Fix: default user config

app.py

@@ -60,10 +60,23 @@ def init_db():
 
     c.execute("SELECT COUNT(*) FROM users")
     if c.fetchone()[0] == 0:
-        h = generate_password_hash('admin123')
-        c.execute("INSERT INTO users (username, password_hash, role, allowed_nodes) VALUES (?,?,?,?)",
-                  ('admin', h, 'admin', 'all'))
-        logger.info(">>> DEFAULT USER CREATED - User: admin | Pass: admin123 <<<")
+        #  Default value if missing config file
+         def_user = "admin"
+         def_pass = "admin123"
+        
+        # Try read config.json
+         try:
+             with open(CONFIG_PATH, 'r') as f:
+                 cfg = json.load(f)
+                 def_user = cfg.get("web_admin", {}).get("default_user", "admin")
+                 def_pass = cfg.get("web_admin", {}).get("default_pass", "admin123")
+         except Exception:
+             pass
+
+         h = generate_password_hash(def_pass)
+         c.execute("INSERT INTO users (username, password_hash, role, allowed_nodes) VALUES (?,?,?,?)",
+                   (def_user, h, 'admin', 'all'))
+         logger.info(f">>> DEFAULT USER CREATED - User: {def_user} | Pass: {def_pass} <<<")
 
     conn.commit()
     conn.close()