test: cover no-params and server-scoped RPC timeout branches

Add tests for PlanApi.read (session, no params) and ModelsApi.list
(server, no params) to exercise all four codegen branches.

Author: Rasaboun

python/test_rpc_timeout.py

@@ -7,12 +7,23 @@
     FleetApi,
     Mode,
     ModeApi,
+    ModelsApi,
+    PlanApi,
     SessionFleetStartParams,
     SessionModeSetParams,
 )
 
 
 class TestRpcTimeout:
+    """Tests for timeout forwarding across all four codegen branches:
+    - session-scoped with params
+    - session-scoped without params
+    - server-scoped with params  (not tested — no server+params method exists yet)
+    - server-scoped without params
+    """
+
+    # ── session-scoped, with params ──────────────────────────────────
+
     @pytest.mark.asyncio
     async def test_default_timeout_not_forwarded(self):
         client = AsyncMock()
@@ -37,7 +48,7 @@ async def test_custom_timeout_forwarded(self):
         assert kwargs["timeout"] == 600.0
 
     @pytest.mark.asyncio
-    async def test_timeout_on_other_methods(self):
+    async def test_timeout_on_session_params_method(self):
         client = AsyncMock()
         client.request = AsyncMock(return_value={"mode": "plan"})
         api = ModeApi(client, "sess-1")
@@ -46,3 +57,51 @@ async def test_timeout_on_other_methods(self):
 
         _, kwargs = client.request.call_args
         assert kwargs["timeout"] == 120.0
+
+    # ── session-scoped, no params ────────────────────────────────────
+
+    @pytest.mark.asyncio
+    async def test_timeout_on_session_no_params_method(self):
+        client = AsyncMock()
+        client.request = AsyncMock(return_value={"exists": True})
+        api = PlanApi(client, "sess-1")
+
+        await api.read(timeout=90.0)
+
+        _, kwargs = client.request.call_args
+        assert kwargs["timeout"] == 90.0
+
+    @pytest.mark.asyncio
+    async def test_default_timeout_on_session_no_params_method(self):
+        client = AsyncMock()
+        client.request = AsyncMock(return_value={"exists": True})
+        api = PlanApi(client, "sess-1")
+
+        await api.read()
+
+        _, kwargs = client.request.call_args
+        assert "timeout" not in kwargs
+
+    # ── server-scoped, no params ─────────────────────────────────────
+
+    @pytest.mark.asyncio
+    async def test_timeout_on_server_no_params_method(self):
+        client = AsyncMock()
+        client.request = AsyncMock(return_value={"models": []})
+        api = ModelsApi(client)
+
+        await api.list(timeout=45.0)
+
+        _, kwargs = client.request.call_args
+        assert kwargs["timeout"] == 45.0
+
+    @pytest.mark.asyncio
+    async def test_default_timeout_on_server_no_params_method(self):
+        client = AsyncMock()
+        client.request = AsyncMock(return_value={"models": []})
+        api = ModelsApi(client)
+
+        await api.list()
+
+        _, kwargs = client.request.call_args
+        assert "timeout" not in kwargs