fix(tui): move debug overlay to devtools

Co-authored-by: exe.dev user <exedev@jlongster-site.exe.xyz>

packages/ai/README.md

@@ -368,11 +368,12 @@ Other provider exports listed above remain direct facades until they explicitly
 
 ## Provider options & HTTP overlays
 
-Three escape hatches in order of stability:
+Request options in order of stability:
 
 1. **`generation`** — portable knobs (`maxTokens`, `temperature`, `topP`, `topK`, penalties, seed, stop).
-2. **`providerOptions: { <provider>: {...} }`** — typed-at-the-facade provider-specific knobs (OpenAI `promptCacheKey`, Anthropic `thinking`, Gemini `thinkingConfig`, OpenRouter routing).
-3. **`http: { body, headers, query }`** — last-resort serializable overlays merged into the final HTTP request. Reach for this only when a stable typed path doesn't yet exist.
+2. **`promptCacheKey`** — stable cache affinity lowered by every protocol that supports it.
+3. **`providerOptions: { <provider>: {...} }`** — typed-at-the-facade provider-specific knobs (OpenAI `store`, Anthropic `thinking`, Gemini `thinkingConfig`, OpenRouter routing).
+4. **`http: { body, headers, query }`** — last-resort serializable overlays merged into the final HTTP request. Reach for this only when a stable typed path doesn't yet exist.
 
 Route/provider defaults are overridden by request-level values for each axis.
 

packages/ai/example/tutorial.ts

@@ -33,9 +33,10 @@ const model = OpenAI.configure({
 //
 //   - `generation`: common controls such as max tokens, temperature, topP/topK,
 //     penalties, seed, and stop sequences.
+//   - `promptCacheKey`: stable cache affinity for protocols that support it.
 //   - `providerOptions`: namespaced provider-native behavior. For example,
-//     OpenAI cache keys and store behavior, Anthropic thinking, Gemini thinking
-//     config, or OpenRouter routing/reasoning.
+//     OpenAI store behavior, Anthropic thinking, Gemini thinking config, or
+//     OpenRouter routing/reasoning.
 //   - `http`: last-resort serializable overlays for final request body, headers,
 //     and query params. Prefer typed `providerOptions` when a field is stable.
 //
@@ -45,9 +46,7 @@ const request = LLM.request({
   system: "You are concise and practical.",
   prompt: "Tell me a joke",
   generation: { maxTokens: 80, temperature: 0.7 },
-  providerOptions: {
-    openai: { promptCacheKey: "tutorial-joke" },
-  },
+  promptCacheKey: "tutorial-joke",
 })
 
 // 3. `generate` sends the request and collects the event stream into one

packages/ai/src/protocols/gemini.ts

@@ -25,8 +25,20 @@ import { ToolSchemaProjection } from "./utils/tool-schema"
 
 const ADAPTER = "gemini"
 const MEDIA_MIMES = new Set<string>(ProviderShared.MEDIA_MIMES)
+// Google documents this sentinel for replaying Gemini 3 function calls after their original signature was lost.
+const SKIP_THOUGHT_SIGNATURE_VALIDATOR = "skip_thought_signature_validator"
 export const DEFAULT_BASE_URL = "https://generativelanguage.googleapis.com/v1beta"
 
+// Gemini 3 rejects replayed function calls without a thought signature. Google's SDKs avoid that in normal chats by
+// retaining complete model responses, but OpenCode reconstructs durable history and may encounter an unsigned call
+// from an older or external session. Model IDs are open-ended, so unknown Gemini aliases inherit current behavior.
+const requiresThoughtSignatureFallback = (modelID: string) => {
+  if (!/(^|\/)gemini-/i.test(modelID)) return false
+  if (/(^|\/)gemini-(?:1|2)(?:[.-]|$)/i.test(modelID)) return false
+  if (/(^|\/)gemini-pro(?:-vision)?$/i.test(modelID)) return false
+  return !/(^|\/)gemini-robotics-er-1\.5(?:[.-]|$)/i.test(modelID)
+}
+
 export interface OptionsInput {
   readonly [key: string]: unknown
   readonly cachedContent?: string
@@ -145,6 +157,9 @@ const GeminiGenerationConfig = Schema.Struct({
   temperature: Schema.optional(Schema.Number),
   topP: Schema.optional(Schema.Number),
   topK: Schema.optional(Schema.Number),
+  frequencyPenalty: Schema.optional(Schema.Number),
+  presencePenalty: Schema.optional(Schema.Number),
+  seed: Schema.optional(Schema.Number),
   stopSequences: optionalArray(Schema.String),
   thinkingConfig: Schema.optional(GeminiThinkingConfig),
 })
@@ -202,11 +217,13 @@ interface ParserState {
 //    keys on non-object scalars. Mirrors OpenCode's historical Gemini rules.
 //
 // 2. Project — lossy mapping from JSON Schema to Gemini's schema dialect:
-//    drop empty objects, derive `nullable: true` from `type: [..., "null"]`,
-//    coerce `const` to `[const]` enum, recurse properties/items, propagate
+//    drop empty root parameter schemas while preserving nested empty objects,
+//    expand type arrays into `anyOf`, derive `nullable: true` from null members,
+//    coerce `const` to `[const]` enum, recurse properties/items, and propagate
 //    only an allowlisted set of keys (description, required, format, type,
-//    properties, items, allOf, anyOf, oneOf, minLength). Anything outside the
-//    allowlist (e.g. `additionalProperties`, `$ref`) is silently dropped.
+//    nullable, enum, properties, items, allOf, anyOf, oneOf, minLength).
+//    Anything outside the allowlist (e.g. `additionalProperties`, `$ref`) is
+//    silently dropped.
 //
 // Sanitize runs first, then project. The implementation lives in
 // `utils/gemini-tool-schema` so this protocol keeps the same shape as the other
@@ -282,6 +299,8 @@ const lowerMessages = Effect.fn("Gemini.lowerMessages")(function* (request: LLMR
 
     if (message.role === "assistant") {
       const parts: Array<Schema.Schema.Type<typeof GeminiContentPart>> = []
+      // Parallel Gemini 3 calls may carry one signature on the first call; unsigned sibling calls are valid.
+      let hasSignedToolCall = false
       for (const part of message.content) {
         if (!ProviderShared.supportsContent(part, ["text", "reasoning", "tool-call"]))
           return yield* ProviderShared.unsupportedContent("Gemini", "assistant", ["text", "reasoning", "tool-call"])
@@ -294,7 +313,17 @@ const lowerMessages = Effect.fn("Gemini.lowerMessages")(function* (request: LLMR
           continue
         }
         if (part.type === "tool-call") {
-          parts.push(lowerToolCall(part))
+          const lowered = lowerToolCall(part)
+          const signature = lowered.thoughtSignature
+          parts.push({
+            ...lowered,
+            thoughtSignature:
+              signature ??
+              (requiresThoughtSignatureFallback(request.model.id) && !hasSignedToolCall
+                ? SKIP_THOUGHT_SIGNATURE_VALIDATOR
+                : undefined),
+          })
+          if (signature !== undefined) hasSignedToolCall = true
           continue
         }
       }
@@ -388,6 +417,9 @@ const fromRequest = Effect.fn("Gemini.fromRequest")(function* (request: LLMReque
     temperature: generation?.temperature,
     topP: generation?.topP,
     topK: generation?.topK,
+    frequencyPenalty: generation?.frequencyPenalty,
+    presencePenalty: generation?.presencePenalty,
+    seed: generation?.seed,
     stopSequences: generation?.stop,
     thinkingConfig: options.thinkingConfig,
   }

