chore: archive v1.1 audit and add tech debt to Phase 11

Archived:
- milestones/v1.1/v1.1-MILESTONE-AUDIT.md
- milestones/v1.1/INTEGRATION-CHECK.md

Updated:
- ROADMAP.md: Added v1.1 tech debt to Phase 11
- STATE.md: Updated with tech debt tracking

Tech debt items added to Phase 11:
- README.md documentation (still shows direct socket)
- Duplicate --max-time flags in image pull
- Update flow duplication between single/batch paths

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

.planning/ROADMAP.md

@@ -32,7 +32,7 @@ Plans:
 
 ### Phase 11: Polish & Audit
 
-**Goal:** Clear Unraid update badges, fix webhook issues, and verify environment configuration
+**Goal:** Clear Unraid update badges, fix webhook issues, verify environment configuration, and address v1.1 tech debt
 
 **Dependencies:** Phase 10 (modularization complete before polish)
 
@@ -49,6 +49,11 @@ Plans:
 3. Documentation clarifies whether TELEGRAM_BOT_TOKEN env var is required or if n8n credential suffices
 4. Telegram webhook works when workflow is published (bot responds without manual execute)
 
+**Tech Debt from v1.1 (to address):**
+- README.md lines 14-34: Still documents direct docker.sock mounting (should document proxy architecture)
+- Duplicate --max-time flags in image pull command (600 then 5, last wins — should keep only 600s)
+- Update flow duplicated between single and batch paths (consolidation opportunity)
+
 ---
 
 ### Phase 12: Documentation Overhaul