refactor: rename Planarchy to CapaKraken (branding only)

User-facing rename across 20 files:
- Layout title/meta: "CapaKraken — Resource & Capacity Planning"
- Sidebar logo: "CapaKraken" with "RESOURCE & CAPACITY PLANNING"
- Sign-in page: "CapaKraken Control Center", "Sign in to CapaKraken"
- PWA manifest: name + short_name
- PDF reports: footer text
- Install prompt: "Install CapaKraken"
- AI assistant system prompt
- Webhooks test payload
- Email subject lines
- Tooltips, descriptions, empty states

NOT changed (technical identifiers):
- Package names (@planarchy/*)
- Import paths
- Database names
- Docker container names
- localStorage keys
- Domain URLs
- CLAUDE.md

Co-Authored-By: claude-flow <ruv@ruv.net>

apps/web/src/components/resources/SkillMatrixUpload.tsx

@@ -169,7 +169,7 @@ export function SkillMatrixUpload({ resourceId, isOwner, onClose, onSuccess }: P
 
               {preview.matchedRoleName && (
                 <p className="text-xs text-gray-600">
-                  <span className="font-medium">Area of expertise</span> matched to plANARCHY role:{" "}
+                  <span className="font-medium">Area of expertise</span> matched to CapaKraken role:{" "}
                   <span className="font-semibold text-brand-700">{preview.matchedRoleName}</span>
                 </p>
               )}