {
         const a = agent.current()
-        return (
-          getFirstValidModel(
-            () => a && modelStore.model[a.id],
-            () => a?.model && { providerID: a.model.providerID, modelID: a.model.id },
-            fallbackModel,
-          ) ?? undefined
+        return getFirstValidModel(
+          () => a && selectionState.newSessionModelByLocationAgent[locationAgentKey(a.id)],
+          () => a?.model && { providerID: a.model.providerID, modelID: a.model.id },
+          fallbackModel,
         )
       })
 
+      const currentSelection = createMemo<ModelSelection | undefined>(() => {
+        if (route.data.type === "session") return sessionSelection(route.data.sessionID)
+        const model = newSessionModel()
+        if (!model) return
+        return { ...model, variant: normalizeModelVariant(preferences.variant[modelPreferenceKey(model)]) }
+      })
+
+      const currentModel = createMemo(() => {
+        const selection = currentSelection()
+        if (!selection) return
+        return { providerID: selection.providerID, modelID: selection.modelID }
+      })
+
+      function locationAgentKey(agentID: string) {
+        const ref = location.ref ?? data.location.default()
+        return `${JSON.stringify([ref.directory, ref.workspaceID])}:${agentID}`
+      }
+
+      function durableSelection(sessionID: string): ModelSelection | undefined {
+        const model = data.session.get(sessionID)?.model
+        if (!model) return
+        return {
+          providerID: model.providerID,
+          modelID: model.id,
+          variant: normalizeModelVariant(model.variant),
+        }
+      }
+
+      function sessionSelection(sessionID: string) {
+        return selectionState.draftBySession[sessionID] ?? durableSelection(sessionID)
+      }
+
+      function setSessionDraft(sessionID: string, selection: ModelSelection) {
+        const durable = durableSelection(sessionID)
+        setSelectionState(
+          "draftBySession",
+          sessionID,
+          durable && selectionKey(durable) === selectionKey(selection) ? undefined : selection,
+        )
+      }
+
+      function selectModel(model: ModelPreferenceModel) {
+        if (route.data.type === "session") {
+          const sessionID = route.data.sessionID
+          const current = sessionSelection(sessionID)
+          const preferred = normalizeModelVariant(
+            current?.providerID === model.providerID && current.modelID === model.modelID
+              ? current.variant
+              : preferences.variant[modelPreferenceKey(model)],
+          )
+          const info = models()?.find((item) => item.providerID === model.providerID && item.id === model.modelID)
+          const variant = preferred && info?.variants?.some((item) => item.id === preferred) ? preferred : undefined
+          setSessionDraft(sessionID, { ...model, variant })
+          return true
+        }
+        const current = agent.current()
+        if (!current) return false
+        setSelectionState("newSessionModelByLocationAgent", locationAgentKey(current.id), model)
+        return true
+      }
+
+      onCleanup(
+        event.on("session.model.selected", (evt) => {
+          const expected = pendingSelectionCommits.get(evt.data.sessionID)
+          if (!expected) return
+          const committed = selectionKey({
+            providerID: evt.data.model.providerID,
+            modelID: evt.data.model.id,
+            variant: evt.data.model.variant,
+          })
+          if (committed !== expected) return
+          pendingSelectionCommits.delete(evt.data.sessionID)
+          const draft = selectionState.draftBySession[evt.data.sessionID]
+          if (draft && selectionKey(draft) === committed)
+            setSelectionState("draftBySession", evt.data.sessionID, undefined)
+        }),
+      )
+
+      onCleanup(
+        event.on("session.deleted", (evt) => {
+          pendingSelectionCommits.delete(evt.data.sessionID)
+          setSelectionState("draftBySession", evt.data.sessionID, undefined)
+        }),
+      )
+
       return {
         current: currentModel,
+        selection: currentSelection,
+        available(model = currentModel()) {
+          return model ? isModelValid(model) : false
+        },
+        trackSessionCommit(
+          sessionID: string,
+          value: {
+            providerID: string
+            id: string
+            variant?: string
+          },
+        ) {
+          const committed = selectionKey({ providerID: value.providerID, modelID: value.id, variant: value.variant })
+          pendingSelectionCommits.set(sessionID, committed)
+          return () => {
+            if (pendingSelectionCommits.get(sessionID) === committed) pendingSelectionCommits.delete(sessionID)
+          }
+        },
         get ready() {
-          return modelStore.ready
+          return preferences.ready
+        },
+        get catalogReady() {
+          return models() !== undefined
         },
         recent() {
-          return modelStore.recent
+          return preferences.recent
         },
         favorite() {
-          return modelStore.favorite
+          return preferences.favorite
         },
         parsed: createMemo(() => {
-          const value = currentModel()
+          const value = currentSelection()
           if (!value) {
             return {
               provider: "Connect a provider",
@@ -230,33 +343,28 @@ export const { use: useLocal, provider: LocalProvider } = createSimpleContext({
               reasoning: false,
             }
           }
-          const provider = data.location.provider.list()?.find((item) => item.id === value.providerID)
-          const info = data.location.model
-            .list()
-            ?.find((item) => item.providerID === value.providerID && item.id === value.modelID)
