v0.2.9-rc.1

What's Changed

• feat(ai): alert delivery channels — Slack, webhook, email (#24, PR 1/3) by @mighty840 in #50
• feat(control): wire alert pipeline — monitor spawn + HTTP API (#24, PR 2/3) by @mighty840 in #53
• feat(cli): wire orca alerts CLI to the alerts API (#24, PR 3/3) by @mighty840 in #54
• fix(alerts): email delivery + real-signal counts in the monitor by @mighty840 in #55
• feat(tui): AI chat landing page (#38) by @mighty840 in #57
• feat(tui): alerts view — list + drill-down + reply/dismiss/resolve (#39) by @mighty840 in #56
• fix(tui): unblock event loop + key-handler regression tests by @mighty840 in #59
• feat(networks): A-record IPs + missing-alias detection + per-node edge routes (#17) by @mighty840 in #58
• chore(release): bump workspace to v0.2.9-rc.1 by @mighty840 in #60

Full Changelog: v0.2.8...v0.2.9-rc.1