Initial commit: Yodmon Yodeck→Zabbix bridge

- Yodeck API poller (every 10 min, paginated, 310 players)
- SQLite persistence (players + activity logs)
- SNMP v2c agent via net-snmp pass_persist
- Zabbix API auto host creation/update (6.0+)
- Flask web dashboard with live player status and log
- Docker deployment with persistent volume
- dev_server.py for local testing without Docker

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

app/yodeck.py

@@ -0,0 +1,25 @@
+import logging
+import requests
+from app.config import YODECK_API_TOKEN, YODECK_API_BASE
+
+log = logging.getLogger(__name__)
+
+
+def get_all_screens():
+    """Fetch all screens/players from the Yodeck API (handles pagination)."""
+    if not YODECK_API_TOKEN:
+        raise RuntimeError("YODECK_API_TOKEN is not configured")
+
+    headers = {'Authorization': f'Token {YODECK_API_TOKEN}'}
+    players = []
+    url = f'{YODECK_API_BASE}/screens/'
+
+    while url:
+        log.debug("GET %s", url)
+        resp = requests.get(url, headers=headers, timeout=30)
+        resp.raise_for_status()
+        data = resp.json()
+        players.extend(data.get('results', []))
+        url = data.get('next')
+
+    return players