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fix(chat): handle empty uploaded files case and improve artifact selection logic (#979)

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* fix(chat): handle empty uploaded files case and improve artifact selection logic

* Update frontend/src/components/workspace/chats/chat-box.tsx

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

* fix: address code review suggestions from PR #979 (#3)

* Initial plan

* fix: address PR #979 review suggestions

- utils.ts: scope (empty) check inside <uploaded_files> tag content
- chat-box.tsx: remove stale `artifacts` from useEffect deps
- context.tsx: wrap select/deselect with useCallback for stable refs
- test: add test_empty_new_files_produces_empty_marker

Co-authored-by: foreleven <4785594+foreleven@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: foreleven <4785594+foreleven@users.noreply.github.com>

---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Co-authored-by: Copilot <198982749+Copilot@users.noreply.github.com>
Co-authored-by: foreleven <4785594+foreleven@users.noreply.github.com>
This commit is contained in:
JeffJiang
2026-03-05 17:45:25 +08:00
committed by GitHub
parent b17c087174
commit 1b3939cb78
5 changed files with 51 additions and 18 deletions
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15
backend/src/agents/middlewares/uploads_middleware.py
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@@ -53,12 +53,15 @@ class UploadsMiddleware(AgentMiddleware[UploadsMiddlewareState]):
lines.append("The following files were uploaded in this message:")
lines.append("")
for file in new_files:
size_kb = file["size"] / 1024
size_str = f"{size_kb:.1f} KB" if size_kb < 1024 else f"{size_kb / 1024:.1f} MB"
lines.append(f"- {file['filename']} ({size_str})")
lines.append(f" Path: {file['path']}")
lines.append("")
if new_files:
for file in new_files:
size_kb = file["size"] / 1024
size_str = f"{size_kb:.1f} KB" if size_kb < 1024 else f"{size_kb / 1024:.1f} MB"
lines.append(f"- {file['filename']} ({size_str})")
lines.append(f" Path: {file['path']}")
lines.append("")
else:
lines.append("(empty)")
if historical_files:
lines.append("The following files were uploaded in previous messages and are still available:")