fix: add explicit transformers pin back with compatible version

fix: remove explicit transformers pin - let transitive deps resolve

fix: use transformers 4.30.x - compatible huggingface-hub range

fix: use transformers<4.38.0 to avoid huggingface-hub conflict

fix: resolve huggingface-hub dependency conflict in Docker build

fix: resolve transformers import error and Nemotron API 404 noise

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

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

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

fix: torch==2.11.0 for ZeroGPU compatibility (supported: 2.8-2.11)

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

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

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

Switch Space to local-first real model backend

Add ZeroGPU startup probe

Build Phase 1 HearthNet Space