docs: start milestone v1.4 Unraid API Native

.planning/PROJECT.md

@@ -51,11 +51,16 @@ When you get a container update notification or notice a service is down, you ca
 
 ### Active
 
-**v1.4: Unraid API Native (planned)**
-- [ ] Replace Docker socket proxy with Unraid GraphQL API for all container operations
-- [ ] Remove docker-socket-proxy container dependency
-- [ ] Container updates via Unraid API (naturally resolves badge sync problem)
-- [ ] Documentation covers full Unraid API setup and migration
+## Current Milestone: v1.4 Unraid API Native
+
+**Goal:** Replace Docker socket proxy with Unraid's GraphQL API for all container operations, remove all proxy artifacts, and update documentation.
+
+**Target features:**
+- All container operations via Unraid GraphQL API (status, start, stop, restart, update, logs)
+- Remove docker-socket-proxy references from workflows, credentials, and n8n container config
+- Clean up all proxy-related artifacts (nodes, variables, network references)
+- Documentation fully updated for Unraid API-native architecture (README, ARCHITECTURE.md, CLAUDE.md)
+- Migration/cleanup instructions for removing the proxy container
 
 ### Out of Scope
 
@@ -69,6 +74,7 @@ When you get a container update notification or notice a service is down, you ca
 ## Current State
 
 **Shipped:** v1.3 (2026-02-09)
+**Building:** v1.4 Unraid API Native
 **Tech stack:** n8n workflow + Telegram Bot API + Docker socket proxy + Unraid GraphQL API
 **Architecture:** 1 main workflow (169 nodes) + 7 sub-workflows (121 nodes) = 290 total nodes
 **Files:** 8 workflow JSON files (~11K LOC), README.md, ARCHITECTURE.md
@@ -128,4 +134,4 @@ When you get a container update notification or notice a service is down, you ca
 | Descope v1.3 to Phase 14 only | Phases 15-16 superseded by v1.4 Unraid API Native approach | ✓ Good |
 
 ---
-*Last updated: 2026-02-09 after v1.3 milestone shipped*
+*Last updated: 2026-02-09 after v1.4 milestone started*