feat(testing): add fixed tool simulations

backend/tests/test_startup_actions.py

@@ -7,7 +7,11 @@ from fastapi import HTTPException
 from routes.assistants import _validate_startup_actions
 from models import RuntimeToolBinding
 from schemas import AssistantUpsert
-from services.config_resolver import _runtime_tool_ids
+from services.config_resolver import (
+    _implicit_startup_tool_names,
+    _runtime_tool_ids,
+    _tools_for,
+)
 
 
 def startup_body(
@@ -57,6 +61,25 @@ class FakeSession:
         return self.tool if self.tool is not None and tool_id == self.tool.id else None
 
 
+class FakeToolQueryResult:
+    def __init__(self, tools):
+        self.tools = tools
+
+    def scalars(self):
+        return self
+
+    def all(self):
+        return self.tools
+
+
+class FakeToolCatalogSession:
+    def __init__(self, tools):
+        self.tools = tools
+
+    async def execute(self, _statement):
+        return FakeToolQueryResult(self.tools)
+
+
 class StartupActionValidationTests(unittest.IsolatedAsyncioTestCase):
     def test_runtime_pool_includes_bound_and_startup_only_tools(self):
         self.assertEqual(
@@ -75,6 +98,51 @@ class StartupActionValidationTests(unittest.IsolatedAsyncioTestCase):
             ["conversation_tool", "shared_tool", "opening_tool"],
         )
 
+    def test_confirmation_opening_declares_implicit_show_message_tool(self):
+        self.assertEqual(
+            _implicit_startup_tool_names(
+                {
+                    "opening_mode": "confirmation",
+                    "opening_message": {
+                        "title": "重要提示",
+                        "message": "请确认已阅读。",
+                    },
+                }
+            ),
+            ["show_message"],
+        )
+        self.assertEqual(
+            _implicit_startup_tool_names(
+                {
+                    "openingMode": "playback",
+                    "openingMessage": {"message": "无需确认"},
+                }
+            ),
+            [],
+        )
+
+    async def test_implicit_show_message_enters_runtime_pool_without_binding(self):
+        tool = SimpleNamespace(
+            id="tool_show_message_default",
+            name="显示确认消息",
+            function_name="show_message",
+            type="client",
+            description="显示确认弹窗",
+            definition={"config": {}},
+            secrets={},
+            mcp_server_id=None,
+        )
+
+        runtime_tools = await _tools_for(
+            FakeToolCatalogSession([tool]),
+            SimpleNamespace(type="prompt"),
+            [],
+            ["show_message"],
+        )
+
+        self.assertEqual([item.id for item in runtime_tools], [tool.id])
+        self.assertEqual(runtime_tools[0].function_name, "show_message")
+
     def test_realtime_rejects_startup_actions(self):
         with self.assertRaisesRegex(ValueError, "Realtime"):
             AssistantUpsert(