fix: stop reconnect loop on server decommission

fix: handle SERVER_DECOMMISSIONED without reconnect loop

fix: mark channels in state as bad when in observerBadChannels

feat: show bad/blocked channels in sidebar with warning indicator

refactor: auto-detect clip types from GLB track data

fix: strip @@[clip:weight]@@ avatar markers from displayed messages

feat: wire GLB animation clips via @@[clip:weight]@@ avatar markers

fix: port procedural material system and mesh visibility from personas viewer

fix: video call camera framing and chat input styling

fix: download GLB model during Docker build instead of COPY from cache

fix: observer auto-skips bad channels (NOT_FOUND, AUTH_REQUIRED)

fix: bundle GLB model in Docker image, serve from same origin

fix: add GitHub domains to CSP connect-src for external GLB loading

feat: single floating action button in DM input with emoji menu and model progress bar

refactor: remove pinned model proxy, load GLB directly from GitHub