diff --git a/docs/api-reference.md b/docs/api-reference.md
index b07c9b7..e86f5e9 100644
--- a/docs/api-reference.md
+++ b/docs/api-reference.md
@@ -134,7 +134,6 @@ Response shape:
       { "providerId": "gemini", "label": "Gemini" }
     ],
     "gatewayProviders": [
-      { "providerId": "local", "label": "Local" },
       { "providerId": "openclaw", "label": "OpenClaw" }
     ],
     "capabilities": {
@@ -146,7 +145,6 @@ Response shape:
         { "providerId": "gemini", "label": "Gemini" }
       ],
       "gatewayProviders": [
-        { "providerId": "local", "label": "Local" },
         { "providerId": "openclaw", "label": "OpenClaw" }
       ]
     }
@@ -164,7 +162,8 @@ Notes:
   - `gemini` -> `https://acp-server.svc.plus/gemini/acp/rpc`
 - APP traffic reaches those upstreams through the bridge's canonical public
   ACP path, not by depending on upstream URLs directly
-- upstream ACP auth uses `Authorization: Bearer $INTERNAL_SERVICE_TOKEN`
+- upstream ACP auth prefers bridge-owned service auth and otherwise reuses the
+  inbound bridge bearer header
 - `multiAgent` is controlled by `ACP_MULTI_AGENT_ENABLED`, default `true`
 
 ### 3.2 `session.start`
@@ -405,7 +404,7 @@ Suggested APP-side view model:
 {
   "executionTargets": ["single-agent", "multi-agent", "gateway"],
   "singleAgentProviders": ["codex", "opencode", "gemini"],
-  "gatewayProviders": ["local", "openclaw"]
+  "gatewayProviders": ["openclaw"]
 }
 ```
 
@@ -426,7 +425,8 @@ UI binding guidance:
 - provider picker for single-agent mode should be populated from
   `providerCatalog`
 - gateway picker should be populated from `gatewayProviders`
-- gateway UI should display `local` and `openclaw` as selectable providers
+- gateway UI should display the bridge-owned `openclaw` provider from
+  `gatewayProviders`
 - disabled or unavailable states should come from `xworkmate.routing.resolve`
   response fields such as:
   - `unavailable`
@@ -509,10 +509,10 @@ Response fields:
 
 Notes:
 
+- empty or unsupported `gatewayProviderId` values are normalized to
+  `openclaw`
 - for `gatewayProviderId=openclaw`, the bridge overrides runtime endpoint
   selection to `wss://openclaw.svc.plus`
-- for `gatewayProviderId=local`, the bridge keeps the caller-provided local
-  gateway endpoint configuration
 - upstream gateway auth uses `Authorization: Bearer $INTERNAL_SERVICE_TOKEN`
 - the app does not provide production openclaw endpoint truth
 
diff --git a/docs/architecture/adr-unified-bridge-entrypoints.md b/docs/architecture/adr-unified-bridge-entrypoints.md
index 11f2a1d..e9e27e1 100644
--- a/docs/architecture/adr-unified-bridge-entrypoints.md
+++ b/docs/architecture/adr-unified-bridge-entrypoints.md
@@ -65,7 +65,7 @@ If the bridge reports execution-target metadata such as `single-agent`,
 `multi-agent`, or `gateway`, the app should treat those values as routing
 results, not as shell-level surface categories.
 
-If the bridge reports gateway provider IDs such as `local` or `openclaw`, the
+If the bridge reports gateway provider IDs such as `openclaw`, the
 app should treat them as bridge-owned gateway backend identifiers, not as
 independent app entrypoints.
