diff --git a/extensions/telegram/src/bot-native-commands.session-meta.test.ts b/extensions/telegram/src/bot-native-commands.session-meta.test.ts
index 3b2c6f00eb3..905a17caccc 100644
--- a/extensions/telegram/src/bot-native-commands.session-meta.test.ts
+++ b/extensions/telegram/src/bot-native-commands.session-meta.test.ts
@@ -1,4 +1,3 @@
-import path from "node:path";
 import type { OpenClawConfig } from "openclaw/plugin-sdk/config-types";
 import type { ResolvedAgentRoute } from "openclaw/plugin-sdk/routing";
 import { beforeAll, beforeEach, describe, expect, it, vi } from "vitest";
@@ -55,7 +54,6 @@ const sessionMocks = vi.hoisted(() => {
     ),
     recordSessionMetaFromInbound: vi.fn(),
     resolveAndPersistSessionFile: vi.fn(),
-    resolveSessionTranscriptPath: vi.fn(),
     sessionStore,
   };
 });
@@ -163,7 +161,6 @@ vi.mock("openclaw/plugin-sdk/session-store-runtime", async () => {
     getSessionEntry: sessionMocks.getSessionEntry,
     listSessionEntries: sessionMocks.listSessionEntries,
     resolveAndPersistSessionFile: sessionMocks.resolveAndPersistSessionFile,
-    resolveSessionTranscriptPath: sessionMocks.resolveSessionTranscriptPath,
   };
 });
 vi.mock("openclaw/plugin-sdk/command-auth-native", async () => {
@@ -499,13 +496,6 @@ describe("registerTelegramNativeCommands — session metadata", () => {
         },
       };
     });
-    sessionMocks.resolveSessionTranscriptPath
-      .mockClear()
-      .mockImplementation((sessionId: string, _agentId?: string, threadId?: string | number) =>
-        threadId === undefined
-          ? `/tmp/openclaw-sessions/${sessionId}.jsonl`
-          : `/tmp/openclaw-sessions/${sessionId}-topic-${threadId}.jsonl`,
-      );
     pluginRuntimeMocks.executePluginCommand.mockClear().mockResolvedValue({ text: "ok" });
     pluginRuntimeMocks.matchPluginCommand.mockClear().mockReturnValue(null);
     replyMocks.dispatchReplyWithBufferedBlockDispatcher
@@ -1211,14 +1201,14 @@ describe("registerTelegramNativeCommands — session metadata", () => {
       expect.objectContaining({
         sessionId: "sess-topic",
         sessionKey: "agent:main:telegram:group:-1001234567890:topic:42",
-        fallbackSessionFile: path.resolve("/tmp/openclaw-sessions", "sess-topic-topic-42.jsonl"),
+        fallbackSessionFile: "sqlite-transcript://main/sess-topic.jsonl",
       }),
     );
     expect(pluginRuntimeMocks.executePluginCommand).toHaveBeenCalledWith(
       expect.objectContaining({
         sessionKey: "agent:main:telegram:group:-1001234567890:topic:42",
         sessionId: "sess-topic",
-        sessionFile: path.resolve("/tmp/openclaw-sessions", "sess-topic-topic-42.jsonl"),
+        sessionFile: "sqlite-transcript://main/sess-topic.jsonl",
         messageThreadId: 42,
       }),
     );
diff --git a/src/agents/btw-transcript.ts b/src/agents/btw-transcript.ts
index 2be70fa1a1a..987590d10ef 100644
--- a/src/agents/btw-transcript.ts
+++ b/src/agents/btw-transcript.ts
@@ -24,7 +24,7 @@ export function resolveBtwSessionTranscriptPath(params: {
     return createSqliteSessionTranscriptLocator({ agentId, sessionId: params.sessionId });
   } catch (error) {
     diag.debug(
-      `resolveSessionTranscriptPath failed: sessionId=${params.sessionId} err=${String(error)}`,
+      `createSqliteSessionTranscriptLocator failed: sessionId=${params.sessionId} err=${String(error)}`,
     );
     return undefined;
   }
diff --git a/src/config/sessions.test.ts b/src/config/sessions.test.ts
index 27c58f8bb34..9e275d6a8f1 100644
--- a/src/config/sessions.test.ts
+++ b/src/config/sessions.test.ts
@@ -12,11 +12,7 @@ import {
   resolveSessionKey,
   updateLastRoute,
 } from "./sessions.js";
-import {
-  resolveSessionFilePath,
-  resolveSessionTranscriptPath,
-  resolveSessionTranscriptsDir,
-} from "./sessions/paths.js";
+import { resolveSessionFilePath, resolveSessionTranscriptsDir } from "./sessions/paths.js";
 import {
   deleteSessionEntry,
   listSessionEntries,
@@ -611,21 +607,6 @@ describe("sessions", () => {
     expect(dir).toBe(path.join(path.resolve("/custom/state"), "agents", "main", "sessions"));
   });
 
