补齐后台埋点导出和任务事件选择

后台埋点查询支持日期筛选和导出全部模式

新增后台真实 event key 列表接口

任务配置页改用真实 user 埋点 key 候选

更新后台埋点查询文档和定向测试

server-rs/crates/api-server/src/modules/admin.rs

@@ -7,11 +7,11 @@ use crate::{
     admin::{
         admin_dashboard, admin_debug_http, admin_get_creation_entry_config,
         admin_get_editor_generation_pricing, admin_list_database_table_rows,
-        admin_list_database_tables, admin_list_tracking_events, admin_list_work_visibility,
-        admin_login, admin_me, admin_overview, admin_update_work_visibility,
-        admin_upsert_creation_entry_config, admin_upsert_creation_entry_event_banners_config,
-        admin_upsert_editor_generation_pricing, admin_upsert_public_work_interaction_config,
-        require_admin_auth,
+        admin_list_database_tables, admin_list_tracking_event_keys, admin_list_tracking_events,
+        admin_list_work_visibility, admin_login, admin_me, admin_overview,
+        admin_update_work_visibility, admin_upsert_creation_entry_config,
+        admin_upsert_creation_entry_event_banners_config, admin_upsert_editor_generation_pricing,
+        admin_upsert_public_work_interaction_config, require_admin_auth,
     },
     runtime_profile::{
         admin_disable_profile_redeem_code, admin_disable_profile_task_config,
@@ -62,6 +62,13 @@ pub fn router(state: AppState) -> Router<AppState> {
                 require_admin_auth,
             )),
         )
+        .route(
+            "/admin/api/tracking/event-keys",
+            get(admin_list_tracking_event_keys).route_layer(middleware::from_fn_with_state(
+                state.clone(),
+                require_admin_auth,
+            )),
+        )
         .route(
             "/admin/api/database/tables",
             get(admin_list_database_tables).route_layer(middleware::from_fn_with_state(