router: read the hour he said out loud (V-469)

"напомни мне позвонить маме в семь вечера" answered "не получилось разобрать
время напоминания", while "в 19:00" set the reminder. Reminders arrive through
speech, and speech says the hour in words, so this was the ordinary case
failing and the typed one working.

SpellOutDigits rewrites a spoken number as digits, but only when a time word
stands beside it — "в три часа" becomes "в 3 часа" and "купить три яблока" is
left alone. Both parsers see it: dateparser already rewrites "7 вечера" to
"7 pm" and never saw a digit to rewrite, and the stub floor now reads the
qualifier itself.

internal/router/dateparser.go

@@ -81,6 +81,9 @@ func NewPythonDateParser() *PythonDateParser {
 // or dateparser is unavailable, falls back to the stub parser. Returns
 // (time, true, nil) on success; (zero, false, nil) when no date is found.
 func (p *PythonDateParser) Parse(ctx context.Context, text string, now time.Time) (time.Time, bool, error) {
+	// Speech says the hour in words, and neither this parser nor the stub
+	// reads "в семь вечера" (Vikunja #469). Both see the digits instead.
+	text = SpellOutDigits(text)
 	t, ok, err := p.parseWithPython(ctx, text, now)
 	if err != nil {
 		// python3 missing, dateparser not installed, or process failure —