refactor: apply repository naming contract

Apply the accepted pre-release package, service, type, directory, and role renames as one repository-wide change.

packages/subagent/tool-subagent/tests/scripted-provider.spec.ts

@@ -1,7 +1,7 @@
 import { describe, expect, it } from 'vitest'
 import { Context } from '@deepseek-ai/cordis'
 import { type Agent } from '@deepseek-ai/dsh-agent'
-import SubagentService, { type SubagentStartRequest } from '@deepseek-ai/dsh-subagent'
+import SubagentRuntime, { type SubagentStartRequest } from '@deepseek-ai/dsh-subagent'
 import { SessionId } from '@deepseek-ai/dsh-session'
 import * as scripted from './scripted-provider.ts'
 
@@ -21,7 +21,7 @@ function baseRequest(over: Partial<SubagentStartRequest> = {}): SubagentStartReq
 
 async function mount(config: Partial<scripted.Config> = {}): Promise<Context> {
   const ctx = new Context()
-  await ctx.plugin(SubagentService)
+  await ctx.plugin(SubagentRuntime)
   await scripted.mountScriptedProvider(ctx, { name: 'mock', ...config })
   return ctx
 }
@@ -89,7 +89,7 @@ describe('scripted subagent provider fixture', () => {
 
   it('unregisters with its owning fixture fiber', async () => {
     const ctx = new Context()
-    await ctx.plugin(SubagentService)
+    await ctx.plugin(SubagentRuntime)
     const fiber = await scripted.mountScriptedProvider(ctx, { name: 'mock' })
     expect(ctx.subagents.list()).toEqual(['mock'])
     await fiber.dispose()