+          const provider = providers()?.find((item) => item.id === value.providerID)
+          const info = models()?.find((item) => item.providerID === value.providerID && item.id === value.modelID)
           return {
             provider: provider?.name ?? value.providerID,
-            model: info?.name ?? value.modelID,
+            model: info?.name ?? `${value.modelID} (unavailable)`,
             reasoning: (info?.variants?.length ?? 0) !== 0,
           }
         }),
         cycle(direction: 1 | -1) {
-          const current = currentModel()
+          const current = currentSelection()
           if (!current) return
-          const recent = modelStore.recent
+          const recent = recentModels(current, preferences.recent).filter(isModelValid)
           const index = recent.findIndex((x) => x.providerID === current.providerID && x.modelID === current.modelID)
-          if (index === -1) return
-          let next = index + direction
+          let next = index === -1 ? (direction === 1 ? 0 : recent.length - 1) : index + direction
           if (next < 0) next = recent.length - 1
           if (next >= recent.length) next = 0
           const val = recent[next]
           if (!val) return
-          const a = agent.current()
-          if (!a) return
-          setModelStore("model", a.id, { ...val })
+          selectModel({ ...val })
         },
         cycleFavorite(direction: 1 | -1) {
-          const favorites = modelStore.favorite.filter((item) => isModelValid(item))
+          const favorites = preferences.favorite.filter((item) => isModelValid(item))
           if (!favorites.length) {
             toast.show({
               variant: "info",
@@ -265,7 +373,7 @@ export const { use: useLocal, provider: LocalProvider } = createSimpleContext({
             })
             return
           }
-          const current = currentModel()
+          const current = currentSelection()
           let index = -1
           if (current) {
             index = favorites.findIndex((x) => x.providerID === current.providerID && x.modelID === current.modelID)
@@ -279,45 +387,39 @@ export const { use: useLocal, provider: LocalProvider } = createSimpleContext({
           }
           const next = favorites[index]
           if (!next) return
-          const a = agent.current()
-          if (!a) return
-          setModelStore("model", a.id, { ...next })
-          setModelStore("recent", recentModels(next, modelStore.recent))
-          save()
+          if (!selectModel({ ...next })) return
+          setPreferences("recent", recentModels(next, preferences.recent))
+          savePreferences()
         },
         set(model: { providerID: string; modelID: string }, options?: { recent?: boolean }) {
           batch(() => {
             if (!isModelValid(model)) return
-            const a = agent.current()
-            if (!a) return
-            setModelStore("model", a.id, model)
+            if (!selectModel(model)) return
             if (options?.recent) {
-              setModelStore("recent", recentModels(model, modelStore.recent))
-              save()
+              setPreferences("recent", recentModels(model, preferences.recent))
+              savePreferences()
             }
           })
         },
         toggleFavorite(model: { providerID: string; modelID: string }) {
           batch(() => {
             if (!isModelValid(model)) return
-            const exists = modelStore.favorite.some(
+            const exists = preferences.favorite.some(
               (x) => x.providerID === model.providerID && x.modelID === model.modelID,
             )
             const next = exists
-              ? modelStore.favorite.filter((x) => x.providerID !== model.providerID || x.modelID !== model.modelID)
-              : [model, ...modelStore.favorite]
-            setModelStore(
+              ? preferences.favorite.filter((x) => x.providerID !== model.providerID || x.modelID !== model.modelID)
+              : [model, ...preferences.favorite]
+            setPreferences(
               "favorite",
               next.map((x) => ({ providerID: x.providerID, modelID: x.modelID })),
             )
-            save()
+            savePreferences()
           })
         },
         variant: {
           selected() {
-            const m = currentModel()
-            if (!m) return undefined
-            return normalizeModelVariant(modelStore.variant[modelPreferenceKey(m)])
+            return currentSelection()?.variant
           },
           current() {
             const v = this.selected()
@@ -325,18 +427,20 @@ export const { use: useLocal, provider: LocalProvider } = createSimpleContext({
             return undefined
           },
           list() {
-            const m = currentModel()
+            const m = currentSelection()
             if (!m) return []
-            const info = data.location.model
-              .list()
-              ?.find((item) => item.providerID === m.providerID && item.id === m.modelID)
+            const info = models()?.find((item) => item.providerID === m.providerID && item.id === m.modelID)
             return info?.variants?.map((variant) => variant.id) ?? []
           },
           set(value: string | undefined) {
-            const m = currentModel()
+            const m = currentSelection()
             if (!m) return
-            setModelStore("variant", modelPreferenceKey(m), normalizeModelVariant(value))
-            save()
+            if (route.data.type === "session") {
+              setSessionDraft(route.data.sessionID, { ...m, variant: normalizeModelVariant(value) })
+              return
+            }
+            setPreferences("variant", modelPreferenceKey(m), normalizeModelVariant(value))
+            savePreferences()
           },
           cycle() {
             const variants = this.list()

