Add chain-of-command API for agents

- agentService.getChainOfCommand() walks the reporting tree upward
- GET /agents/:id now returns chainOfCommand array with the full management hierarchy
- GET /agents/me endpoint returns the calling agent with its chain of command

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

server/src/routes/agents.ts

@@ -51,6 +51,20 @@ export function agentRoutes(db: Db) {
     res.json(tree);
   });
 
+  router.get("/agents/me", async (req, res) => {
+    if (req.actor.type !== "agent" || !req.actor.agentId) {
+      res.status(401).json({ error: "Agent authentication required" });
+      return;
+    }
+    const agent = await svc.getById(req.actor.agentId);
+    if (!agent) {
+      res.status(404).json({ error: "Agent not found" });
+      return;
+    }
+    const chainOfCommand = await svc.getChainOfCommand(agent.id);
+    res.json({ ...agent, chainOfCommand });
+  });
+
   router.get("/agents/:id", async (req, res) => {
     const id = req.params.id as string;
     const agent = await svc.getById(id);
@@ -59,7 +73,8 @@ export function agentRoutes(db: Db) {
       return;
     }
     assertCompanyAccess(req, agent.companyId);
-    res.json(agent);
+    const chainOfCommand = await svc.getChainOfCommand(agent.id);
+    res.json({ ...agent, chainOfCommand });
   });
 
   router.get("/agents/:id/runtime-state", async (req, res) => {

server/src/services/agents.ts

@@ -174,6 +174,21 @@ export function agentService(db: Db) {
       return build(null);
     },
 
+    getChainOfCommand: async (agentId: string) => {
+      const chain: { id: string; name: string; role: string; title: string | null }[] = [];
+      const visited = new Set<string>([agentId]);
+      const start = await getById(agentId);
+      let currentId = start?.reportsTo ?? null;
+      while (currentId && !visited.has(currentId) && chain.length < 50) {
+        visited.add(currentId);
+        const mgr = await getById(currentId);
+        if (!mgr) break;
+        chain.push({ id: mgr.id, name: mgr.name, role: mgr.role, title: mgr.title ?? null });
+        currentId = mgr.reportsTo ?? null;
+      }
+      return chain;
+    },
+
     runningForAgent: (agentId: string) =>
       db
         .select()