chore: runtime updates and fixes

fix(ui): disable broken tabs + add @spaces.GPU + MiniCPM trust_remote_code note

build: Final build artifacts and documentation updates

feat: P0/P1 — Image, OCR, Translation tabs + styled headers on all tabs

feat: UI theme + voice fix + ENV.md + improvements roadmap

feat: wire STT/TTS/Nemotron/Federation/Florence2 — surface hidden services

feat: 15 targeted improvements — RAG persistence, bus failover, agent hardening, deps sync

feat(ui+docs): surface the agent — showcase reveal + Agent/sponsor badges

fix: Python 3.10 compat — replace datetime.UTC with timezone.utc shim

Quality improvements: Unicode chars, Token class, imports, type hints, formatting

fix: popup shows webagent (not Gradio); ticker speed 80s

fix: webagent at /webagent/ via lifespan mount; ticker shows real HN+BBC news

feat: easter egg CSS injected via js_on_load (no gr.Blocks css= deprecation)

fix: complete easter egg rewrite using Gradio 6 js= API

fix: CSS via gr.Blocks(css=) + serve webagent as static files

feat: easter egg enhancements - ticker at top + agent modal on 'a' key

test: add comprehensive easter egg tests

fix: easter-egg script now properly injected via Gradio head parameter

Fix: Ruff linting issues - SIM/E402/F401 violations

fix: easter-egg ticker now properly works in Gradio app

feat: add easter-egg news ticker to Gradio UI

fix: 0 test failures; FileService; real RagService; emergency probe; chat return

feat: HF Space shows real 7-tab node UI with SmolLM2 backend

test: 30 user-story E2E tests (Playwright) + 31 annotated screenshots

feat: mesh graph tab, routing trace, QR invite, remove all fakes, specialized-node tests

fix: node identity, Gradio 6 chatbot format, peer discovery; add routing+special-node docs; screenshots

feat: impl_ref gaps closed — Nemotron/OpenBMB backends, spec refs, extended UI, HOWTO, multi-node E2E

feat: implement all M01-M13, X01-X04 modules + quality gate fixes