packages/tui/src/context/session-tabs.tsx

@@ -49,7 +49,7 @@ export const { use: useSessionTabs, provider: SessionTabsProvider } = createSimp
     const event = useEvent()
     const config = useConfig().data
     const paths = useTuiPaths()
-    const enabled = () => config.tabs?.enabled ?? false
+    const enabled = () => config.tabs.enabled
     // Keyed reconcile keeps tab object identity across reorders, so strip rows move instead of
     // mutating in place, which per-row animations and drag state depend on.
     const [store, updateStore] = useStorage().store<PersistedState>("tabs", {
@@ -66,12 +66,12 @@ export const { use: useSessionTabs, provider: SessionTabsProvider } = createSimp
     let closedTabs: ClosedSessionTab[] = []
 
     function state() {
-      if (config.tabs?.scope === "cwd") return store.cwd[paths.cwd] ?? fallback
+      if (config.tabs.scope === "cwd") return store.cwd[paths.cwd] ?? fallback
       return store.global
     }
 
     function update(mutation: (draft: TabsState) => void) {
-      const scope = config.tabs?.scope ?? "global"
+      const scope = config.tabs.scope
       void updateStore((draft) => mutation(scope === "cwd" ? (draft.cwd[paths.cwd] ??= empty()) : draft.global)).catch(
         // Failed writes lose only tab layout, but silence would hide tabs resetting every launch.
         (error) => console.error("Failed to persist session tabs", error),

packages/tui/src/routes/session/index.tsx

@@ -204,7 +204,7 @@ export function Session() {
   const availableWidth = createMemo(
     () =>
       dimensions().width -
-      (config.tabs?.enabled && config.tabs.vertical && sessionTabsFitVertically(dimensions().width)
+      (config.tabs?.enabled && config.tabs.layout === "vertical" && sessionTabsFitVertically(dimensions().width)
         ? SESSION_SIDEBAR_WIDTH
         : 0),
   )
@@ -361,7 +361,7 @@ export function Session() {
 
   createEffect(() => {
     const current = prompt()
-    if (sent || !current || !synced() || !local.model.ready) return
+    if (sent || !current || !synced() || !local.model.ready || !local.model.catalogReady) return
     if (!local.agent.current() || !local.model.current()) return
     if (!args.prompt || route.prompt?.text !== args.prompt || current.current.text !== args.prompt) return
     sent = true
@@ -824,22 +824,13 @@ export function Session() {
           if (options === null) return
 
