refactor: Migrate file-based data storage to database

web/routes/admin.py

@@ -5,7 +5,7 @@ from datetime import datetime, timedelta
 from flask import Blueprint, render_template, request, redirect, url_for, flash, session, jsonify
 from flask_login import login_required, login_user, current_user
 from sqlalchemy import func
-from web.db import db, User, Project, Run
+from web.db import db, User, Project, Run, Persona
 from web.helpers import admin_required
 from core import config, utils
 from ai import models as ai_models
@@ -83,10 +83,7 @@ def admin_factory_reset():
             except: pass
         db.session.delete(u)
 
-    if os.path.exists(config.PERSONAS_FILE):
-        try: os.remove(config.PERSONAS_FILE)
-        except: pass
-    utils.create_default_personas()
+    Persona.query.delete()
 
     db.session.commit()
     flash("Factory Reset Complete. All other users and projects have been wiped.")