# reference picker should prioritize the active document at the top of the suggestion list

[zuizuihao]

• Copilot Chat Extension Version: 0.42.3
• VS Code Version: 1.114.0
• OS Version: Windows 10 Enterprise, build 26200
• Feature (e.g. agent/edit/ask mode): Agent mode, # reference suggestions in chat input
• Selected model (e.g. GPT 4.1, Claude 3.7 Sonnet): GPT-5.4 High
• Logs: Not attached yet. I can provide logs if needed.

Steps to Reproduce:

1. Open a file in the editor so it is the active document.
2. Focus the GitHub Copilot Chat input.
3. Use Agent mode.
4. Type # to open the suggestion list for tools, documents, and other references.
5. Look for the currently active document in the suggestion list.

Actual behavior:

The active document appears near the bottom of the suggestion list instead of being prioritized. In my case, the active file shows below many other items, which makes it slow and awkward to reference the file I am already working in.

Expected behavior:

The currently active document should appear first, or at least at the top of the document suggestions, when typing # in Copilot Chat.

Why this matters:

The active file is usually the most relevant reference in the current workflow. Having it appear near the bottom adds unnecessary friction every time I want to reference the file I am already editing.

Additional context:

• This appears to be related to a recent update, although I do not know the exact version where the behavior changed.
• The attached screenshots show the active document appearing at the bottom of the suggestion list.
• I did a quick search and did not find an obvious existing issue describing this exact ranking problem.

[zuizuihao]

I submit #308742 PR for this fix, I use this feature everyday, I want to fix it asap, @aiday-mar can someone help me have look?