 
diff --git a/docs/xworkmate-bridge-svc-plus-core-functional-test-plan-v1.md b/docs/xworkmate-bridge-svc-plus-core-functional-test-plan-v1.md
index 50f6b4e..40fbb81 100644
--- a/docs/xworkmate-bridge-svc-plus-core-functional-test-plan-v1.md
+++ b/docs/xworkmate-bridge-svc-plus-core-functional-test-plan-v1.md
@@ -16,7 +16,7 @@
 - `acp.capabilities` 返回动态 provider 列表。
 - 至少覆盖：
   - `singleAgentProviders`: `opencode / codex / gemini`
-  - `gatewayProviders`: `local / openclaw`
+  - `gatewayProviders`: `openclaw`
 - `xworkmate.routing.resolve` 根据 `taskPrompt`、`executionTarget`、`selectedSkills` 返回正确的：
   - `resolvedExecutionTarget`
   - `resolvedProviderId`
@@ -101,7 +101,7 @@ flutter test test/runtime/app_controller_single_agent_workspace_binding_regressi
 
 - `acp.capabilities` 的 provider 列表来自 bridge 当前环境，而不是本地写死。
 - bridge 内建生产 catalog 包含 `codex / opencode / gemini`，且不依赖 app 侧预同步。
-- bridge 还会暴露 `gatewayProviders = local / openclaw`。
+- bridge 还会暴露 `gatewayProviders = openclaw`。
 - `xworkmate.routing.resolve` 在 skill / prompt / target 组合下，返回合理的
   `resolvedProviderId` 或 `resolvedGatewayProviderId`。
 
diff --git a/internal/acp/execution.go b/internal/acp/execution.go
index 188b66d..cba7cec 100644
--- a/internal/acp/execution.go
+++ b/internal/acp/execution.go
@@ -82,7 +82,7 @@ func (s *Server) runGateway(
 	_ = ctx
 	gatewayProvider := strings.TrimSpace(shared.StringArg(params, "gatewayProvider", ""))
 	if gatewayProvider == "" {
-		gatewayProvider = router.GatewayProviderLocal
+		gatewayProvider = router.GatewayProviderOpenClaw
 	}
 	result := s.gateway.RequestByMode(
 		gatewayProvider,
@@ -145,10 +145,14 @@ func (s *Server) runSingleAgentViaExternalProvider(
 			notify(message)
 		}
 	}
+	authorization := firstNonEmptyString(
+		strings.TrimSpace(provider.AuthorizationHeader),
+		strings.TrimSpace(shared.StringArg(params, inboundAuthorizationHeaderKey, "")),
+	)
 	response, err := requestExternalACP(
 		ctx,
 		endpoint,
-		provider.AuthorizationHeader,
+		authorization,
 		method,
 		forwardParams,
 		combinedNotify,
diff --git a/internal/acp/gateway_runtime.go b/internal/acp/gateway_runtime.go
index 25d3d0b..45acc9c 100644
--- a/internal/acp/gateway_runtime.go
+++ b/internal/acp/gateway_runtime.go
@@ -54,7 +54,7 @@ func handleGatewayConnect(
 		},
 	}
 	if request.Mode == "" {
-		request.Mode = "local"
+		request.Mode = "openclaw"
 	}
 	request = applyProductionGatewayRouting(request)
 	request.ReportedRemoteAddress = resolveGatewayReportedRemoteAddress(server, request)
diff --git a/internal/acp/provider_catalog.go b/internal/acp/provider_catalog.go
index f475343..8667e63 100644
--- a/internal/acp/provider_catalog.go
+++ b/internal/acp/provider_catalog.go
@@ -121,10 +121,6 @@ func providerLabel(provider syncedProvider) string {
 
 func availableGatewayProviderCatalog() []map[string]any {
 	return []map[string]any{
-		{
-			"providerId": router.GatewayProviderLocal,
-			"label":      "Local",
-		},
 		{
 			"providerId": router.GatewayProviderOpenClaw,
 			"label":      "OpenClaw",
diff --git a/internal/acp/providers_sync_test.go b/internal/acp/providers_sync_test.go
index 2b9bc59..8404c8e 100644
--- a/internal/acp/providers_sync_test.go
+++ b/internal/acp/providers_sync_test.go
@@ -45,8 +45,8 @@ func TestCapabilitiesExposeBuiltInProductionProviderCatalog(t *testing.T) {
 	if len(providerCatalog) != 3 {
 		t.Fatalf("expected 3 built-in providers, got %#v", providerCatalog)
 	}
-	if len(gatewayProviders) != 2 {
-		t.Fatalf("expected 2 built-in gateway providers, got %#v", gatewayProviders)
+	if len(gatewayProviders) != 1 {
+		t.Fatalf("expected 1 built-in gateway provider, got %#v", gatewayProviders)
 	}
 	wantOrder := []string{"codex", "opencode", "gemini"}
