diff --git a/src/plugins/loader.test.ts b/src/plugins/loader.test.ts
index 740db382095..5c5b0ee4717 100644
--- a/src/plugins/loader.test.ts
+++ b/src/plugins/loader.test.ts
@@ -2800,6 +2800,7 @@ module.exports = {
 
   it("preserves runtime reflection semantics when runtime is lazily initialized", () => {
     useNoBundledPlugins();
+    const stateDir = makeTempDir();
     const plugin = writePlugin({
       id: "runtime-introspection",
       filename: "runtime-introspection.cjs",
@@ -2818,12 +2819,17 @@ module.exports = {
 } };`,
     });
 
-    const registry = loadRegistryFromSinglePlugin({
-      plugin,
-      pluginConfig: {
-        allow: ["runtime-introspection"],
-      },
-    });
+    const registry = withEnv({ OPENCLAW_STATE_DIR: stateDir }, () =>
+      loadRegistryFromSinglePlugin({
+        plugin,
+        pluginConfig: {
+          allow: ["runtime-introspection"],
+        },
+        options: {
+          onlyPluginIds: ["runtime-introspection"],
+        },
+      }),
+    );
 
     const record = registry.plugins.find((entry) => entry.id === "runtime-introspection");
     expect(record?.status).toBe("loaded");
diff --git a/src/plugins/loader.ts b/src/plugins/loader.ts
index da9bcd3e993..2fff62b0b95 100644
--- a/src/plugins/loader.ts
+++ b/src/plugins/loader.ts
@@ -60,6 +60,21 @@ export type PluginLoadOptions = {
 const MAX_PLUGIN_REGISTRY_CACHE_ENTRIES = 128;
 const registryCache = new Map<string, PluginRegistry>();
 const openAllowlistWarningCache = new Set<string>();
+const LAZY_RUNTIME_REFLECTION_KEYS = [
+  "version",
+  "config",
+  "subagent",
+  "system",
+  "media",
+  "tts",
+  "stt",
+  "tools",
+  "channel",
+  "events",
+  "logging",
+  "state",
+  "modelAuth",
+] as const satisfies readonly (keyof PluginRuntime)[];
 
 export function clearPluginLoaderCache(): void {
   registryCache.clear();
@@ -870,6 +885,22 @@ export function loadOpenClawPlugins(options: PluginLoadOptions = {}): PluginRegi
     resolvedRuntime ??= resolveCreatePluginRuntime()(options.runtimeOptions);
     return resolvedRuntime;
   };
+  const lazyRuntimeReflectionKeySet = new Set<PropertyKey>(LAZY_RUNTIME_REFLECTION_KEYS);
+  const resolveLazyRuntimeDescriptor = (prop: PropertyKey): PropertyDescriptor | undefined => {
+    if (!lazyRuntimeReflectionKeySet.has(prop)) {
+      return Reflect.getOwnPropertyDescriptor(resolveRuntime() as object, prop);
+    }
+    return {
+      configurable: true,
+      enumerable: true,
+      get() {
+        return Reflect.get(resolveRuntime() as object, prop);
+      },
+      set(value: unknown) {
+        Reflect.set(resolveRuntime() as object, prop, value);
+      },
+    };
+  };
   const runtime = new Proxy({} as PluginRuntime, {
     get(_target, prop, receiver) {
       return Reflect.get(resolveRuntime(), prop, receiver);
@@ -878,13 +909,13 @@ export function loadOpenClawPlugins(options: PluginLoadOptions = {}): PluginRegi
       return Reflect.set(resolveRuntime(), prop, value, receiver);
     },
     has(_target, prop) {
-      return Reflect.has(resolveRuntime(), prop);
+      return lazyRuntimeReflectionKeySet.has(prop) || Reflect.has(resolveRuntime(), prop);
     },
     ownKeys() {
-      return Reflect.ownKeys(resolveRuntime() as object);
+      return [...LAZY_RUNTIME_REFLECTION_KEYS];
     },
     getOwnPropertyDescriptor(_target, prop) {
-      return Reflect.getOwnPropertyDescriptor(resolveRuntime() as object, prop);
+      return resolveLazyRuntimeDescriptor(prop);
     },
     defineProperty(_target, prop, attributes) {
       return Reflect.defineProperty(resolveRuntime() as object, prop, attributes);
diff --git a/src/plugins/provider-runtime.test.ts b/src/plugins/provider-runtime.test.ts
index 266abe24556..dec7be0b53d 100644
--- a/src/plugins/provider-runtime.test.ts
+++ b/src/plugins/provider-runtime.test.ts
@@ -58,6 +58,7 @@ describe("provider-runtime", () => {
   });
 
   it("matches providers by alias for runtime hook lookup", () => {
+    resolveOwningPluginIdsForProviderMock.mockReturnValue(["openrouter"]);
     resolvePluginProvidersMock.mockReturnValue([
       {
         id: "openrouter",
@@ -77,13 +78,35 @@ describe("provider-runtime", () => {
     );
     expect(resolvePluginProvidersMock).toHaveBeenCalledWith(
       expect.objectContaining({
+        onlyPluginIds: ["openrouter"],
         bundledProviderAllowlistCompat: true,
         bundledProviderVitestCompat: true,
       }),
     );
   });
 
+  it("skips plugin loading when the provider has no owning plugin", () => {
+    const plugin = resolveProviderRuntimePlugin({ provider: "anthropic" });
+
+    expect(plugin).toBeUndefined();
+    expect(resolveOwningPluginIdsForProviderMock).toHaveBeenCalledWith(
+      expect.objectContaining({
+        provider: "anthropic",
+      }),
+    );
+    expect(resolvePluginProvidersMock).not.toHaveBeenCalled();
+  });
+
   it("dispatches runtime hooks for the matched provider", async () => {
+    resolveOwningPluginIdsForProviderMock.mockImplementation((params: { provider?: string }) => {
+      if (params.provider === "demo") {
+        return ["demo"];
+      }
+      if (params.provider === "openai") {
+        return ["openai"];
+      }
+      return undefined;
+    });
     const prepareDynamicModel = vi.fn(async () => undefined);
     const prepareRuntimeAuth = vi.fn(async () => ({
       apiKey: "runtime-token",
diff --git a/src/plugins/provider-runtime.ts b/src/plugins/provider-runtime.ts
index 189b5ccef0c..3d1bd77f6d9 100644
--- a/src/plugins/provider-runtime.ts
+++ b/src/plugins/provider-runtime.ts
@@ -54,14 +54,18 @@ export function resolveProviderRuntimePlugin(params: {
   workspaceDir?: string;
   env?: NodeJS.ProcessEnv;
 }): ProviderPlugin | undefined {
+  const owningPluginIds = resolveOwningPluginIdsForProvider({
+    provider: params.provider,
+    config: params.config,
+    workspaceDir: params.workspaceDir,
+    env: params.env,
+  });
+  if (!owningPluginIds || owningPluginIds.length === 0) {
+    return undefined;
+  }
   return resolveProviderPluginsForHooks({
     ...params,
-    onlyPluginIds: resolveOwningPluginIdsForProvider({
-      provider: params.provider,
-      config: params.config,
-      workspaceDir: params.workspaceDir,
-      env: params.env,
-    }),
+    onlyPluginIds: owningPluginIds,
   }).find((plugin) => matchesProviderId(plugin, params.provider));
 }