packages/ai/src/protocols/open-responses.ts

@@ -539,7 +539,7 @@ const lowerOptions = (request: LLMRequest) => {
   return {
     ...(options.instructions ? { instructions: options.instructions } : {}),
     ...(options.store !== undefined ? { store: options.store } : {}),
-    ...(options.promptCacheKey ? { prompt_cache_key: options.promptCacheKey } : {}),
+    ...(request.promptCacheKey ? { prompt_cache_key: request.promptCacheKey } : {}),
     ...(options.include ? { include: options.include } : {}),
     ...(options.reasoningEffort || options.reasoningSummary
       ? { reasoning: { effort: options.reasoningEffort, summary: options.reasoningSummary } }

packages/ai/src/protocols/openai-chat.ts

@@ -132,6 +132,7 @@ export const bodyFields = {
   stream: Schema.Literal(true),
   stream_options: Schema.optional(Schema.Struct({ include_usage: Schema.Boolean })),
   store: Schema.optional(Schema.Boolean),
+  prompt_cache_key: Schema.optional(Schema.String),
   reasoning_effort: Schema.optional(OpenAIOptions.OpenAIReasoningEffort),
   max_completion_tokens: Schema.optional(Schema.Number),
   max_tokens: Schema.optional(Schema.Number),
@@ -509,6 +510,7 @@ const lowerOptions = (request: LLMRequest) => {
   const options = OpenAIOptions.resolve(request)
   return {
     ...(options.store !== undefined ? { store: options.store } : {}),
+    ...(request.promptCacheKey ? { prompt_cache_key: request.promptCacheKey } : {}),
     ...(options.reasoningEffort ? { reasoning_effort: options.reasoningEffort } : {}),
   }
 }

packages/ai/src/protocols/utils/gemini-tool-schema.ts

@@ -61,37 +61,57 @@ const emptyObjectSchema = (schema: Record<string, unknown>) =>
   (!isRecord(schema.properties) || Object.keys(schema.properties).length === 0) &&
   !schema.additionalProperties
 
-const projectNode = (schema: unknown): Record<string, unknown> | undefined => {
+const projectNode = (schema: unknown, nested = false): Record<string, unknown> | undefined => {
   if (!isRecord(schema)) return undefined
-  if (emptyObjectSchema(schema)) return undefined
-  return Object.fromEntries(
+  if (!nested && emptyObjectSchema(schema)) return undefined
+  const types = Array.isArray(schema.type) ? schema.type.filter((type) => type !== "null") : undefined
+  const anyOf = Array.isArray(schema.anyOf) ? schema.anyOf : undefined
+  const hasNullAnyOf = anyOf?.some((item) => isRecord(item) && item.type === "null") ?? false
+  const anyOfTypes = hasNullAnyOf ? anyOf?.filter((item) => !isRecord(item) || item.type !== "null") : anyOf
+  const flattenedAnyOf = hasNullAnyOf && anyOfTypes?.length === 1 ? projectNode(anyOfTypes[0], true) : undefined
+  const result = Object.fromEntries(
     [
       ["description", schema.description],
       ["required", schema.required],
       ["format", schema.format],
-      ["type", Array.isArray(schema.type) ? schema.type.filter((type) => type !== "null")[0] : schema.type],
-      ["nullable", Array.isArray(schema.type) && schema.type.includes("null") ? true : undefined],
+      ["type", types ? (types.length === 0 ? "null" : undefined) : schema.type],
+      [
+        "nullable",
+        (Array.isArray(schema.type) && schema.type.includes("null") && types && types.length > 0) || hasNullAnyOf
+          ? true
+          : undefined,
+      ],
       ["enum", schema.const !== undefined ? [schema.const] : schema.enum],
       [
         "properties",
         isRecord(schema.properties)
-          ? Object.fromEntries(Object.entries(schema.properties).map(([key, value]) => [key, projectNode(value)]))
+          ? Object.fromEntries(Object.entries(schema.properties).map(([key, value]) => [key, projectNode(value, true)]))
           : undefined,
       ],
       [
         "items",
         Array.isArray(schema.items)
-          ? schema.items.map(projectNode)
+          ? schema.items.map((item) => projectNode(item, true))
           : schema.items === undefined
             ? undefined
-            : projectNode(schema.items),
+            : projectNode(schema.items, true),
       ],
-      ["allOf", Array.isArray(schema.allOf) ? schema.allOf.map(projectNode) : undefined],
-      ["anyOf", Array.isArray(schema.anyOf) ? schema.anyOf.map(projectNode) : undefined],
-      ["oneOf", Array.isArray(schema.oneOf) ? schema.oneOf.map(projectNode) : undefined],
+      ["allOf", Array.isArray(schema.allOf) ? schema.allOf.map((item) => projectNode(item, true)) : undefined],
+      [
+        "anyOf",
+        anyOfTypes
+          ? hasNullAnyOf && anyOfTypes.length === 1
+            ? undefined
+            : anyOfTypes.map((item) => projectNode(item, true))
+          : types && types.length > 0
+            ? types.map((type) => ({ type }))
+            : undefined,
+      ],
+      ["oneOf", Array.isArray(schema.oneOf) ? schema.oneOf.map((item) => projectNode(item, true)) : undefined],
       ["minLength", schema.minLength],
     ].filter((entry) => entry[1] !== undefined),
   )
+  return flattenedAnyOf ? { ...result, ...flattenedAnyOf } : result
 }
 
 export const convert = (schema: unknown) => projectNode(sanitizeNode(schema))

packages/ai/src/protocols/utils/open-responses-options.ts

@@ -33,7 +33,6 @@ export const ServiceTierSchema = Schema.Literals(ServiceTiers)
 export interface Resolved {
   readonly instructions?: string
   readonly store?: boolean
-  readonly promptCacheKey?: string
   readonly reasoningEffort?: string
   readonly reasoningSummary?: "auto" | "concise" | "detailed"
   readonly include?: ReadonlyArray<ResponseIncludable>
@@ -50,7 +49,6 @@ export const resolve = (request: LLMRequest): Resolved => {
   return {
     instructions: typeof input?.instructions === "string" ? input.instructions : undefined,
     store: typeof input?.store === "boolean" ? input.store : undefined,
-    promptCacheKey: typeof input?.promptCacheKey === "string" ? input.promptCacheKey : undefined,
     reasoningEffort: typeof input?.reasoningEffort === "string" ? input.reasoningEffort : undefined,
     reasoningSummary:
       reasoningSummary === "auto" || reasoningSummary === "concise" || reasoningSummary === "detailed"