 	wantLabels := []string{"Codex", "OpenCode", "Gemini"}
@@ -58,8 +58,8 @@ func TestCapabilitiesExposeBuiltInProductionProviderCatalog(t *testing.T) {
 			t.Fatalf("expected label %q at index %d, got %#v", wantLabels[index], index, providerCatalog)
 		}
 	}
-	wantGatewayOrder := []string{"local", "openclaw"}
-	wantGatewayLabels := []string{"Local", "OpenClaw"}
+	wantGatewayOrder := []string{"openclaw"}
+	wantGatewayLabels := []string{"OpenClaw"}
 	for index, want := range wantGatewayOrder {
 		if got := gatewayProviders[index]["providerId"]; got != want {
 			t.Fatalf("expected gateway provider %q at index %d, got %#v", want, index, gatewayProviders)
@@ -70,6 +70,51 @@ func TestCapabilitiesExposeBuiltInProductionProviderCatalog(t *testing.T) {
 	}
 }
 
+func TestBuiltInProviderReusesInboundBridgeBearerWhenUpstreamAuthUnset(t *testing.T) {
+	externalServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if got := r.Header.Get("Authorization"); got != "Bearer bridge-token" {
+			t.Fatalf("expected inbound bridge bearer header, got %q", got)
+		}
+		_ = json.NewEncoder(w).Encode(map[string]any{
+			"jsonrpc": "2.0",
+			"id":      "run-auth-fallback",
+			"result": map[string]any{
+				"success": true,
+				"output":  "forwarded-auth-fallback-ok",
+			},
+		})
+	}))
+	defer externalServer.Close()
+
+	t.Setenv("INTERNAL_SERVICE_TOKEN", "")
+	t.Setenv("BRIDGE_AUTH_TOKEN", "")
+	server := NewServer()
+	setTestBridgeProvider(server, syncedProvider{
+		ProviderID: "codex",
+		Label:      "Codex",
+		Endpoint:   externalServer.URL,
+		Enabled:    true,
+	})
+
+	recorder := httptest.NewRecorder()
+	request := httptest.NewRequest(
+		http.MethodPost,
+		"http://127.0.0.1/acp/rpc",
+		strings.NewReader(`{"jsonrpc":"2.0","id":"run-auth-fallback","method":"session.start","params":{"sessionId":"s1","threadId":"t1","taskPrompt":"hello","workingDirectory":"`+t.TempDir()+`","routing":{"routingMode":"explicit","explicitExecutionTarget":"singleAgent","explicitProviderId":"codex"}}}`),
+	)
+	request.Header.Set("Content-Type", "application/json")
+	request.Header.Set("Authorization", "Bearer bridge-token")
+
+	server.HandleRPC(recorder, request)
+
+	if recorder.Code != http.StatusOK {
+		t.Fatalf("expected 200, got %d", recorder.Code)
+	}
+	if !strings.Contains(recorder.Body.String(), "forwarded-auth-fallback-ok") {
+		t.Fatalf("expected forwarded provider response, got %q", recorder.Body.String())
+	}
+}
+
 func TestProductionProviderCatalogFallsBackToBridgeAuthToken(t *testing.T) {
 	t.Setenv("INTERNAL_SERVICE_TOKEN", "")
 	t.Setenv("BRIDGE_AUTH_TOKEN", "bridge-auth-token")
diff --git a/internal/acp/routing_test.go b/internal/acp/routing_test.go
index 4b0d606..ad7f1f6 100644
--- a/internal/acp/routing_test.go
+++ b/internal/acp/routing_test.go
@@ -102,7 +102,7 @@ func TestHandleRoutingResolveCoversNineScenarioBuckets(t *testing.T) {
 			name:                      "image-cog",
 			prompt:                    "use image-cog to generate consistent characters",
 			expectedExecutionTarget:   "gateway",
-			expectedGatewayProviderID: "local",
+			expectedGatewayProviderID: "openclaw",
 			expectedSkillSource:       "find_skills",
 			expectedNeedsSkillInstall: true,
 		},
@@ -110,7 +110,7 @@ func TestHandleRoutingResolveCoversNineScenarioBuckets(t *testing.T) {
 			name:                      "image-video-generation-editting",
 			prompt:                    "wan 图生视频并做视频编辑",
 			expectedExecutionTarget:   "gateway",
-			expectedGatewayProviderID: "local",
+			expectedGatewayProviderID: "openclaw",
 			expectedSkillSource:       "find_skills",
 			expectedNeedsSkillInstall: true,
 		},
@@ -118,7 +118,7 @@ func TestHandleRoutingResolveCoversNineScenarioBuckets(t *testing.T) {
