Improve orphaned local heartbeat recovery

Persist child-process metadata for local adapter runs, keep detached runs alive when their pid still exists, queue a single automatic retry when the pid is confirmed dead, and clear detached warnings when the original run reports activity again.

Co-Authored-By: Paperclip <noreply@paperclip.ing>

packages/adapters/pi-local/src/server/execute.ts

@@ -102,7 +102,7 @@ function buildSessionPath(agentId: string, timestamp: string): string {
 }
 
 export async function execute(ctx: AdapterExecutionContext): Promise<AdapterExecutionResult> {
-  const { runId, agent, runtime, config, context, onLog, onMeta, authToken } = ctx;
+  const { runId, agent, runtime, config, context, onLog, onMeta, onSpawn, authToken } = ctx;
 
   const promptTemplate = asString(
     config.promptTemplate,
@@ -398,6 +398,7 @@ export async function execute(ctx: AdapterExecutionContext): Promise<AdapterExec
       env: runtimeEnv,
       timeoutSec,
       graceSec,
+      onSpawn,
       onLog: bufferedOnLog,
       stdin: buildRpcStdin(),
     });