fix: disable agent dry-run without executor

modules/work/application/worker.go

@@ -15,6 +15,14 @@ type WorkerCycleResult struct {
 	Idle            bool
 }
 
+// RecoverOnlyWorkerCycle keeps durable recovery alive while the real executor
+// capability is absent. It intentionally does not claim a dispatch: a missing
+// executor must never be represented as successful work.
+func RecoverOnlyWorkerCycle(ctx context.Context, store ports.WorkerStore, now time.Time, staleAfter time.Duration) (WorkerCycleResult, error) {
+	recovered, err := store.RecoverStaleClaims(ctx, now.UnixMilli(), staleAfter.Milliseconds())
+	return WorkerCycleResult{RecoveredClaims: recovered, Idle: err == nil}, err
+}
+
 func ExecuteWorkerCycle(ctx context.Context, store ports.WorkerStore, workerID string, token work.AgentFencingToken, now time.Time, staleAfter, leaseTTL time.Duration) (WorkerCycleResult, error) {
 	recovered, err := store.RecoverStaleClaims(ctx, now.UnixMilli(), staleAfter.Milliseconds())
 	if err != nil {

modules/work/application/worker_test.go

@@ -0,0 +1,46 @@
+package application
+
+import (
+	"context"
+	"testing"
+	"time"
+
+	"git.cin.su/m/Assistant/contracts/work"
+)
+
+type recoveryOnlyStore struct {
+	recovered int64
+	claimed   bool
+}
+
+func (s *recoveryOnlyStore) RecoverStaleClaims(context.Context, int64, int64) (int64, error) {
+	return s.recovered, nil
+}
+func (s *recoveryOnlyStore) ClaimNextDispatch(context.Context, string, int64) (work.AgentDispatchQueueItem, error) {
+	s.claimed = true
+	return work.AgentDispatchQueueItem{}, nil
+}
+func (s *recoveryOnlyStore) LoadDispatchIntent(context.Context, string) (work.AgentDispatchIntent, error) {
+	return work.AgentDispatchIntent{}, nil
+}
+func (s *recoveryOnlyStore) CompleteDispatch(context.Context, string, string, work.AgentDispatchQueueState, int64) error {
+	return nil
+}
+func (s *recoveryOnlyStore) SaveDispatchIntent(context.Context, work.AgentDispatchIntent) error {
+	return nil
+}
+func (s *recoveryOnlyStore) SaveAgentLease(context.Context, work.AgentLease) error { return nil }
+func (s *recoveryOnlyStore) AcceptAgentCallback(context.Context, work.AgentCallback) error {
+	return nil
+}
+
+func TestRecoverOnlyWorkerCycleNeverClaimsDispatch(t *testing.T) {
+	store := &recoveryOnlyStore{recovered: 2}
+	result, err := RecoverOnlyWorkerCycle(context.Background(), store, time.UnixMilli(1_700_000_000_000), time.Minute)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if result.RecoveredClaims != 2 || !result.Idle || store.claimed {
+		t.Fatalf("unexpected recovery-only result: %+v claimed=%t", result, store.claimed)
+	}
+}