diff --git a/packages/storage/.gitignore b/packages/storage/.gitignore
deleted file mode 100644
index ea5856de60..0000000000
--- a/packages/storage/.gitignore
+++ /dev/null
@@ -1,4 +0,0 @@
-node_modules
-dist
-coverage
-.turbo
diff --git a/packages/storage/src/client.ts b/packages/storage/src/client.ts
index e4f8249e7b..329fedd0b5 100644
--- a/packages/storage/src/client.ts
+++ b/packages/storage/src/client.ts
@@ -1,5 +1,6 @@
 import { S3Client } from "@aws-sdk/client-s3";
 import { logger } from "@formbricks/logger";
+import { ErrorCode, type Result, type S3CredentialsError, type UnknownError, err, ok } from "../types/error";
 import {
   S3_ACCESS_KEY,
   S3_BUCKET_NAME,
@@ -8,7 +9,6 @@ import {
   S3_REGION,
   S3_SECRET_KEY,
 } from "./constants";
-import { type Result, type S3CredentialsError, type UnknownError, err, ok } from "./types/error";
 
 /**
  * Create an S3 client from environment variables
@@ -19,7 +19,7 @@ export const createS3ClientFromEnv = (): Result<S3Client, S3CredentialsError | U
     if (!S3_ACCESS_KEY || !S3_SECRET_KEY || !S3_BUCKET_NAME || !S3_REGION) {
       logger.error("S3 Client: S3 credentials are not set");
       return err({
-        code: "s3_credentials_error",
+        code: ErrorCode.S3CredentialsError,
         message: "S3 credentials are not set",
       });
     }
@@ -35,7 +35,7 @@ export const createS3ClientFromEnv = (): Result<S3Client, S3CredentialsError | U
   } catch (error) {
     logger.error("Error creating S3 client from environment variables", { error });
     return err({
-      code: "unknown",
+      code: ErrorCode.Unknown,
       message: "Error creating S3 client from environment variables",
     });
   }
diff --git a/packages/storage/src/service.ts b/packages/storage/src/service.ts
index f0078af944..a7214b8977 100644
--- a/packages/storage/src/service.ts
+++ b/packages/storage/src/service.ts
@@ -2,9 +2,8 @@ import { DeleteObjectCommand, GetObjectCommand, HeadObjectCommand } from "@aws-s
 import { type PresignedPostOptions, createPresignedPost } from "@aws-sdk/s3-presigned-post";
 import { getSignedUrl } from "@aws-sdk/s3-request-presigner";
 import { logger } from "@formbricks/logger";
-import { createS3Client } from "./client";
-import { S3_BUCKET_NAME } from "./constants";
 import {
+  ErrorCode,
   type FileNotFoundError,
   type Result,
   type S3ClientError,
@@ -12,7 +11,9 @@ import {
   type UnknownError,
   err,
   ok,
-} from "./types/error";
+} from "../types/error";
+import { createS3Client } from "./client";
+import { S3_BUCKET_NAME } from "./constants";
 
 const s3Client = createS3Client();
 
@@ -42,7 +43,7 @@ export const getSignedUploadUrl = async (
     if (!s3Client) {
       logger.error("Failed to get signed upload URL: S3 client is not set");
       return err({
-        code: "s3_client_error",
+        code: ErrorCode.S3ClientError,
         message: "S3 client is not set",
       });
     }
@@ -54,7 +55,7 @@ export const getSignedUploadUrl = async (
     if (!S3_BUCKET_NAME) {
       logger.error("Failed to get signed upload URL: S3 bucket name is not set");
       return err({
-        code: "s3_credentials_error",
+        code: ErrorCode.S3CredentialsError,
         message: "S3 bucket name is not set",
       });
     }
@@ -77,7 +78,7 @@ export const getSignedUploadUrl = async (
   } catch (error) {
     logger.error("Failed to get signed upload URL", { error });
     const unknownError: UnknownError = {
-      code: "unknown",
+      code: ErrorCode.Unknown,
       message: "Failed to get signed upload URL",
     };
 
