chore: 干净 ERP 基座 — 删除 health/ai/wechat 业务代码

删除内容:
- 前端: health/(67文件), ai/(2文件), Copilot, MediaPicker, 相关API/Store/Hook
- 后端: wechat_handler, wechat_service, wechat_user entity, analytics handler, ai_workflow_seed
- 配置: WechatConfig, AppConfig.wechat, AuthState wechat 字段
- 启动: 微信凭据检查块, ensure_ai_workflows() 调用
- 迁移: 新增 m20260613_000170_drop_wechat_users.rs
- 脚本: api_test_health_alert.py, api_test_mp.py, mpsync.sh/ps1
- E2E: health-data page, flows/ 目录

保留: erp-core/auth/workflow/message/config/plugin + 基座前端 + 通用组件

integration-tests/lib.rs

@@ -0,0 +1,32 @@
+#![allow(unused)]
+#![allow(dead_code)]
+
+mod test_auth_module;
+mod test_config_module;
+mod test_message_module;
+mod test_plugin_module;
+mod test_report;
+mod test_workflow_module;
+mod test_common;
+
+use test_report::{TestReport, TestSuite, TestCase};
+
+pub use test_auth_module::run_auth_tests;
+pub use test_config_module::run_config_tests;
+pub use test_message_module::run_message_tests;
+pub use test_plugin_module::run_plugin_tests;
+pub use test_workflow_module::run_workflow_tests;
+
+pub fn run_all_tests() -> TestReport {
+    let mut report = TestReport::new("ERP Platform Full Integration Test Report".to_string());
+    let start = std::time::Instant::now();
+
+    report.add_suite(run_auth_tests());
+    report.add_suite(run_config_tests());
+    report.add_suite(run_message_tests());
+    report.add_suite(run_workflow_tests());
+    report.add_suite(run_plugin_tests());
+
+    report.elapsed_ms = start.elapsed().as_millis() as u64;
+    report
+}