Harden Homarr provider limits

apps/nextjs/src/app/api/assistant/chat/route.ts

@@ -72,6 +72,7 @@ export const maxDuration = 300;
 const assistantRequestMaxBytes = 12_000_000;
 
 const logger = createLogger({ module: "assistant" });
+const getAssistantLogErrorType = (error: unknown) => (error instanceof Error ? error.name : typeof error);
 const getToolApprovalSecret = () =>
   Buffer.from(
     hkdfSync("sha256", Buffer.from(env.SECRET_ENCRYPTION_KEY, "hex"), "", "assistant-tool-approval", 32),
@@ -435,7 +436,7 @@ export async function POST(request: Request) {
   } catch (error) {
     logger.warn("Rejected an unsafe Homarr provider endpoint", {
       provider: configuration.provider,
-      error,
+      errorType: getAssistantLogErrorType(error),
     });
     return Response.json({ error: "The Homarr provider endpoint is not configured safely." }, { status: 503 });
   }
@@ -462,7 +463,7 @@ export async function POST(request: Request) {
       requestId,
       provider: configuration.provider,
       modelId: requestedModelId,
-      error: modelLookup.error,
+      errorType: getAssistantLogErrorType(modelLookup.error),
     });
   }
   const selectedModel = modelLookup.model;
@@ -536,7 +537,7 @@ export async function POST(request: Request) {
             } catch (error) {
               logger.error("Assistant tool call failed", {
                 toolName: mcpTool.name,
-                error: error instanceof Error ? error.message : String(error),
+                errorType: getAssistantLogErrorType(error),
               });
               return { error: getSafeAssistantToolError(error, { toolName: mcpTool.name }) };
             }
@@ -747,7 +748,7 @@ export async function POST(request: Request) {
           requestId,
           provider: configuration.provider,
           modelId,
-          error: error instanceof Error ? error.message : String(error),
+          errorType: getAssistantLogErrorType(error),
         });
       },
       onFinish: async () => {
@@ -759,7 +760,7 @@ export async function POST(request: Request) {
         } catch (error) {
           logger.error("Failed to update assistant conversation metadata", {
             threadId: thread.id,
-            error: error instanceof Error ? error.message : String(error),
+            errorType: getAssistantLogErrorType(error),
           });
         }
       },
@@ -866,7 +867,7 @@ export async function POST(request: Request) {
     });
   } catch (error) {
     logger.error("Assistant response could not start", {
-      error: error instanceof Error ? error.message : String(error),
+      errorType: getAssistantLogErrorType(error),
     });
     return Response.json(
       {