refactor: 移除前端 Mock API，新增共享组件，优化认证流程

- 删除 mock_api_client、mock_calendar_service、mock_history_service
- 新增 fixed_length_code_input、link_button、message_composer 共享组件
- 优化登录/注册/密码重置页面使用新组件
- 简化 injection.dart 移除 mock 分支
- 更新 env.dart 配置（BACKEND_URL 替换 API_URL）
- 后端 agentscope 工具和测试更新
- 重构 AGENTS.md 文档结构
- 新增 deploy/ 目录和 protocol 文档

backend/src/core/agentscope/tools/toolkit.py

@@ -7,9 +7,9 @@ from uuid import UUID
 from sqlalchemy.ext.asyncio import AsyncSession
 
 from core.agentscope.tools.custom.calendar import (
+    calendar_share,
     calendar_read,
     calendar_write,
-    user_resolve,
 )
 from core.agentscope.tools.hitl_middleware import register_tool_middlewares
 from core.agentscope.tools.tool_meta import TOOL_META
@@ -29,12 +29,10 @@ class ToolGroup:
 
 
 TOOL_GROUPS: dict[str, ToolGroup] = {
-    "intent": ToolGroup(
-        stage="intent", tool_names=frozenset({"calendar_read", "user_resolve"})
-    ),
+    "intent": ToolGroup(stage="intent", tool_names=frozenset({"calendar_read"})),
     "execution": ToolGroup(
         stage="execution",
-        tool_names=frozenset({"calendar_read", "calendar_write", "user_resolve"}),
+        tool_names=frozenset({"calendar_read", "calendar_write", "calendar_share"}),
     ),
     "report": ToolGroup(stage="report", tool_names=frozenset()),
 }
@@ -73,8 +71,8 @@ def _load_custom_tool_bindings(
             },
         ),
         CustomToolBinding(
-            name="user_resolve",
-            func=user_resolve,
+            name="calendar_share",
+            func=calendar_share,
             preset_kwargs={
                 "session": session,
                 "owner_id": owner_id,