packages/ai/src/providers/open-responses-options.ts

@@ -5,7 +5,6 @@ export interface OpenResponsesOptionsInput {
   readonly [key: string]: unknown
   readonly instructions?: string
   readonly store?: boolean
-  readonly promptCacheKey?: string
   readonly reasoningEffort?: ReasoningEffort
   readonly reasoningSummary?: "auto" | "concise" | "detailed"
   readonly include?: ReadonlyArray<ResponseIncludable>

packages/ai/src/providers/openai-options.ts

@@ -17,7 +17,6 @@ const openAIProviderOptions = (options: OpenAIOptionsInput | undefined): Provide
   const openai = Object.fromEntries(
     definedEntries({
       store: options?.store,
-      promptCacheKey: options?.promptCacheKey,
       reasoningEffort: options?.reasoningEffort,
       reasoningSummary: options?.reasoningSummary,
       include: options?.include,

packages/ai/src/providers/openrouter.ts

@@ -55,7 +55,6 @@ export interface OpenRouterOptions {
   readonly debug?: Readonly<{ echo_upstream_body?: boolean }>
   readonly models?: ReadonlyArray<string>
   readonly plugins?: ReadonlyArray<OpenRouterPlugin>
-  readonly promptCacheKey?: string
   readonly provider?: OpenRouterProviderRouting
   readonly reasoning?: Readonly<{
     enabled?: boolean
@@ -122,6 +121,7 @@ export const protocol = Protocol.make({
             ...body,
             messages,
             ...bodyOptions(request.providerOptions?.openrouter),
+            ...(request.promptCacheKey ? { prompt_cache_key: request.promptCacheKey } : {}),
           } as OpenRouterBody
         }),
       ),
@@ -161,7 +161,6 @@ const bodyOptions = (input: unknown) => {
     ...(isRecord(debug) ? { debug } : {}),
     ...(typeof user === "string" ? { user } : {}),
     ...(isRecord(reasoning) ? { reasoning } : {}),
-    ...(typeof promptCacheKey === "string" ? { prompt_cache_key: promptCacheKey } : {}),
   }
 }
 

packages/ai/src/providers/xai.ts

@@ -47,6 +47,8 @@ const chatRoute = Route.make({
   protocol: OpenAIChat.protocol,
   endpoint: Endpoint.path("/chat/completions", { baseURL: OpenAICompatibleProfiles.profiles.xai.baseURL }),
   transport: OpenAICompatibleChat.route.transport,
+  headers: ({ request }): Record<string, string> =>
+    request.promptCacheKey ? { "x-grok-conv-id": request.promptCacheKey } : {},
 })
 
 export const routes = [responsesRoute, chatRoute]

packages/ai/src/schema/messages.ts

@@ -272,6 +272,8 @@ export class LLMRequest extends Schema.Class<LLMRequest>("LLM.Request")({
   providerOptions: Schema.optional(ProviderOptions),
   http: Schema.optional(HttpOptions),
   cache: Schema.optional(CachePolicy),
+  // Stable cache affinity for protocols that support provider-managed prompt caching.
+  promptCacheKey: Schema.optional(Schema.String),
   metadata: Schema.optional(Schema.Record(Schema.String, Schema.Unknown)),
 }) {}
 
@@ -289,6 +291,7 @@ export namespace LLMRequest {
     providerOptions: request.providerOptions,
     http: request.http,
     cache: request.cache,
+    promptCacheKey: request.promptCacheKey,
     metadata: request.metadata,
   })
 

packages/ai/test/provider-options/cloudflare.types.ts

@@ -3,11 +3,11 @@ import { CloudflareWorkersAI } from "../../src/providers"
 
 const model = CloudflareWorkersAI.configure({ accountId: "account", apiKey: "test" }).model("model")
 
-LLM.request({ model, prompt: "Hello", providerOptions: { openai: { promptCacheKey: "cache" } } })
+LLM.request({ model, prompt: "Hello", promptCacheKey: "cache" })
 
 LLM.request({
   model,
   prompt: "Hello",
-  // @ts-expect-error Cloudflare's OpenAI-compatible prompt cache key must be a string.
-  providerOptions: { openai: { promptCacheKey: 1 } },
+  // @ts-expect-error Prompt cache keys must be strings.
+  promptCacheKey: 1,
 })

packages/ai/test/provider/gemini.test.ts

@@ -16,6 +16,13 @@ const model = Gemini.route
   })
   .model({ id: "gemini-2.5-flash" })
 
+const gemini3 = Gemini.route
+  .with({
+    endpoint: { baseURL: "https://generativelanguage.test/v1beta/" },
+    auth: Auth.header("x-goog-api-key", "test"),
+  })
+  .model({ id: "gemini-3-flash-preview" })
+
 const request = LLM.request({
   id: "req_1",
   model,
@@ -86,6 +93,39 @@ describe("Gemini route", () => {
     }),
   )
 
+  it.effect("forwards standard Gemini generation options", () =>
+    Effect.gen(function* () {
+      const prepared = yield* compileRequest(
+        LLM.request({
+          model,
+          prompt: "Say hello.",
+          generation: {
+            maxTokens: 40,
+            temperature: 0.2,
+            topP: 0.8,
+            topK: 12,
+            frequencyPenalty: 0.3,
+            presencePenalty: 0.4,
+            seed: 42,
+            stop: ["done"],
+          },
+        }),
+      )
+
+      expect(prepared.body.generationConfig).toEqual({
+        maxOutputTokens: 40,
+        temperature: 0.2,
+        topP: 0.8,
+        topK: 12,
+        frequencyPenalty: 0.3,
+        presencePenalty: 0.4,
+        seed: 42,
+        stopSequences: ["done"],
+        thinkingConfig: undefined,
+      })
+    }),
+  )
+
   it.effect("lowers chronological system updates to wrapped user text in order", () =>
     Effect.gen(function* () {
       const prepared = yield* compileRequest(
@@ -350,6 +390,100 @@ describe("Gemini route", () => {
     }),
   )
 
