chore(main): release 0.19.0

[github-actions]

🤖 I have created a release beep boop

0.19.0 (2026-10-02)

⚠ BREAKING CHANGES

• add project-scoped Manager work orchestration (#144)

Features

• add owned session usage stats (#177) (5d1800c)
• add project-scoped Manager work orchestration (#144) (8f389b7)
• manager: automate project handoffs and supervisor awareness (#201) (5909f7d)
• reject incompatible live Herdsman builds (#219) (fd2de5a)
• ui: align supervision with Lead status (#215) (d77655e)

Fixes

• allocate semantic result refs globally (#213) (9688a33)
• context: place pre-turn synthetic context before user message (#221) (b38a6d3)
• coordination: make file handoff guidance consistent across roles (#223) (e75a7dd)
• keep bootstrap-installed extension updateable (#175) (bace16d)
• manager: align project assignment payload limits (#217) (01f9b27)
• presentation: restore project message rendering (#216) (40cb1a2)
• preserve semantic result refs across handoffs (#211) (5a29780)

Refactoring

• coordination: make managed Leads orchestration-first (#224) (85a4ddf)
• manager: make project lifecycle manager-owned (#196) (156b1c6)
• manager: retire project work on worktree removal (#226) (ad403ad)
• manager: split staff_delegate and staff_resume (#220) (382a188), closes #197

Documentation

• add community discussions link (98e5bf8)
• adr: preserve prompt-cache continuity and pre-compaction retirement (#191) (464b3d6)
• backfill architecture decisions (#188) (d35eb33)
• establish architecture decision records (#186) (7c7ecda)
• install dependencies before local validation (#212) (3e7692b)
• prefer positive steering in agent instructions (#193) (077366b)
• redesign README and documentation architecture (#182) (a209ff7)

Tests

• harden live smoke against stalls and transient observations (#210) (e9a4766)

Other Changes

• deps: update supported Pi runtime to 0.99.2 (#194) (a6e07e1)
• deps: update supported Pi runtime to 1.0.0 (#209) (9015413)

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[github-actions]

🤖 Created releases:

• v0.19.0

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