Integrate authInterceptor for JWT handling, update API schema with bearerAuth security, and refactor configuration to support HTTP interceptors.

frontend/src/app/services/AuthInterceptor.ts

@@ -0,0 +1,19 @@
+import {HttpInterceptorFn} from '@angular/common/http';
+import {inject} from '@angular/core';
+import {AuthService} from '@services/auth.service';
+
+export const authInterceptor: HttpInterceptorFn = (req, next) => {
+  const authService = inject(AuthService);
+  const jwt = authService.getJwt();
+
+  if (jwt) {
+    const authReq = req.clone({
+      setHeaders: {
+        Authorization: `Bearer ${jwt}`
+      }
+    });
+    return next(authReq);
+  }
+
+  return next(req);
+};