+  it.effect("preserves nested empty object tool schemas", () =>
+    Effect.gen(function* () {
+      const prepared = yield* compileRequest(
+        LLM.request({
+          model,
+          prompt: "Use the tool.",
+          tools: [
+            {
+              name: "configure",
+              description: "Configure the operation",
+              inputSchema: {
+                type: "object",
+                required: ["options"],
+                properties: {
+                  options: { type: "object", description: "Optional provider settings", properties: {} },
+                },
+              },
+            },
+          ],
+        }),
+      )
+
+      expect(prepared.body.tools).toEqual([
+        {
+          functionDeclarations: [
+            {
+              name: "configure",
+              description: "Configure the operation",
+              parameters: {
+                type: "object",
+                required: ["options"],
+                properties: {
+                  options: { type: "object", description: "Optional provider settings", properties: {} },
+                },
+              },
+            },
+          ],
+        },
+      ])
+    }),
+  )
+
+  it.effect("projects Gemini type arrays without narrowing their allowed values", () =>
+    Effect.gen(function* () {
+      const prepared = yield* compileRequest(
+        LLM.request({
+          model,
+          prompt: "Use the tool.",
+          tools: [
+            {
+              name: "filter",
+              description: "Filter values",
+              inputSchema: {
+                type: "object",
+                properties: {
+                  status: { type: ["number", "string"], description: "Status filter" },
+                  maybe: { type: ["string", "null"] },
+                  nothing: { type: ["null"] },
+                  explicit: { anyOf: [{ type: "string" }, { type: "null" }] },
+                  choice: { anyOf: [{ type: "string" }, { type: "number" }, { type: "null" }] },
+                },
+              },
+            },
+          ],
+        }),
+      )
+
+      expect(prepared.body.tools?.[0]?.functionDeclarations[0]?.parameters).toEqual({
+        type: "object",
+        properties: {
+          status: {
+            description: "Status filter",
+            anyOf: [{ type: "number" }, { type: "string" }],
+          },
+          maybe: {
+            nullable: true,
+            anyOf: [{ type: "string" }],
+          },
+          nothing: {
+            type: "null",
+          },
+          explicit: {
+            type: "string",
+            nullable: true,
+          },
+          choice: {
+            anyOf: [{ type: "string" }, { type: "number" }],
+            nullable: true,
+          },
+        },
+      })
+    }),
+  )
+
   it.effect("parses text, reasoning, and usage stream fixtures", () =>
     Effect.gen(function* () {
       const body = sseEvents(
@@ -536,6 +670,44 @@ describe("Gemini route", () => {
     }),
   )
 
+  it.effect("replays unsigned Gemini 3 tool calls with the validator bypass sentinel", () =>
+    Effect.gen(function* () {
+      const prepared = yield* compileRequest(
+        LLM.request({
+          model: gemini3,
+          messages: [
+            Message.assistant([ToolCallPart.make({ id: "tool_0", name: "lookup", input: { query: "weather" } })]),
+            Message.tool({ id: "tool_0", name: "lookup", result: "done", resultType: "text" }),
+          ],
+        }),
+      )
+
+      expect(prepared.body.contents).toEqual([
+        {
+          role: "model",
+          parts: [
+            {
+              functionCall: { id: undefined, name: "lookup", args: { query: "weather" } },
+              thoughtSignature: "skip_thought_signature_validator",
+            },
+          ],
+        },
+        {
+          role: "user",
+          parts: [
+            {
+              functionResponse: {
+                id: undefined,
+                name: "lookup",
+                response: { name: "lookup", content: "done" },
+              },
+            },
+          ],
+        },
+      ])
+    }),
+  )
+
   it.effect("emits streamed tool calls and maps finish reason", () =>
     Effect.gen(function* () {
       const body = sseEvents({

packages/ai/test/provider/openai-chat.test.ts

@@ -15,6 +15,8 @@ import {
 } from "../../src"
 import * as Azure from "../../src/providers/azure"
 import * as OpenAI from "../../src/providers/openai"
+import * as OpenAICompatible from "../../src/providers/openai-compatible"
+import * as XAI from "../../src/providers/xai"
 import * as OpenAIChat from "../../src/protocols/openai-chat"
 import { ProviderShared } from "../../src/protocols/shared"
 import { Auth, LLMClient } from "../../src/route"
@@ -154,6 +156,47 @@ describe("OpenAI Chat route", () => {
     }),
   )
 
+  it.effect("maps the request prompt cache key", () =>
+    Effect.gen(function* () {
+      const prepared = yield* compileRequest(
+        LLM.request({
+          model: OpenAICompatible.configure({
+            baseURL: "https://api.compatible.test/v1",
+            apiKey: "test",
+          }).model("compatible-model"),
+          prompt: "Hello",
+          promptCacheKey: "session_123",
+        }),
+      )
+
+      expect(prepared.body.prompt_cache_key).toBe("session_123")
+    }),
+  )
+
+  it.effect("maps the xAI Chat prompt cache key to conversation affinity", () =>
+    LLMClient.generate(
+      LLM.request({
+        model: XAI.configure({ apiKey: "test", baseURL: "https://api.x.ai/v1" }).chat("grok-4.5"),
+        prompt: "Hello",
+        promptCacheKey: "session_123",
+      }),
+    ).pipe(
+      Effect.provide(
+        dynamicResponse((input) =>
+          Effect.gen(function* () {
+            const web = yield* HttpClientRequest.toWeb(input.request).pipe(Effect.orDie)
+            expect(web.headers.get("x-grok-conv-id")).toBe("session_123")
+            const body = decodeJson(yield* Effect.promise(() => web.text()))
+            expect(ProviderShared.isRecord(body) ? body.prompt_cache_key : undefined).toBe("session_123")
+            return input.respond(sseEvents(deltaChunk({}, "stop")), {
+              headers: { "content-type": "text/event-stream" },
+            })
+          }),
+        ),
+      ),
+    ),
+  )
+
   it.effect("passes through custom OpenAI-compatible reasoning effort strings", () =>
     Effect.gen(function* () {
       const prepared = yield* compileRequest(

packages/ai/test/provider/openai-responses-cache.recorded.test.ts

@@ -20,7 +20,7 @@ const cacheRequest = LLM.request({
   system: LARGE_CACHEABLE_SYSTEM,
   prompt: "Say hi.",
   generation: { maxTokens: 16, temperature: 0 },
-  providerOptions: { openai: { promptCacheKey: "recorded-cache-test" } },
+  promptCacheKey: "recorded-cache-test",
 })
 
 const recorded = recordedTests({

packages/ai/test/provider/openai-responses.test.ts

@@ -682,9 +682,9 @@ describe("OpenAI Responses route", () => {
         LLM.request({
           model: OpenAI.configure({ baseURL: "https://api.openai.test/v1/", apiKey: "test" }).model("gpt-5.2"),
           prompt: "think",
+          promptCacheKey: "session_123",
           providerOptions: {
             openai: {
-              promptCacheKey: "session_123",
               reasoningEffort: "high",
               reasoningSummary: "auto",
               include: ["reasoning.encrypted_content"],
@@ -803,17 +803,16 @@ describe("OpenAI Responses route", () => {
     }),
   )
 
