disable auto-trigger on sync-graph-data workflow

TELEO_APP_TOKEN secret is not configured, so every push to main
triggered a failing workflow run. Kept manual trigger (workflow_dispatch)
for when we're ready to re-enable.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.github/workflows/sync-graph-data.yml

@@ -5,15 +5,7 @@ name: Sync Graph Data to teleo-app
 # This triggers a Vercel rebuild automatically.
 
 on:
-  push:
+  workflow_dispatch:  # manual trigger only — disabled auto-run until TELEO_APP_TOKEN is configured
-    branches: [main]
-    paths:
-      - 'core/**'
-      - 'domains/**'
-      - 'foundations/**'
-      - 'convictions/**'
-      - 'ops/extract-graph-data.py'
-  workflow_dispatch:  # manual trigger
 
 jobs:
   sync: