refactor(core): move database schema ownership (#29068)

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>

packages/llm/src/protocols/openai-responses.ts

@@ -320,7 +320,9 @@ const lowerToolResultOutput = Effect.fn("OpenAIResponses.lowerToolResultOutput")
   // Text/json/error results are encoded as a plain string for backward
   // compatibility with existing cassettes and provider expectations.
   if (part.result.type !== "content") return ProviderShared.toolResultText(part)
-  return yield* Effect.forEach(part.result.value, lowerToolResultContentItem)
+  // Preserve the narrowed array element type when compiled through a consumer package.
+  const content: ReadonlyArray<ToolResultContentPart> = part.result.value
+  return yield* Effect.forEach(content, lowerToolResultContentItem)
 })
 
 const lowerMessages = Effect.fn("OpenAIResponses.lowerMessages")(function* (request: LLMRequest) {
@@ -427,6 +429,7 @@ const lowerOptions = Effect.fn("OpenAIResponses.lowerOptions")(function* (reques
 
 const fromRequest = Effect.fn("OpenAIResponses.fromRequest")(function* (request: LLMRequest) {
   const generation = request.generation
+  const options = yield* lowerOptions(request)
   return {
     model: request.model.id,
     input: yield* lowerMessages(request),
@@ -436,7 +439,7 @@ const fromRequest = Effect.fn("OpenAIResponses.fromRequest")(function* (request:
     max_output_tokens: generation?.maxTokens,
     temperature: generation?.temperature,
     top_p: generation?.topP,
-    ...(yield* lowerOptions(request)),
+    ...options,
   }
 })