feat: add ntfy push notifications for new requests

- Add ntfy server/topic settings in /admin/settings next to Hermes API key
- POST a push notification to the configured topic on every new customer request
- Add a Send Test ntfy button to verify configuration
- Add requests dependency for ntfy HTTP calls
- Bump version to 0.5.6

app.py

@@ -64,6 +64,9 @@ from models import SCHEMA, get_requests_by_email, log_revision, list_revision_hi
 from mutagen.mp3 import MP3
 from mutagen.easyid3 import EasyID3
 
+# HTTP client for ntfy push notifications
+import requests
+
 
 # ---------------------------------------------------------------------------
 # Genre / decade helpers
@@ -411,6 +414,36 @@ def mask_api_key(key):
     return '*' * (len(key) - 6) + key[-6:]
 
 
+def get_ntfy_config():
+    """Return the effective ntfy server URL and topic from runtime settings."""
+    cfg = load_booth_settings()
+    return {
+        'server': cfg.get('ntfy_server', ''),
+        'topic': cfg.get('ntfy_topic', ''),
+    }
+
+
+def send_ntfy(message, title='Theme Song Booth', priority='default', tags='bell'):
+    """Send a push notification to the configured ntfy topic, if configured."""
+    ntfy = get_ntfy_config()
+    server = ntfy.get('server', '').rstrip('/')
+    topic = ntfy.get('topic', '').strip()
+    if not server or not topic:
+        return False
+
+    url = f"{server}/{topic}"
+    headers = {
+        'Title': title,
+        'Priority': priority,
+        'Tags': tags,
+    }
+    try:
+        resp = requests.post(url, data=message.encode('utf-8'), headers=headers, timeout=10)
+        return resp.status_code in (200, 202)
+    except Exception:
+        return False
+
+
 def sign_prompt_callback(rid, expires_at=None):
     """
     Create a signed callback token for a specific request ID.
@@ -559,6 +592,18 @@ def request_form():
             return render_template('request.html', form=form_data, decades=DECADES, genres=MUSIC_GENRES), 400
         rid = create_request(**form_data)
 
+        # Notify operator via ntfy when a new request comes in.
+        try:
+            send_ntfy(
+                f"New request #{rid} from {form_data['name']} ({form_data['email']})\nStyle: {form_data['style_genre'] or '-'}",
+                title='New Theme Song Request',
+                priority='high',
+                tags='musical_note'
+            )
+        except Exception:
+            # Push notification failure should never break the customer form.
+            pass
+
         # Send confirmation email with a summary of what the customer asked for.
         req = get_request_by_id(rid)
         if req:
@@ -1626,6 +1671,28 @@ def admin_settings():
             flash('Hermes API key is managed via the HERMES_API_KEY environment variable.', 'info')
             return redirect(url_for('admin_settings'))
 
+        elif action == 'save_ntfy':
+            # Update ntfy push notification server/topic from the settings form.
+            cfg = load_booth_settings()
+            cfg['ntfy_server'] = request.form.get('ntfy_server', '').strip().rstrip('/')
+            cfg['ntfy_topic'] = request.form.get('ntfy_topic', '').strip()
+            save_booth_settings(cfg)
+            flash('ntfy notification settings saved.', 'success')
+            return redirect(url_for('admin_settings'))
+
+        elif action == 'send_test_ntfy':
+            # Send a test push notification to the configured ntfy topic.
+            ntfy = get_ntfy_config()
+            if not ntfy['server'] or not ntfy['topic']:
+                flash('Configure ntfy server and topic first.', 'error')
+                return redirect(url_for('admin_settings'))
+            ok = send_ntfy('This is a test push notification from the Trollgorithm Theme Song Booth.', title='Test Notification', priority='high', tags='test_tube')
+            if ok:
+                flash('Test ntfy notification sent.', 'success')
+            else:
+                flash('Failed to send ntfy test notification. Check server and topic.', 'error')
+            return redirect(url_for('admin_settings'))
+
     return render_template(
         'admin/settings.html',
         health=health,
@@ -1653,6 +1720,7 @@ def admin_settings():
         hermes_key_set=hermes_key_set,
         hermes_key_just_generated=hermes_key_just_generated,
         version=current_app.config['VERSION'],
+        ntfy=runtime_settings,
     )