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

sec: remove API key from Gradio frontend value — SEC-1 critical fix

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

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

feat(rag): docs ingestion + UI/bus enhancements (P3 continuation)

feat(agent): wire real ReAct tool-calling loop into Ask tab (M21)

fix: resolve cross-node chat [echo] bug

fix(chat): show relay peers in dropdown + clear cross-node instructions

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

Add all-to-all internet mesh over relay hub (P1-P3) + user-story screenshot proof

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

fix: re-apply Python 3.10 UTC compatibility (was reverted by formatter)

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

feat: WebLLM browser agent with PeerJS mesh, HybridRAG, news signals, and easter-egg ticker

chore: remove temp patch scripts

feat: federated RAG + comprehensive security fixes

Build: Add Android APK, PWA, and deployment guide

feat: Nemotron Space, Modal backend, sponsor prize targeting, improvements doc

fix: NameError node_id in settings.py f-string; add tab build regression tests

fix: asyncio.get_running_loop() across backends; expand mesh/capability/model UI docs

fix: ZeroGPU CUDA init, corpus scan sync, extended user story tests

fix: corpus dropdown, LLM error display, chat UX, invite endpoint, getting started text

fix: PyNaCl in requirements, file tab download+auto-refresh, impl status table

feat: Phase 3 wired + plant tool + MoE bus + model distribution always-on

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

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

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