补充遗漏翻译，新增启动脚本，整理import

app/routes/printer_routes.py

@@ -1,14 +1,18 @@
-from flask import Blueprint, render_template, request, jsonify, flash, redirect, url_for, current_app, Response
-from flask_login import login_required, current_user
-from websockets.sync.client import connect as ws_connect
+import os
 import websockets.exceptions
 import threading
 import requests
-from urllib.parse import urlparse
-from app.models import SystemConfig, db
+import uuid
+import traceback
+from werkzeug.utils import secure_filename
+from flask import Blueprint, render_template, request, jsonify, flash, redirect, url_for, current_app, Response
+from flask_login import login_required, current_user
+from flask_sock import Server, ConnectionClosed
+from websockets.sync.client import connect as ws_connect
+from urllib.parse import urlparse, urlencode
+from app.models import SystemConfig, db, PrintFile
 from app.utils.octoprint_client import OctoPrintClient
-from app.models import PrintFile
-import os
+from app.utils.gcode_parser import get_gcode_metadata
 
 printer_bp = Blueprint('printer', __name__, url_prefix='/printer')
 
@@ -21,17 +25,17 @@ def get_octo_client():
 
 def _enrich_job_data(job_data):
     if job_data and job_data.get('job', {}).get('file', {}).get('name'):
-        from app.models import PrintFile
         internal_name = job_data['job']['file']['name']
         internal_stl_name = str(internal_name)[:-5]+"stl"
-        user_files = {}
-        print_file = None
-        for f in PrintFile.query.filter_by(user_id=current_user.id, status='sliced').all():
-            user_files[f.filename] = f.original_filename
-        if internal_stl_name in user_files.keys():
-            print_file = user_files[str(internal_name)[:-5]+"stl"]
-        if print_file:
-            job_data['job']['file']['display_name'] = print_file
+        if current_user.is_authenticated and current_user.is_admin:
+            pf = PrintFile.query.filter_by(filename=internal_stl_name).first()
+        elif current_user.is_authenticated:
+            pf = PrintFile.query.filter_by(filename=internal_stl_name, user_id=current_user.id).first()
+        else:
+            pf = None
+            
+        if pf:
+            job_data['job']['file']['display_name'] = pf.original_filename
         else:
             job_data['job']['file']['display_name'] = internal_name
     return job_data
@@ -81,9 +85,6 @@ def get_gcode_dir():
 @printer_bp.route('/prepare')
 @login_required
 def prepare():
-    from app.models import PrintFile
-    import os
-    from app.utils.gcode_parser import get_gcode_metadata
     
     # Query only the sliced GCode files belonging to the current user
     user_files = PrintFile.query.filter_by(user_id=current_user.id, status='sliced').order_by(PrintFile.created_at.desc()).all()
@@ -151,7 +152,6 @@ def prepare():
 
 
 def check_printer_control_permission(client):
-    from flask_login import current_user
     if current_user.is_admin:
         return True, None
     
@@ -167,7 +167,6 @@ def check_printer_control_permission(client):
         if not internal_name:
             return False, "现在有任务正在运行，非管理员无法进行控制。"
             
-        from app.models import PrintFile
         pf = PrintFile.query.filter_by(filename=internal_name).first()
         if pf and pf.user_id == current_user.id:
             return True, None
@@ -204,7 +203,6 @@ def control():
         try:
             raw_url = client.get_webcam_stream_url()
             # If it's an absolute url pointing to the base url, strip it or proxy it via octo_proxy
-            from urllib.parse import urlparse, urlencode
             parsed_raw = urlparse(raw_url)
             base_config = SystemConfig.query.filter_by(key='octoprint_url').first()
             if base_config and base_config.value:
@@ -256,11 +254,6 @@ def api_command():
 @printer_bp.route('/api/upload_gcode', methods=['POST'])
 @login_required
 def upload_gcode():
-    from app.models import PrintFile
-    import os
-    import uuid
-    from werkzeug.utils import secure_filename
-    
     if 'file' not in request.files:
         return jsonify({"success": False, "error": "No file part"}), 400
         
@@ -366,8 +359,6 @@ def octo_proxy(path):
 
     # --- WebSocket Proxy Logic ---
     if request.headers.get('Upgrade', '').lower() == 'websocket':
-        from flask_sock import Server, ConnectionClosed
-        
         # Check if environment supports WebSockets
         try:
             ws = Server(request.environ)
@@ -413,7 +404,6 @@ def octo_proxy(path):
                 remote_ws = ws_connect(target_url, additional_headers=ws_headers)
                 print("WS Proxy connected to remote.")
             except Exception as e:
-                import traceback
                 traceback.print_exc()
                 print(f"Remote WS Connection Error: {e}")
                 ws.close(1011, str(e))
@@ -473,7 +463,6 @@ def octo_proxy(path):
         return WebSocketResponse()
 
     # --- Standard HTTP Proxy Logic ---
-    # from urllib.parse import urlparse
     target_url = f"{base_url}/{path}"
     
     if request.query_string: