feat(subagents): add multi-turn subagent session runtime

src/tools/policy.ts

@@ -50,6 +50,11 @@ const PROFILE_TOOLS: Record<ToolProfile, Set<string>> = {
     'agent.delegate',
     'agents.list',
     'council.run',
+    'subagent.spawn',
+    'subagent.send',
+    'subagent.list',
+    'subagent.cancel',
+    'subagent.delete',
   ]),
   coding: new Set([
     'file.read',
@@ -107,6 +112,11 @@ const PROFILE_TOOLS: Record<ToolProfile, Set<string>> = {
     'agent.delegate',
     'agents.list',
     'council.run',
+    'subagent.spawn',
+    'subagent.send',
+    'subagent.list',
+    'subagent.cancel',
+    'subagent.delete',
   ]),
   full: new Set(), // Special: matches everything
 };
@@ -127,7 +137,16 @@ export const TOOL_GROUPS: Record<string, string[]> = {
   'group:cron': ['cron.list', 'cron.trigger', 'cron.create', 'cron.delete'],
   'group:minio': ['minio.share', 'minio.ingest', 'minio.sync'],
   'group:k8s': ['k8s.pods', 'k8s.deployments', 'k8s.logs'],
-  'group:agents': ['agent.delegate', 'agents.list', 'council.run'],
+  'group:agents': [
+    'agent.delegate',
+    'agents.list',
+    'council.run',
+    'subagent.spawn',
+    'subagent.send',
+    'subagent.list',
+    'subagent.cancel',
+    'subagent.delete',
+  ],
 };
 
 /** Expand group references in a list of tool names/patterns. */