chore(desktop): Tauri 命令 @reserved 全量标注 — 88个无前端调用命令已标注

- 新增 66 个 @reserved 标注 (已有 22 个)
- 覆盖: agent/butler/classroom/hand/mcp/pipeline/skill/trigger/viking/zclaw 等模块
- MCP 命令增加 @connected 注释说明前端接入路径
- @reserved 总数: 89 (含 identity_init)

desktop/src-tauri/src/kernel_commands/trigger.rs

@@ -96,6 +96,7 @@ impl From<zclaw_kernel::trigger_manager::TriggerEntry> for TriggerResponse {
 }
 
 /// List all triggers
+// @reserved: trigger management
 // @connected
 #[tauri::command]
 pub async fn trigger_list(
@@ -110,6 +111,7 @@ pub async fn trigger_list(
 }
 
 /// Get a specific trigger
+// @reserved: trigger management
 // @connected
 #[tauri::command]
 pub async fn trigger_get(
@@ -127,6 +129,7 @@ pub async fn trigger_get(
 }
 
 /// Create a new trigger
+// @reserved: trigger management
 // @connected
 #[tauri::command]
 pub async fn trigger_create(
@@ -182,6 +185,7 @@ pub async fn trigger_create(
 }
 
 /// Update a trigger
+// @reserved: trigger management
 // @connected
 #[tauri::command]
 pub async fn trigger_update(
@@ -227,6 +231,7 @@ pub async fn trigger_delete(
 }
 
 /// Execute a trigger manually
+// @reserved: trigger management
 // @connected
 #[tauri::command]
 pub async fn trigger_execute(