[Build] Add conversation history support to GetCirclo webhook

## GitHub Update **Repository:** [MKWcorp/CINTAI](https://github.com/MKWcorp/CINTAI) **Author:** MKWcorp **Date:** 11/8/2025, 6:09:32 PM **Commit:** [`0c3a428`](https://github.com/MKWcorp/CINTAI/commit/0c3a4281d08b6a1a93fc476a59399de4d38e3cae) ### Commit Message Add conversation history support to GetCirclo webhook - Update generate_gemini_response() to accept chat_history - Convert GetCirclo history format to Gemini format - Pass full conversation context (last 10 messages) - Webhook now uses history from GetCirclo payload - Smoother conversations with context awareness - Tested with multi-turn conversations --- _This story was imported from historical commits._