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Document foregroundTracker unavailable-state contract

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Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Felix Martin
2026-06-02 12:23:54 -04:00
parent e1194be3c2
commit 7d62af0750
1 changed files with 2 additions and 0 deletions
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internal/evidence/foreground_tracker.go
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@@ -12,6 +12,8 @@ type foregroundTracker struct {
// changed reports whether (available, hwnd, title) differs from the last // changed reports whether (available, hwnd, title) differs from the last
// observation and records the new values. The first call always returns true. // observation and records the new values. The first call always returns true.
// Callers pass the zero values (hwnd 0, title "") when available is false, so a
// steady "no foreground window" run does not re-emit.
func (t *foregroundTracker) changed(available bool, hwnd uintptr, title string) bool { func (t *foregroundTracker) changed(available bool, hwnd uintptr, title string) bool {
if t.primed && available == t.available && hwnd == t.hwnd && title == t.title { if t.primed && available == t.available && hwnd == t.hwnd && title == t.title {
return false return false