feat: add prompt startup actions and shared vision config

backend/db/models.py

@@ -153,6 +153,7 @@ class Assistant(Base):
     greeting: Mapped[str] = mapped_column(String(2048), default="")
     enable_interrupt: Mapped[bool] = mapped_column(Boolean, default=True)
     turn_config: Mapped[dict] = mapped_column(JSON, default=dict)
+    startup: Mapped[dict] = mapped_column(JSON, default=dict)
     vision_enabled: Mapped[bool] = mapped_column(Boolean, default=False)
     vision_model_resource_id: Mapped[str | None] = mapped_column(
         String(40),

backend/db/session.py

@@ -49,35 +49,89 @@ async def sync_interface_definitions() -> None:
 
 async def sync_default_tools() -> None:
     """Ensure system-provided reusable tools exist without overwriting edits."""
-    async with engine.begin() as conn:
-        await conn.execute(
-            text(
-                "INSERT INTO tools "
-                "(id, name, function_name, type, description, definition, secrets, status) "
-                "VALUES ("
-                ":id, :name, :function_name, :type, :description, "
-                "CAST(:definition AS jsonb), CAST(:secrets AS jsonb), :status"
-                ") "
-                "ON CONFLICT (function_name) DO NOTHING"
-            ),
-            {
-                "id": "tool_end_call_default",
-                "name": "结束对话",
-                "function_name": "end_call",
+    default_tools = [
+        {
+            "id": "tool_end_call_default",
+            "name": "结束对话",
+            "function_name": "end_call",
+            "type": "end_call",
+            "description": "当用户明确要求结束对话，或任务已完成时调用。",
+            "definition": {
+                "schema_version": 1,
                 "type": "end_call",
-                "description": "当用户明确要求结束对话，或任务已完成时调用。",
-                "definition": json.dumps(
-                    {
-                        "schema_version": 1,
-                        "type": "end_call",
-                        "config": {
-                            "message_type": "none",
-                            "custom_message": "",
-                            "capture_reason": True,
-                        },
-                    }
-                ),
-                "secrets": "{}",
-                "status": "active",
+                "config": {
+                    "message_type": "none",
+                    "custom_message": "",
+                    "capture_reason": True,
+                },
             },
-        )
+        },
+        {
+            "id": "tool_show_message_default",
+            "name": "显示确认消息",
+            "function_name": "show_message",
+            "type": "client",
+            "description": "向用户显示必须主动确认的重要消息弹窗。",
+            "definition": {
+                "schema_version": 1,
+                "type": "client",
+                "config": {
+                    "allow_interruptions": False,
+                    "execution_mode": "immediate",
+                    "wait_for_response": True,
+                    "response_wait_mode": "session",
+                    "timeout_seconds": 3,
+                    "parameters": [
+                        {
+                            "name": "title",
+                            "type": "string",
+                            "location": "body",
+                            "description": "弹窗标题",
+                            "required": False,
+                        },
+                        {
+                            "name": "message",
+                            "type": "string",
+                            "location": "body",
+                            "description": "需要用户确认的重要信息",
+                            "required": True,
+                        },
+                        {
+                            "name": "actions",
+                            "type": "array",
+                            "location": "body",
+                            "description": "可选操作按钮",
+                            "required": False,
+                        },
+                        {
+                            "name": "dismissible",
+                            "type": "boolean",
+                            "location": "body",
+                            "description": "是否允许不选择按钮直接关闭",
+                            "required": False,
+                        },
+                    ],
+                    "dynamic_variable_assignments": {},
+                },
+            },
+        },
+    ]
+    async with engine.begin() as conn:
+        for tool in default_tools:
+            await conn.execute(
+                text(
+                    "INSERT INTO tools "
+                    "(id, name, function_name, type, description, definition, secrets, status) "
+                    "VALUES ("
+                    ":id, :name, :function_name, :type, :description, "
+                    "CAST(:definition AS jsonb), CAST(:secrets AS jsonb), :status"
+                    ") "
+                    "ON CONFLICT (function_name) DO NOTHING"
+                ),
+                {
+                    **tool,
+                    "definition": json.dumps(tool["definition"]),
+                    "secrets": "{}",
+                    "status": "active",
+                },
+            )