@@ -96,14 +97,14 @@ export const getSignedDownloadUrl = async (
   try {
     if (!s3Client) {
       return err({
-        code: "s3_client_error",
+        code: ErrorCode.S3ClientError,
         message: "S3 client is not set",
       });
     }
 
     if (!S3_BUCKET_NAME) {
       return err({
-        code: "s3_credentials_error",
+        code: ErrorCode.S3CredentialsError,
         message: "S3 bucket name is not set",
       });
     }
@@ -123,15 +124,12 @@ export const getSignedDownloadUrl = async (
         (headError as { $metadata?: { httpStatusCode?: number } }).$metadata?.httpStatusCode === 404
       ) {
         return err({
-          code: "file_not_found_error",
+          code: ErrorCode.FileNotFoundError,
           message: `File not found: ${fileKey}`,
         });
       }
 
-      return err({
-        code: "unknown",
-        message: `Failed to get signed download URL for file: ${fileKey}`,
-      });
+      logger.warn("HeadObject check failed; proceeding to sign download URL", { error: headError, fileKey });
     }
 
     const getObjectCommand = new GetObjectCommand({
@@ -143,7 +141,7 @@ export const getSignedDownloadUrl = async (
   } catch (error) {
     logger.error("Failed to get signed download URL", { error });
     const unknownError: UnknownError = {
-      code: "unknown",
+      code: ErrorCode.Unknown,
       message: "Failed to get signed download URL",
     };
 
@@ -162,14 +160,14 @@ export const deleteFile = async (
   try {
     if (!s3Client) {
       return err({
-        code: "s3_client_error",
+        code: ErrorCode.S3ClientError,
         message: "S3 client is not set",
       });
     }
 
     if (!S3_BUCKET_NAME) {
       return err({
-        code: "s3_credentials_error",
+        code: ErrorCode.S3CredentialsError,
         message: "S3 bucket name is not set",
       });
     }
@@ -186,7 +184,7 @@ export const deleteFile = async (
     logger.error("Failed to delete file", { error });
 
     const unknownError: UnknownError = {
-      code: "unknown",
+      code: ErrorCode.Unknown,
       message: "Failed to delete file",
     };
 
diff --git a/packages/storage/src/types/error.ts b/packages/storage/types/error.ts
similarity index 68%
rename from packages/storage/src/types/error.ts
rename to packages/storage/types/error.ts
index 5f67f2a59c..c2c8cd2e9c 100644
--- a/packages/storage/src/types/error.ts
+++ b/packages/storage/types/error.ts
@@ -19,22 +19,29 @@ export const err = <E = Error>(error: E): ResultError<E> => ({
   error,
 });
 
+export enum ErrorCode {
+  Unknown = "unknown",
+  S3CredentialsError = "s3_credentials_error",
+  S3ClientError = "s3_client_error",
+  FileNotFoundError = "file_not_found_error",
+}
+
 export interface UnknownError {
-  code: "unknown";
+  code: ErrorCode.Unknown;
   message: string;
 }
 
 export interface S3CredentialsError {
-  code: "s3_credentials_error";
+  code: ErrorCode.S3CredentialsError;
   message: string;
 }
 
 export interface S3ClientError {
-  code: "s3_client_error";
+  code: ErrorCode.S3ClientError;
   message: string;
 }
 
 export interface FileNotFoundError {
-  code: "file_not_found_error";
+  code: ErrorCode.FileNotFoundError;
   message: string;
 }
diff --git a/turbo.json b/turbo.json
index d62d11db03..877f326ffb 100644
--- a/turbo.json
+++ b/turbo.json
@@ -45,6 +45,11 @@
     "@formbricks/storage#build": {
       "dependsOn": ["@formbricks/logger#build"]
     },
+    "@formbricks/storage#go": {
+      "cache": false,
+      "dependsOn": ["@formbricks/storage#build"],
+      "persistent": true
+    },
     "@formbricks/storage#lint": {
       "dependsOn": ["@formbricks/logger#build"]
     },