feat: 添加跳板机功能

packages/backend/src/database/migrations.ts

@@ -283,7 +283,20 @@ const definedMigrations: Migration[] = [
                 updated_at INTEGER NOT NULL DEFAULT (strftime('%s', 'now'))
             );
         `
-    }
+    },
+    {
+        id: 9,
+        name: 'Add jump_chain and proxy_type columns to connections table',
+        sql: `
+            ALTER TABLE connections ADD COLUMN jump_chain TEXT NULL;
+            ALTER TABLE connections ADD COLUMN proxy_type TEXT NULL;
+        `,
+        check: async (db: Database): Promise<boolean> => {
+            const jumpChainColumnExists = await columnExists(db, 'connections', 'jump_chain');
+            const proxyTypeColumnExists = await columnExists(db, 'connections', 'proxy_type');
+            return !jumpChainColumnExists || !proxyTypeColumnExists;
+        }
+    },
 ];
 
 /**

packages/backend/src/database/schema.ts

@@ -18,15 +18,7 @@ CREATE TABLE IF NOT EXISTS audit_logs (
 );
 `;
 
-// Removed API Keys table definition
-// export const createApiKeysTableSQL = `
-// CREATE TABLE IF NOT EXISTS api_keys (
-//     id INTEGER PRIMARY KEY AUTOINCREMENT,
-//     name TEXT NOT NULL,
-//     hashed_key TEXT UNIQUE NOT NULL,
-//     created_at INTEGER NOT NULL
-// );
-// `;
+
 
 // Passkeys table definition
 export const createPasskeysTableSQL = `
@@ -101,13 +93,15 @@ CREATE TABLE IF NOT EXISTS connections (
     encrypted_private_key TEXT NULL,
     encrypted_passphrase TEXT NULL,
     proxy_id INTEGER NULL,
-    ssh_key_id INTEGER NULL, -- 新增 ssh_key_id 列
+    ssh_key_id INTEGER NULL, 
 notes TEXT NULL,
-    created_at INTEGER NOT NULL DEFAULT (strftime('%s', 'now')),
+jump_chain TEXT NULL,
+proxy_type TEXT NULL, 
+created_at INTEGER NOT NULL DEFAULT (strftime('%s', 'now')),
     updated_at INTEGER NOT NULL DEFAULT (strftime('%s', 'now')),
     last_connected_at INTEGER NULL,
     FOREIGN KEY (proxy_id) REFERENCES proxies(id) ON DELETE SET NULL,
-    FOREIGN KEY (ssh_key_id) REFERENCES ssh_keys(id) ON DELETE SET NULL -- 新增外键约束
+    FOREIGN KEY (ssh_key_id) REFERENCES ssh_keys(id) ON DELETE SET NULL 
 );
 `;