router/semantic: slice 23 corpus fast-path reconciliation — DeriveFastPath over the real router replaces the regex mirror, factory/merge validated, corpus rebuilt (dataset_hash unchanged), drift diagnostic and rerun tooling

cmd/semantic-router-experiment/slice22/heads_main.go

@@ -5,6 +5,7 @@ import (
 	"os"
 
 	"github.com/kami/maven/internal/router"
+	"github.com/kami/maven/internal/router/semantic"
 )
 
 // headsMain runs the deployed cascade minus the resident LLM: stage-0
@@ -48,7 +49,7 @@ func headsMain(poolPath, outPath string) {
 	}
 	defer heads.Close()
 
-	acts := router.DefaultActMatcher{Fns: actVerbList()}
+	acts := router.DefaultActMatcher{Fns: semantic.ExperimentActVerbs()}
 	r := router.New(router.Config{
 		Grammars:   router.StageZeroGrammars(acts),
 		Classifier: cls,

cmd/semantic-router-experiment/slice22/legacy_build.go

@@ -10,6 +10,7 @@ import (
 	"strings"
 
 	"github.com/kami/maven/internal/router"
+	"github.com/kami/maven/internal/router/semantic"
 )
 
 // Seed loading replicated from cmd/mavend/voicewire.go (seedClassifier) and
@@ -23,26 +24,13 @@ var seedIntents = []router.Intent{
 	router.IntentNote, router.IntentQuery, router.IntentChat, router.IntentSystem,
 }
 
-// actVerbList mirrors the eval fixture's static allowlist
-// (internal/router/semantic/helpers_test.go). The production matcher's
-// allowlist is the deployment's enabled tools; an act grammar can only catch
-// a row whose first tokens match an allowlisted verb, and the experiment's
-// act allowlist is the one the accepted slice-21 methodology used.
-func actVerbList() []string {
-	return []string{
-		"перезапусти", "перезагрузи", "выключи", "включи", "останови", "запусти",
-		"закрой", "открой", "сделай", "поставь",
-		"restart", "reboot", "stop", "start", "turn off", "turn on", "open", "close",
-	}
-}
-
 // buildMinimalRouter reproduces internal/router/semantic/buildMinimalRouter:
 // the daemon's grammar set, a hash-embedder classifier seeded from
 // models/seeds, and the deployed 0.55 threshold. Deterministic and
 // reproducible. The ONNX embedder and the routing heads score elsewhere;
 // this is the floor the eval fixture reports as the legacy baseline.
 func buildMinimalRouter() *router.Router {
-	acts := router.DefaultActMatcher{Fns: actVerbList()}
+	acts := router.DefaultActMatcher{Fns: semantic.ExperimentActVerbs()}
 	cls := router.NewClassifier(router.NewHashEmbedder(1024))
 	seedClassifier(cls)
 	return router.New(router.Config{