Update admin.py

admin.py

@@ -292,7 +292,23 @@ INDEX_TEMPLATE = """
                         </form>
                     </div>
                 </div>
-                <div class="col-md-6">
+                <div class="col-md-4">
+                    <div class="table-container mt-0">
+                        <h5 class="fw-bold mb-3"><i class="bi bi-info-circle me-2"></i>Formatting Guide</h5>
+                        <div class="small text-secondary mb-3">The broadcast supports standard Markdown syntax:</div>
+                        <ul class="list-unstyled small">
+                            <li class="mb-2"><code class="text-accent">**text**</code> or <code class="text-accent">*text*</code> <br> <span class="text-white-50">→</span> <strong>Bold Text</strong></li>
+                            <li class="mb-2"><code class="text-accent">__text__</code> or <code class="text-accent">_text_</code> <br> <span class="text-white-50">→</span> <em>Italic Text</em></li>
+                            <li class="mb-2"><code class="text-accent">[google](https://google.com)</code> <br> <span class="text-white-50">→</span> <a href="#" class="text-accent" style="pointer-events: none;">Hyperlink</a></li>
+                            <li class="mb-2"><code class="text-accent">`code`</code> <br> <span class="text-white-50">→</span> <code>Monospaced Code</code></li>
+                        </ul>
+                        <hr class="opacity-10">
+                        <div class="alert alert-info py-2" style="background: rgba(59, 130, 246, 0.1); border: none; font-size: 11px; color: #60a5fa;">
+                            <i class="bi bi-exclamation-triangle-fill me-1"></i> Ensure all tags are properly closed to avoid delivery failure.
+                        </div>
+                    </div>
+                </div>
+                <div class="col-md-4">
                     <div class="table-container mt-0 h-100">
                         <h5 class="fw-bold mb-4">Broadcast Results</h5>
                         <div id="broadcastStatus" class="p-3 rounded bg-dark border border-secondary" style="height: 300px; overflow-y: auto; font-family: monospace; font-size: 12px; color: #10b981;">
@@ -771,6 +787,69 @@ def api_broadcast():
         "failed_count": failed_count
     })
 
+@app.route('/api/cron/reset-coins', methods=['GET', 'POST'])
+def cron_reset_coins():
+    # Basic security check: You can add a CRON_SECRET if needed
+    # secret = request.args.get('secret')
+    # if secret != os.getenv("CRON_SECRET"): return "Unauthorized", 401
+
+    try:
+        # 1. Reset database counter in Supabase
+        # Set daily_images_generated to 0 for all free users
+        res = supabase.table("telegram_users").update({
+            "daily_images_generated": 0
+        }).eq("tier", "free").execute()
+        
+        updated_count = len(res.data) if res.data else 0
+        
+        # 2. Get tokens for broadcast
+        token = os.getenv("TELEGRAM_BOT_TOKEN")
+        if not token:
+            return jsonify({"status": "partial_success", "message": "DB Reset OK, but BOT_TOKEN missing", "reset_count": updated_count}), 200
+
+        # 3. Fetch all active users to notify
+        users_res = supabase.table("telegram_users").select("chat_id").eq("tier", "free").execute()
+        users = users_res.data or []
+
+        # 4. Notification Message
+        message = (
+            "🚀 **Daily Coins Reset!**\n\n"
+            "Your daily generation coins have been successfully reset. You now have **60 fresh coins** to create amazing AI art today!\n\n"
+            "👉 Start generating now: /start"
+        )
+        formatted_message = format_message_to_html(message)
+        
+        # 5. Send notifications (Non-blocking or simple loop)
+        sent_count = 0
+        base_url = os.getenv("TELEGRAM_API_BASE_URL", "https://api.telegram.org").rstrip('/')
+        
+        for user in users:
+            chat_id = user.get('chat_id')
+            if not chat_id: continue
+            try:
+                # Construct URL
+                if "/bot" in base_url.lower(): url = f"{base_url}{token}/sendMessage"
+                else: url = f"{base_url}/bot{token}/sendMessage"
+                
+                requests.post(url, json={
+                    "chat_id": chat_id,
+                    "text": formatted_message,
+                    "parse_mode": "HTML"
+                }, timeout=5)
+                sent_count += 1
+            except:
+                continue
+
+        return jsonify({
+            "status": "success", 
+            "db_reset_count": updated_count,
+            "notifications_sent": sent_count,
+            "time": datetime.now().isoformat()
+        }), 200
+
+    except Exception as e:
+        return jsonify({"status": "error", "message": str(e)}), 500
+
 # Health check endpoint for Space
 @app.route('/health')
 def health():