chore: sync various improvements and fixes

- Update gitignore and serena config
- Improve connection and voting stores
- Enhance admin routes and socket handling
- Update client-screen views
- Add auth middleware

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

packages/shared/src/types/admin.types.ts

@@ -69,7 +69,6 @@ export interface VotingProgram {
 export interface VoteStamp {
   id: string;
   userName: string;
-  department: string;
   ticketType: string;
   x: number;                            // 随机 X 位置 (0-100%)
   y: number;                            // 随机 Y 位置 (0-100%)

packages/shared/src/types/socket.types.ts

@@ -83,7 +83,6 @@ export interface DrawFilters {
 export interface JoinPayload {
   userId: string;
   userName: string;
-  department?: string;
   role: UserRole;
   sessionToken?: string;
 }
@@ -192,10 +191,11 @@ export interface InterServerEvents {
 export interface SocketData {
   userId: string;
   userName: string;
-  department: string;
   role: UserRole;
   connectedAt: Date;
   sessionId: string;
+  sessionToken?: string;
+  authenticated?: boolean;
 }
 
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