Port modular features into boursecu and fix desktop login UX.

Add support chat, piggy funds, PWA banner, notification/SSE sync, and messenger legacy guards while keeping boursecu theme; also balance login panels and unblock login navigation.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/models/fund.ts

@@ -1,16 +1,19 @@
 import type {Wallet} from '@/models/wallet';
+import type {Product} from '@/models/products';
 
 export interface Fund {
     id?: number,
     title?: string,
     file_id?: number,
     customer_id?: number,
+    product_id?: number,
     created_at?: string,
     updated_at?: string,
     deleted_at?: string,
-    wallet?: Wallet[] | Wallet
+    wallet?: Wallet[] | Wallet,
+    product?: Product,
 }
 export interface FundTransaction {
     fund_id?: number
     value?: number
-}
+}

src/models/login.ts

@@ -52,6 +52,9 @@ export interface User {
 
   finger_print: boolean
   gold: number;
+  chat_room_id?: string | null
+  chat_user_id?: string | null
+  settings?: Array<{ key?: string; value?: string | number }>
 }
 
 export interface Login {

src/models/support.ts

@@ -0,0 +1,77 @@
+export type ChatAttachmentType = 'image' | 'audio'
+
+export type ChatMessageSender = 'user' | 'support' | 'admin'
+
+export type ChatMessageStatus = 'sending' | 'sent' | 'seen' | 'failed'
+
+export type ChatAttachment = {
+  id: string
+  type: 'image' | 'audio'
+  url: string
+  name?: string
+  size?: number
+  mimeType?: string
+  durationMs?: number
+  file?: File
+  uploading?: boolean
+  uploadProgress?: number
+}
+
+export type ChatReplyPreview = {
+  id: string
+  sender: string
+  text?: string
+  attachment?: {
+    type: 'image' | 'audio'
+    url: string
+    name?: string
+  } | null
+}
+
+export interface ChatMessage {
+  id: string
+  text?: string
+  sender: 'user' | 'support'
+  createdAt: string
+  createdAtRaw?: string | number | Date | null
+  status?: 'sending' | 'sent' | 'seen'
+  attachments?: ChatAttachment[]
+
+  // reply
+  reply?: string | null
+  replyTo?: ChatReplyPreview | null
+}
+
+export type ComposerSendPayload = {
+  text: string
+  attachments: ChatAttachment[]
+  reply?: string | null
+  replyTo?: ChatReplyPreview | null
+}
+
+
+export interface SupportMessage {
+  id: string
+  sender: 'user' | 'admin'
+  text?: string
+  createdAt: string
+  createdAtRaw?: string | number | Date | null
+  status?: ChatMessageStatus
+  attachments?: ChatAttachment[]
+
+  // reply
+  reply?: string | null
+  replyTo?: ChatReplyPreview | null
+}
+
+export interface SupportConversation {
+  id: string
+  userName: string
+  avatar: string
+  online: boolean
+  unreadCount: number
+  lastSeenText: string
+  lastMessagePreview: string
+  updatedAtText: string
+  messages: SupportMessage[]
+}