AI Implementation feature(821): First-Start Create Admin Modal (#2)

frontend/src/app/core/services/bootstrap.service.ts

@@ -1,4 +1,10 @@
-import { Injectable, signal } from '@angular/core';
+import { Injectable, signal, computed } from '@angular/core';
+
+export interface PasswordPolicyInfo {
+  minLength: number;
+  requireMixed: boolean;
+  description: string;
+}
 
 export interface BootstrapPayload {
   initialized: boolean;
@@ -8,12 +14,22 @@ export interface BootstrapPayload {
   theme: any;
   defaultChallengeIp: string;
   registrationsEnabled: boolean;
+  passwordPolicy: PasswordPolicyInfo;
 }
 
+const DEFAULT_POLICY: PasswordPolicyInfo = {
+  minLength: 12,
+  requireMixed: true,
+  description: 'At least 12 characters with upper, lower, digit and symbol',
+};
+
 @Injectable({ providedIn: 'root' })
 export class BootstrapService {
   readonly payload = signal<BootstrapPayload | null>(null);
   readonly initialized = signal<boolean>(false);
+  readonly passwordPolicy = computed<PasswordPolicyInfo>(
+    () => this.payload()?.passwordPolicy ?? DEFAULT_POLICY,
+  );
 
   async load(): Promise<BootstrapPayload | null> {
     try {
@@ -29,6 +45,10 @@ export class BootstrapService {
     }
   }
 
+  markInitialized(): void {
+    this.initialized.set(true);
+  }
+
   private applyTheme(theme: any): void {
     if (!theme?.tokens) return;
     const root = document.documentElement.style;