-  it("includes topic ids in session transcript filenames", () => {
-    withStateDir("/custom/state", () => {
-      const sessionFile = resolveSessionTranscriptPath("sess-1", "main", 123);
-      expect(sessionFile).toBe(
-        path.join(
-          path.resolve("/custom/state"),
-          "agents",
-          "main",
-          "sessions",
-          "sess-1-topic-123.jsonl",
-        ),
-      );
-    });
-  });
-
   it("uses agent id when resolving session file fallback paths", () => {
     withStateDir("/custom/state", () => {
       const sessionFile = resolveSessionFilePath("sess-2", undefined, {
diff --git a/src/config/sessions/paths.ts b/src/config/sessions/paths.ts
index 5a73f8a53fb..0a7b933c50e 100644
--- a/src/config/sessions/paths.ts
+++ b/src/config/sessions/paths.ts
@@ -99,33 +99,6 @@ export function isSqliteSessionTranscriptLocator(locator: string | undefined): b
   return typeof locator === "string" && parseSqliteSessionTranscriptLocator(locator) !== undefined;
 }
 
-export function resolveSessionTranscriptPathInDir(
-  sessionId: string,
-  sessionsDir: string,
-  topicId?: string | number,
-): string {
-  const safeSessionId = validateSessionId(sessionId);
-  const safeTopicId =
-    typeof topicId === "string"
-      ? encodeURIComponent(topicId)
-      : typeof topicId === "number"
-        ? String(topicId)
-        : undefined;
-  const fileName =
-    safeTopicId !== undefined
-      ? `${safeSessionId}-topic-${safeTopicId}.jsonl`
-      : `${safeSessionId}.jsonl`;
-  return path.resolve(sessionsDir, fileName);
-}
-
-export function resolveSessionTranscriptPath(
-  sessionId: string,
-  agentId?: string,
-  topicId?: string | number,
-): string {
-  return resolveSessionTranscriptPathInDir(sessionId, resolveAgentSessionsDir(agentId), topicId);
-}
-
 export function resolveSessionFilePath(
   sessionId: string,
   entry?: { sessionFile?: string },
diff --git a/src/config/sessions/sessions.test.ts b/src/config/sessions/sessions.test.ts
index b0572662d87..4ae551660e7 100644
--- a/src/config/sessions/sessions.test.ts
+++ b/src/config/sessions/sessions.test.ts
@@ -9,7 +9,6 @@ import { resolveSessionLifecycleTimestamps } from "./lifecycle.js";
 import {
   createSqliteSessionTranscriptLocator,
   resolveSessionFilePath,
-  resolveSessionTranscriptPathInDir,
   validateSessionId,
 } from "./paths.js";
 import { evaluateSessionFreshness, resolveSessionResetPolicy } from "./reset.js";
@@ -38,13 +37,6 @@ describe("session path safety", () => {
     }
   });
 
