From a8fde89a2ec4abcf342382138021e6281e5ec872 Mon Sep 17 00:00:00 2001
From: Jari Mustonen <jari.mustonen@iki.fi>
Date: Wed, 18 Mar 2026 10:37:42 +0200
Subject: [PATCH] fix(memory): reset memory prompt section on plugin cache
 clear

---
 src/memory/prompt-section.test.ts | 14 +++++++++++++-
 src/plugins/loader.test.ts        | 19 ++++++++++++++++++-
 2 files changed, 31 insertions(+), 2 deletions(-)

diff --git a/src/memory/prompt-section.test.ts b/src/memory/prompt-section.test.ts
index b537447b844..53a19d1861e 100644
--- a/src/memory/prompt-section.test.ts
+++ b/src/memory/prompt-section.test.ts
@@ -2,6 +2,7 @@ import { describe, it, expect, beforeEach } from "vitest";
 import {
   registerMemoryPromptSection,
   buildMemoryPromptSection,
+  clearMemoryPromptSection,
   _resetMemoryPromptSection,
 } from "./prompt-section.js";
 
@@ -19,7 +20,9 @@ describe("memory prompt section registry", () => {
 
   it("delegates to the registered builder", () => {
     registerMemoryPromptSection(({ availableTools }) => {
-      if (!availableTools.has("memory_search")) return [];
+      if (!availableTools.has("memory_search")) {
+        return [];
+      }
       return ["## Custom Memory", "Use custom memory tools.", ""];
     });
 
@@ -49,4 +52,13 @@ describe("memory prompt section registry", () => {
     const result = buildMemoryPromptSection({ availableTools: new Set() });
     expect(result).toEqual(["second"]);
   });
+
+  it("clearMemoryPromptSection resets the builder", () => {
+    registerMemoryPromptSection(() => ["stale section"]);
+    expect(buildMemoryPromptSection({ availableTools: new Set() })).toEqual(["stale section"]);
+
+    clearMemoryPromptSection();
+
+    expect(buildMemoryPromptSection({ availableTools: new Set() })).toEqual([]);
+  });
 });
diff --git a/src/plugins/loader.test.ts b/src/plugins/loader.test.ts
index a4bf12fad15..0336f2fb14d 100644
--- a/src/plugins/loader.test.ts
+++ b/src/plugins/loader.test.ts
@@ -22,12 +22,13 @@ async function importFreshPluginTestModules() {
   vi.doUnmock("./hooks.js");
   vi.doUnmock("./loader.js");
   vi.doUnmock("jiti");
-  const [loader, hookRunnerGlobal, hooks, runtime, registry] = await Promise.all([
+  const [loader, hookRunnerGlobal, hooks, runtime, registry, promptSection] = await Promise.all([
     import("./loader.js"),
     import("./hook-runner-global.js"),
     import("./hooks.js"),
     import("./runtime.js"),
     import("./registry.js"),
+    import("../memory/prompt-section.js"),
   ]);
   return {
     ...loader,
@@ -35,11 +36,13 @@ async function importFreshPluginTestModules() {
     ...hooks,
     ...runtime,
     ...registry,
+    ...promptSection,
   };
 }
 
 const {
   __testing,
+  buildMemoryPromptSection,
   clearPluginLoaderCache,
   createHookRunner,
   createEmptyPluginRegistry,
@@ -47,6 +50,7 @@ const {
   getActivePluginRegistryKey,
   getGlobalHookRunner,
   loadOpenClawPlugins,
+  registerMemoryPromptSection,
   resetGlobalHookRunner,
   setActivePluginRegistry,
 } = await importFreshPluginTestModules();
@@ -3674,3 +3678,16 @@ export const runtimeValue = helperValue;`,
     expect(resolved).toBe(expected === "dist" ? fixture.distFile : fixture.srcFile);
   });
 });
+
+describe("clearPluginLoaderCache", () => {
+  it("resets the registered memory prompt section builder", () => {
+    registerMemoryPromptSection(() => ["stale memory section"]);
+    expect(buildMemoryPromptSection({ availableTools: new Set() })).toEqual([
+      "stale memory section",
+    ]);
+
+    clearPluginLoaderCache();
+
+    expect(buildMemoryPromptSection({ availableTools: new Set() })).toEqual([]);
+  });
+});