From 55276b1e2eaba048c00dfdfc65a5fc5fb800796c Mon Sep 17 00:00:00 2001
From: Paulo Reis <paulovitin@gmail.com>
Date: Sun, 5 Apr 2026 07:35:32 -0300
Subject: [PATCH] fix: quote Windows absolute paths to avoid MCP mention
 collision

Paths containing ':' (e.g. Windows drive letters) are now emitted in
quoted @"..." form so they don't match the MCP resource mention regex.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
---
 src/components/PromptInput/PromptInput.tsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/components/PromptInput/PromptInput.tsx b/src/components/PromptInput/PromptInput.tsx
index 73bfd31d..45c16233 100644
--- a/src/components/PromptInput/PromptInput.tsx
+++ b/src/components/PromptInput/PromptInput.tsx
@@ -1213,7 +1213,7 @@ function PromptInput({
     const draggedPaths = extractDraggedFilePaths(text);
     if (draggedPaths.length > 0) {
       const mentions = draggedPaths
-        .map(p => (p.includes(' ') ? `@"${p}"` : `@${p}`))
+        .map(p => (p.includes(' ') || p.includes(':') ? `@"${p}"` : `@${p}`))
         .join(' ');
       // Ensure spacing around the mention(s) relative to existing input
       const charBefore = input[cursorOffset - 1];