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

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

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

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

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

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

feat: federated RAG + comprehensive security fixes

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

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