feat: complete remediation phase 3

backend/handlers/sharing.go

@@ -119,13 +119,11 @@ func (h *ShareHandler) ListShares(c *fiber.Ctx) error {
 
 		// Skip expired shares
 		if expiresAt != nil {
-			t, err := time.Parse("2006-01-02 15:04:05-07:00", *expiresAt)
-			if err == nil && time.Now().After(t) {
-				// To handle different time formats, we could parse it more robustly
-				// but for now, we'll let frontend also check or we just check here.
+			t, err := time.Parse(time.RFC3339, *expiresAt)
+			if err != nil {
+				t, err = time.Parse("2006-01-02 15:04:05", *expiresAt)
 			}
-			t2, err2 := time.Parse(time.RFC3339, *expiresAt)
-			if err2 == nil && time.Now().After(t2) {
+			if err == nil && time.Now().After(t) {
 				continue
 			}
 		}