-  it.effect("request OpenAI provider options override route defaults", () =>
+  it.effect("maps the request prompt cache key", () =>
     Effect.gen(function* () {
       const prepared = yield* compileRequest(
         LLM.request({
           model: OpenAI.configure({
             baseURL: "https://api.openai.test/v1/",
             apiKey: "test",
-            providerOptions: { openai: { promptCacheKey: "model_cache" } },
           }).model("gpt-4.1-mini"),
           prompt: "no cache",
-          providerOptions: { openai: { promptCacheKey: "request_cache" } },
+          promptCacheKey: "request_cache",
         }),
       )
 

packages/ai/test/provider/openrouter.test.ts

@@ -162,7 +162,6 @@ describe("OpenRouter", () => {
               openrouter: {
                 usage: true,
                 reasoning: { effort: "high" },
-                promptCacheKey: "session_123",
                 models: ["anthropic/claude-sonnet-4.6", "google/gemini-3.1-pro"],
                 provider: { order: ["anthropic", "google"], require_parameters: true },
                 plugins: [{ id: "response-healing" }],
@@ -174,6 +173,7 @@ describe("OpenRouter", () => {
             },
           }).model("anthropic/claude-3.7-sonnet:thinking"),
           prompt: "Think briefly.",
+          promptCacheKey: "session_123",
         }),
       )
 

packages/app/tsconfig.json

@@ -22,5 +22,6 @@
     }
   },
   "include": ["src", "package.json"],
-  "exclude": ["dist", "ts-dist"]
+  "exclude": ["dist", "ts-dist"],
+  "references": [{ "path": "../core" }]
 }

packages/core/package.json

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

packages/core/script/migration.ts

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

packages/core/src/aisdk-native.ts

@@ -263,6 +263,7 @@ function mapOpenRouterOptions(settings: Readonly<Record<string, unknown>>) {
           "extraBody",
           "fetch",
           "headers",
+          "promptCacheKey",
           "timeout",
         ].includes(key),
     ),
@@ -279,7 +280,6 @@ function mapXAIOptions(settings: Readonly<Record<string, unknown>>) {
   const options = {
     ...(typeof settings.reasoningEffort === "string" ? { reasoningEffort: settings.reasoningEffort } : {}),
     ...(typeof settings.store === "boolean" ? { store: settings.store } : {}),
-    ...(typeof settings.promptCacheKey === "string" ? { promptCacheKey: settings.promptCacheKey } : {}),
   }
   if (Object.keys(options).length === 0) return {}
   return { providerOptions: { xai: options } }

packages/core/src/codemode/instructions.ts

@@ -126,7 +126,7 @@ ${render(current)}`
 const key = Instructions.Key.make("core/codemode")
 const codec = Schema.toCodecJson(CodeModeCatalog.Summary)
 
-export const make = (entries?: ReadonlyArray<CodeModeCatalog.Entry>): Instructions.Instructions => {
+export const make = (entries?: ReadonlyArray<CodeModeCatalog.Entry>): Instructions.List => {
   const catalog = entries === undefined ? Instructions.removed : CodeModeCatalog.summarize(entries)
   return Instructions.make({
     key,

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

packages/core/src/instruction-discovery.ts

@@ -18,7 +18,7 @@ const Files = Schema.Array(File)
 const key = Instructions.Key.make("core/instructions")
 
 export interface Interface {
-  readonly load: () => Effect.Effect<Instructions.Instructions>
+  readonly load: () => Effect.Effect<Instructions.List>
 }
 
 export const Options = Schema.Struct({

packages/core/src/instructions/builtins.ts

@@ -8,7 +8,7 @@ import { SessionSchema } from "../session/schema"
 import { Instructions } from "./index"
 
 export interface Interface {
-  readonly load: (sessionID: SessionSchema.ID) => Effect.Effect<Instructions.Instructions>
+  readonly load: (sessionID: SessionSchema.ID) => Effect.Effect<Instructions.List>
 }
 
 export class Service extends Context.Service<Service, Interface>()("@opencode/InstructionBuiltIns") {}

packages/core/src/instructions/index.ts

@@ -53,7 +53,7 @@ export declare namespace Source {
 }
 
 /** Ordered sources; identical values render identical bytes. */
-export type Instructions = ReadonlyArray<Source>
+export type List = ReadonlyArray<Source>
 
 export type ReadResult = ReadonlyArray<{
   readonly key: Key
@@ -82,10 +82,10 @@ export class DuplicateKeyError extends Schema.TaggedErrorClass<DuplicateKeyError
   }
 }
 
-export const empty: Instructions = []
+export const empty: List = []
 
 /** Closes a typed definition into one `Source`, so differently typed sources compose. */
-export function make<A>(source: Source.Definition<A>): Instructions {
+export function make<A>(source: Source.Definition<A>): List {
   const decode = Schema.decodeUnknownOption(source.codec)
   const encode = Schema.encodeSync(source.codec)
   const initial = (value: A) => requireText(source.key, "initial", source.render.initial(value))
@@ -121,7 +121,7 @@ export function make<A>(source: Source.Definition<A>): Instructions {
   ]
 }
 
-export function combine(values: ReadonlyArray<Instructions>): Instructions {
+export function combine(values: ReadonlyArray<List>): List {
   const sources = values.flat()
   const keys = new Set<Key>()
   for (const source of sources) {
@@ -131,7 +131,7 @@ export function combine(values: ReadonlyArray<Instructions>): Instructions {
   return sources
 }
 
-export function read(value: Instructions): Effect.Effect<ReadResult> {
+export function read(value: List): Effect.Effect<ReadResult> {
   return Effect.forEach(
     value,
     (source) => source.read.pipe(Effect.map((observed) => ({ key: source.key, value: observed }))),
@@ -158,7 +158,7 @@ export function diff(observed: ReadResult, previous?: Values): Effect.Effect<Adm
   return Effect.succeed({ delta, blobs })
 }
 
-export function renderInitial(value: Instructions, values: Readonly<Record<string, Schema.Json>>) {
+export function renderInitial(value: List, values: Readonly<Record<string, Schema.Json>>) {
   return render(
     value.flatMap((source) => {
       if (!Object.hasOwn(values, source.key)) return []
@@ -169,7 +169,7 @@ export function renderInitial(value: Instructions, values: Readonly<Record<strin
 }
 
 export function renderUpdate(
-  value: Instructions,
+  value: List,
   previous: Readonly<Record<string, Schema.Json>>,
   delta: Readonly<Record<string, Option.Option<Schema.Json>>>,
 ) {

packages/core/src/mcp/instructions.ts

@@ -55,7 +55,7 @@ const update = (previous: ReadonlyArray<Summary>, current: ReadonlyArray<Summary
 }
 
 export interface Interface {
-  readonly load: (agent: Agent.Selection) => Effect.Effect<Instructions.Instructions>
+  readonly load: (agent: Agent.Selection) => Effect.Effect<Instructions.List>
 }
 
 export class Service extends Context.Service<Service, Interface>()("@opencode/McpInstructions") {}

packages/core/src/reference/instructions.ts

@@ -54,7 +54,7 @@ const update = (previous: ReadonlyArray<typeof Summary.Type>, current: ReadonlyA
 }
 
 export interface Interface {
-  readonly load: () => Effect.Effect<Instructions.Instructions>
+  readonly load: () => Effect.Effect<Instructions.List>
 }
 
 export class Service extends Context.Service<Service, Interface>()("@opencode/ReferenceInstructions") {}

