fix: chat variable update (#3156)

* perf: file encoding

* fix: chat variable update

projects/app/src/pages/api/common/file/upload.ts

@@ -51,6 +51,7 @@ async function handler(req: NextApiRequest, res: NextApiResponse<any>) {
       path: file.path,
       filename: file.originalname,
       contentType: file.mimetype,
+      encoding: file.encoding,
       metadata: metadata
     });
 

projects/app/src/pages/api/core/dataset/collection/create/localFile.ts

@@ -67,6 +67,7 @@ async function handler(req: NextApiRequest, res: NextApiResponse<any>): CreateCo
     const { rawText } = await readRawTextByLocalFile({
       teamId,
       path: file.path,
+      encoding: file.encoding,
       metadata: {
         ...fileMetadata,
         relatedId: relatedImgId
@@ -81,6 +82,7 @@ async function handler(req: NextApiRequest, res: NextApiResponse<any>): CreateCo
       path: file.path,
       filename: file.originalname,
       contentType: file.mimetype,
+      encoding: file.encoding,
       metadata: fileMetadata
     });