优化: AI模块(provider重试兼容+aichat交互+工具卡片可读化+diff高亮)

src-tauri/src/commands/ai/audit.rs

@@ -69,59 +69,84 @@ async fn build_approval_reason(
     db: &Arc<Database>,
 ) -> String {
     let s = |key: &str| args.get(key).and_then(|v| v.as_str()).unwrap_or("");
-    let detail = match tool_name {
-        "delete_project" => {
-            let id = s("id");
-            if !id.is_empty() { format!("删除项目{}", resolve_project_label(db, id).await) } else { String::new() }
+    // 优先级：tool_display_hint(轻量标签) → display_hint_for_tool(模板填充) → 硬编码 fallback
+    let detail = if let Some(hint) = super::tool_registry::tool_display_hint(tool_name) {
+        // 轻量命中：直接用中文动作前缀 + 风险后缀（不含参数细节）
+        hint.to_string()
+    } else if let Some((template, keys)) = super::tool_registry::display_hint_for_tool(tool_name) {
+        // 按 keys 列表取参数值；含 "id"/"project_id" 的值走 resolve_project_label 解析
+        let mut values = Vec::with_capacity(keys.len());
+        for &key in keys {
+            let val = s(key);
+            if val.is_empty() { values.clear(); break; }
+            match key {
+                "id" | "project_id" => values.push(resolve_project_label(db, &val).await),
+                _ => values.push(val.to_string()),
+            }
         }
-        "restore_project" => {
-            let id = s("id");
-            if !id.is_empty() { format!("从回收站恢复项目{}", resolve_project_label(db, id).await) } else { String::new() }
+        // 任一关键参数为空则整条 fallback 为空串（与原行为一致）
+        if values.is_empty() {
+            String::new()
+        } else {
+            // 模板 {} 占位符按位置填充
+            let mut result = template.to_string();
+            for v in &values {
+                result = result.replacen("{}", v, 1);
+            }
+            result
         }
-        "purge_project" => {
-            let id = s("id");
-            if !id.is_empty() { format!("永久删除项目及关联数据，不可恢复{}", resolve_project_label(db, id).await) } else { String::new() }
+    } else {
+        // fallback：原有完整硬编码逻辑（保持行为不变）
+        match tool_name {
+            "delete_project" => {
+                let id = s("id");
+                if !id.is_empty() { format!("删除项目{}", resolve_project_label(db, id).await) } else { String::new() }
+            }
+            "restore_project" => {
+                let id = s("id");
+                if !id.is_empty() { format!("从回收站恢复项目{}", resolve_project_label(db, id).await) } else { String::new() }
+            }
+            "purge_project" => {
+                let id = s("id");
+                if !id.is_empty() { format!("永久删除项目及关联数据，不可恢复{}", resolve_project_label(db, id).await) } else { String::new() }
+            }
+            "update_project" => {
+                let id = s("id");
+                let field = s("field");
+                if !id.is_empty() {
+                    format!("修改项目{}字段「{}」", resolve_project_label(db, id).await, field)
+                } else if !field.is_empty() {
+                    format!("修改项目字段「{}」", field)
+                } else { String::new() }
+            }
+            "bind_directory" => {
+                let id = s("id");
+                let path = s("path");
+                if !path.is_empty() && !id.is_empty() {
+                    format!("绑定目录：{}（项目{}）", path, resolve_project_label(db, id).await)
+                } else if !path.is_empty() {
+                    format!("绑定目录：{}", path)
+                } else { String::new() }
+            }
+            "create_task" => {
+                let title = s("title");
+                let pid = s("project_id");
+                if !title.is_empty() && !pid.is_empty() {
+                    format!("创建任务：{}（项目{}）", title, resolve_project_label(db, pid).await)
+                } else if !title.is_empty() {
+                    format!("创建任务：{}", title)
+                } else { String::new() }
+            }
+            "create_project" => {
+                let name = s("name");
+                if !name.is_empty() { format!("创建项目：「{}」", name) } else { String::new() }
+            }
+            "create_idea" => {
+                let title = s("title");
+                if !title.is_empty() { format!("捕获灵感：{}", title) } else { String::new() }
+            }
+            _ => String::new(),
         }
-        "update_project" => {
-            let id = s("id");
-            let field = s("field");
-            if !id.is_empty() {
-                format!("修改项目{}字段「{}」", resolve_project_label(db, id).await, field)
-            } else if !field.is_empty() {
-                format!("修改项目字段「{}」", field)
-            } else { String::new() }
-        }
-        "bind_directory" => {
-            let id = s("id");
-            let path = s("path");
-            if !path.is_empty() && !id.is_empty() {
-                format!("绑定目录：{}（项目{}）", path, resolve_project_label(db, id).await)
-            } else if !path.is_empty() {
-                format!("绑定目录：{}", path)
-            } else { String::new() }
-        }
-        "create_task" => {
-            let title = s("title");
-            let pid = s("project_id");
-            if !title.is_empty() && !pid.is_empty() {
-                format!("创建任务：{}（项目{}）", title, resolve_project_label(db, pid).await)
-            } else if !title.is_empty() {
-                format!("创建任务：{}", title)
-            } else { String::new() }
-        }
-        "create_project" => {
-            let name = s("name");
-            if !name.is_empty() { format!("创建项目：「{}」", name) } else { String::new() }
-        }
-        "create_idea" => {
-            let title = s("title");
-            if !title.is_empty() { format!("捕获灵感：{}", title) } else { String::new() }
-        }
-        "run_workflow" => {
-            let name = s("name");
-            if !name.is_empty() { format!("运行工作流：{}", name) } else { String::new() }
-        }
-        _ => String::new(),
     };
     if detail.is_empty() {
         // fallback：无可读字段，保留风险等级提示模板

