temp: Force HF to rebuild by removing Dockerfile

fix: Ultra-minimal Docker for HF Spaces timeout issues v0.3.12

fix: Switch to minimal requirements for faster Docker build v0.3.11

fix: Resolve urllib3 dependency conflict in Docker build v0.3.10

debug: Add simple Docker container test v0.3.9

feat: Switch to Docker deployment for environment consistency v0.3.8

feat: Add fallback solutions for LlamaIndex and OAuth persistence

feat: Add version tracking and /version API endpoint v0.3.7

fix: Update Gradio to 4.44.1 and other requirement adjustments

fix: Try Pydantic 2.8.2 for Secret import compatibility

fix: Change hardware to free cpu-basic tier

debug: Add debug app to identify crash cause

fix: Pin Pydantic to exact working version 2.9.2

fix: Restore LlamaIndex with proper Pydantic version constraints

fix: Replace LlamaIndex with direct API clients

fix: Downgrade LlamaIndex versions for Pydantic compatibility

fix: Update Pydantic version for LlamaIndex compatibility

fix: Update google-auth for urllib3 compatibility with Gradio

fix: Update google-auth-oauthlib for llama-index compatibility

fix: Update google-api-python-client for llama-index compatibility

fix: Update python-multipart version for Gradio compatibility

trigger: Force HF space rebuild

feat: Add space marker file to trigger HF rebuild

feat: Trigger HF rebuild - ensure app.py is available

feat: Initial ChatCal Voice-Enabled Assistant v0.1.0