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Scrub spinner glyphs from window-title bucket keys

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Bucket keys are {Class, ScrubTitle(Title)}, so each animated progress frame a
terminal app cycles into its title (Claude Code's braille and dingbat-star
glyphs) became a distinct bucket — fragmenting one task into dozens of rows and
inflating the switch count, since applyEvent counts a switch per key change.

ScrubTitle now drops any non-ASCII symbol or control rune and collapses leftover
whitespace. This is category-based rather than range-based, so future spinner
sets are covered too, while letters and digits of every script survive and ASCII
symbols (e.g. "C++") are left intact.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Felix Martin
2026-06-01 19:23:49 -04:00
parent 1c81eb1b50
commit 71b8c80c69
2 changed files with 34 additions and 9 deletions
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internal/evidence/evidence_test.go
+13 -6
View File
@@ -8,12 +8,19 @@ import (
func TestScrubTitle(t *testing.T) {
cases := []struct{ in, want string }{
{"Plain title", "Plain title"}, // no digits-with-separator: untouched
{"Buy 2 eggs", "Buy 2 eggs"}, // bare integer: untouched (group is mandatory)
{"12.5%", ""}, // percent decimal: stripped whole
{"1:23:45 remaining", " remaining"}, // clock ratio: stripped
{"-3.0 delta", " delta"}, // leading sign + decimal: stripped
{"Download 50.5% complete", "Download complete"}, // embedded percent decimal
{"Plain title", "Plain title"}, // no digits-with-separator: untouched
{"Buy 2 eggs", "Buy 2 eggs"}, // bare integer: untouched (group is mandatory)
{"12.5%", ""}, // percent decimal: stripped whole
{"1:23:45 remaining", "remaining"}, // clock ratio: stripped, space collapsed
{"-3.0 delta", "delta"}, // leading sign + decimal: stripped
{"Download 50.5% complete", "Download complete"}, // embedded percent decimal
{"⠸ antidrift", "antidrift"}, // braille spinner frame stripped
{"⠼ antidrift", "antidrift"}, // different frame collapses to same key
{"✳ Check latest commit date", "Check latest commit date"}, // dingbat-star indicator
{"⠂ Check latest commit date", "Check latest commit date"}, // same task, different frame
{"✳ ⠼ done", "done"}, // multiple glyphs in one title
{"C++ build", "C++ build"}, // ASCII symbols kept (not all-symbols)
{"日本語 window", "日本語 window"}, // non-ASCII letters preserved
}
for _, c := range cases {
if got := ScrubTitle(c.in); got != c.want {