chore: complete v1.1 milestone

Archived:
- milestones/v1.1-ROADMAP.md
- milestones/v1.1-REQUIREMENTS.md

Deleted (fresh for next milestone):
- REQUIREMENTS.md

Updated:
- MILESTONES.md (new v1.1 entry)
- PROJECT.md (requirements → Validated, updated current state)
- ROADMAP.md (v1.1 collapsed, v1.2 phases added)
- STATE.md (reset for v1.2)

v1.1 shipped: Inline keyboard UX and Docker security hardening
- Phases 6-9 complete (11 plans)
- 4 requirements deferred to v1.2 (UNR-01, ENV-01, ENV-02, WEB-01)

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

.planning/MILESTONES.md

@@ -1,5 +1,30 @@
 # Project Milestones: Unraid Docker Manager
 
+## v1.1 n8n Integration & Polish (Shipped: 2026-02-04)
+
+**Delivered:** Inline keyboard UX and Docker security hardening — button-driven container control with filtered socket proxy.
+
+**Phases completed:** 6-9 (11 plans total)
+
+**Key accomplishments:**
+- n8n API access for programmatic workflow management
+- Docker socket proxy deployment removing direct socket exposure
+- Inline keyboard with container list, pagination, and action buttons
+- Batch operations with sequential execution and progress feedback
+- Confirmation dialogs for dangerous actions (stop, update)
+
+**Stats:**
+- 38 files modified (+14,062/-4,239 lines)
+- 8,485 lines of JSON workflow
+- 4 phases, 11 plans
+- 2 days (2026-02-03 → 2026-02-04)
+
+**Git range:** `7e85697` → `fa7c603`
+
+**What's next:** v1.2 with workflow modularization, webhook fix, environment audit, and documentation.
+
+---
+
 ## v1.0 Docker Control via Telegram (Shipped: 2026-02-02)
 
 **Delivered:** Telegram bot for managing Docker containers on Unraid — status, start, stop, restart, update, logs via keyword commands.