fix(CalendarSync): replace window.confirm() with inline confirmation and rename file

- Replace blocking window.confirm() with showRevokeConfirm state + inline
  confirmation dialog in CalendarSyncSection
- Rename CalendarSync.tsx to CalendarSyncSection.tsx to match export convention

Co-Authored-By: Paperclip <noreply@paperclip.ing>

apps/web/src/components/CalendarSyncSection.tsx

@@ -12,6 +12,7 @@ export function CalendarSyncSection({ staffId }: Props) {
   const [actionLoading, setActionLoading] = useState<"generate" | "revoke" | null>(null);
   const [error, setError] = useState<string | null>(null);
   const [copied, setCopied] = useState(false);
+  const [showRevokeConfirm, setShowRevokeConfirm] = useState(false);
 
   useEffect(() => {
     fetchToken();
@@ -51,7 +52,8 @@ export function CalendarSyncSection({ staffId }: Props) {
   }
 
   async function revokeToken() {
-    if (!confirm("Revoke your calendar feed link? Anyone with the current link will lose access.")) {
+    if (!showRevokeConfirm) {
+      setShowRevokeConfirm(true);
       return;
     }
     setActionLoading("revoke");
@@ -67,6 +69,7 @@ export function CalendarSyncSection({ staffId }: Props) {
       setError(e instanceof Error ? e.message : "Failed to revoke token");
     } finally {
       setActionLoading(null);
+      setShowRevokeConfirm(false);
     }
   }
 
@@ -120,32 +123,59 @@ export function CalendarSyncSection({ staffId }: Props) {
             </div>
           </div>
 
-          <div className="flex gap-2">
+          {showRevokeConfirm ? (
-            <button
+            <div className="flex items-center gap-3 p-3 bg-red-50 border border-red-200 rounded-lg">
-              onClick={generateToken}
+              <p className="flex-1 text-sm text-red-700">
-              disabled={actionLoading !== null}
+                Revoke your calendar feed link? Anyone with the current link will lose access.
-              className="flex items-center gap-1.5 px-3 py-2 bg-(--color-accent) text-white rounded-lg text-sm font-medium hover:bg-(--color-accent-hover) disabled:opacity-50"
+              </p>
-            >
+              <button
-              {actionLoading === "generate" ? (
+                onClick={revokeToken}
-                <RefreshCw size={14} className="animate-spin" />
+                disabled={actionLoading !== null}
-              ) : (
+                className="flex items-center gap-1.5 px-3 py-1.5 bg-red-600 text-white rounded-lg text-sm font-medium hover:bg-red-700 disabled:opacity-50"
-                <RefreshCw size={14} />
+              >
-              )}
+                {actionLoading === "revoke" ? (
-              Regenerate
+                  <RefreshCw size={14} className="animate-spin" />
-            </button>
+                ) : (
-            <button
+                  <Trash2 size={14} />
-              onClick={revokeToken}
+                )}
-              disabled={actionLoading !== null}
+                Revoke
-              className="flex items-center gap-1.5 px-3 py-2 border border-red-200 rounded-lg text-sm text-red-600 hover:bg-red-50 disabled:opacity-50"
+              </button>
-            >
+              <button
-              {actionLoading === "revoke" ? (
+                onClick={() => setShowRevokeConfirm(false)}
-                <RefreshCw size={14} className="animate-spin" />
+                disabled={actionLoading !== null}
-              ) : (
+                className="px-3 py-1.5 border border-stone-200 rounded-lg text-sm text-stone-600 hover:bg-stone-50 disabled:opacity-50"
-                <Trash2 size={14} />
+              >
-              )}
+                Cancel
-              Revoke
+              </button>
-            </button>
+            </div>
-          </div>
+          ) : (
+            <div className="flex gap-2">
+              <button
+                onClick={generateToken}
+                disabled={actionLoading !== null}
+                className="flex items-center gap-1.5 px-3 py-2 bg-(--color-accent) text-white rounded-lg text-sm font-medium hover:bg-(--color-accent-hover) disabled:opacity-50"
+              >
+                {actionLoading === "generate" ? (
+                  <RefreshCw size={14} className="animate-spin" />
+                ) : (
+                  <RefreshCw size={14} />
+                )}
+                Regenerate
+              </button>
+              <button
+                onClick={revokeToken}
+                disabled={actionLoading !== null}
+                className="flex items-center gap-1.5 px-3 py-2 border border-red-200 rounded-lg text-sm text-red-600 hover:bg-red-50 disabled:opacity-50"
+              >
+                {actionLoading === "revoke" ? (
+                  <RefreshCw size={14} className="animate-spin" />
+                ) : (
+                  <Trash2 size={14} />
+                )}
+                Revoke
+              </button>
+            </div>
+          )}
 
           <p className="text-xs text-stone-400">
             Regenerating will create a new URL and invalidate the old one.