fix: resolve model role confusion by using chat completion API, and fix emergency card rendering

fix: switch model to gemma-1.1-2b-it for compat with llama-cpp-python GGUF loader

feat: unified Wilderness AI chatbot & 1s GPS updates with proximity highlights

Commit local modifications: switch fallback ASR to transformers and update requirements

Fix elevation, POIs, and alerts by bundling pre-compiled track cache and adding Gradio allowed_paths

Implement customizable post-trek storyteller styles (Minimal Technical Gist & Social Media Post) with robust mock parser fallback

Fix voice ASR fallback to transformers on Hugging Face and stop simulation timer at trek completion

Initial commit: Set up Trailhead structure, Docker, README, and .gitignore