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>

.env.example

@@ -0,0 +1,15 @@
+# Gitea instance base URL (no trailing slash)
+GITEA_URL=https://gitea.bunny-wyvern.ts.net
+
+# Gitea personal access token (Settings → Applications → Generate Token)
+# Needs read/write access to repository contents
+GITEA_TOKEN=your_gitea_token_here
+
+# Google Gemini API key (https://aistudio.google.com/apikey)
+GEMINI_API_KEY=your_gemini_api_key_here
+
+# Secret shared with the Gitea webhook (set this when registering the webhook in Gitea)
+WEBHOOK_SECRET=your_webhook_secret_here
+
+# Port for the webhook listener to bind on (default: 5010)
+WEBHOOK_PORT=5010