diff --git a/src/agents/pi-embedded-runner/run.overflow-compaction.harness.ts b/src/agents/pi-embedded-runner/run.overflow-compaction.harness.ts
index b26e2e5c643..6efce531a3c 100644
--- a/src/agents/pi-embedded-runner/run.overflow-compaction.harness.ts
+++ b/src/agents/pi-embedded-runner/run.overflow-compaction.harness.ts
@@ -228,7 +228,7 @@ export const mockedShouldPreferExplicitConfigApiKeyAuth = vi.fn(() => false);
 export const overflowBaseRunParams = {
   sessionId: "test-session",
   sessionKey: "test-key",
-  sessionFile: "/tmp/session.json",
+  sessionFile: "sqlite-transcript://main/test-session.jsonl",
   workspaceDir: "/tmp/workspace",
   prompt: "hello",
   timeoutMs: 30000,
diff --git a/src/agents/pi-embedded-runner/run.overflow-compaction.loop.test.ts b/src/agents/pi-embedded-runner/run.overflow-compaction.loop.test.ts
index 23b97573461..df216857aec 100644
--- a/src/agents/pi-embedded-runner/run.overflow-compaction.loop.test.ts
+++ b/src/agents/pi-embedded-runner/run.overflow-compaction.loop.test.ts
@@ -246,7 +246,7 @@ describe("overflow compaction in run loop", () => {
       expect.objectContaining({ contextWindowTokens: 200000 }),
     );
     expect(mockedTruncateOversizedToolResultsInSession).toHaveBeenCalledWith(
-      expect.objectContaining({ sessionFile: "/tmp/session.json" }),
+      expect.objectContaining({ sessionFile: "sqlite-transcript://main/test-session.jsonl" }),
     );
     expect(mockedRunEmbeddedAttempt).toHaveBeenCalledTimes(2);
     expect(mockedLog.info).toHaveBeenCalledWith(
@@ -302,7 +302,7 @@ describe("overflow compaction in run loop", () => {
       }),
     );
     expect(mockedTruncateOversizedToolResultsInSession).toHaveBeenCalledWith(
-      expect.objectContaining({ sessionFile: "/tmp/session.json" }),
+      expect.objectContaining({ sessionFile: "sqlite-transcript://main/test-session.jsonl" }),
     );
     expect(mockedRunEmbeddedAttempt).toHaveBeenCalledTimes(2);
     expect(mockedLog.info).toHaveBeenCalledWith(
@@ -472,7 +472,7 @@ describe("overflow compaction in run loop", () => {
 
     expect(mockedCompactDirect).toHaveBeenCalledTimes(1);
     expect(mockedTruncateOversizedToolResultsInSession).toHaveBeenCalledWith(
-      expect.objectContaining({ sessionFile: "/tmp/session.json" }),
+      expect.objectContaining({ sessionFile: "sqlite-transcript://main/test-session.jsonl" }),
     );
     expect(mockedRunEmbeddedAttempt).toHaveBeenCalledTimes(2);
     expect(mockedLog.info).toHaveBeenCalledWith(
diff --git a/src/agents/pi-embedded-runner/run.overflow-compaction.test.ts b/src/agents/pi-embedded-runner/run.overflow-compaction.test.ts
index b02df51c4bb..3029bed821f 100644
--- a/src/agents/pi-embedded-runner/run.overflow-compaction.test.ts
+++ b/src/agents/pi-embedded-runner/run.overflow-compaction.test.ts
@@ -166,7 +166,7 @@ describe("runEmbeddedPiAgent overflow compaction trigger routing", () => {
     await runEmbeddedPiAgent({
       sessionId: "test-session",
       sessionKey: "test-key",
-      sessionFile: "/tmp/session.json",
+      sessionFile: "sqlite-transcript://main/test-session.jsonl",
       workspaceDir: "/tmp/workspace",
       prompt: "hello",
       timeoutMs: 30000,
@@ -583,7 +583,7 @@ describe("runEmbeddedPiAgent overflow compaction trigger routing", () => {
     expect(mockedCompactDirect).toHaveBeenCalledWith(
       expect.objectContaining({
         sessionId: "test-session",
-        sessionFile: "/tmp/session.json",
+        sessionFile: "sqlite-transcript://main/test-session.jsonl",
         runtimeContext: expect.objectContaining({
           trigger: "overflow",
           authProfileId: "test-profile",
@@ -736,7 +736,7 @@ describe("runEmbeddedPiAgent overflow compaction trigger routing", () => {
     await runEmbeddedPiAgent(overflowBaseRunParams);
 