           const content =
-            options.format === "markdown"
-              ? formatSessionTranscript(sessionData, messages(), options.thinking)
-              : await (async () => {
-                  const messages: unknown[] = []
-                  let cursor: string | undefined
-                  do {
-                    const page = await client.api.message.list(
-                      cursor
-                        ? { sessionID: sessionData.id, limit: 200, cursor }
-                        : { sessionID: sessionData.id, limit: 200, order: "asc" },
-                    )
-                    messages.push(...page.data)
-                    cursor = page.data.length ? (page.cursor.next ?? undefined) : undefined
-                  } while (cursor)
-                  return JSON.stringify({ info: sessionData, messages }, null, 2) + EOL
-                })()
+              options.format === "markdown"
+                ? formatSessionTranscript(sessionData, messages(), options.thinking)
+                : JSON.stringify(
+                    await client.api.session.export({ sessionID: sessionData.id, sanitize: options.sanitize }),
+                    null,
+                    2,
+                  ) + EOL
 
           if (options.action === "copy") {
             await clipboard.write?.(content)

packages/tui/src/ui/dialog-export-options.tsx

@@ -9,11 +9,11 @@ export type ExportFormat = "markdown" | "json"
 
 export type DialogExportOptionsProps = {
   defaultThinking: boolean
-  onConfirm?: (options: { action: "copy" | "export"; format: ExportFormat; thinking: boolean }) => void
+  onConfirm?: (options: { action: "copy" | "export"; format: ExportFormat; thinking: boolean; sanitize: boolean }) => void
   onCancel?: () => void
 }
 
-type Active = ExportFormat | "thinking" | "copy" | "export"
+type Active = ExportFormat | "thinking" | "sanitize" | "copy" | "export"
 
 export function DialogExportOptions(props: DialogExportOptionsProps) {
   const dialog = useDialog()
@@ -22,6 +22,7 @@ export function DialogExportOptions(props: DialogExportOptionsProps) {
   const [store, setStore] = createStore({
     format: "markdown" as ExportFormat,
     thinking: props.defaultThinking,
+    sanitize: false,
     active: "markdown" as Active,
   })
 
@@ -30,6 +31,7 @@ export function DialogExportOptions(props: DialogExportOptionsProps) {
       action,
       format: store.format,
       thinking: store.thinking,
+      sanitize: store.sanitize,
     })
 
   const activate = () => {
@@ -38,6 +40,7 @@ export function DialogExportOptions(props: DialogExportOptionsProps) {
       return
     }
     if (store.active === "thinking") setStore("thinking", !store.thinking)
+    if (store.active === "sanitize") setStore("sanitize", !store.sanitize)
     if (store.active === "copy" || store.active === "export") confirm(store.active)
   }
 
@@ -52,7 +55,7 @@ export function DialogExportOptions(props: DialogExportOptionsProps) {
           const order: Active[] =
             store.format === "markdown"
               ? ["markdown", "json", "thinking", "copy", "export"]
-              : ["markdown", "json", "copy", "export"]
+              : ["markdown", "json", "sanitize", "copy", "export"]
           setStore("active", order[(order.indexOf(store.active) + 1) % order.length])
         },
       },
@@ -153,6 +156,46 @@ export function DialogExportOptions(props: DialogExportOptionsProps) {
           </text>
         </box>
       </Show>
+      <Show when={store.format === "json"}>
+        <box
+          flexDirection="row"
+          gap={1}
+          backgroundColor={
+            store.active === "sanitize"
+              ? theme.background.formfield.focused
+              : store.sanitize
+                ? theme.background.formfield.selected
+                : theme.background.formfield.default
+          }
+          onMouseUp={() => {
+            setStore("active", "sanitize")
+            setStore("sanitize", !store.sanitize)
+          }}
+        >
+          <text
+            fg={
+              store.active === "sanitize"
+                ? theme.text.formfield.focused
+                : store.sanitize
+                  ? theme.text.formfield.selected
+                  : theme.text.formfield.default
+            }
+          >
+            {store.sanitize ? "[x]" : "[ ]"}
+          </text>
+          <text
+            fg={
+              store.active === "sanitize"
+                ? theme.text.formfield.focused
+                : store.sanitize
+                  ? theme.text.formfield.selected
+                  : theme.text.formfield.default
+            }
+          >
+            Sanitize sensitive data
+          </text>
+        </box>
+      </Show>
       <box flexDirection="row" justifyContent="flex-end" gap={1} paddingBottom={1}>
         <box
           paddingLeft={4}
@@ -186,6 +229,7 @@ DialogExportOptions.show = (dialog: DialogContext, defaultThinking: boolean) =>
     action: "copy" | "export"
     format: ExportFormat
     thinking: boolean
+    sanitize: boolean
   } | null>((resolve) => {
     dialog.replace(
       () => (

