fix: support explicit active-memory chat types (openclaw#66285)

Verified:
- pnpm install --frozen-lockfile
- pnpm test extensions/active-memory/config.test.ts extensions/active-memory/index.test.ts
- pnpm exec oxfmt --check --threads=1 CHANGELOG.md extensions/active-memory/index.ts extensions/active-memory/index.test.ts extensions/active-memory/config.test.ts extensions/active-memory/openclaw.plugin.json
- git diff --check

Co-authored-by: Lidang-Jiang <119769478+Lidang-Jiang@users.noreply.github.com>
Co-authored-by: Tak Hoffman <781889+Takhoffman@users.noreply.github.com>

extensions/active-memory/config.test.ts

@@ -36,6 +36,20 @@ describe("active-memory manifest config schema", () => {
     expect(result.ok).toBe(true);
   });
 
+  it("accepts explicit in allowedChatTypes", () => {
+    const result = validateJsonSchemaValue({
+      schema: manifest.configSchema,
+      cacheKey: "active-memory.manifest.allowed-chat-types.explicit",
+      value: {
+        enabled: true,
+        agents: ["main"],
+        allowedChatTypes: ["direct", "explicit"],
+      },
+    });
+
+    expect(result.ok).toBe(true);
+  });
+
   it("rejects timeoutMs values above the runtime ceiling", () => {
     const result = validateJsonSchemaValue({
       schema: manifest.configSchema,
@@ -49,4 +63,18 @@ describe("active-memory manifest config schema", () => {
 
     expect(result.ok).toBe(false);
   });
+
+  it("rejects unknown allowedChatTypes values", () => {
+    const result = validateJsonSchemaValue({
+      schema: manifest.configSchema,
+      cacheKey: "active-memory.manifest.allowed-chat-types.invalid",
+      value: {
+        enabled: true,
+        agents: ["main"],
+        allowedChatTypes: ["direct", "portal"],
+      },
+    });
+
+    expect(result.ok).toBe(false);
+  });
 });