feat: keyboard shortcuts for approvals (#869)

* wip

* cmd click shortcut to deny approval

* cleaner type

* show percentage in progress bar

* improve structure of PendingApprovalComponent

* enter to approve request

* disable kanban scope

* fix approval scope selection

frontend/src/keyboard/registry.ts

@@ -4,6 +4,7 @@ export enum Scope {
   KANBAN = 'kanban',
   PROJECTS = 'projects',
   EDIT_COMMENT = 'edit-comment',
+  APPROVALS = 'approvals',
 }
 
 export enum Action {
@@ -19,6 +20,8 @@ export enum Action {
   SHOW_HELP = 'show_help',
   TOGGLE_FULLSCREEN = 'toggle_fullscreen',
   DELETE_TASK = 'delete_task',
+  APPROVE_REQUEST = 'approve_request',
+  DENY_APPROVAL = 'deny_approval',
 }
 
 export interface KeyBinding {
@@ -148,6 +151,22 @@ export const keyBindings: KeyBinding[] = [
     description: 'Delete selected task',
     group: 'Task Details',
   },
+
+  // Approval actions
+  {
+    action: Action.APPROVE_REQUEST,
+    keys: 'enter',
+    scopes: [Scope.APPROVALS],
+    description: 'Approve pending approval request',
+    group: 'Approvals',
+  },
+  {
+    action: Action.DENY_APPROVAL,
+    keys: ['meta+enter', 'ctrl+enter'],
+    scopes: [Scope.APPROVALS],
+    description: 'Deny pending approval request',
+    group: 'Approvals',
+  },
 ];
 
 /**