packages/core/src/session/compaction.ts

@@ -11,6 +11,7 @@ import { llmClient } from "../effect/app-node-platform"
 import { SessionEvent } from "./event"
 import type { SessionMessage } from "./message"
 import { SessionModelHeaders } from "./model-headers"
+import { SessionPromptCacheKey } from "./prompt-cache-key"
 import { App } from "../app"
 import { SessionRunnerModel } from "./runner/model"
 import { SessionSchema } from "./schema"
@@ -258,6 +259,7 @@ const make = (dependencies: Dependencies) => {
       .stream(
         LLM.request({
           model: plan.model,
+          promptCacheKey: SessionPromptCacheKey.make(plan.session.id),
           http: { headers: SessionModelHeaders.make(plan.session, dependencies.app) },
           messages: [Message.user(plan.prompt)],
           tools: [],

packages/core/src/session/context.ts

@@ -25,7 +25,7 @@ import { SessionStore } from "./store"
 export interface Selection {
   readonly session: SessionSchema.Info
   readonly agent: Agent.Selection & { readonly info: Agent.Info }
-  readonly instructions: Instructions.Instructions
+  readonly instructions: Instructions.List
   readonly tools: Tool.Snapshot
 }
 

packages/core/src/session/generate-node.ts

@@ -11,6 +11,7 @@ import { SessionContext } from "./context"
 import { SessionGenerate } from "./generate"
 import { SessionHistory } from "./history"
 import { SessionModelHeaders } from "./model-headers"
+import { SessionPromptCacheKey } from "./prompt-cache-key"
 import { SessionRunnerModel } from "./runner/model"
 import PROMPT_DEFAULT from "./runner/prompt/base.txt"
 import { toLLMMessages } from "./runner/to-llm-message"
@@ -31,9 +32,6 @@ export const layer = Layer.effect(
         const model = yield* models.resolve(selection.session)
         const history = yield* SessionHistory.preview(database.db, selection.session.id, selection.instructions)
         const providerMetadataKey = model.model.route.providerMetadataKey ?? model.model.provider
-        const promptCacheKey = /^ses_[0-9a-f]{64}$/.test(selection.session.id)
-          ? selection.session.id.slice(4)
-          : selection.session.id
         const tools = selection.tools
         const toolDefinitions = tools.definitions
         const toolsByName = new Map(toolDefinitions.map((tool) => [tool.name, tool]))
@@ -71,7 +69,7 @@ export const layer = Layer.effect(
           LLM.request({
             model: model.model,
             http: { headers: SessionModelHeaders.make(selection.session, app) },
-            providerOptions: { [providerMetadataKey]: { promptCacheKey } },
+            promptCacheKey: SessionPromptCacheKey.make(selection.session.id),
             system: contextEvent.system,
             messages: contextEvent.messages,
             tools: hookedTools,

packages/core/src/session/history.ts

@@ -74,7 +74,7 @@ export const load = Effect.fn("SessionHistory.load")(function* (db: DatabaseServ
 export const entriesForRunner = Effect.fn("SessionHistory.entriesForRunner")(function* (
   db: DatabaseService,
   sessionID: SessionSchema.ID,
-  instructions: Instructions.Instructions,
+  instructions: Instructions.List,
 ) {
   return yield* db
     .transaction(() =>
@@ -92,7 +92,7 @@ export const entriesForRunner = Effect.fn("SessionHistory.entriesForRunner")(fun
 export const preview = Effect.fn("SessionHistory.preview")(function* (
   db: DatabaseService,
   sessionID: SessionSchema.ID,
-  instructions: Instructions.Instructions,
+  instructions: Instructions.List,
 ) {
   const observed = yield* Instructions.read(instructions)
   return yield* db

packages/core/src/session/instruction-entry.ts

@@ -25,7 +25,7 @@ export interface Interface {
   }) => Effect.Effect<void, InstructionEntry.ValueTooLargeError>
   readonly remove: (input: { readonly sessionID: SessionSchema.ID; readonly key: Key }) => Effect.Effect<void>
   /** Produces one Instructions source per stored entry, keyed `api/<key>`. */
-  readonly load: (sessionID: SessionSchema.ID) => Effect.Effect<Instructions.Instructions>
+  readonly load: (sessionID: SessionSchema.ID) => Effect.Effect<Instructions.List>
 }
 
 export class Service extends Context.Service<Service, Interface>()("@opencode/InstructionEntry") {}

packages/core/src/session/instruction-state.ts

@@ -20,7 +20,7 @@ export interface Observation extends Instructions.Admission {
 
 export const observe = Effect.fn("InstructionState.observe")(function* (
   db: DatabaseService,
-  instructions: Instructions.Instructions,
+  instructions: Instructions.List,
   sessionID: SessionSchema.ID,
 ): Effect.fn.Return<Observation, Instructions.InitializationBlocked> {
   const [observed, stored] = yield* Effect.all([Instructions.read(instructions), find(db, sessionID)], {
@@ -38,7 +38,7 @@ export const observe = Effect.fn("InstructionState.observe")(function* (
 export const commit = Effect.fn("InstructionState.commit")(function* (
   db: DatabaseService,
   bus: Bus.Interface,
-  instructions: Instructions.Instructions,
+  instructions: Instructions.List,
   observation: Observation,
 ) {
   if (!observation.initial && Object.keys(observation.delta).length === 0) return
@@ -62,7 +62,7 @@ export const commit = Effect.fn("InstructionState.commit")(function* (
 
 const renderUpdateText = Effect.fnUntraced(function* (
   db: DatabaseService,
-  instructions: Instructions.Instructions,
+  instructions: Instructions.List,
   observation: Observation,
 ) {
   const replaced = Object.entries(observation.previous).filter(([key]) => Object.hasOwn(observation.delta, key))
@@ -77,7 +77,7 @@ const renderUpdateText = Effect.fnUntraced(function* (
 export const prepare = Effect.fn("InstructionState.prepare")(function* (
   db: DatabaseService,
   bus: Bus.Interface,
-  instructions: Instructions.Instructions,
+  instructions: Instructions.List,
   sessionID: SessionSchema.ID,
 ) {
   yield* commit(db, bus, instructions, yield* observe(db, instructions, sessionID))
@@ -162,7 +162,7 @@ export const reset = Effect.fn("InstructionState.reset")(function* (db: Database
 export const initial = Effect.fn("InstructionState.initial")(function* (
   db: DatabaseService,
   sessionID: SessionSchema.ID,
-  instructions: Instructions.Instructions,
+  instructions: Instructions.List,
 ) {
   const state = yield* find(db, sessionID)
   if (!state) return yield* Effect.die(new Error(`Instruction state not found during assembly: ${sessionID}`))
@@ -181,7 +181,7 @@ export const current = Effect.fn("InstructionState.current")(function* (
 export const preview = Effect.fn("InstructionState.preview")(function* (
   db: DatabaseService,
   sessionID: SessionSchema.ID,
-  instructions: Instructions.Instructions,
+  instructions: Instructions.List,
   observed: Instructions.ReadResult,
 ) {
   const state = yield* find(db, sessionID)

