Refactor snippets storage to SQLite and enhance AI code features

package.json

@@ -17,10 +17,13 @@
     "@codemirror/lang-html": "^6.4.9",
     "@codemirror/lang-java": "^6.0.2",
     "@codemirror/lang-javascript": "^6.2.4",
+    "@codemirror/lang-json": "^6.0.2",
+    "@codemirror/lang-markdown": "^6.5.0",
     "@codemirror/lang-php": "^6.0.2",
     "@codemirror/lang-python": "^6.2.1",
     "@codemirror/lang-rust": "^6.0.2",
     "@codemirror/lang-xml": "^6.1.0",
+    "@codemirror/lang-yaml": "^6.1.3",
     "@codemirror/language": "^6.11.2",
     "@codemirror/legacy-modes": "^6.5.1",
     "@codemirror/state": "^6.5.2",
@@ -32,6 +35,8 @@
     "@tauri-apps/plugin-shell": "^2.3.0",
     "@uiw/codemirror-themes-all": "^4.24.2",
     "@vueuse/core": "^13.6.0",
+    "@xterm/addon-fit": "^0.11.0",
+    "@xterm/xterm": "^6.0.0",
     "codemirror": "^6.0.2",
     "lodash-es": "^4.17.21",
     "lucide-vue-next": "^0.539.0",

src-tauri/Cargo.toml

@@ -35,6 +35,7 @@ futures-util = "0.3"
 rfd = "0.15"
 fix-path-env = { git = "https://github.com/tauri-apps/fix-path-env-rs" }
 async-trait = "0.1"
+portable-pty = "0.8"
 zip = "2.2.2"
 flate2 = "1.0"
 tar = "0.4"

src-tauri/src/kv.rs

@@ -0,0 +1,73 @@
+use crate::execution::get_codeforge_db_path;
+use rusqlite::{Connection, params};
+use std::collections::HashMap;
+use std::sync::Mutex as StdMutex;
+use tauri::State;
+
+/// 通用键值存储，存于同一个 codeforge.sqlite 库。
+/// 用于替代前端 localStorage，集中持久化所有应用配置/状态。
+pub struct KvStore {
+    conn: StdMutex<Connection>,
+}
+
+impl KvStore {
+    pub fn new() -> Result<Self, String> {
+        let db_path = get_codeforge_db_path()?;
+        let conn = Connection::open(&db_path).map_err(|e| format!("打开数据库失败: {}", e))?;
+        let _ = conn.pragma_update(None, "journal_mode", "WAL");
+        conn.execute(
+            "CREATE TABLE IF NOT EXISTS kv_store (
+                key TEXT PRIMARY KEY,
+                value TEXT NOT NULL
+            )",
+            [],
+        )
+        .map_err(|e| format!("初始化键值表失败: {}", e))?;
+
+        Ok(Self {
+            conn: StdMutex::new(conn),
+        })
+    }
+}
+
+/// 读取所有键值（启动时一次性载入到前端缓存）
+#[tauri::command]
+pub async fn kv_get_all(state: State<'_, KvStore>) -> Result<HashMap<String, String>, String> {
+    let conn = state.conn.lock().map_err(|_| "数据库锁错误".to_string())?;
+    let mut stmt = conn
+        .prepare("SELECT key, value FROM kv_store")
+        .map_err(|e| format!("查询键值失败: {}", e))?;
+    let rows = stmt
+        .query_map([], |row| {
+            Ok((row.get::<_, String>(0)?, row.get::<_, String>(1)?))
+        })
+        .map_err(|e| format!("读取键值失败: {}", e))?;
+    let mut map = HashMap::new();
+    for r in rows {
+        let (k, v) = r.map_err(|e| format!("读取键值失败: {}", e))?;
+        map.insert(k, v);
+    }
+    Ok(map)
+}
+
+/// 写入一个键值
+#[tauri::command]
+pub async fn kv_set(key: String, value: String, state: State<'_, KvStore>) -> Result<(), String> {
+    let conn = state.conn.lock().map_err(|_| "数据库锁错误".to_string())?;
+    conn.execute(
+        "INSERT INTO kv_store (key, value) VALUES (?1, ?2)
+         ON CONFLICT(key) DO UPDATE SET value=?2",
+        params![key, value],
+    )
+    .map_err(|e| format!("保存键值失败: {}", e))?;
+    Ok(())
+}
+
+/// 删除一个键
+#[tauri::command]
+pub async fn kv_delete(key: String, state: State<'_, KvStore>) -> Result<(), String> {
+    let conn = state.conn.lock().map_err(|_| "数据库锁错误".to_string())?;
+    conn.execute("DELETE FROM kv_store WHERE key = ?1", params![key])
+        .map_err(|e| format!("删除键值失败: {}", e))?;
+    Ok(())
+}