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fix: auto-detect Vercel for chat history path

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On Vercel, /var/task is read-only at runtime. ChatHistoryPath() now
auto-detects Vercel via IsVercel() and defaults to /tmp/chat_history.json
when no explicit DS2API_CHAT_HISTORY_PATH is set. Manual env var still
works as explicit override.
This commit is contained in:
waiwai
2026-05-06 11:10:14 +08:00
parent 4678a061d0
commit 2378f0fbe7
1 changed files with 5 additions and 0 deletions
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5
internal/config/paths.go
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@@ -58,6 +58,11 @@ func RawStreamSampleRoot() string {
}
func ChatHistoryPath() string {
// On Vercel, /var/task is read-only at runtime. If no explicit path is set,
// default to /tmp/chat_history.json (the only writable directory).
if IsVercel() && strings.TrimSpace(os.Getenv("DS2API_CHAT_HISTORY_PATH")) == "" {
return "/tmp/chat_history.json"
}
return ResolvePath("DS2API_CHAT_HISTORY_PATH", "data/chat_history.json")
}