Offband offband-v0.17.0-rc1

(No CHANGELOG entry for v0.17.0-rc1.)

What's Changed

• feat: observer MQTT connectivity (crosswire-v0.15.0) — #53 #48 #63 #68 by @Strycher in #72
• docs: fix README license link (LICENSE.txt -> license.txt) — #73 by @Strycher in #74
• docs: 2026-06-10 observer-MQTT session handoff — #75 by @Strycher in #76
• chore: relocate to C:/Dev/Crosswire — canonical hook sync + AM repin by @Strycher in #78
• docs(#79): correct stale active-agents line in CLAUDE.md by @Strycher in #80
• Observer: time arbiter (#69) + position in /status (#31) + _sys CLI grammar (#45) by @Strycher in #91
• Observer follow-ups: arbiter decouple + held-state (#87) + /status radio from runtime prefs (#88) by @Strycher in #92
• docs: README/CHANGELOG 0.16.0 (#93) + observer instructions (#94) by @Strycher in #99
• #95: observer MQTT broker pre-config + per-device auth by @Strycher in #105
• #98: mqtt view + mqtt clear (broker config inspection) by @Strycher in #106
• Offband rebrand: Crosswire -> Offband (code + docs) by @Strycher in #108
• chore(#107): finish OffbandMesh local cutover (preflight, CLAUDE.md, board #1) by @Strycher in #109
• chore(#111): remove stale upstream CNAME (docs.meshcore.nz) by @Strycher in #112
• docs(#113): finish rebrand — Strycher/Crosswire refs + CLAUDE.md PROJECT_PAT note by @Strycher in #115
• chore(#114): update stale Strycher/Crosswire# refs in code comments -> #N by @Strycher in #116
• epic(#117): Offband release-readiness — docs, observer reference, CHANGELOG prep by @Strycher in #125

Full Changelog: crosswire-v0.14.0...offband-v0.17.0-rc1