docs: Mark LocalAI 3.9 upgrade complete in tracking files

- Update v0.18.0 checklist: LocalAI 3.9 done
- Add HISTORY entry for LocalAI v3.9.0 upgrade
- Update WIP.md progress table

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

.claude/HISTORY.md

@@ -229,3 +229,12 @@ _Last updated: 2026-02-05_
     - Added strategic reference to Fanzine v3 document.
     - Consolidated completed items under "Resolved" section.
     - Created version milestone checklists for tracking progress.
+
+27. **LocalAI Upgrade to v3.9.0 (2026-02-06)**
+    - Upgraded `secubox-app-localai` from v2.25.0 to v3.9.0.
+    - New features in v3.9.0:
+      - **Agent Jobs Panel**: Schedule and manage background agentic tasks via web UI and API
+      - **Memory Reclaimer**: LRU eviction for loaded models, automatic VRAM cleanup
+      - **VibeVoice backend**: New voice synthesis support
+    - Updated README with complete CLI reference, model presets table, API endpoints.
+    - Part of v0.18 AI Gateway roadmap (Couche 2).

.claude/TODO.md

@@ -158,7 +158,7 @@ All cloud providers are **opt-in**. Offline resilience: local tier always active
 
 ### v0.18.0 — MirrorBox Core v1.0
 
-- [ ] LocalAI upgrade → 3.9
+- [x] LocalAI upgrade → 3.9 (Done 2026-02-06)
 - [ ] MCP Server implementation
 - [ ] Threat Analyst agent
 - [ ] DNS Guard migration

.claude/WIP.md

@@ -74,9 +74,9 @@ _None currently active_
    - Migrate current `luci-app-dnsguard` to AI-powered agent
    - DNS anomaly detection with ML patterns
 
-4. **LocalAI Upgrade → 3.9**
-   - Update `secubox-app-localai` to version 3.9
-   - Add new model presets
+4. ~~**LocalAI Upgrade → 3.9**~~ — DONE (2026-02-06)
+   - Upgraded to v3.9.0 with Agent Jobs Panel and Memory Reclaimer
+   - Updated README with complete CLI reference and model presets
 
 ---
 
@@ -109,7 +109,7 @@ _None currently active_
 | MCP Server | TODO |
 | Threat Analyst | TODO |
 | DNS Guard migration | TODO |
-| LocalAI 3.9 | TODO |
+| LocalAI 3.9 | DONE |
 
 ### Certifications