 			name:                      "video-translator",
 			prompt:                    "translate video subtitles and dub the clip",
 			expectedExecutionTarget:   "gateway",
-			expectedGatewayProviderID: "local",
+			expectedGatewayProviderID: "openclaw",
 			expectedSkillSource:       "find_skills",
 			expectedNeedsSkillInstall: true,
 		},
@@ -126,7 +126,7 @@ func TestHandleRoutingResolveCoversNineScenarioBuckets(t *testing.T) {
 			name:                      "browser-search-news",
 			prompt:                    "跨浏览器执行并搜索最新资讯采集结果",
 			expectedExecutionTarget:   "gateway",
-			expectedGatewayProviderID: "local",
+			expectedGatewayProviderID: "openclaw",
 			expectedSkillSource:       "local_match",
 			expectedResolvedSkill:     "Browser Automation",
 		},
@@ -139,7 +139,7 @@ func TestHandleRoutingResolveCoversNineScenarioBuckets(t *testing.T) {
 				"workingDirectory": "/tmp/workspace",
 				"routing": map[string]any{
 					"routingMode":                "auto",
-					"preferredGatewayProviderId": "local",
+					"preferredGatewayProviderId": "openclaw",
 					"allowSkillInstall":          false,
 					"availableSkills": func() []any {
 						values := make([]any, 0, len(localAvailableSkills))
diff --git a/internal/router/router.go b/internal/router/router.go
index 6aa02d4..c08cf4d 100644
--- a/internal/router/router.go
+++ b/internal/router/router.go
@@ -17,7 +17,6 @@ const (
 	ExecutionTargetGateway     = "gateway"
 	ExecutionTargetGatewayChat = "gateway-chat"
 
-	GatewayProviderLocal    = "local"
 	GatewayProviderOpenClaw = "openclaw"
 )
 
@@ -223,15 +222,13 @@ func mapExplicitTarget(
 func resolveGatewayProvider(preferredGatewayProviderID string) string {
 	providerID := normalizeGatewayProvider(preferredGatewayProviderID)
 	if providerID == "" {
-		providerID = GatewayProviderLocal
+		providerID = GatewayProviderOpenClaw
 	}
 	return providerID
 }
 
 func normalizeGatewayProvider(value string) string {
 	switch normalize(value) {
-	case GatewayProviderLocal:
-		return GatewayProviderLocal
 	case GatewayProviderOpenClaw:
 		return GatewayProviderOpenClaw
 	default:
diff --git a/internal/router/router_test.go b/internal/router/router_test.go
index ac3b2da..112a831 100644
--- a/internal/router/router_test.go
+++ b/internal/router/router_test.go
@@ -84,14 +84,14 @@ func TestResolveAutoOnlineTaskToGateway(t *testing.T) {
 
 	result := resolver.Resolve(Request{
 		Prompt:                     "跨浏览器执行并搜索最新资讯",
-		PreferredGatewayProviderID: GatewayProviderLocal,
+		PreferredGatewayProviderID: GatewayProviderOpenClaw,
 	})
 
 	if result.ResolvedExecutionTarget != ExecutionTargetGateway {
 		t.Fatalf("expected gateway route, got %#v", result)
 	}
-	if result.ResolvedGatewayProviderID != GatewayProviderLocal {
-		t.Fatalf("expected local gateway provider, got %#v", result)
+	if result.ResolvedGatewayProviderID != GatewayProviderOpenClaw {
+		t.Fatalf("expected openclaw gateway provider, got %#v", result)
 	}
 }
 
@@ -121,14 +121,14 @@ func TestResolveUsesClassifierForBoundarySamples(t *testing.T) {
 
 	result := resolver.Resolve(Request{
 		Prompt:                     "help me handle this ambiguous request",
-		PreferredGatewayProviderID: GatewayProviderLocal,
+		PreferredGatewayProviderID: GatewayProviderOpenClaw,
 	})
 
 	if result.ResolvedExecutionTarget != ExecutionTargetGateway {
 		t.Fatalf("expected classifier to resolve gateway route, got %#v", result)
 	}
-	if result.ResolvedGatewayProviderID != GatewayProviderLocal {
-		t.Fatalf("expected local gateway provider, got %#v", result)
+	if result.ResolvedGatewayProviderID != GatewayProviderOpenClaw {
+		t.Fatalf("expected openclaw gateway provider, got %#v", result)
 	}
 }