fix: Show conflict resolution agents in HQ dashboard

getHeadquartersDashboard had no section for active conflict agents,
so initiatives with a running conflict-* agent disappeared from all
HQ sections. Add resolvingConflicts array to surface them.

docs/frontend.md

@@ -43,6 +43,7 @@ Use `mapEntityStatus(rawStatus)` from `StatusDot.tsx` to convert raw entity stat
 | Route | Component | Purpose |
 |-------|-----------|---------|
 | `/` | `routes/index.tsx` | Dashboard / initiative list |
+| `/hq` | `routes/hq.tsx` | Headquarters — action items requiring user attention |
 | `/initiatives/$id` | `routes/initiatives/$initiativeId.tsx` | Initiative detail (tabbed) |
 | `/agents` | `routes/agents.tsx` | Agent list with Output / Details tab panel |
 | `/settings` | `routes/settings/index.tsx` | Settings page |