fix: rehydrate context token cache after module reload

src/agents/context.lookup.test.ts

@@ -116,6 +116,38 @@ describe("lookupContextTokens", () => {
     );
   });
 
+  it("rehydrates config-backed cache entries after module reload when runtime config survives", async () => {
+    const firstLoadConfigMock = vi.fn(() => ({
+      models: {
+        providers: {
+          openrouter: {
+            models: [{ id: "openrouter/claude-sonnet", contextWindow: 321_000 }],
+          },
+        },
+      },
+    }));
+    mockContextModuleDeps(firstLoadConfigMock);
+
+    let { lookupContextTokens } = await importContextModule();
+    expect(lookupContextTokens("openrouter/claude-sonnet", { allowAsyncLoad: false })).toBe(
+      321_000,
+    );
+    expect(firstLoadConfigMock).toHaveBeenCalledTimes(1);
+
+    vi.resetModules();
+
+    const secondLoadConfigMock = vi.fn(() => {
+      throw new Error("config should come from shared runtime state");
+    });
+    mockContextModuleDeps(secondLoadConfigMock);
+
+    ({ lookupContextTokens } = await importContextModule());
+    expect(lookupContextTokens("openrouter/claude-sonnet", { allowAsyncLoad: false })).toBe(
+      321_000,
+    );
+    expect(secondLoadConfigMock).not.toHaveBeenCalled();
+  });
+
   it("only warms eagerly for real openclaw startup commands that need model metadata", async () => {
     const argvSnapshot = process.argv;
     try {

src/agents/context.ts

@@ -158,6 +158,12 @@ function shouldEagerWarmContextWindowCache(argv: string[] = process.argv): boole
 
 function primeConfiguredContextWindows(): OpenClawConfig | undefined {
   if (CONTEXT_WINDOW_RUNTIME_STATE.configuredConfig) {
+    applyConfiguredContextWindows({
+      cache: MODEL_CONTEXT_TOKEN_CACHE,
+      modelsConfig: CONTEXT_WINDOW_RUNTIME_STATE.configuredConfig.models as
+        | ModelsConfig
+        | undefined,
+    });
     return CONTEXT_WINDOW_RUNTIME_STATE.configuredConfig;
   }
   if (Date.now() < CONTEXT_WINDOW_RUNTIME_STATE.nextConfigLoadAttemptAtMs) {