Add deep Assistent probes to the Debug API.

Expose /assistent subpaths for extension/DLL, overlay personas, roles, memory sqlite, live Assistent* API smoke, and optional chat_smoke so agents can diagnose missing tab, empty chat, and wrong models over HTTP.

Co-authored-by: Cursor <cursoragent@cursor.com>

tests/test_debug_api.py

@@ -131,12 +131,139 @@ def test_debug_server_routes(monkeypatch, tmp_path):
         code, data = get("/logs")
         assert data["error"] == debug_checks.SSH_UNAVAILABLE
 
+        code, data = get("/assistent")
+        assert "playbook" in data
+        assert "hints" in data
+        assert data.get("error") == debug_checks.SSH_UNAVAILABLE or data.get("extension", {}).get(
+            "error"
+        ) == debug_checks.SSH_UNAVAILABLE or not data.get("ok")
+
+        code, data = get("/assistent/api")
+        assert "ok" in data
+
+        code, data = get("/openapi.json")
+        assert "/assistent/extension" in data["paths"]
+        assert "/assistent/api" in data["paths"]
+
         with pytest.raises(Exception):
             urllib.request.urlopen(f"http://127.0.0.1:{port}/nope", timeout=2)
     finally:
         debug_api.stop_debug_server(srv)
 
 
+def test_assistent_compact_and_roles_local(monkeypatch, tmp_path):
+    from gpu_rent import debug_assistent
+
+    compact = debug_assistent._compact_api(
+        "AssistentListModels",
+        {
+            "models": ["a:8b", "b:32b"],
+            "memory_models": ["nomic-embed-text"],
+            "preferred": "b:32b",
+            "base_url": "http://127.0.0.1:11434",
+        },
+    )
+    assert compact["model_count"] == 2
+    assert compact["preferred"] == "b:32b"
+
+    _auth_env(monkeypatch, tmp_path)
+    cfg = load_config(require_auth=True)
+    monkeypatch.setattr(
+        debug_assistent.debug_checks,
+        "load_state",
+        lambda: __import__("gpu_rent.state", fromlist=["SessionState"]).SessionState(
+            phase="idle"
+        ),
+    )
+    monkeypatch.setattr(
+        debug_assistent,
+        "collect_assistent_fs",
+        lambda cfg, **k: {
+            "ok": True,
+            "extensions": [
+                {
+                    "name": "swarm-assistent",
+                    "path": "/mnt/swarm_data/Extensions/swarm-assistent",
+                    "dll": "/x/SwarmAssistentExtension.dll",
+                    "sqlite_dll": True,
+                    "tab_html": True,
+                    "bundle_js": True,
+                    "git_head": "abc",
+                }
+            ],
+            "overlay": {
+                "exists": True,
+                "persona_ids": ["leonid"],
+                "roles_present": True,
+                "roles": {
+                    "chat": ["qwen3-vl:8b"],
+                    "memory": ["nomic-embed-text"],
+                    "default_chat": "qwen3-vl:8b",
+                },
+                "embed_model": "nomic-embed-text",
+            },
+            "sqlite": {"exists": True, "size": 100, "counts": {"memories": 2}},
+            "wanted": {"count": 0, "sample": []},
+        },
+    )
+    monkeypatch.setattr(
+        debug_assistent.debug_checks,
+        "collect_ollama",
+        lambda cfg: {"ok": True, "models": ["qwen3-vl:8b", "nomic-embed-text"]},
+    )
+    monkeypatch.setattr(
+        debug_assistent,
+        "collect_assistent_api",
+        lambda cfg, chat_smoke=False: {
+            "ok": True,
+            "via": "local",
+            "calls": [
+                {"name": "AssistentListPersonas", "ok": True, "data": {"count": 3}},
+                {"name": "AssistentListModels", "ok": True, "data": {"model_count": 1}},
+            ],
+            "hints": [],
+        },
+    )
+    deep = debug_assistent.collect_assistent_deep(cfg)
+    assert deep["ok"] is True
+    assert deep["extension"]["ok"] is True
+    assert deep["roles"]["roles"]["default_chat"] == "qwen3-vl:8b"
+    assert "playbook" in deep
+
+    # wrong default_chat
+    monkeypatch.setattr(
+        debug_assistent,
+        "collect_assistent_fs",
+        lambda cfg, **k: {
+            "ok": True,
+            "extensions": [
+                {
+                    "name": "swarm-assistent",
+                    "dll": "/x.dll",
+                    "sqlite_dll": True,
+                    "tab_html": True,
+                    "bundle_js": True,
+                }
+            ],
+            "overlay": {
+                "exists": True,
+                "persona_ids": [],
+                "roles_present": True,
+                "roles": {
+                    "chat": ["missing:model"],
+                    "memory": [],
+                    "default_chat": "missing:model",
+                },
+            },
+            "sqlite": {"exists": False, "size": 0},
+            "wanted": {"count": 0, "sample": []},
+        },
+    )
+    roles = debug_assistent.collect_assistent_roles(cfg)
+    assert roles["ok"] is False
+    assert any("default_chat" in h for h in roles["hints"])
+
+
 def test_bind_fail_returns_none(monkeypatch, tmp_path):
     _auth_env(monkeypatch, tmp_path)
     cfg = load_config(require_auth=True)