From b75f7fc4ef84363b6185ea38f7a95373a29922cd Mon Sep 17 00:00:00 2001
From: William Valentin <william.valentin.info@gmail.com>
Date: Tue, 17 Feb 2026 09:55:11 -0800
Subject: [PATCH] test(routing): cover status backend output fast-path

---
 src/daemon/routing.test.ts | 72 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 72 insertions(+)

diff --git a/src/daemon/routing.test.ts b/src/daemon/routing.test.ts
index b3f4da8..7f190a4 100644
--- a/src/daemon/routing.test.ts
+++ b/src/daemon/routing.test.ts
@@ -423,6 +423,78 @@ describe('daemon command fast-path integration', () => {
     expect(session.setConfig).toHaveBeenCalledWith('queue.mode', 'followup');
   });
 
+  it('includes external backend in status fast-path output', async () => {
+    const processSpy = vi.spyOn(AgentOrchestrator.prototype, 'process');
+    const session = {
+      id: 'telegram:user-status-backend',
+      addMessage: vi.fn(),
+      getHistory: vi.fn(() => []),
+      clear: vi.fn(),
+      replaceHistory: vi.fn(),
+      getConfig: vi.fn(() => undefined),
+      setConfig: vi.fn(),
+      deleteConfig: vi.fn(),
+    };
+
+    const commandRegistry = new CommandRegistry();
+    registerBuiltinCommands(commandRegistry);
+
+    const router = createMessageRouter({
+      sessionManager: {
+        getSession: vi.fn(() => session),
+      } as unknown as MessageRouterDeps['sessionManager'],
+      modelRouter: {
+        getAvailableTiers: () => ['fast', 'default', 'complex', 'local'],
+        getAllLabels: () => ({ fast: 'fast', default: 'default', complex: 'complex', local: 'local' }),
+        getLabel: (tier: string) => tier,
+      } as unknown as MessageRouterDeps['modelRouter'],
+      systemPrompt: 'test prompt',
+      toolRegistry: {
+        clone() { return this; },
+        register: vi.fn(),
+      } as unknown as MessageRouterDeps['toolRegistry'],
+      toolExecutor: {} as unknown as MessageRouterDeps['toolExecutor'],
+      config: {
+        agents: {
+          primary_tier: 'default',
+          delegation: {
+            compaction: 'fast',
+            memory_extraction: 'fast',
+            classification: 'fast',
+            tool_summarisation: 'fast',
+            complex_reasoning: 'complex',
+          },
+          max_delegation_depth: 3,
+          max_iterations: 10,
+        },
+        compaction: { enabled: false },
+        models: { default: { provider: 'anthropic', model: 'claude' } },
+      } as unknown as MessageRouterDeps['config'],
+      commandRegistry,
+      externalBackends: {
+        codex: {
+          name: 'codex',
+          process: vi.fn(async () => 'unused'),
+        },
+      } as unknown as MessageRouterDeps['externalBackends'],
+      defaultExternalBackendName: 'codex',
+    });
+
+    const reply = vi.fn(async (_message: OutboundMessage) => {});
+    await router.handler({
+      id: 'm-status-backend',
+      channel: 'telegram',
+      senderId: 'user-status-backend',
+      text: '/status',
+      timestamp: Date.now(),
+      metadata: { isCommand: true, command: 'status' },
+    } as MessageRouterInput, reply);
+
+    expect(processSpy).not.toHaveBeenCalled();
+    const outbound = reply.mock.calls[0]?.[0] as OutboundMessage | undefined;
+    expect(outbound?.text).toContain('Backend: codex');
+  });
+
   it('uses intent match to override agent target', async () => {
     const session = {
       id: 'telegram:user-2',