fix: 支持直接运行 server/app.py，统一导入方式

server/app.py

@@ -1,12 +1,17 @@
 import os
+import sys
 
 from flask import Flask, jsonify, request, send_from_directory, session
 
-from .auth import admin_required, authenticate, create_user, login_required
-from .db import BASE_DIR, get_db, init_db
-from .entries_api import entries_bp
-from .settings_api import settings_bp
-from .vocab_api import vocab_bp
+ROOT_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+if ROOT_DIR not in sys.path:
+    sys.path.insert(0, ROOT_DIR)
+
+from server.auth import admin_required, authenticate, create_user, login_required
+from server.db import BASE_DIR, get_db, init_db
+from server.entries_api import entries_bp
+from server.settings_api import settings_bp
+from server.vocab_api import vocab_bp
 
 
 def create_app():

server/auth.py

@@ -3,7 +3,7 @@ from functools import wraps
 from flask import jsonify, session
 from werkzeug.security import check_password_hash, generate_password_hash
 
-from .db import get_db, now_iso
+from server.db import get_db, now_iso
 
 
 def get_current_user():

server/entries_api.py

@@ -2,8 +2,8 @@ from datetime import date, timedelta
 
 from flask import Blueprint, jsonify, request
 
-from .auth import login_required
-from .db import get_db, now_iso
+from server.auth import login_required
+from server.db import get_db, now_iso
 
 entries_bp = Blueprint("entries", __name__)
 

server/settings_api.py

@@ -2,9 +2,9 @@ import json
 
 from flask import Blueprint, jsonify, request
 
-from .auth import login_required
-from .db import get_db, now_iso
-from .translate_service import perform_translate
+from server.auth import login_required
+from server.db import get_db, now_iso
+from server.translate_service import perform_translate
 
 settings_bp = Blueprint("settings", __name__)
 

server/vocab_api.py

@@ -1,7 +1,7 @@
 from flask import Blueprint, jsonify, request
 
-from .auth import login_required
-from .db import get_db, now_iso
+from server.auth import login_required
+from server.db import get_db, now_iso
 
 vocab_bp = Blueprint("vocabulary", __name__)