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

@@ -15,6 +15,7 @@ import { QuestionTool } from "../tool/plugin/question"
 import { Tool } from "../tool"
 import { SessionContext } from "./context"
 import { SessionModelHeaders } from "./model-headers"
+import { SessionPromptCacheKey } from "./prompt-cache-key"
 import { PromptCacheDiagnostics } from "./prompt-cache-diagnostics"
 import { MAX_STEPS_PROMPT } from "./runner/max-steps"
 import PROMPT_DEFAULT from "./runner/prompt/base.txt"
@@ -181,7 +182,6 @@ export const layer = Layer.effect(
       // The final Step keeps definitions available to protocols with native "none",
       // preserving their prompt cache prefix. Calls are still rejected at execution.
       const tools = input.context.tools
-      const promptCacheKey = /^ses_[0-9a-f]{64}$/.test(session.id) ? session.id.slice(4) : session.id
       const system = [agent.info.system ? agent.info.system : PROMPT_DEFAULT, input.context.initial]
         .filter((part) => part.length > 0)
         .map(SystemPart.make)
@@ -220,7 +220,7 @@ export const layer = Layer.effect(
         http: {
           headers: SessionModelHeaders.make(session, app),
         },
-        providerOptions: { [providerMetadataKey]: { promptCacheKey } },
+        promptCacheKey: SessionPromptCacheKey.make(session.id),
         system: context.system,
         messages: boundImages(unsupportedParts(context.messages, resolved.capabilities)),
         tools: Array.from(hooked, ([name, tool]) => ({ ...tool, name })),

packages/core/src/session/prompt-cache-key.ts

@@ -0,0 +1,6 @@
+export * as SessionPromptCacheKey from "./prompt-cache-key"
+
+import { SessionSchema } from "./schema"
+
+export const make = (sessionID: SessionSchema.ID) =>
+  /^ses_[0-9a-f]{64}$/.test(sessionID) ? sessionID.slice(4) : sessionID

packages/core/src/skill/instructions.ts

@@ -57,7 +57,7 @@ const update = (previous: ReadonlyArray<Summary>, current: ReadonlyArray<Summary
 }
 
 export interface Interface {
-  readonly load: (agent: Agent.Selection) => Effect.Effect<Instructions.Instructions>
+  readonly load: (agent: Agent.Selection) => Effect.Effect<Instructions.List>
 }
 
 export class Service extends Context.Service<Service, Interface>()("@opencode/SkillInstructions") {}

packages/core/src/tool.ts

@@ -118,13 +118,12 @@ const layer = Layer.effect(
         yield* hooks.trigger("tool", "execute.after", afterEvent)
         return yield* afterEvent.error
       }
-      const content = yield* normalizeImages(execution.value.content)
       const afterEvent: PluginHooks.Domains["tool"]["execute.after"] = {
         ...base,
         status: "completed",
         result: {
           ...(execution.value.output === undefined ? {} : { output: execution.value.output }),
-          content: content.length > 0 ? content : execution.value.content,
+          content: execution.value.content,
           ...(execution.value.metadata === undefined ? {} : { metadata: execution.value.metadata }),
         },
       }

packages/core/src/util/error.ts

@@ -22,7 +22,7 @@ export abstract class NamedError extends Error {
     return NamedError.createSchemaClass(name, Schema.isSchema(data) ? data : Schema.Struct(data))
   }
 
-  private static createSchemaClass<Name extends string, DataSchema extends Schema.Top>(name: Name, data: DataSchema) {
+  public static createSchemaClass<Name extends string, DataSchema extends Schema.Top>(name: Name, data: DataSchema) {
     const schema = Schema.Struct({
       name: Schema.Literal(name),
       data,

packages/core/test/aisdk-native.test.ts

@@ -179,7 +179,6 @@ describe("AISDKNative", () => {
         models: ["anthropic/claude-sonnet-4.6"],
         provider: { only: ["anthropic"], require_parameters: true },
         reasoning: { effort: "high" },
-        promptCacheKey: "session_123",
         future_option: { enabled: true },
       }),
     ).toEqual({
@@ -190,7 +189,6 @@ describe("AISDKNative", () => {
             models: ["anthropic/claude-sonnet-4.6"],
             provider: { only: ["anthropic"], require_parameters: true },
             reasoning: { effort: "high" },
-            promptCacheKey: "session_123",
             future_option: { enabled: true },
           },
         },
@@ -271,7 +269,6 @@ describe("AISDKNative", () => {
         baseURL: "https://xai.example/v1",
         reasoningEffort: "custom",
         store: true,
-        promptCacheKey: "cache-key",
       }),
     ).toEqual({
       package: "@opencode-ai/ai/providers/xai",
@@ -282,7 +279,6 @@ describe("AISDKNative", () => {
           xai: {
             reasoningEffort: "custom",
             store: true,
-            promptCacheKey: "cache-key",
           },
         },
       },

packages/core/test/instruction-state.test.ts

@@ -68,7 +68,7 @@ const instructionEvents = (db: Database.Interface["db"], sessionID: SessionSchem
     .all()
     .pipe(Effect.orDie)
 
-const preview = (db: Database.Interface["db"], sessionID: SessionSchema.ID, instructions: Instructions.Instructions) =>
+const preview = (db: Database.Interface["db"], sessionID: SessionSchema.ID, instructions: Instructions.List) =>
   Instructions.read(instructions).pipe(
     Effect.flatMap((observed) => InstructionState.preview(db, sessionID, instructions, observed)),
   )

packages/core/test/lib/instructions.ts

@@ -10,7 +10,7 @@ export const state = (values: Readonly<Record<string, Schema.Json>>): State => (
 const hashes = (values: Readonly<Record<string, Schema.Json>>): Instructions.Values =>
   Object.fromEntries(Object.entries(values).map(([key, value]) => [key, Instructions.hash(value)]))
 
-export const readInitial = (instructions: Instructions.Instructions) =>
+export const readInitial = (instructions: Instructions.List) =>
   Effect.gen(function* () {
     const admission = yield* Instructions.read(instructions).pipe(Effect.flatMap(Instructions.diff))
     const current = state(
@@ -23,7 +23,7 @@ export const readInitial = (instructions: Instructions.Instructions) =>
     return { ...current, text: Instructions.renderInitial(instructions, current.values) }
   })
 
-export const readUpdate = (instructions: Instructions.Instructions, previous: State) =>
+export const readUpdate = (instructions: Instructions.List, previous: State) =>
   Effect.gen(function* () {
     const admission = yield* Instructions.read(instructions).pipe(
       Effect.flatMap((observed) => Instructions.diff(observed, hashes(previous.values))),

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

@@ -236,6 +236,7 @@ it.effect("manual compaction summarizes short context instead of no-op", () =>
     expect(Array.from(yield* Fiber.join(delta)).map((event) => event.data.text)).toEqual(["manual summary"])
 
     expect(requests).toHaveLength(1)
+    expect(requests[0]?.promptCacheKey).toBe(sessionID)
     expect(requests[0]?.http?.headers).toEqual({
       "x-session-affinity": sessionID,
       "X-Session-Id": sessionID,

