refactor(schema): extract shared public schemas (#33571)

packages/llm/src/schema/ids.ts

@@ -1,4 +1,7 @@
 import { Schema } from "effect"
+import { ProviderMetadata } from "@opencode-ai/schema/llm"
+
+export { ProviderMetadata }
 
 /** Stable string identifier for a protocol implementation. */
 export const ProtocolID = Schema.String
@@ -38,6 +41,3 @@ export type FinishReason = Schema.Schema.Type<typeof FinishReason>
 
 export const JsonSchema = Schema.Record(Schema.String, Schema.Unknown)
 export type JsonSchema = Schema.Schema.Type<typeof JsonSchema>
-
-export const ProviderMetadata = Schema.Record(Schema.String, Schema.Record(Schema.String, Schema.Unknown))
-export type ProviderMetadata = Schema.Schema.Type<typeof ProviderMetadata>

packages/llm/src/schema/messages.ts

@@ -1,4 +1,5 @@
 import { Schema } from "effect"
+import { ToolContent, ToolFileContent, ToolTextContent } from "@opencode-ai/schema/llm"
 import { JsonSchema, MessageRole, ProviderMetadata } from "./ids"
 import { CacheHint, CachePolicy, GenerationOptions, HttpOptions, ModelSchema, ProviderOptions } from "./options"
 import { isRecord } from "../utils/record"
@@ -39,23 +40,7 @@ export const MediaPart = Schema.Struct({
 }).annotate({ identifier: "LLM.Content.Media" })
 export type MediaPart = Schema.Schema.Type<typeof MediaPart>
 
-export const ToolTextContent = Schema.Struct({
-  type: Schema.Literal("text"),
-  text: Schema.String,
-}).annotate({ identifier: "Tool.TextContent" })
-export type ToolTextContent = typeof ToolTextContent.Type
-
-export const ToolFileContent = Schema.Struct({
-  type: Schema.Literal("file"),
-  uri: Schema.String,
-  mime: Schema.String,
-  name: Schema.optional(Schema.String),
-}).annotate({ identifier: "Tool.FileContent" })
-export type ToolFileContent = typeof ToolFileContent.Type
-
-/** Ordered, provider-independent content shown to models and UIs after a tool succeeds. */
-export const ToolContent = Schema.Union([ToolTextContent, ToolFileContent]).pipe(Schema.toTaggedUnion("type"))
-export type ToolContent = Schema.Schema.Type<typeof ToolContent>
+export { ToolContent, ToolFileContent, ToolTextContent }
 
 const isToolResultValue = (value: unknown): value is ToolResultValue =>
   isRecord(value) &&