fix(vscode): normalize Windows paths in file mention URL construction

packages/kilo-vscode/webview-ui/src/components/chat/PromptInput.tsx

@@ -221,9 +221,9 @@ export const PromptInput: Component = () => {
     if (textareaRef) textareaRef.style.height = "auto"
   }
 
-  const fileName = (path: string) => path.split("/").pop() ?? path
+  const fileName = (path: string) => path.replaceAll("\\", "/").split("/").pop() ?? path
   const dirName = (path: string) => {
-    const parts = path.split("/")
+    const parts = path.replaceAll("\\", "/").split("/")
     if (parts.length <= 1) return ""
     const dir = parts.slice(0, -1).join("/")
     return dir.length > 30 ? `…/${parts.slice(-3, -1).join("/")}` : dir

packages/kilo-vscode/webview-ui/src/hooks/useFileMention.ts

@@ -164,10 +164,13 @@ export function useFileMention(vscode: VSCodeContext): FileMention {
   const parseFileAttachments = (text: string): FileAttachment[] => {
     const paths = mentionedPaths()
     const result: FileAttachment[] = []
+    const dir = workspaceDir.replaceAll("\\", "/")
     for (const path of paths) {
       if (text.includes(`@${path}`)) {
-        const abs = path.startsWith("/") ? path : `${workspaceDir}/${path}`
-        result.push({ mime: "text/plain", url: `file://${abs}` })
+        const abs = path.startsWith("/") ? path : `${dir}/${path}`
+        const url = new URL("file://")
+        url.pathname = abs.startsWith("/") ? abs : `/${abs}`
+        result.push({ mime: "text/plain", url: url.href })
       }
     }
     return result