v0.69.0

What's Changed

Fixes

• fix: rename diag.boot rolled_back→pending_verify + add real rollback signal (B1-350) by @jgangemi in #533
• fix: keep update.available retained event current so the badge appears (B1-351) by @jgangemi in #536
• fix: retained event-routes topics use capacity-1 ring to bound no-PSRAM heap (B1-352) by @jgangemi in #542

Other Changes

• jae/bb pub sink event by @jgangemi in #534
• refactor: single net.health builder for REST/SSE/source, fix 4-vs-8 field drift (B1-352) by @jgangemi in #535
• refactor: single bb_power_emit builder shared by REST + bb_pub source (B1-352) by @jgangemi in #538
• refactor: single bb_fan_emit builder shared by REST + bb_pub source (B1-352) by @jgangemi in #539
• refactor: single bb_thermal_collect for REST + bb_pub source values (B1-352) by @jgangemi in #540
• refactor: extract bb_temp_emit_section shared builder (B1-352) by @jgangemi in #541
• refactor!: normalize time fields to canonical bb_clock convention (u64 ms / _age / _epoch_s) by @jgangemi in #543

Full Changelog: v0.68.0...v0.69.0