-  it("resolves transcript path inside an explicit sessions dir", () => {
-    const sessionsDir = "/tmp/openclaw/agents/main/sessions";
-    const resolved = resolveSessionTranscriptPathInDir("sess-1", sessionsDir, "topic/a+b");
-
-    expect(resolved).toBe(path.resolve(sessionsDir, "sess-1-topic-topic%2Fa%2Bb.jsonl"));
-  });
-
   it("ignores legacy sessionFile paths", () => {
     const resolved = resolveSessionFilePath("sess-1", {
       sessionFile: "/tmp/openclaw/agents/work/not-sessions/abc-123.jsonl",
@@ -574,7 +566,7 @@ describe("resolveAndPersistSessionFile", () => {
   it("creates and persists a SQLite locator when session is not yet present", async () => {
     const sessionId = "new-session-id";
     const sessionKey = "agent:main:telegram:group:123";
-    const fallbackSessionFile = resolveSessionTranscriptPathInDir(sessionId, fixture.sessionsDir());
+    const fallbackSessionFile = path.join(fixture.sessionsDir(), `${sessionId}.jsonl`);
     const expectedSessionFile = createSqliteSessionTranscriptLocator({
       agentId: "main",
       sessionId,
@@ -596,7 +588,7 @@ describe("resolveAndPersistSessionFile", () => {
   it("normalizes legacy stored transcript paths to SQLite locators", async () => {
     const sessionId = "legacy-path-session-id";
     const sessionKey = "agent:main:telegram:group:456";
-    const legacySessionFile = resolveSessionTranscriptPathInDir(sessionId, fixture.sessionsDir());
+    const legacySessionFile = path.join(fixture.sessionsDir(), `${sessionId}.jsonl`);
     const expectedSessionFile = createSqliteSessionTranscriptLocator({
       agentId: "main",
       sessionId,
@@ -626,10 +618,7 @@ describe("resolveAndPersistSessionFile", () => {
     const previousSessionId = "old-session-id";
     const nextSessionId = "new-session-id";
     const sessionKey = "agent:main:telegram:group:123";
-    const previousSessionFile = resolveSessionTranscriptPathInDir(
-      previousSessionId,
-      fixture.sessionsDir(),
-    );
+    const previousSessionFile = path.join(fixture.sessionsDir(), `${previousSessionId}.jsonl`);
     const expectedNextSessionFile = createSqliteSessionTranscriptLocator({
       agentId: "main",
       sessionId: nextSessionId,
diff --git a/src/config/sessions/transcript.test.ts b/src/config/sessions/transcript.test.ts
index 2048788d9a6..350c200dd67 100644
--- a/src/config/sessions/transcript.test.ts
+++ b/src/config/sessions/transcript.test.ts
@@ -8,10 +8,7 @@ import {
   closeOpenClawStateDatabaseForTest,
   openOpenClawStateDatabase,
 } from "../../state/openclaw-state-db.js";
-import {
-  createSqliteSessionTranscriptLocator,
-  resolveSessionTranscriptPathInDir,
-} from "./paths.js";
+import { createSqliteSessionTranscriptLocator } from "./paths.js";
 import { upsertSessionEntry } from "./store.js";
 import { useTempSessionsFixture } from "./test-helpers.js";
 import { appendSessionTranscriptMessage } from "./transcript-append.js";
@@ -431,7 +428,10 @@ describe("appendAssistantMessageToSessionTranscript", () => {
 
   it("serializes concurrent parent-linked transcript appends", async () => {
     const targetSessionId = "concurrent-tree-session";
-    const sessionFile = resolveSessionTranscriptPathInDir(targetSessionId, fixture.sessionsDir());
+    const sessionFile = createSqliteSessionTranscriptLocator({
+      agentId: "main",
+      sessionId: targetSessionId,
+    });
     appendSqliteSessionTranscriptEvent({
       agentId: "main",
       sessionId: targetSessionId,
@@ -470,7 +470,10 @@ describe("appendAssistantMessageToSessionTranscript", () => {
 
   it("appends to existing SQLite transcript chains", async () => {
     const targetSessionId = "small-linear-session";
-    const sessionFile = resolveSessionTranscriptPathInDir(targetSessionId, fixture.sessionsDir());
+    const sessionFile = createSqliteSessionTranscriptLocator({
+      agentId: "main",
+      sessionId: targetSessionId,
+    });
     appendSqliteSessionTranscriptEvent({
       agentId: "main",
       sessionId: targetSessionId,
@@ -525,10 +528,10 @@ describe("appendAssistantMessageToSessionTranscript", () => {
   it("appends scoped SQLite transcript entries without importing JSONL at runtime", async () => {
     const stateDir = fs.mkdtempSync(path.join(os.tmpdir(), "openclaw-transcript-state-"));
     vi.stubEnv("OPENCLAW_STATE_DIR", stateDir);
-    const sessionFile = resolveSessionTranscriptPathInDir(
-      "sqlite-import-session",
-      fixture.sessionsDir(),
-    );
+    const sessionFile = createSqliteSessionTranscriptLocator({
+      agentId: "main",
+      sessionId: "sqlite-import-session",
+    });
     appendSqliteSessionTranscriptEvent({
       agentId: "main",
       sessionId: "sqlite-import-session",
@@ -572,10 +575,10 @@ describe("appendAssistantMessageToSessionTranscript", () => {
   it("mirrors a newly created scoped transcript header into SQLite", async () => {
     const stateDir = fs.mkdtempSync(path.join(os.tmpdir(), "openclaw-transcript-state-"));
     vi.stubEnv("OPENCLAW_STATE_DIR", stateDir);
-    const sessionFile = resolveSessionTranscriptPathInDir(
-      "sqlite-new-session",
-      fixture.sessionsDir(),
-    );
+    const sessionFile = createSqliteSessionTranscriptLocator({
+      agentId: "main",
+      sessionId: "sqlite-new-session",
+    });
 
