refactor: unify agent and session identity

packages/support/subagent-mock/src/index.ts

@@ -13,8 +13,8 @@
 
 import type { Context } from 'cordis'
 import z from 'schemastery'
-import { AgentId } from '@deepseek-ai/dsh-agent'
 import type { ContentBlock } from '@deepseek-ai/dsh-llm'
+import { SessionId } from '@deepseek-ai/dsh-session'
 import type {
   SubagentCapabilities,
   SubagentProvider,
@@ -65,7 +65,7 @@ class MockSubagentProvider implements SubagentProvider {
 
     // A deterministic child id derived from the parent — no clock/random (both
     // banned in deterministic paths here, and unnecessary for a scripted run).
-    const id = AgentId(`mock-subagent:${this.name}:${request.parent.id}`)
+    const id = SessionId(`mock-subagent:${this.name}:${request.parent.id}`)
 
     const resultFor = (): SubagentResult => ({
       output,

packages/support/subagent-mock/tests/subagent-mock.spec.ts

@@ -1,13 +1,15 @@
 import { describe, expect, it } from 'vitest'
 import { Context } from 'cordis'
 import Loader from '@cordisjs/plugin-loader'
-import { AgentId, type Agent } from '@deepseek-ai/dsh-agent'
+import { type Agent } from '@deepseek-ai/dsh-agent'
+
 import SubagentService, { type SubagentStartRequest } from '@deepseek-ai/dsh-subagent'
 import * as mock from '../src/index.ts'
+import { SessionId } from '@deepseek-ai/dsh-session'
 
 /** A minimal parent — the mock provider only reads `parent.id`. */
 function fakeParent(id = 'parent-1'): Agent {
-  return { id: AgentId(id) } as unknown as Agent
+  return { id: SessionId(id) } as unknown as Agent
 }
 
 function baseRequest(over: Partial<SubagentStartRequest> = {}): SubagentStartRequest {