chore: update state files for T04 completion

.a0/current_status.md

@@ -1,26 +1,28 @@
 # LeoCRM — Current Status
 **Phase**: 3 (Implementation)
 **Plan Mode**: implementation_allowed
-**Last completed**: T11 — Tags Plugin + Permissions Plugin + Entity Links Backend (commit 5d18507, pushed to Forgejo)
+**Last completed**: T04 — DMS Plugin Backend (commit fdb41da, pushed to Forgejo)
 **Date**: 2026-06-29
 
 ## 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) ✅
 - 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 ✅
 
-## T11 Verification
-- 68 tests pass (3 test files: test_tags.py, test_permissions.py, test_entity_links.py)
-- Coverage: 66.61% (remaining gaps are dead code — Pydantic schema validation handles before route)
-- 26 files changed, +2863 lines
-- Pushed to Forgejo: 5d18507
+## 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)
+- 0 ruff errors, ruff format clean
+- Pushed to Forgejo: fdb41da
 
 ## Next Candidates
-- T04: DMS Plugin Backend (prerequisite for T08a)
-- T05: Calendar Plugin Backend (prerequisite for T08b)
-- T06: Mail Plugin Backend (prerequisite for T08c)
+- 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)