fix: 3 项问题

1. 审批DB更新精确匹配 — code_hash 从 removed entry 提取
2. delete memo 提取 id — prompt 中数字 → id 参数
3. 清理未使用的 current_user_id 全局变量

src/main.rs

@@ -208,9 +208,6 @@ async fn cmd_listen(
         database.as_ref().map(|db| Arc::new(db.pool().clone()))
     ));
 
-    // 共享的当前用户 ID（用于审批消息）
-    let current_user_id = Arc::new(tokio::sync::Mutex::new(String::new()));
-
     let conversation = if enable_llm {
         let sys_prompt = std::env::var("WEIXIN_LLM_SYSTEM_PROMPT")
             .unwrap_or_else(|_| DEFAULT_SYSTEM_PROMPT.to_string());
@@ -326,14 +323,12 @@ async fn cmd_listen(
             })
         };
 
-        let executor_user_id = current_user_id.clone();
         let executor: ToolExecutor = Arc::new(move |name: &str, args_json: &str| {
             let reg = registry_opt.clone();
             let approval = approval.clone();
             let send = send_wechat.clone();
             let session = session.clone();
             let memory_store = memory_store.clone();
-            let current_user = executor_user_id.clone();
             let n = name.to_string();
             let args = args_json.to_string();
 
@@ -447,8 +442,6 @@ async fn cmd_listen(
 
     let shutdown = async { tokio::signal::ctrl_c().await.expect("Ctrl+C 失败") };
 
-    let listen_user_id = current_user_id.clone();
-
     tokio::select! {
         _ = shutdown => {
             info!("收到退出信号，注销监听器...");
@@ -456,7 +449,7 @@ async fn cmd_listen(
             file_state.save_runtime(&client.get_updates_buf().await);
             info!("已退出");
         }
-        _ = listen_loop(&client, enable_llm, echo, &account_id, database, file_state, conversation, &approval_manager, listen_user_id, memory_store) => {}
+        _ = listen_loop(&client, enable_llm, echo, &account_id, database, file_state, conversation, &approval_manager, memory_store) => {}
     }
 }
 
@@ -469,7 +462,6 @@ async fn listen_loop(
     file_state: &state::StateManager,
     conversation: Option<Arc<Conversation>>,
     approval_manager: &ApprovalManager,
-    current_user_id: Arc<tokio::sync::Mutex<String>>,
     memory_store: &Arc<MemoryStore>,
 ) {
     let last_user_id = Arc::new(tokio::sync::Mutex::new(String::new()));

src/tools/approval.rs

@@ -89,7 +89,7 @@ impl ApprovalManager {
     /// 处理用户回复（由消息循环调用）
     /// 匹配成功时返回 Some(技能名)，匹配失败返回 None
     pub async fn handle_reply(&self, user_id: &str, reply: &str) -> Option<String> {
-        let (result, name) = {
+        let (result, name, code_hash) = {
             let mut map = self.pending.lock().await;
             let entries = map.get_mut(user_id)?;
             if entries.is_empty() { return None; }
@@ -99,19 +99,22 @@ impl ApprovalManager {
 
             if reply_trimmed == "0" || reply_trimmed == "取消" {
                 let entry = entries.remove(0);
+                let hash = entry.code_hash.clone();
                 let _ = entry.sender.send(ApprovalDecision::Rejected);
-                (ApprovalDecision::Rejected, entry.skill_name.clone())
+                (ApprovalDecision::Rejected, entry.skill_name.clone(), hash)
             } else if let Some(idx) = entries.iter().position(|e| e.code_hash == reply_hash) {
                 let entry = entries.remove(idx);
+                let hash = entry.code_hash.clone();
                 let _ = entry.sender.send(ApprovalDecision::Approved);
-                (ApprovalDecision::Approved, entry.skill_name.clone())
+                (ApprovalDecision::Approved, entry.skill_name.clone(), hash)
             } else if let Some(entry) = entries.first_mut() {
                 entry.attempts_left -= 1;
                 if entry.attempts_left <= 0 {
                     let entry = entries.remove(0);
                     let n = entry.skill_name.clone();
+                    let hash = entry.code_hash.clone();
                     let _ = entry.sender.send(ApprovalDecision::Rejected);
-                    (ApprovalDecision::Rejected, n)
+                    (ApprovalDecision::Rejected, n, hash)
                 } else {
                     return None;
                 }
@@ -128,10 +131,10 @@ impl ApprovalManager {
             };
             // 按 user_id + 最近 pending 记录更新
             let _ = sqlx::query(
-                "UPDATE pending_approvals SET status = $1, consumed_at = NOW() WHERE id = (SELECT id FROM pending_approvals WHERE user_id = $2 AND status = 'pending' ORDER BY created_at DESC LIMIT 1)",
+                "UPDATE pending_approvals SET status = $1, consumed_at = NOW() WHERE code_hash = $2 AND status = 'pending'",
             )
             .bind(status)
-            .bind(user_id)
+            .bind(&code_hash)
             .execute(pool.as_ref())
             .await;
         }

src/tools/builtin.rs

@@ -61,7 +61,8 @@ async fn handle_memos(args_json: &str) -> SkillResult {
             "list"
         };
         let content = params.get("prompt").and_then(|v| v.as_str()).unwrap_or("");
-        params = serde_json::json!({"action": action, "content": content});
+        let memo_id: i32 = content.chars().filter(|c| c.is_ascii_digit()).collect::<String>().parse().unwrap_or(0);
+        params = serde_json::json!({"action": action, "content": content, "id": memo_id});
     }
     let action = params.get("action").and_then(|v| v.as_str()).unwrap_or("list");
     let path = ".data/memos.json";