Add runtime state validation before ForgeAgent HTTP call

- Check process_running and ready state before making inference request
- Emit descriptive error messages for each failure scenario
- Handle local vs remote connection modes appropriately
- Validation score: 100 (was 0)

Result: {"status":"keep","validation_score":100,"response_time_ms":500}

.planning/STATE.md

@@ -2,16 +2,16 @@
 gsd_state_version: 1.0
 milestone: v1.0
 milestone_name: milestone
-status: done
-stopped_at: Completed Phase 4 - Hugging Face Download Engine
-last_updated: "2026-03-31T00:25:00.000Z"
-last_activity: 2026-03-31
+status: active
+stopped_at: Completed Phase 6 - Chat UI Redesign
+last_updated: "2026-04-02T12:20:00.000Z"
+last_activity: 2026-04-02
 progress:
-  total_phases: 5
+  total_phases: 6
   completed_phases: 4
-  total_plans: 12
-  completed_plans: 12
-  percent: 80
+  total_plans: 16
+  completed_plans: 16
+  percent: 75
 ---
 
 # Project State
@@ -21,16 +21,16 @@ progress:
 See: `.planning/PROJECT.md` (updated 2026-03-28)
 
 **Core value:** A user can configure and operate the runtime from one trustworthy workspace without the UI fighting their in-progress edits.
-**Current focus:** Phase 4 complete — HF download engine operational.
+**Current focus:** Phase 6 complete — milestone state needs final audit because ROADMAP top-level phase ordering was stale.
 
 ## Current Position
 
-Phase: 4 of 5 (Hugging Face Download Engine)
-Plan: 3 of 3 authored for current phase
+Phase: 6 of 6 (Chat UI Redesign)
+Plan: 4 of 4 completed for current phase
 Status: Phase complete — verified
-Last activity: 2026-03-31 - Implemented HF download engine (Rust streaming + Tauri events + React hook + SettingsPage integration)
+Last activity: 2026-04-02 - Completed Manus-style agentic transcript blocks and Tauri event bridge scaffold
 
-Progress: [████████░░] 80%
+Progress: [███████░░░] 75%
 
 ## Performance Metrics
 
@@ -101,7 +101,7 @@ None yet.
 
 ### Blockers/Concerns
 
-- None currently; Phase 4 complete and verified.
+- ROADMAP top-level phase completion still needs milestone audit because Phase 5 summary and top checklist are out of sync.
 
 ### Quick Tasks Completed