refactor(core): move v1 schemas into core (#30473)

packages/opencode/src/tool/task.ts

@@ -1,7 +1,7 @@
 import * as Tool from "./tool"
 import DESCRIPTION from "./task.txt"
 import { ToolJsonSchema } from "./json-schema"
-import { SessionLegacy } from "@opencode-ai/core/session/legacy"
+import { SessionV1 } from "@opencode-ai/core/v1/session"
 import { BackgroundJob } from "@/background/job"
 import { Session } from "@/session/session"
 import { SessionID, MessageID } from "../session/schema"
@@ -18,7 +18,7 @@ import { Database } from "@opencode-ai/core/database/database"
 export interface TaskPromptOps {
   cancel(sessionID: SessionID): Effect.Effect<void>
   resolvePromptParts(template: string): Effect.Effect<SessionPrompt.PromptInput["parts"]>
-  prompt(input: SessionPrompt.PromptInput): Effect.Effect<SessionLegacy.WithParts>
+  prompt(input: SessionPrompt.PromptInput): Effect.Effect<SessionV1.WithParts>
 }
 
 const id = "task"