     expect(mockedGlobalHookRunner.runBeforeCompaction).toHaveBeenCalledWith(
-      { messageCount: -1, sessionFile: "/tmp/session.json" },
+      { messageCount: -1, sessionFile: "sqlite-transcript://main/test-session.jsonl" },
       expect.objectContaining({
         sessionKey: "test-key",
       }),
@@ -746,7 +746,7 @@ describe("runEmbeddedPiAgent overflow compaction trigger routing", () => {
         messageCount: -1,
         compactedCount: -1,
         tokenCount: 50,
-        sessionFile: "/tmp/session.json",
+        sessionFile: "sqlite-transcript://main/test-session.jsonl",
       },
       expect.objectContaining({
         sessionKey: "test-key",
@@ -775,7 +775,7 @@ describe("runEmbeddedPiAgent overflow compaction trigger routing", () => {
         contextEngine: mockedContextEngine,
         sessionId: "test-session",
         sessionKey: "test-key",
-        sessionFile: "/tmp/session.json",
+        sessionFile: "sqlite-transcript://main/test-session.jsonl",
         reason: "compaction",
         runtimeContext: expect.objectContaining({
           trigger: "overflow",
diff --git a/src/agents/pi-embedded-runner/run.timeout-triggered-compaction.test.ts b/src/agents/pi-embedded-runner/run.timeout-triggered-compaction.test.ts
index 073e6adb65b..f43e21aa157 100644
--- a/src/agents/pi-embedded-runner/run.timeout-triggered-compaction.test.ts
+++ b/src/agents/pi-embedded-runner/run.timeout-triggered-compaction.test.ts
@@ -75,7 +75,7 @@ describe("timeout-triggered compaction", () => {
     expect(mockedCompactDirect).toHaveBeenCalledWith(
       expect.objectContaining({
         sessionId: "test-session",
-        sessionFile: "/tmp/session.json",
+        sessionFile: "sqlite-transcript://main/test-session.jsonl",
         tokenBudget: 200000,
         force: true,
         compactionTarget: "budget",
@@ -449,7 +449,7 @@ describe("timeout-triggered compaction", () => {
     await runEmbeddedPiAgent(overflowBaseRunParams);
 
     expect(mockedGlobalHookRunner.runBeforeCompaction).toHaveBeenCalledWith(
-      { messageCount: -1, sessionFile: "/tmp/session.json" },
+      { messageCount: -1, sessionFile: "sqlite-transcript://main/test-session.jsonl" },
       expect.objectContaining({
         sessionKey: "test-key",
       }),
@@ -459,7 +459,7 @@ describe("timeout-triggered compaction", () => {
         messageCount: -1,
         compactedCount: -1,
         tokenCount: 70,
-        sessionFile: "/tmp/session.json",
+        sessionFile: "sqlite-transcript://main/test-session.jsonl",
       },
       expect.objectContaining({
         sessionKey: "test-key",
diff --git a/src/auto-reply/reply/queue.test-helpers.ts b/src/auto-reply/reply/queue.test-helpers.ts
index 0b17cce4499..b37529b2303 100644
--- a/src/auto-reply/reply/queue.test-helpers.ts
+++ b/src/auto-reply/reply/queue.test-helpers.ts
@@ -33,7 +33,7 @@ export function createQueueTestRun(params: {
       agentId: "agent",
       agentDir: "/tmp",
       sessionId: "sess",
-      sessionFile: "/tmp/session.json",
+      sessionFile: "sqlite-transcript://agent/sess.jsonl",
       workspaceDir: "/tmp",
       config: {} as OpenClawConfig,
       provider: "openai",