🤲 a11y: Sidebar Text Contrast (#3665)

* fix: use theme class for valid contrast for light/dark, conversation group names, fix type issues

* fix: searchbar text contrast styling, closes #3469

* style: add theming for prompt cards, fix a11y contrast issues

* a11y: address placeholder text contrast issues in LLM controls section

* chore: Add conditional check for pull request repository in a11y workflow

* style: Update text color contrast to WCAG standard for placeholder and focus states in AssistantPanel components

.github/workflows/a11y.yml

@@ -4,15 +4,23 @@ on:
   pull_request:
     paths:
       - 'client/src/**'
+  workflow_dispatch:
+    inputs:
+      run_workflow:
+        description: 'Set to true to run this workflow'
+        required: true
+        default: 'false'
 
 jobs:
   axe-linter:
     runs-on: ubuntu-latest
-    if: github.event.pull_request.head.repo.full_name == 'danny-avila/LibreChat'
+    if: >
+      (github.event_name == 'pull_request' && github.event.pull_request.head.repo.full_name == 'danny-avila/LibreChat') ||
+      (github.event_name == 'workflow_dispatch' && github.event.inputs.run_workflow == 'true')
     
     steps:
       - uses: actions/checkout@v4
       - uses: dequelabs/axe-linter-action@v1
         with:
           api_key: ${{ secrets.AXE_LINTER_API_KEY }}
-          github_token: ${{ secrets.GITHUB_TOKEN }}
+          github_token: ${{ secrets.GITHUB_TOKEN }}