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/viking_commands.rs

@@ -150,6 +150,7 @@ fn get_data_dir_string() -> Option<String> {
 // === Tauri Commands ===
 
 /// Check if memory storage is available
+// @reserved: VikingStorage persistence
 // @connected
 #[tauri::command]
 pub async fn viking_status() -> Result<VikingStatus, String> {
@@ -178,6 +179,7 @@ pub async fn viking_status() -> Result<VikingStatus, String> {
 }
 
 /// Add a memory entry
+// @reserved: VikingStorage persistence
 // @connected
 #[tauri::command]
 pub async fn viking_add(uri: String, content: String) -> Result<VikingAddResult, String> {
@@ -201,6 +203,7 @@ pub async fn viking_add(uri: String, content: String) -> Result<VikingAddResult,
 }
 
 /// Add a memory with metadata
+// @reserved: VikingStorage persistence
 // @connected
 #[tauri::command]
 pub async fn viking_add_with_metadata(
@@ -232,6 +235,7 @@ pub async fn viking_add_with_metadata(
 }
 
 /// Find memories by semantic search
+// @reserved: VikingStorage persistence
 // @connected
 #[tauri::command]
 pub async fn viking_find(
@@ -278,6 +282,7 @@ pub async fn viking_find(
 }
 
 /// Grep memories by pattern (uses FTS5)
+// @reserved: VikingStorage persistence
 // @connected
 #[tauri::command]
 pub async fn viking_grep(
@@ -332,6 +337,7 @@ pub async fn viking_grep(
 }
 
 /// List memories at a path
+// @reserved: VikingStorage persistence
 // @connected
 #[tauri::command]
 pub async fn viking_ls(path: String) -> Result<Vec<VikingResource>, String> {
@@ -360,6 +366,7 @@ pub async fn viking_ls(path: String) -> Result<Vec<VikingResource>, String> {
 }
 
 /// Read memory content
+// @reserved: VikingStorage persistence
 // @connected
 #[tauri::command]
 pub async fn viking_read(uri: String, level: Option<String>) -> Result<String, String> {
@@ -404,6 +411,7 @@ pub async fn viking_read(uri: String, level: Option<String>) -> Result<String, S
 }
 
 /// Remove a memory
+// @reserved: VikingStorage persistence
 // @connected
 #[tauri::command]
 pub async fn viking_remove(uri: String) -> Result<(), String> {
@@ -418,6 +426,7 @@ pub async fn viking_remove(uri: String) -> Result<(), String> {
 }
 
 /// Get memory tree
+// @reserved: VikingStorage persistence
 // @connected
 #[tauri::command]
 pub async fn viking_tree(path: String, depth: Option<usize>) -> Result<serde_json::Value, String> {
@@ -469,6 +478,7 @@ pub async fn viking_tree(path: String, depth: Option<usize>) -> Result<serde_jso
 }
 
 /// Inject memories into prompt (for agent loop integration)
+// @reserved: VikingStorage persistence
 // @connected
 #[tauri::command]
 pub async fn viking_inject_prompt(
@@ -611,6 +621,7 @@ pub async fn viking_configure_summary_driver(
 }
 
 /// Store a memory and optionally generate L0/L1 summaries in the background
+// @reserved: VikingStorage persistence
 // @connected
 #[tauri::command]
 pub async fn viking_store_with_summaries(