docs: add comprehensive code comments, update README and TASKS, create training and troubleshooting guides

- Add JSDoc comments to API routes and business logic functions
- Update README.md with Phase 2 status and deployment/production notes
- Enhance TASKS.md with estimated timelines and dependencies
- Create docs/STAFF_TRAINING.md for team onboarding
- Create docs/CLIENT_ONBOARDING.md for customer experience
- Create docs/OPERATIONAL_PROCEDURES.md for daily operations
- Create docs/TROUBLESHOOTING.md for common setup issues
- Fix TypeScript errors in hq/page.tsx

app/api/aperture/permissions/route.ts

@@ -37,6 +37,9 @@ const mockPermissions = [
   }
 ]
 
+/**
+ * @description Retrieves permissions data for different roles
+ */
 export async function GET() {
   return NextResponse.json({
     success: true,
@@ -44,6 +47,9 @@ export async function GET() {
   })
 }
 
+/**
+ * @description Toggles a specific permission for a role
+ */
 export async function POST(request: NextRequest) {
   const { roleId, permId } = await request.json()