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

@@ -296,7 +296,7 @@ it.effect("generates from fresh settled Session context without durable mutation
     expect(requests[0]?.system[0]?.text).toBe("Hooked system")
     expect(requests[0]?.system.map((part) => part.text)).toContain("Initial context")
     expect(requests[0]?.http?.headers).toMatchObject({ "X-Session-Id": sessionID })
-    expect(requests[0]?.providerOptions).toMatchObject({ openai: { promptCacheKey: sessionID } })
+    expect(requests[0]?.promptCacheKey).toBe(sessionID)
     const instructionUpdates = requests[0]?.messages.flatMap((message) =>
       message.role === "system"
         ? message.content.flatMap((content) => (content.type === "text" ? [content.text] : []))

packages/core/test/session-runner-tool-registry.test.ts

@@ -3,10 +3,12 @@ import { Agent } from "@opencode-ai/core/agent"
 import type { Permission } from "@opencode-ai/core/permission"
 import { AppNodeBuilder } from "@opencode-ai/core/effect/app-node-builder"
 import { Image } from "@opencode-ai/core/image"
+import { PluginHooks } from "@opencode-ai/core/plugin/hooks"
 import { Session } from "@opencode-ai/core/session"
 import { SessionMessage } from "@opencode-ai/core/session/message"
 import { Tool } from "@opencode-ai/core/tool"
 import type { Info } from "@opencode-ai/schema/tool"
+import { LayerNode } from "@opencode-ai/util/effect/layer-node"
 import { executeTool, toolDefinitions } from "./lib/tool"
 import { Cause, Deferred, Effect, Exit, Fiber, Layer, Option, Schema, SchemaGetter, SchemaIssue, Scope } from "effect"
 import { testEffect } from "./lib/effect"
@@ -26,10 +28,14 @@ const imageStore = Layer.mock(Image.Service, {
           maxBytes: 5,
         }),
       )
-    return Effect.succeed({ ...content, content: "bm9ybWFsaXplZA==", mime: "image/jpeg" })
+    return Effect.succeed({
+      ...content,
+      content: Buffer.from(`${Buffer.from(content.content, "base64").toString()} normalized`).toString("base64"),
+      mime: "image/jpeg",
+    })
   },
 })
-const registryLayer = AppNodeBuilder.build(Tool.node, [[Image.node, imageStore]])
+const registryLayer = AppNodeBuilder.build(LayerNode.group([Tool.node, PluginHooks.node]), [[Image.node, imageStore]])
 const it = testEffect(registryLayer)
 const identity = {
   agent: Agent.ID.make("build"),
@@ -344,7 +350,7 @@ describe("Tool", () => {
     }),
   )
 
-  it.effect("normalizes image tool output at execution and drops unresizable images", () =>
+  it.effect("normalizes image tool output once and drops unresizable images", () =>
     Effect.gen(function* () {
       const service = yield* Tool.Service
       yield* transform(service,
@@ -376,7 +382,12 @@ describe("Tool", () => {
 
       const execution = yield* executeTool(service, call("snapshot"))
       expect(execution.content).toEqual([
-        { type: "file", uri: "data:image/jpeg;base64,bm9ybWFsaXplZA==", mime: "image/jpeg", name: "frame.png" },
+        {
+          type: "file",
+          uri: "data:image/jpeg;base64,aW1hZ2Ugbm9ybWFsaXplZA==",
+          mime: "image/jpeg",
+          name: "frame.png",
+        },
         { type: "text", text: "snapshot" },
         { type: "text", text: "[1 image omitted: could not be decoded.]" },
         { type: "text", text: "[1 image omitted: could not be resized below the image size limit.]" },
@@ -384,6 +395,34 @@ describe("Tool", () => {
     }),
   )
 
+  it.effect("normalizes image content added by an after hook", () =>
+    Effect.gen(function* () {
+      const service = yield* Tool.Service
+      const hooks = yield* PluginHooks.Service
+      yield* transform(service, { hooked: constant("original") }, { codemode: false })
+      yield* hooks.register("tool", "execute.after", (event) =>
+        Effect.sync(() => {
+          if (event.status !== "completed") return
+          event.result = {
+            ...event.result,
+            content: [
+              { type: "file", uri: "data:image/png;base64,aW1hZ2U=", mime: "image/png", name: "hook.png" },
+            ],
+          }
+        }),
+      )
+
+      expect((yield* executeTool(service, call("hooked"))).content).toEqual([
+        {
+          type: "file",
+          uri: "data:image/jpeg;base64,aW1hZ2Ugbm9ybWFsaXplZA==",
+          mime: "image/jpeg",
+          name: "hook.png",
+        },
+      ])
+    }),
+  )
+
   it.effect("publishes progress metadata unchanged", () =>
     Effect.gen(function* () {
       const service = yield* Tool.Service

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

@@ -3254,7 +3254,7 @@ describe("SessionRunnerLLM", () => {
       yield* stream.started
 
       expect(requests).toHaveLength(2)
-      expect(requests.map((request) => request.providerOptions?.openai?.promptCacheKey)).toEqual([
+      expect(requests.map((request) => request.promptCacheKey)).toEqual([
         sessionID,
         otherSessionID,
       ])
@@ -3285,7 +3285,7 @@ describe("SessionRunnerLLM", () => {
       yield* session.resume(longSessionID)
       yield* session.resume(otherLongSessionID)
 
-      const keys = requests.map((request) => request.providerOptions?.openai?.promptCacheKey)
+      const keys = requests.map((request) => request.promptCacheKey)
       expect(keys).toEqual([longSessionID.slice(4), otherLongSessionID.slice(4)])
       expect(keys.every((key) => typeof key === "string" && key.length === 64)).toBe(true)
       expect(keys[0]).not.toBe(keys[1])

packages/core/tsconfig.json

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

packages/core/tsconfig.tests.json

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

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

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

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

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

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

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

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

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

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

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

packages/enterprise/package.json

@@ -5,7 +5,7 @@
   "type": "module",
   "license": "MIT",
   "scripts": {
-    "typecheck": "tsgo --noEmit",
+    "typecheck": "tsgo -b",
     "dev": "vite dev",
     "build": "vite build",
     "build:cloudflare": "OPENCODE_DEPLOYMENT_TARGET=cloudflare vite build",

packages/enterprise/tsconfig.json

@@ -16,5 +16,6 @@
     "paths": {
       "~/*": ["./src/*"]
     }
-  }
+  },
+  "references": [{ "path": "../core" }]
 }

packages/plugin/src/effect/tool.ts

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

packages/sdk-next/package.json

@@ -9,7 +9,7 @@
   },
   "scripts": {
     "test": "bun test --timeout 5000",
-    "typecheck": "tsgo --noEmit"
+    "typecheck": "tsgo -b"
   },
   "dependencies": {
     "@opencode-ai/client": "workspace:*",

packages/sdk-next/tsconfig.json

@@ -4,5 +4,6 @@
   "compilerOptions": {
     "lib": ["ESNext", "DOM", "DOM.Iterable"],
     "noUncheckedIndexedAccess": false
-  }
+  },
+  "references": [{ "path": "../core" }]
 }