diff --git a/platform/service/runtime_bindings.go b/platform/service/runtime_bindings.go
index 0ebd585..9cb6d7e 100644
--- a/platform/service/runtime_bindings.go
+++ b/platform/service/runtime_bindings.go
@@ -102,6 +102,23 @@ func runtimeLifecycleProfile(profiles domain.GamePluginRuntimeProfiles, key stri
 			return profile, true
 		}
 	}
+	// Older persisted bindings used "local" for the only local-process profile.
+	// Infer that legacy key only when the plugin has one unambiguous candidate.
+	if key != "local" {
+		return domain.RuntimeLifecycleProfile{}, false
+	}
+	var candidate domain.RuntimeLifecycleProfile
+	count := 0
+	for _, profile := range profiles.LifecycleProfiles {
+		if profile.Mode != "local-process" {
+			continue
+		}
+		candidate = profile
+		count++
+	}
+	if count == 1 {
+		return candidate, true
+	}
 	return domain.RuntimeLifecycleProfile{}, false
 }
 
@@ -152,10 +169,11 @@ func runtimeBindingKeys(profiles domain.GamePluginRuntimeProfiles, profile domai
 }
 
 func normalizeRuntimeBinding(plugin domain.GamePlugin, binding domain.RuntimeBinding) (domain.RuntimeBinding, error) {
-	profile, _ := runtimeLifecycleProfile(plugin.RuntimeProfiles, binding.ProfileKey)
-	if profile.Key == "" {
+	profile, ok := runtimeLifecycleProfile(plugin.RuntimeProfiles, binding.ProfileKey)
+	if !ok {
 		return domain.RuntimeBinding{}, validationError("runtime profile is no longer declared")
 	}
+	binding.ProfileKey = profile.Key
 	required, allowed := runtimeBindingKeys(plugin.RuntimeProfiles, profile)
 	for key := range binding.Bindings {
 		if _, ok := allowed[key]; !ok {
diff --git a/platform/service/runtime_bindings_test.go b/platform/service/runtime_bindings_test.go
index 5f70e6a..61a67e0 100644
--- a/platform/service/runtime_bindings_test.go
+++ b/platform/service/runtime_bindings_test.go
@@ -41,6 +41,29 @@ func TestRegisteredRuntimeProfilesSurviveFileStoreReload(t *testing.T) {
 	}
 }
 
+func TestLegacyLocalRuntimeBindingCanonicalizesToUnambiguousLocalProcessProfile(t *testing.T) {
+	plugin := domain.GamePlugin{RuntimeProfiles: domain.GamePluginRuntimeProfiles{
+		LifecycleProfiles: []domain.RuntimeLifecycleProfile{{Key: "run-local", Mode: "local-process"}},
+	}}
+	binding, err := normalizeRuntimeBinding(plugin, domain.RuntimeBinding{ID: "binding-legacy", ServerInstanceID: "server-legacy", PluginID: "plugin-legacy", PluginVersion: "1.0.0", ProfileKey: "local", Bindings: map[string]string{}, CreatedAt: fixedTime, UpdatedAt: fixedTime})
+	if err != nil {
+		t.Fatalf("normalize legacy runtime binding: %v", err)
+	}
+	if binding.ProfileKey != "run-local" || binding.Mode != "local-process" {
+		t.Fatalf("expected canonical local-process profile, got %+v", binding)
+	}
+}
+
+func TestLegacyLocalRuntimeBindingDoesNotGuessAmbiguousProfiles(t *testing.T) {
+	profiles := domain.GamePluginRuntimeProfiles{LifecycleProfiles: []domain.RuntimeLifecycleProfile{
+		{Key: "run-local", Mode: "local-process"},
+		{Key: "run-local-alt", Mode: "local-process"},
+	}}
+	if _, ok := runtimeLifecycleProfile(profiles, "local"); ok {
+		t.Fatal("expected ambiguous legacy local profile lookup to fail")
+	}
+}
+
 func TestRuntimeBindingValidationAndLifecycleGating(t *testing.T) {
 	svc := newTestCoreService()
 	plugin, endpoint := createPluginAndRunEndpoint(t, svc)
diff --git a/platform/service/server_lifecycle.go b/platform/service/server_lifecycle.go
index 54b0de5..6da2fb7 100644
--- a/platform/service/server_lifecycle.go
+++ b/platform/service/server_lifecycle.go
@@ -441,12 +441,7 @@ func runtimeProfileActionRef(actions domain.PluginLifecycleActions, action domai
 }
 
 func runtimeLifecycleProfileForKey(profiles domain.GamePluginRuntimeProfiles, key string) (domain.RuntimeLifecycleProfile, bool) {
-	for _, profile := range profiles.LifecycleProfiles {
-		if profile.Key == key {
-			return profile, true
-		}
-	}
-	return domain.RuntimeLifecycleProfile{}, false
+	return runtimeLifecycleProfile(profiles, key)
 }
 
 func lifecycleDLLExtensionPlans(profiles domain.GamePluginRuntimeProfiles, profile domain.RuntimeLifecycleProfile, endpoint domain.RunEndpoint) ([]domain.RuntimeDLLExtensionPlan, error) {
diff --git a/platform/service/source_rcon_test.go b/platform/service/source_rcon_test.go
index e99f461..cb9fec4 100644
--- a/platform/service/source_rcon_test.go
+++ b/platform/service/source_rcon_test.go
@@ -106,6 +106,26 @@ func TestSourceRCONDispatchRejectsUnsafeOrIncompatibleState(t *testing.T) {
 	}
 }
 
+func TestSourceRCONDispatchCanonicalizesLegacyLocalBinding(t *testing.T) {
+	svc, _, _, instance := newSourceRCONFixture(t)
+	plugin, err := svc.store.GamePlugins().Get(instance.PluginID)
+	if err != nil {
+		t.Fatal(err)
+	}
+	plugin.RuntimeProfiles.LifecycleProfiles[0].Key = "run-local"
+	if err := svc.store.GamePlugins().Update(plugin); err != nil {
+		t.Fatalf("update runtime profile key: %v", err)
+	}
+
+	resolution, err := svc.resolveSourceRCONDispatch(instance)
+	if err != nil {
+		t.Fatalf("resolve RCON dispatch with legacy binding: %v", err)
+	}
+	if resolution.binding.ProfileKey != "run-local" {
+		t.Fatalf("expected legacy binding to be canonicalized, got %q", resolution.binding.ProfileKey)
+	}
+}
+
 func TestSourceRCONBrokerExpiresWithoutReplay(t *testing.T) {
 	stamp := fixedTime
 	broker := newSourceRCONCommandBroker(func() time.Time { return stamp })