v1.2.0 — Q4 2025 hardening

v1.2.0 - Q4 2025 hardening & release

Fixed

• collector reconnect loop could spin under flaky websocket peers
• failover daemon no longer double-fires on transient health blips

Changed

• dashboard latency panel now samples p95 instead of mean
• dependency bumps across collector (prost/tokio), api (chi/zap), dashboard (react 19)

Full changelog: see CHANGELOG.md