feat(app): drop production outbox and approval hook registration

Durable notify/advance/projection are live on shared dev, so composition roots must not assign OnOutbox or AddOnApprovedHook. Bind helpers remain for tests and a rollback window.

Co-authored-by: Cursor <cursoragent@cursor.com>

internal/app/app.go

@@ -201,22 +201,16 @@ func (r *Runtime) bindDocumentNotify() {
 	if r == nil || r.notifyBound {
 		return
 	}
-	if r.Biz != nil && r.Rev != nil {
-		if docnotify.Bind(r.Rev, r.DocNotify) {
-			r.subscribers++
-		}
-	}
+	// Durable notify is live; do not assign OnOutbox in production.
 	r.notifyBound = true
 }
 
 func (r *Runtime) bindWorkflowApprovalHook() {
-	if r == nil || r.hookBound || r.Gov == nil || r.Inst == nil || !r.Inst.Available() {
-		r.hookBound = true
+	if r == nil || r.hookBound {
 		return
 	}
-	r.Gov.AddOnApprovedHook(r.onWorkflowDocumentApproved)
+	// Durable workflow_advance is live; do not register AddOnApprovedHook in production.
 	r.hookBound = true
-	r.subscribers++
 }
 
 // WriterLive reports whether the durable consumer already owns the visible write.

internal/app/unhook_test.go

@@ -0,0 +1,48 @@
+package app
+
+import (
+	"os"
+	"path/filepath"
+	"strings"
+	"testing"
+)
+
+func TestProductionCompositionHasNoHookRegistration(t *testing.T) {
+	root := findGoMod(t)
+	files := []string{
+		filepath.Join(root, "internal", "app", "app.go"),
+		filepath.Join(root, "internal", "server", "workflow_approval_hook.go"),
+		filepath.Join(root, "internal", "server", "server.go"),
+	}
+	for _, f := range files {
+		b, err := os.ReadFile(f)
+		if err != nil {
+			t.Fatal(err)
+		}
+		src := string(b)
+		if strings.Contains(src, "OnOutbox =") {
+			t.Fatalf("%s still assigns OnOutbox", f)
+		}
+		if strings.Contains(src, "AddOnApprovedHook(") {
+			t.Fatalf("%s still registers AddOnApprovedHook", f)
+		}
+	}
+}
+
+func findGoMod(t *testing.T) string {
+	t.Helper()
+	dir, err := os.Getwd()
+	if err != nil {
+		t.Fatal(err)
+	}
+	for {
+		if _, err := os.Stat(filepath.Join(dir, "go.mod")); err == nil {
+			return dir
+		}
+		parent := filepath.Dir(dir)
+		if parent == dir {
+			t.Fatal("go.mod not found")
+		}
+		dir = parent
+	}
+}

internal/server/workflow_approval_hook.go

@@ -9,10 +9,9 @@ import (
 )
 
 func (s *Server) registerWorkflowApprovalHook() {
-	if s == nil || s.gov == nil || s.instSvc == nil || !s.instSvc.Available() {
-		return
-	}
-	s.gov.AddOnApprovedHook(s.onWorkflowDocumentApproved)
+	// Durable workflow_advance is the unique writer. Keep the method for one
+	// rollback window; do not register AddOnApprovedHook in production.
+	return
 }
 
 func (s *Server) onWorkflowDocumentApproved(ctx context.Context, doc *docgov.DocumentRecord) {