fix: patch session store updates

src/auto-reply/reply/agent-runner.ts

@@ -161,11 +161,14 @@ export async function runReplyAgent(params: {
     const steered = queueEmbeddedPiMessage(followupRun.run.sessionId, followupRun.prompt);
     if (steered && !shouldFollowup) {
       if (activeSessionEntry && activeSessionStore && sessionKey) {
-        activeSessionEntry.updatedAt = Date.now();
+        const updatedAt = Date.now();
+        activeSessionEntry.updatedAt = updatedAt;
         activeSessionStore[sessionKey] = activeSessionEntry;
         if (storePath) {
-          await updateSessionStore(storePath, (store) => {
+          await updateSessionStoreEntry({
-            store[sessionKey] = activeSessionEntry as SessionEntry;
+            storePath,
+            sessionKey,
+            update: async () => ({ updatedAt }),
           });
         }
       }
@@ -177,11 +180,14 @@ export async function runReplyAgent(params: {
   if (isActive && (shouldFollowup || resolvedQueue.mode === "steer")) {
     enqueueFollowupRun(queueKey, followupRun, resolvedQueue);
     if (activeSessionEntry && activeSessionStore && sessionKey) {
-      activeSessionEntry.updatedAt = Date.now();
+      const updatedAt = Date.now();
+      activeSessionEntry.updatedAt = updatedAt;
       activeSessionStore[sessionKey] = activeSessionEntry;
       if (storePath) {
-        await updateSessionStore(storePath, (store) => {
+        await updateSessionStoreEntry({
-          store[sessionKey] = activeSessionEntry as SessionEntry;
+          storePath,
+          sessionKey,
+          update: async () => ({ updatedAt }),
         });
       }
     }
@@ -328,12 +334,18 @@ export async function runReplyAgent(params: {
       sessionKey &&
       activeSessionEntry.groupActivationNeedsSystemIntro
     ) {
+      const updatedAt = Date.now();
       activeSessionEntry.groupActivationNeedsSystemIntro = false;
-      activeSessionEntry.updatedAt = Date.now();
+      activeSessionEntry.updatedAt = updatedAt;
       activeSessionStore[sessionKey] = activeSessionEntry;
       if (storePath) {
-        await updateSessionStore(storePath, (store) => {
+        await updateSessionStoreEntry({
-          store[sessionKey] = activeSessionEntry as SessionEntry;
+          storePath,
+          sessionKey,
+          update: async () => ({
+            groupActivationNeedsSystemIntro: false,
+            updatedAt,
+          }),
         });
       }
     }

src/config/sessions.test.ts

@@ -206,6 +206,37 @@ describe("sessions", () => {
     expect(store[sessionKey]?.origin?.chatType).toBe("group");
   });
 
+  it("updateSessionStoreEntry preserves existing fields when patching", async () => {
+    const sessionKey = "agent:main:main";
+    const dir = await fs.mkdtemp(path.join(os.tmpdir(), "clawdbot-sessions-"));
+    const storePath = path.join(dir, "sessions.json");
+    await fs.writeFile(
+      storePath,
+      JSON.stringify(
+        {
+          [sessionKey]: {
+            sessionId: "sess-1",
+            updatedAt: 100,
+            reasoningLevel: "on",
+          },
+        },
+        null,
+        2,
+      ),
+      "utf-8",
+    );
+
+    await updateSessionStoreEntry({
+      storePath,
+      sessionKey,
+      update: async () => ({ updatedAt: 200 }),
+    });
+
+    const store = loadSessionStore(storePath);
+    expect(store[sessionKey]?.updatedAt).toBeGreaterThanOrEqual(200);
+    expect(store[sessionKey]?.reasoningLevel).toBe("on");
+  });
+
   it("updateSessionStore preserves concurrent additions", async () => {
     const dir = await fs.mkdtemp(path.join(os.tmpdir(), "clawdbot-sessions-"));
     const storePath = path.join(dir, "sessions.json");