chore: update state files for T05 completion

.a0/current_status.md

@@ -1,28 +1,29 @@
 # LeoCRM — Current Status
 **Phase**: 3 (Implementation)
 **Plan Mode**: implementation_allowed
-**Last completed**: T04 — DMS Plugin Backend (commit fdb41da, pushed to Forgejo)
-**Date**: 2026-06-29
+**Last completed**: T05 — Calendar Plugin Backend (commit 7fbeeda, pushed to Forgejo)
+**Date**: 2026-06-30
 
 ## Completed Tasks
 - T01: Core Infrastructure + Multi-Tenant + Auth System ✅
 - T02: Company + Contact + Import/Export System ✅
 - T03: Plugin System Framework ✅
 - T04: DMS Plugin Backend (Folders, Files, Preview, OnlyOffice, Shares, Search, Bulk) ✅
+- T05: Calendar Plugin Backend (Appointments, Tasks, Kanban, ICS, Resources, Recurrence) ✅
 - T07a: Frontend Core SPA — Shell, Auth, Routing, i18n, UI Library ✅
 - T07b: Frontend Feature Pages — Companies, Contacts, Settings, Audit, Dashboard, Search ✅
 - T09: KI-Copilot API + Hybrid Workflow Engine Backend ✅
 - T11: Tags Plugin + Permissions Plugin + Entity Links Backend ✅
 
-## T04 Verification
-- 106 DMS tests pass (27 AC + 38 error-path + 41 coverage)
-- Coverage: 97.90% (routes.py 97.56%)
-- 412 total tests pass (full regression, 0 failures)
+## T05 Verification
+- 69 calendar tests pass (33 AC integration + 36 recurrence unit)
+- Coverage: 86.87% (routes.py 82.33%, recurrence.py 90.43%, ics_utils.py 75.21%)
+- 481 total tests pass (full regression, 0 failures)
 - 0 ruff errors, ruff format clean
-- Pushed to Forgejo: fdb41da
+- Pushed to Forgejo: 7fbeeda
 
 ## Next Candidates
-- T05: Calendar Plugin Backend (Appointments, Tasks, Kanban, Resources, ICS)
 - T06: Mail Plugin Backend (IMAP/SMTP, Threading, Templates, Rules, PGP)
-- T10: Monitoring, Performance, Documentation
 - T08a: DMS Frontend (prerequisite T04 ✅ — now unblocked)
+- T08b: Calendar Frontend (prerequisite T05 ✅ — now unblocked)
+- T10: Monitoring, Performance, Documentation