fix(hooks): avoid stale active-memory startup fallback

extensions/active-memory/index.test.ts

@@ -365,6 +365,27 @@ describe("active-memory plugin", () => {
     expect(runEmbeddedPiAgent).not.toHaveBeenCalled();
   });
 
+  it("fails closed when the live active-memory plugin entry is removed", async () => {
+    configFile = {
+      plugins: {
+        entries: {},
+      },
+    };
+
+    const result = await hooks.before_prompt_build(
+      { prompt: "what wings should i order after active memory is removed?", messages: [] },
+      {
+        agentId: "main",
+        trigger: "user",
+        sessionKey: "agent:main:live-config-removed",
+        messageProvider: "webchat",
+      },
+    );
+
+    expect(result).toBeUndefined();
+    expect(runEmbeddedPiAgent).not.toHaveBeenCalled();
+  });
+
   it("does not run for agents that are not explicitly targeted", async () => {
     const result = await hooks.before_prompt_build(
       { prompt: "what wings should i order?", messages: [] },

extensions/active-memory/index.ts

@@ -9,6 +9,7 @@ import {
   resolveAgentWorkspaceDir,
 } from "openclaw/plugin-sdk/agent-runtime";
 import {
+  resolveLivePluginConfigObject,
   resolvePluginConfigObject,
   resolveSessionStoreEntry,
   updateSessionStore,
@@ -1883,11 +1884,15 @@ export default definePluginEntry({
     };
     warnDeprecatedModelFallbackPolicy(api.pluginConfig);
     const refreshLiveConfigFromRuntime = () => {
-      const livePluginConfig =
-        resolvePluginConfigObject(api.runtime.config.loadConfig(), "active-memory") ??
-        api.pluginConfig;
-      config = normalizePluginConfig(livePluginConfig);
-      warnDeprecatedModelFallbackPolicy(livePluginConfig);
+      const livePluginConfig = resolveLivePluginConfigObject(
+        api.runtime.config?.loadConfig,
+        "active-memory",
+        api.pluginConfig as Record<string, unknown>,
+      );
+      config = normalizePluginConfig(livePluginConfig ?? { enabled: false });
+      if (livePluginConfig) {
+        warnDeprecatedModelFallbackPolicy(livePluginConfig);
+      }
     };
     api.registerCommand({
       name: "active-memory",