fix: correct stale documentation URLs in error mapper

The error-to-docs mapper pointed at two paths that 404 after the docs restructure. getting-started/errors is now platform/errors, and getResponse now maps to platform/task-polling instead of platform/get-response.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

Author: felixsanz

internal/api/transport/errors.go

@@ -182,14 +182,14 @@ func DeriveCode(raw string) ErrorCode {
 
 const (
 	docsBase        = "https://runware.ai/docs"
-	sdkErrorDocPath = "getting-started/errors"
+	sdkErrorDocPath = "platform/errors"
 )
 
 var utilityDocPaths = map[string]string{
 	"modelSearch":       "platform/model-search",
 	"modelUpload":       "platform/model-upload",
 	"imageUpload":       "platform/image-upload",
-	"getResponse":       "platform/get-response",
+	"getResponse":       "platform/task-polling",
 	"accountManagement": "platform/account-management",
 }