Improve SSH agent approval dialog UX

- Prevent accidental dismissal by disabling backdrop click (disableClose)
- Add 1.5s delay before Authorize button becomes clickable
- Fix Deny button to properly close dialog with false result

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

apps/desktop/src/platform/components/approve-ssh-request.html

@@ -13,10 +13,16 @@
       {{ "sshkeyApprovalMessageSuffix" | i18n }} {{ params.action | i18n }}
     </div>
     <ng-container bitDialogFooter>
-      <button type="submit" bitButton bitFormButton buttonType="primary">
+      <button
+        type="submit"
+        bitButton
+        bitFormButton
+        buttonType="primary"
+        [disabled]="!authorizeEnabled"
+      >
         <span>{{ "authorize" | i18n }}</span>
       </button>
-      <button type="button" bitButton bitFormButton buttonType="secondary" bitDialogClose>
+      <button type="button" bitButton bitFormButton buttonType="secondary" (click)="deny()">
         {{ "deny" | i18n }}
       </button>
     </ng-container>

apps/desktop/src/platform/components/approve-ssh-request.ts

@@ -1,5 +1,5 @@
 import { CommonModule } from "@angular/common";
-import { Component, Inject } from "@angular/core";
+import { Component, Inject, OnInit } from "@angular/core";
 import { FormBuilder, ReactiveFormsModule } from "@angular/forms";
 
 import { JslibModule } from "@bitwarden/angular/jslib.module";
@@ -39,8 +39,11 @@ export interface ApproveSshRequestParams {
     CalloutModule,
   ],
 })
-export class ApproveSshRequestComponent {
+export class ApproveSshRequestComponent implements OnInit {
   approveSshRequestForm = this.formBuilder.group({});
+  authorizeEnabled = false;
+
+  private static readonly AUTHORIZE_DELAY_MS = 1500;
 
   constructor(
     @Inject(DIALOG_DATA) protected params: ApproveSshRequestParams,
@@ -48,6 +51,12 @@ export class ApproveSshRequestComponent {
     private formBuilder: FormBuilder,
   ) {}
 
+  ngOnInit(): void {
+    setTimeout(() => {
+      this.authorizeEnabled = true;
+    }, ApproveSshRequestComponent.AUTHORIZE_DELAY_MS);
+  }
+
   static open(
     dialogService: DialogService,
     cipherName: string,
@@ -69,10 +78,15 @@ export class ApproveSshRequestComponent {
         isAgentForwarding,
         action: actioni18nKey,
       },
+      disableClose: true,
     });
   }
 
   submit = async () => {
     this.dialogRef.close(true);
   };
+
+  deny(): void {
+    this.dialogRef.close(false);
+  }
 }