Move delete button from table to edit modal

- Delete button now appears in the edit modal footer (left side)
- Cleaner table layout with just Test and Edit buttons
- Delete button only shows when editing existing sources

CHANGELOG.md

@@ -16,6 +16,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Clicking red dot shows error details in a modal (#107)
 - Source name column no longer wraps text for better table layout (#107)
 - Renamed "Cache Management" page to "Upstream Sources" (#107)
+- Moved Delete button from table row to edit modal for cleaner table layout (#107)
 
 ### Removed
 - Removed `is_public` field from upstream sources - all sources are now treated as internal/private (#107)

frontend/src/pages/AdminCachePage.css

@@ -340,9 +340,14 @@
 
 .form-actions {
   display: flex;
-  justify-content: flex-end;
-  gap: 0.5rem;
+  justify-content: space-between;
+  align-items: center;
   margin-top: 1.5rem;
   padding-top: 1rem;
   border-top: 1px solid var(--border-color);
 }
+
+.form-actions-right {
+  display: flex;
+  gap: 0.5rem;
+}

frontend/src/pages/AdminCachePage.tsx

@@ -324,18 +324,9 @@ function AdminCachePage() {
                       Test
                     </button>
                     {source.source !== 'env' && (
-                      <>
                       <button className="btn btn-sm" onClick={() => openEditForm(source)}>
                         Edit
                       </button>
-                        <button
-                          className="btn btn-sm btn-danger"
-                          onClick={() => handleDelete(source)}
-                          disabled={deletingId === source.id}
-                        >
-                          {deletingId === source.id ? 'Deleting...' : 'Delete'}
-                        </button>
-                      </>
                     )}
                   </td>
                 </tr>
@@ -471,6 +462,20 @@ function AdminCachePage() {
               )}
 
               <div className="form-actions">
+                {editingSource && (
+                  <button
+                    type="button"
+                    className="btn btn-danger"
+                    onClick={() => {
+                      handleDelete(editingSource);
+                      setShowForm(false);
+                    }}
+                    disabled={deletingId === editingSource.id}
+                  >
+                    {deletingId === editingSource.id ? 'Deleting...' : 'Delete'}
+                  </button>
+                )}
+                <div className="form-actions-right">
                   <button type="button" className="btn" onClick={() => setShowForm(false)}>
                     Cancel
                   </button>
@@ -478,6 +483,7 @@ function AdminCachePage() {
                     {isSaving ? 'Saving...' : editingSource ? 'Update' : 'Create'}
                   </button>
                 </div>
+              </div>
             </form>
           </div>
         </div>