feat: add CFCFRMS module, bank menus, mock backend, and dashboard redesign

- CFCFRMS cyber fraud complaint management with dashboard, complaints,
  escalation, report suspect/mule/fraud txn, FMR submission, CFR lookup
- Mock HTTP interceptor with 20 dummy complaints and all endpoints
- Simulator service for I4C/MHA integration testing
- 3-row menu bar with 22 items (7+8+8 layout)
- Mega menus for General Ledger, Sub Ledger, Deposits, Share, Others,
  HRM, RBI with search and grouped columns
- Dropdowns for Cashier, Clearing, NPA, CKYC, Advances, Letter Mgmt,
  Insurance, Digital
- Dashboard redesign with regulatory, financial health, deposits,
  risk/NPA sections using static banking data
- All translations added to en-US.json
- FontAwesome icons registered for all new menu items

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/main.scss

@@ -33,6 +33,44 @@
   z-index: 9999;
 }
 
+// ===== Sub-menu Mega Panels (rendered in CDK overlay) =====
+.deposits-mega-panel,
+.hrm-mega-panel {
+  max-width: 700px !important;
+}
+
+.share-mega-panel,
+.others-mega-panel {
+  max-width: 850px !important;
+}
+
+.share-grid,
+.others-grid {
+  grid-template-columns: repeat(4, 1fr) !important;
+}
+
+.others-grid,
+.npa-grid {
+  grid-template-columns: repeat(3, 1fr) !important;
+}
+
+.npa-mega-panel,
+.advances-mega-panel {
+  max-width: 800px !important;
+}
+
+.advances-grid {
+  grid-template-columns: repeat(3, 1fr) !important;
+}
+
+.letter-mega-panel {
+  max-width: 850px !important;
+}
+
+.letter-grid {
+  grid-template-columns: repeat(4, 1fr) !important;
+}
+
 // ===== Material Select Panel Styles (Material Design 3) =====
 .mat-mdc-select-panel {
   background: var(--md-sys-color-surface-container, #fff);