feat(core): add agent execution context

packages/core/agent-loop/src/agent.ts

@@ -327,7 +327,7 @@ export class ReactLoopAgent implements Agent {
   [startDriver](): void {
     if (this._status === 'disposed') return
     this.driverStarted = true
-    this.done = runLoop(this.loopCtx, this, {
+    this.done = this.loopCtx.agentExecution.run({ agent: this }, () => runLoop(this.loopCtx, this, {
       inbox: this.#inbox,
       setStatus: (status) => { this.setStatus(status) },
       setAbort: controller => void (this.currentAbort = controller),
@@ -338,7 +338,7 @@ export class ReactLoopAgent implements Agent {
       clearCancel: () => { this.cancelRequested = false },
       // Pre-step cancellation re-parks without emitting a status transition.
       settleIdle: () => { this.settleIdleWaiters() },
-    })
+    }))
   }
 
   /**

packages/core/agent-loop/src/index.ts

@@ -11,6 +11,7 @@ import z from 'schemastery'
 import { createScope } from '@deepseek-ai/dsh-scope'
 import type { Scope } from '@deepseek-ai/dsh-scope'
 import { agentEvents } from '@deepseek-ai/dsh-agent'
+import type {} from '@deepseek-ai/dsh-agent-execution'
 import type {
   AgentFactory,
   AgentHandle,
@@ -333,7 +334,7 @@ export interface Config {
 
 /** Concrete ReactLoopAgent factory and driver service. */
 export class AgentLoop extends Service implements AgentFactory {
-  static inject = ['agents', 'sessions', 'llm', 'tools', 'systemPrompt']
+  static inject = ['agents', 'agentExecution', 'sessions', 'llm', 'tools', 'systemPrompt']
 
   /** Runtime schema for declarative agents. */
   static Config = z.object({