diff --git a/extensions/telegram/src/bot-message-context.dm-threads.test.ts b/extensions/telegram/src/bot-message-context.dm-threads.test.ts
index 6efd0e0d2f9..f11af44f791 100644
--- a/extensions/telegram/src/bot-message-context.dm-threads.test.ts
+++ b/extensions/telegram/src/bot-message-context.dm-threads.test.ts
@@ -3,8 +3,9 @@ import os from "node:os";
 import path from "node:path";
 import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
 import { resetTopicNameCacheForTest } from "./topic-name-cache.js";
-const { recordInboundSessionMock } = vi.hoisted(() => ({
+const { recordInboundSessionMock, resolveStorePathMock } = vi.hoisted(() => ({
   recordInboundSessionMock: vi.fn().mockResolvedValue(undefined),
+  resolveStorePathMock: vi.fn(() => "/tmp/openclaw-session-store.json"),
 }));
 
 vi.mock("./bot-message-context.session.runtime.js", async () => {
@@ -14,6 +15,7 @@ vi.mock("./bot-message-context.session.runtime.js", async () => {
   return {
     ...actual,
     recordInboundSession: (...args: unknown[]) => recordInboundSessionMock(...args),
+    resolveStorePath: (...args: unknown[]) => resolveStorePathMock(...args),
   };
 });
 
@@ -45,6 +47,8 @@ afterEach(() => {
   clearRuntimeConfigSnapshot();
   resetTopicNameCacheForTest();
   recordInboundSessionMock.mockClear();
+  resolveStorePathMock.mockReset();
+  resolveStorePathMock.mockReturnValue("/tmp/openclaw-session-store.json");
 });
 
 describe("buildTelegramMessageContext dm thread sessions", () => {
@@ -236,6 +240,54 @@ describe("buildTelegramMessageContext group sessions without forum", () => {
       resetTopicNameCacheForTest();
     }
   });
+
+  it("persists topic names through the default session runtime path", async () => {
+    const tempDir = await fs.mkdtemp(path.join(os.tmpdir(), "openclaw-telegram-topic-name-"));
+    const sessionStorePath = path.join(tempDir, "sessions.json");
+    resolveStorePathMock.mockReturnValue(sessionStorePath);
+
+    try {
+      await buildTelegramMessageContextForTest({
+        message: {
+          message_id: 6,
+          chat: { id: -1001234567890, type: "supergroup", title: "Test Forum", is_forum: true },
+          date: 1700000005,
+          text: "@bot hello",
+          message_thread_id: 99,
+          from: { id: 42, first_name: "Alice" },
+          reply_to_message: {
+            message_id: 5,
+            forum_topic_created: { name: "Deployments", icon_color: 0x6fb9f0 },
+          },
+        },
+        options: { forceWasMentioned: true },
+        resolveGroupActivation: () => true,
+        sessionRuntime: null,
+      });
+
+      resetTopicNameCacheForTest();
+
+      const ctx = await buildTelegramMessageContextForTest({
+        message: {
+          message_id: 7,
+          chat: { id: -1001234567890, type: "supergroup", title: "Test Forum", is_forum: true },
+          date: 1700000006,
+          text: "@bot again",
+          message_thread_id: 99,
+          from: { id: 42, first_name: "Alice" },
+        },
+        options: { forceWasMentioned: true },
+        resolveGroupActivation: () => true,
+        sessionRuntime: null,
+      });
+
+      expect(ctx).not.toBeNull();
+      expect(ctx?.ctxPayload?.TopicName).toBe("Deployments");
+    } finally {
+      await fs.rm(tempDir, { recursive: true, force: true });
+      resetTopicNameCacheForTest();
+    }
+  });
 });
 
 describe("buildTelegramMessageContext direct peer routing", () => {
diff --git a/extensions/telegram/src/bot-message-context.session.ts b/extensions/telegram/src/bot-message-context.session.ts
index 33f45babc21..23491d253ab 100644
--- a/extensions/telegram/src/bot-message-context.session.ts
+++ b/extensions/telegram/src/bot-message-context.session.ts
@@ -76,6 +76,17 @@ async function loadTelegramMessageContextSessionRuntime(
   };
 }
 
+export async function resolveTelegramMessageContextStorePath(params: {
+  cfg: OpenClawConfig;
+  agentId: string;
+  sessionRuntime?: TelegramMessageContextSessionRuntimeOverrides;
+}): Promise<string> {
+  const sessionRuntime = await loadTelegramMessageContextSessionRuntime(params.sessionRuntime);
+  return sessionRuntime.resolveStorePath(params.cfg.session?.store, {
+    agentId: params.agentId,
+  });
+}
+
 export async function buildTelegramInboundContextPayload(params: {
   cfg: OpenClawConfig;
   primaryCtx: TelegramContext;
@@ -232,8 +243,10 @@ export async function buildTelegramInboundContextPayload(params: {
     ? (groupLabel ?? `group:${chatId}`)
     : buildSenderLabel(msg, senderId || chatId);
   const sessionRuntime = await loadTelegramMessageContextSessionRuntime(sessionRuntimeOverride);
-  const storePath = sessionRuntime.resolveStorePath(cfg.session?.store, {
+  const storePath = await resolveTelegramMessageContextStorePath({
+    cfg,
     agentId: route.agentId,
+    sessionRuntime: sessionRuntimeOverride,
   });
   const envelopeOptions = resolveEnvelopeFormatOptions(cfg);
   const previousTimestamp = sessionRuntime.readSessionUpdatedAt({
diff --git a/extensions/telegram/src/bot-message-context.ts b/extensions/telegram/src/bot-message-context.ts
index 7bd40b5dcac..55dda165ce3 100644
--- a/extensions/telegram/src/bot-message-context.ts
+++ b/extensions/telegram/src/bot-message-context.ts
@@ -11,7 +11,10 @@ import { logVerbose } from "openclaw/plugin-sdk/runtime-env";
 import { withTelegramApiErrorLogging } from "./api-logging.js";
 import { firstDefined, normalizeAllowFrom, normalizeDmAllowFromWithStore } from "./bot-access.js";
 import { resolveTelegramInboundBody } from "./bot-message-context.body.js";
-import { buildTelegramInboundContextPayload } from "./bot-message-context.session.js";
+import {
+  buildTelegramInboundContextPayload,
+  resolveTelegramMessageContextStorePath,
+} from "./bot-message-context.session.js";
 import type { BuildTelegramMessageContextParams } from "./bot-message-context.types.js";
 import {
   buildTypingThreadParams,
@@ -149,11 +152,13 @@ export const buildTelegramMessageContext = async ({
   const resolvedThreadId = threadSpec.scope === "forum" ? threadSpec.id : undefined;
   const replyThreadId = threadSpec.id;
   const dmThreadId = threadSpec.scope === "dm" ? threadSpec.id : undefined;
-  const topicNameCachePath = sessionRuntime?.resolveStorePath
-    ? resolveTopicNameCachePath(
-        sessionRuntime.resolveStorePath(cfg.session?.store, { agentId: account.accountId }),
-      )
-    : undefined;
+  const topicNameCachePath = resolveTopicNameCachePath(
+    await resolveTelegramMessageContextStorePath({
+      cfg,
+      agentId: account.accountId,
+      sessionRuntime,
+    }),
+  );
   let topicName: string | undefined;
   if (isForum && resolvedThreadId != null) {
     const ftCreated = msg.forum_topic_created;