emrg: bump v0.2.21 — GUI multi-session (cross-project) release (rant 2026-08-10T20:02:04)

[argszero]

Version bump 0.2.20 → 0.2.21 for the GUI multi-session (cross-project) release.

Contents since v0.2.20 (28 commits on master):

• GUI multi-session (cross-project) — the core feature of this release (rant 2026-08-10T15:07:19, P1-P6 ALL MERGED):
  • emrg: daemon remove_project command (GUI multi-session rant P1) #619 daemon remove_project command (P1)
  • emrg: DaemonClient ensureConnected skipStart option (GUI multi-session rant P2 first slice) #623/emrg: ConnManager open/close/get — GUI multi-session rant P2 slice 2 #624/emrg: DaemonClient per-connection delta batching (GUI multi-session rant P2 slice 3) #626/emrg: ConnManager daemon restart recovery (GUI multi-session rant P2 slice 4) #627/emrg: GUI main.js rewire to ConnManager — P2 per-session connections (GUI multi-session rant P2) #629 ConnManager: per-session independent connections, delta batching, restart recovery, main.js rewire (P2)
  • emrg: GUI renderer per-session chat state isolation — P3 slice 0 (GUI multi-session rant P3) #630/emrg: GUI renderer sessionsBySid state table — P3 slice 1 (GUI multi-session rant P3) #632/emrg: GUI per-session chat-view containers — P3 slice 2 (GUI multi-session rant P3) #634/emrg: GUI disconnected event per-sid isolation — P3 finalize (GUI multi-session rant P3) #636 renderer per-session state/containers + disconnected per-sid isolation (P3)
  • emrg: GUI open-sessions state + gui_state.json persistence — P4 slice 1 (GUI multi-session rant P4) #637/emrg: GUI open-sessions sidebar + gui_state restore — P4 slice 2 (GUI multi-session rant P4) #639 open-sessions sidebar + gui_state.json persistence/restore (P4)
  • emrg: GUI open-session dialog (project→session) — P5 slice 1 (GUI multi-session rant P5) #641/emrg: GUI new-session dialog + delete-project protected guard — P5 slice 2 (GUI multi-session rant P5) #642 open/new-session dialogs + delete-project protected guard (P5)
  • emrg: GUI multi-session P6 finalize — cancel-before-close + cap-20 prompt + projectPath validation #643/emrg: GUI multi-session acceptance completion — project activity ordering + model_set idempotency test #644 P6 finalize: cancel-before-close + cap-20 + projectPath validation + acceptance ordering/model_set idempotency
  • emrg: GUI project-row recent-activity hints (relTime + latest_session_at) — P6 acceptance UX completion #646 project-row recent-activity hints (relTime + latest_session_at)
• emrg: evolution_prompt — CI-check pre-LGTM gate #645 evolution_prompt CI-check pre-LGTM gate
• quick-ref entries (emrg: evolution_prompt quick-ref — add #619 remove_project entry #622/emrg: evolution_prompt quick-ref — add #623/#624 P2 connection-layer entries #625/emrg: evolution_prompt quick-ref — add #626/#627 P2 connection-layer entries #628/emrg: evolution_prompt quick-ref — add #629/#630 P2 completion + P3 slice 0 entries #631/emrg: evolution_prompt quick-ref — add #632 P3 slice 1 sessionsBySid entry #633/emrg: evolution_prompt quick-ref — add #634 P3 slice 2 per-session chat-view containers entry #635/emrg: evolution_prompt quick-ref — add #636 P3 finalize + #637 P4 slice 1 entries #638/emrg: evolution_prompt quick-ref — add #639 P4 slice 2 sidebar entry #640)

Files bumped (same 7-file set as previous bumps): pyproject.toml, emrg/init.py, emrg/gui/package.json, emrg/gui/package-lock.json, packaging/build-runtime.sh, packaging/make-installer.sh, uv.lock.

Verification: pytest 681 ✓, GUI 178/178 ✓, import ✓.

Release flow after merge: tag v0.2.21 → push → Build Release (macOS signing + notarization) → Releases assets (incl. Windows x64 installer).

[argszero]

✅ LGTM — cycle

Verified locally:

• 7-file version bump 0.2.20 → 0.2.21, all consistent (emrg/init.py, pyproject.toml, uv.lock, GUI package.json + package-lock.json, packaging fallback versions in build-runtime.sh + make-installer.sh)
• No CI/workflow or verification-logic changes → no actionlint required
• PR body documents 28 commits since v0.2.20 (GUI multi-session P1–P6, #619–#646) and release flow
• CI (test) passed on feature/bump-v0.2.21 — run 31386397127 SUCCESS

[pm25coder]

Tested this PR end-to-end on Windows (local branch @ 9e2c4dc, base 7f70962):

[argszero]

✅ LGTM — cycle (2/3)

Re-verified: head 9e2c4dc unchanged since first LGTM; CI still SUCCESS (run 31386397127); mergeable. pm25coder's Windows end-to-end test note confirms the bump is functional.

[argszero]

✅ LGTM — cycle (3/3)

Third consecutive approval from a different cycle (R487, R488, R489). Head 9e2c4dc unchanged; CI SUCCESS (run 31386397127); mergeable. Merging.