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

fix(node): replace 131 UTF-8 curly quotes with ASCII to fix SyntaxError

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

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

feat(nemotron): refresh catalogue to Nemotron 3 Nano agentic family

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

fix(bus): fail over to remote provider when local errors + stamp _routed_via

fix(chat): wire ChatService with bus in app.py so cross-node sends deliver

fix(relay): register hub node directly via /manifest, even when absent from roster

fix(relay): route hub node via direct HTTP to fix cross-event-loop chat delivery

fix: resolve cross-node chat [echo] bug

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

fix: llm.chat IndexError (lazy Ollama warm + safe _resolve_backend fallback) + chat self-send returns direct

feat: relay hub serves in-process node directly so Space answers relay RPCs

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

feat: real node-to-node HTTP peering (local <-> HF Space)

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: Additional ruff auto-fixes (30 issues fixed)

Fix: Additional ruff issues - RUF006, RUF002/RUF003, and Unicode

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

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

fix: re-apply Python 3.10 UTC fixes across all 10 files

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

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

feat: add easter-egg news ticker to Gradio UI

fix: Python 3.10 compatibility - replace UTC import with timezone.utc

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

fix(tests,identity): order-independent event loop + Windows key permissions

feat: activate real services, fix gossip, wire sponsor backends + EventLog

fix(llm): single multi-model llm.chat so sponsor backends are reachable

chore: remove temp patch scripts

feat: federated RAG + comprehensive security fixes

chore: new tests, security audit, coverage enhancements, requirements update

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