Agent Tagging Incorrectly Uses @ Symbol for Agents Instead of File References

Bug Description
@ uses agents instead of tagging files

Environment Info

• Platform: win32
• Terminal: vscode
• Version: 1.0.62
• Feedback ID: b40578ca-4471-41fc-8bce-09b6b45f0bf9

Errors

[{"error":"Error: spawn /c/Users/MagiaBaiser/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/vendor/ripgrep/x64-win32/rg.exe ENOENT\n    at ChildProcess._handle.onexit (node:internal/child_process:285:19)\n    at onErrorNT (node:internal/child_process:483:16)\n    at process.processTicksAndRejections (node:internal/process/task_queues:90:21)","timestamp":"2025-07-29T02:25:16.013Z"},{"error":"Error: spawn /c/Users/MagiaBaiser/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/vendor/ripgrep/x64-win32/rg.exe ENOENT\n    at ChildProcess._handle.onexit (node:internal/child_process:285:19)\n    at onErrorNT (node:internal/child_process:483:16)\n    at process.processTicksAndRejections (node:internal/process/task_queues:90:21)","timestamp":"2025-07-29T02:25:17.593Z"},{"error":"Error: spawn /c/Users/MagiaBaiser/AppData/Roaming/npm/node_modules/@anthropic-ai/claude-code/vendor/ripgrep/x64-win32/rg.exe ENOENT\n    at ChildProcess._handle.onexit (node:internal/child_process:285:19)\n    at onErrorNT (node:internal/child_process:483:16)\n    at process.processTicksAndRejections (node:internal/process/task_queues:90:21)","timestamp":"2025-07-29T02:25:17.856Z"}]