refactor(api): return stable generic error messages for 5xx responses (#9669)

app/Http/Controllers/Api/DatabasesController.php

@@ -2332,7 +2332,7 @@ class DatabasesController extends Controller
         } catch (\Exception $e) {
             DB::rollBack();
 
-            return response()->json(['message' => 'Failed to delete backup: '.$e->getMessage()], 500);
+            return response()->json(['message' => 'Failed to delete backup.'], 500);
         }
     }
 
@@ -2452,7 +2452,7 @@ class DatabasesController extends Controller
                 'message' => 'Backup execution deleted.',
             ]);
         } catch (\Exception $e) {
-            return response()->json(['message' => 'Failed to delete backup execution: '.$e->getMessage()], 500);
+            return response()->json(['message' => 'Failed to delete backup execution.'], 500);
         }
     }
 

app/Http/Controllers/Api/HetznerController.php

@@ -121,7 +121,7 @@ class HetznerController extends Controller
 
             return response()->json($locations);
         } catch (\Throwable $e) {
-            return response()->json(['message' => 'Failed to fetch locations: '.$e->getMessage()], 500);
+            return response()->json(['message' => 'Failed to fetch Hetzner locations.'], 500);
         }
     }
 
@@ -242,7 +242,7 @@ class HetznerController extends Controller
 
             return response()->json($serverTypes);
         } catch (\Throwable $e) {
-            return response()->json(['message' => 'Failed to fetch server types: '.$e->getMessage()], 500);
+            return response()->json(['message' => 'Failed to fetch Hetzner server types.'], 500);
         }
     }
 
@@ -354,7 +354,7 @@ class HetznerController extends Controller
 
             return response()->json(array_values($filtered));
         } catch (\Throwable $e) {
-            return response()->json(['message' => 'Failed to fetch images: '.$e->getMessage()], 500);
+            return response()->json(['message' => 'Failed to fetch Hetzner images.'], 500);
         }
     }
 
@@ -450,7 +450,7 @@ class HetznerController extends Controller
 
             return response()->json($sshKeys);
         } catch (\Throwable $e) {
-            return response()->json(['message' => 'Failed to fetch SSH keys: '.$e->getMessage()], 500);
+            return response()->json(['message' => 'Failed to fetch Hetzner SSH keys.'], 500);
         }
     }
 
@@ -733,7 +733,7 @@ class HetznerController extends Controller
 
             return $response;
         } catch (\Throwable $e) {
-            return response()->json(['message' => 'Failed to create server: '.$e->getMessage()], 500);
+            return response()->json(['message' => 'Failed to create Hetzner server.'], 500);
         }
     }
 }