fix: robust absolute path fallback for live_dashboard html rendering

fix: serve live_dashboard.html on root route instead of json

Merge branch 'main' of https://github.com/garvitsachdevaa/911-Dispatch-Supervisor

feat: phase3 improvements - reward clarity, survival clocks, MCP endpoint, phraseology docs

Add root endpoint for HF Space probes

fix(api): remove Pydantic model for /reset to natively handle null JSON bodies from OpenEnv validator

fix: revert inference format and make /reset payload optional

fix: port 7860, pip setup, real baseline scores, router API URL, MCP endpoint, LLM prompt

Finalize OpenEnv baseline: OpenAI client, PORT binding, and docs

Add OpenEnv runtime endpoints

Apply changes.md compliance fixes

Fix OpenEnv metadata, docker data, tasks endpoint, and demo

Dispatch environment: rewards, dashboard, docs, and passing tests

Initial import: 911 dispatch RL environment