Initial commit: BLIGHT: CUE

Webhook listener that monitors Gitea repos for BLIGHT: triggers in
markdown files, processes them via Gemini 2.5 Flash-Lite, and writes
results back in-place.

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

ai/__init__.py

@@ -0,0 +1,4 @@
+from .base import AIProvider
+from .gemini import GeminiProvider
+
+__all__ = ["AIProvider", "GeminiProvider"]