feat: Full OpenEnv spec compliance — /metadata, /schema, /health, /mcp endpoints + pyproject.toml fix + deterministic 0-1 graders + proper inference.py STDOUT

chore: Sanitize repository of deprecated template files and refactor EcoEnv namespace

fix: Metric scaling alignment and sim reset api endpoint

fix: Expose active_shipments in the /state endpoint

feat: Implement Suez Jam crisis scenario and HUD integration

feat: Add professional Eco-HUD Dashboard

feat: Full standardization to NetZero-Nav package