src-tauri/src/commands/ai/commands.rs

@@ -253,6 +253,42 @@ pub async fn ai_chat_clear(state: State<'_, AppState>) -> Result<(), String> {
     Ok(())
 }
 
+/// 强制发送消息（B-260616-02: L2 发送韧性）
+///
+/// 当后端 generating=true 残留（HMR/异常退出等）导致 sendMessage 被拦截时，
+/// 前端可调此命令强制复位 generating + 清审批，然后走 ai_chat_send 同款流程发消息。
+/// 等价于"先软停止 → 再发送"的原子操作，避免竞态窗口。
+#[tauri::command]
+pub async fn ai_chat_force_send(
+    app: AppHandle,
+    state: State<'_, AppState>,
+    message: String,
+    language: Option<String>,
+    skill: Option<String>,
+) -> Result<String, String> {
+    // 原子复位:清 generating + 清积压审批 + 置 stop_flag,与 ai_chat_stop 审批分支一致
+    let old_conv_id = {
+        let mut session = state.ai_session.lock().await;
+        let old = session.active_conversation_id.clone();
+        session.generating = false;
+        session.pending_approvals.clear();
+        session.stop_flag.store(true, Ordering::SeqCst);
+        old
+    };
+    // 通知前端旧生成已结束(若有残留 conv)
+    if let Some(ref cid) = old_conv_id {
+        let _ = app.emit("ai-chat-event", AiChatEvent::AiCompleted {
+            total_tokens: 0,
+            prompt_tokens: 0,
+            completion_tokens: 0,
+            conversation_id: Some(cid.clone()),
+        });
+    }
+    // 复位完成后走 ai_chat_send 同款流程（内部会重新设 generating=true 并 spawn loop）
+    // 直接内联而非递归调 ai_chat_send，避免 IPC 嵌套
+    ai_chat_send(app, state, message, language, skill).await
+}
+
 /// 停止当前 AI 生成
 ///
 /// 两种场景：

src-tauri/src/commands/ai/prompt.rs

@@ -61,7 +61,9 @@ fn system_prompt_parts(lang: &str) -> (&'static str, &'static str) {
              You can perform the following actions via tool calls:\n\
              - Create/query projects, tasks, and ideas\n\
              - Run workflows\n\
-             - Read file contents, list directories, create/write files\n\n\
+             - Read file contents, list directories, create/write files\n\
+             - Get file metadata (size, line count, binary detection)\n\
+             - Append content to files, search files by name pattern\n\n\
              ## Guidelines\n\
              - Briefly explain your intent before executing actions\n\
              - Ask for clarification if the user's intent is unclear\n\
@@ -76,7 +78,9 @@ fn system_prompt_parts(lang: &str) -> (&'static str, &'static str) {
              你可以通过工具调用执行以下操作：\n\
              - 创建/查询项目、任务、灵感\n\
              - 运行工作流\n\
-             - 读取文件内容、列出目录、创建/写入文件\n\n\
+             - 读取文件内容、列出目录、创建/写入文件\n\
+             - 获取文件元信息（大小、行数、二进制检测）\n\
+             - 追加写入文件、按名称模式搜索文件\n\n\
              ## 行为准则\n\
              - 执行操作前简要说明你的意图\n\
              - 如果不确定用户意图，先提问\n\