feat(llm): route adapters by provider

packages/subagent/subagent-inprocess/src/index.ts

@@ -107,8 +107,10 @@ export async function startInProcessRun(
   const childId = AgentId(randomUUID())
   const seedLength = options.seed?.length ?? 0
   const parentHeader = parent.session.header
+  const parentProvider = parent.options.provider
   const parentModel = parent.options.model
   const agentOptions: AgentOptions = {
+    ...parentProvider !== undefined ? { provider: parentProvider } : {},
     ...parentModel !== undefined ? { model: parentModel } : {},
     ...request.agentOptions,
     subagentDepth: childDepth,

packages/subagent/subagent-inprocess/tests/structured.spec.ts

@@ -68,7 +68,7 @@ async function setup(script: Script, options: SetupOptions = {}) {
     start: (request: SubagentStartRequest) => startInProcessRun(request, {}),
   })
   ctx.llm.registerAdapter(['mock'], adapter)
-  const parent = ctx.agentLoop.create(AgentId('parent'), { model: 'mock' })
+  const parent = ctx.agentLoop.create(AgentId('parent'), { provider: 'mock', model: 'mock' })
   return { ctx, parent, adapter, disposeProvider }
 }
 

packages/subagent/subagent-inprocess/tests/subagent-inprocess.spec.ts

@@ -24,7 +24,7 @@ async function setup(script: Script) {
   await ctx.plugin(AgentLoop, { agents: [] })
   await ctx.plugin(SubagentService)
   ctx.llm.registerAdapter(['mock'], new MockAdapter(script))
-  const parent = ctx.agentLoop.create(AgentId('parent'), { model: 'mock' })
+  const parent = ctx.agentLoop.create(AgentId('parent'), { provider: 'mock', model: 'mock' })
   return { ctx, parent }
 }