Add system reset button to admin dashboard with confirmation

app.py

@@ -1,4 +1,5 @@
 import os
+import shutil
 import smtplib
 import ssl
 from email.message import EmailMessage
@@ -8,7 +9,7 @@ from flask import Flask, request, render_template, redirect, url_for, flash, ses
 from werkzeug.utils import secure_filename
 
 from config import Config
-from models import init_db, close_db, create_request, get_request_by_id, get_request_by_token, list_requests, update_request, now_utc, delete_request
+from models import init_db, close_db, create_request, get_request_by_id, get_request_by_token, list_requests, update_request, now_utc, delete_request, reset_all_requests
 
 app = Flask(__name__)
 app.config.from_object(Config)
@@ -292,6 +293,27 @@ def admin_delete_request(rid):
     flash(f'Request #{rid} deleted.', 'success')
     return redirect(url_for('admin_dashboard'))
 
+@app.route('/admin/reset', methods=['POST'])
+def admin_reset_system():
+    redir = require_admin()
+    if redir:
+        return redir
+
+    upload_root = Path(current_app.config['UPLOAD_FOLDER'])
+    if upload_root.exists():
+        for entry in upload_root.iterdir():
+            try:
+                if entry.is_file():
+                    entry.unlink()
+                elif entry.is_dir():
+                    shutil.rmtree(entry)
+            except OSError:
+                pass
+
+    reset_all_requests()
+    flash('System reset complete. All orders and files have been cleared.', 'success')
+    return redirect(url_for('admin_dashboard'))
+
 # ---------------- init ----------------
 
 @app.cli.command('init-db')