Function loadPromptHistory

internal/tui/history_store.go:34–53

loadPromptHistory returns every saved prompt oldest-first, matching the in-memory append order so historyUp/Down walk the same direction for typed and on-disk entries. A missing file is first-run, not an error.

(dir string)

// in-memory append order so historyUp/Down walk the same direction for
// typed and on-disk entries. A missing file is first-run, not an error.
func loadPromptHistory(dir string) []promptEntry {
	f, err := os.Open(historyPath(dir))
	if err != nil {
		return nil
	}
	defer f.Close()
	var out []promptEntry
	sc := bufio.NewScanner(f)
	// A prompt may carry a pasted log of tens of KB; raise the per-line cap
	// past Scanner's 64KB default so we don't drop a long entry's tail.
	sc.Buffer(make([]byte, 64*1024), historyScannerMax)
	for sc.Scan() {
		v, err := strconv.Unquote(sc.Text())
		if err != nil {
			continue
		}
		out = append(out, promptEntry{display: v})
	}
	return out
}

// appendPromptHistory writes value as one more entry, trimming to
// historyMaxEntries to bound growth. Empty prompts are skipped so stray ↵