stage0: one rest-of-day grammar, not two (V-530)

The textual merge in fe489df left a second rest-of-day-query grammar inside
NarrativeQueryGrammars. buildRouter wires the agenda grammars first, so the
copy never claimed a turn, and narrative_test.go only ever indexed the
narrative rule beside it.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

internal/router/narrative_test.go

@@ -15,7 +15,7 @@ func narrativeRouter(t *testing.T) *Router {
 	r.grammars = append(r.grammars, AgendaQueryGrammars()...)
 	r.grammars = append(r.grammars, TaskListGrammar())
 	r.grammars = append(r.grammars, TaskCaptureGrammar())
-	r.grammars = append(r.grammars, NarrativeQueryGrammars()[1])
+	r.grammars = append(r.grammars, NarrativeQueryGrammars()...)
 	return r
 }
 

internal/router/stage0.go

@@ -230,27 +230,24 @@ func AgendaQueryGrammars() []Grammar {
 // herself, and the query chain has no source for either.
 var chatNarrativeTopics = regexp.MustCompile(`(?i)(анекдот|шутк|сказк|истори[юи]\s+на\s+ночь|о\s+себе|про\s+себя|о\s+нас|про\s+нас)`)
 
-// NarrativeQueryGrammars — stage-0 grammars for the two question shapes that
-// carry no question mark and no interrogative, and so reached the resident
-// model with nothing deterministic in front of them (Vikunja #498).
+// NarrativeQueryGrammars — the stage-0 grammar for "расскажи про X", a question
+// shape that carries no question mark and no interrogative, and so reached the
+// resident model with nothing deterministic in front of it (Vikunja #498).
 //
-// Both were routed IntentFact by the model. The fact gate catches the write and
-// re-runs the turn as a query, so nothing breaks today; what they cost is a full
-// model round trip to reach a decision two patterns can make offline, and a
-// wrong row on the routing fixture.
+// The model routed it IntentFact. The fact gate catches the write and re-runs
+// the turn as a query, so nothing broke; what it cost is a full model round trip
+// to reach a decision one pattern makes offline, and a wrong row on the routing
+// fixture.
 //
-// Wired after the agenda grammars, which is where their overlap resolves:
-// "расскажи, что у меня сегодня" is claimed here as a query either way.
+// It held a second grammar named rest-of-day-query until V-530. fe489df merged
+// task/467 into the sweep line and both sides had landed V-498, so the merge
+// kept both blocks textually. buildRouter wires the agenda grammars first and
+// the agenda copy claims every case this one did, so it could never fire.
+//
+// Wired after the agenda grammars, which is where the overlap resolves:
+// "расскажи, что у меня сегодня" is claimed there as a query either way.
 func NarrativeQueryGrammars() []Grammar {
 	return []Grammar{
-		{
-			// "что дальше?" — the rest of the day. IsRestOfDayQuery already
-			// recognises it downstream in the query chain, but that runs after
-			// the routing decision, and the routing decision was fact.
-			Name:    "rest-of-day-query",
-			Pattern: regexp.MustCompile(`(?i)(^|\s)(что|чего)\s+(там\s+|потом\s+)?дальше(\s|[?!.]|$)|(^|\s)what'?s?\s+next(\s|[?!.]|$)`),
-			Build:   agendaQueryBuild,
-		},
 		{
 			// "расскажи про X" — a world question phrased as an instruction.
 			// The lexicon is narrativeRequests, already written for the