feat: allow file drop on path breadcrumb

packages/convex/model/filesystem.ts

@@ -1,12 +1,12 @@
 import type { Id } from "../_generated/dataModel"
 
 export type DirectoryPathComponent = {
-	id: Id<"directories">
+	handle: DirectoryHandle
 	name: string
 }
 
 export type FilePathComponent = {
-	id: Id<"files">
+	handle: FileHandle
 	name: string
 }
 
@@ -15,3 +15,23 @@ export type PathComponent = FilePathComponent | DirectoryPathComponent
 export type FilePath = [...DirectoryPathComponent[], PathComponent]
 
 export type ReverseFilePath = [PathComponent, ...DirectoryPathComponent[]]
+
+export type FileHandle = {
+	kind: "file"
+	id: Id<"files">
+}
+
+export type DirectoryHandle = {
+	kind: "directory"
+	id: Id<"directories">
+}
+
+export type FileSystemHandle = DirectoryHandle | FileHandle
+
+export function newDirectoryHandle(id: Id<"directories">): DirectoryHandle {
+	return { kind: "directory", id }
+}
+
+export function newFileHandle(id: Id<"files">): FileHandle {
+	return { kind: "file", id }
+}