packages/tui/test/config-v2.test.tsx

@@ -3,6 +3,7 @@ import { testRender } from "@opentui/solid"
 import { expect, test } from "bun:test"
 import { Schema } from "effect"
 import { resolve, ConfigProvider, Info, useConfig, type Interface } from "../src/config"
+import { settings } from "../src/component/dialog-config"
 
 test("validates mini replay settings", () => {
   const decode = Schema.decodeUnknownSync(Info)
@@ -17,7 +18,10 @@ test("validates mini replay settings", () => {
 test("validates the session tabs setting", () => {
   const decode = Schema.decodeUnknownSync(Info)
 
-  expect(decode({ tabs: { enabled: true, vertical: true } })).toEqual({ tabs: { enabled: true, vertical: true } })
+  expect(decode({ tabs: { enabled: true, layout: "vertical" } })).toEqual({
+    tabs: { enabled: true, layout: "vertical" },
+  })
+  expect(() => decode({ tabs: { layout: true } })).toThrow()
   expect(() => decode({ tabs: { enabled: "on" } })).toThrow()
 })
 
@@ -38,6 +42,13 @@ test("resolves nested config and keybind defaults", () => {
   expect(config.scroll).toEqual({ speed: 2, acceleration: true })
   expect(config.diffs).toEqual({ view: "split" })
   expect(config.debug).toEqual({ devtools: true })
+  expect(config.tabs).toEqual({ enabled: true, scope: "cwd", layout: "horizontal" })
+})
+
+test("shows resolved tab defaults in settings", () => {
+  expect(settings.find((setting) => setting.path.join(".") === "tabs.enabled")?.default).toBe(true)
+  expect(settings.find((setting) => setting.path.join(".") === "tabs.scope")?.default).toBe("cwd")
+  expect(settings.find((setting) => setting.path.join(".") === "tabs.layout")?.default).toBe("horizontal")
 })
 
 test("provides config and its host interface", async () => {

packages/tui/test/context/session-tabs.test.tsx

@@ -60,8 +60,8 @@ async function renderSessionTabs(
     await Bun.write(
       file,
       JSON.stringify({
-        global: { tabs: options.persisted.map((sessionID) => ({ sessionID })), unread: {} },
-        cwd: {},
+        global: { tabs: [], unread: {} },
+        cwd: { [directory]: { tabs: options.persisted.map((sessionID) => ({ sessionID })), unread: {} } },
       }),
     )
   }
@@ -153,15 +153,15 @@ test("loads persisted tab metadata concurrently on connect", async () => {
   }
 })
 
-test("stores session tabs globally by default", async () => {
+test("stores session tabs for the current working directory by default", async () => {
   const setup = await renderSessionTabs("first")
 
   try {
     const file = path.join(setup.state, "test", "tui", "tabs.json")
     await wait(() => Bun.file(file).size > 0)
     expect(await Bun.file(file).json()).toEqual({
-      global: { tabs: [{ sessionID: "first" }], unread: {} },
-      cwd: {},
+      global: { tabs: [], unread: {} },
+      cwd: { [directory]: { tabs: [{ sessionID: "first" }], unread: {} } },
     })
   } finally {
     setup.destroy()
@@ -180,7 +180,7 @@ test("concurrent TUIs do not alternate shared tab titles from divergent session
     await titled.data.session.sync("shared")
     await wait(async () => {
       if (!(await Bun.file(file).exists())) return false
-      return (await Bun.file(file).json()).global.tabs[0]?.title === "Generated title"
+      return (await Bun.file(file).json()).cwd[directory]?.tabs[0]?.title === "Generated title"
     })
     const observed = ["Generated title"]
     const pending = new Set<Promise<void>>()
@@ -189,7 +189,7 @@ test("concurrent TUIs do not alternate shared tab titles from divergent session
       const read = Bun.file(file)
         .json()
         .then((value) => {
-          const title = value.global.tabs[0]?.title
+          const title = value.cwd[directory]?.tabs[0]?.title
           if (title && observed.at(-1) !== title) observed.push(title)
         })
         .catch(() => undefined)