create mode 100644 apps/server/src/workspace/fileHeaderMimeType.test.ts
 create mode 100644 apps/server/src/workspace/fileHeaderMimeType.ts
 create mode 100644 apps/web/src/components/chat/WorkspaceEntryIcon.tsx
 create mode 100644 apps/web/src/hooks/FileMetadataThreadProvider.tsx
 create mode 100644 apps/web/src/hooks/useFileMetadata.ts
 create mode 100644 packages/client-runtime/src/state/fileMetadata.test.ts
 create mode 100644 packages/client-runtime/src/state/fileMetadata.ts