     const appended = await appendSessionTranscriptMessage({
       transcriptPath: sessionFile,
diff --git a/src/cron/isolated-agent/run.test-harness.ts b/src/cron/isolated-agent/run.test-harness.ts
index 779cd47ef3d..9dc39e2e6d5 100644
--- a/src/cron/isolated-agent/run.test-harness.ts
+++ b/src/cron/isolated-agent/run.test-harness.ts
@@ -84,7 +84,7 @@ const normalizeVerboseLevelMock = createMock();
 export const isThinkingLevelSupportedMock = createMock();
 export const resolveSupportedThinkingLevelMock = createMock();
 const supportsXHighThinkingMock = createMock();
-const resolveSessionTranscriptPathMock = createMock();
+const createSqliteSessionTranscriptLocatorMock = createMock();
 const setSessionRuntimeModelMock = createMock();
 const registerAgentRunContextMock = createMock();
 const buildSafeExternalPromptMock = createMock();
@@ -117,7 +117,7 @@ vi.mock("./run.runtime.js", () => ({
   isThinkingLevelSupported: isThinkingLevelSupportedMock,
   resolveSupportedThinkingLevel: resolveSupportedThinkingLevelMock,
   supportsXHighThinking: supportsXHighThinkingMock,
-  resolveSessionTranscriptPath: resolveSessionTranscriptPathMock,
+  createSqliteSessionTranscriptLocator: createSqliteSessionTranscriptLocatorMock,
   setSessionRuntimeModel: setSessionRuntimeModelMock,
   setCliSessionId: vi.fn(),
   logWarn: (...args: unknown[]) => logWarnMock(...args),
@@ -174,7 +174,6 @@ vi.mock("./run-execution.runtime.js", () => ({
   countActiveDescendantRuns: countActiveDescendantRunsMock,
   listDescendantRunsForRequester: listDescendantRunsForRequesterMock,
   normalizeVerboseLevel: normalizeVerboseLevelMock,
-  resolveSessionTranscriptPath: resolveSessionTranscriptPathMock,
   registerAgentRunContext: registerAgentRunContextMock,
   logWarn: (...args: unknown[]) => logWarnMock(...args),
 }));
@@ -357,7 +356,10 @@ function resetRunExecutionMocks(): void {
   resolveFastModeStateMock.mockImplementation((params) => resolveFastModeStateImpl(params));
   resolveCronAgentLaneMock.mockReturnValue(undefined);
   normalizeVerboseLevelMock.mockImplementation((value: unknown) => value ?? "off");
-  resolveSessionTranscriptPathMock.mockReturnValue("/tmp/transcript.jsonl");
+  createSqliteSessionTranscriptLocatorMock.mockImplementation(
+    ({ agentId = "main", sessionId }: { agentId?: string; sessionId: string }) =>
+      `sqlite-transcript://${agentId}/${sessionId}.jsonl`,
+  );
   registerAgentRunContextMock.mockReturnValue(undefined);
   runWithModelFallbackMock.mockReset();
   runWithModelFallbackMock.mockResolvedValue(makeDefaultModelFallbackResult());
diff --git a/src/gateway/server.sessions-send.test.ts b/src/gateway/server.sessions-send.test.ts
index f6a5835f999..b52df612965 100644
--- a/src/gateway/server.sessions-send.test.ts
+++ b/src/gateway/server.sessions-send.test.ts
@@ -1,7 +1,7 @@
 import fs from "node:fs/promises";
 import path from "node:path";
 import { afterAll, beforeAll, beforeEach, describe, expect, it, type Mock } from "vitest";
-import { resolveSessionTranscriptPath } from "../config/sessions/paths.js";
+import { createSqliteSessionTranscriptLocator } from "../config/sessions/paths.js";
 import { replaceSqliteSessionTranscriptEvents } from "../config/sessions/transcript-store.sqlite.js";
 import { emitAgentEvent } from "../infra/agent-events.js";
 import { captureEnv } from "../test-utils/env.js";
@@ -51,7 +51,7 @@ async function emitLifecycleAssistantReply(params: {
   };
   const sessionId = commandParams.sessionId ?? params.defaultSessionId;
   const runId = commandParams.runId ?? sessionId;
-  const sessionFile = resolveSessionTranscriptPath(sessionId);
+  const sessionFile = createSqliteSessionTranscriptLocator({ agentId: "main", sessionId });
 
   const startedAt = Date.now();
   emitAgentEvent({