Switch UI to minimal monochrome dark mode

Fix prompt diff highlighting alignment

Add prompt diff view with paste and copy controls

Add grounded optimization modes and wire dedicated optimizer module

Improve citation guidance, preserve prompt structure, harden baseline, and validate inference

Add PyTorch context tuning with demo-seeded retrieval and UI grounding stats

Add gold citations and multi-pack enterprise corpus switching

Expose grounding and citation signals in frontend and baseline

Force fresh template reads and add visible build marker

Extract UI template and reframe benchmark as enterprise workflow

Initial OpenEnv submission