refactor(tools): migrate producers to shared metadata bridge

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

src/tools/delegate-task/resolve-call-id.test.ts

@@ -1,40 +0,0 @@
-import { describe, test, expect } from "bun:test"
-import { resolveCallID } from "./resolve-call-id"
-import type { ToolContextWithMetadata } from "./types"
-
-describe("resolveCallID", () => {
-  function makeCtx(overrides: Partial<ToolContextWithMetadata> = {}): ToolContextWithMetadata {
-    return {
-      sessionID: "ses_test",
-      messageID: "msg_test",
-      agent: "sisyphus",
-      abort: new AbortController().signal,
-      ...overrides,
-    }
-  }
-
-  test("#given callID is set #then returns callID", () => {
-    const ctx = makeCtx({ callID: "call_abc" })
-    expect(resolveCallID(ctx)).toBe("call_abc")
-  })
-
-  test("#given only callId is set #then returns callId", () => {
-    const ctx = makeCtx({ callId: "call_def" })
-    expect(resolveCallID(ctx)).toBe("call_def")
-  })
-
-  test("#given only call_id is set #then returns call_id", () => {
-    const ctx = makeCtx({ call_id: "call_ghi" })
-    expect(resolveCallID(ctx)).toBe("call_ghi")
-  })
-
-  test("#given callID and callId are both set #then prefers callID", () => {
-    const ctx = makeCtx({ callID: "preferred", callId: "fallback" })
-    expect(resolveCallID(ctx)).toBe("preferred")
-  })
-
-  test("#given no call ID variants are set #then returns undefined", () => {
-    const ctx = makeCtx()
-    expect(resolveCallID(ctx)).toBeUndefined()
-  })
-})