fix: assign reset transcript paths to new sessions

src/gateway/server.sessions.gateway-server-sessions-a.test.ts

@@ -1095,12 +1095,19 @@ describe("gateway server sessions", () => {
     const reset = await rpcReq<{
       ok: true;
       key: string;
-      entry: { sessionId: string; modelProvider?: string; model?: string; contextTokens?: number };
+      entry: {
+        sessionId: string;
+        sessionFile?: string;
+        modelProvider?: string;
+        model?: string;
+        contextTokens?: number;
+      };
     }>(ws, "sessions.reset", { key: "main" });
 
     expect(reset.ok).toBe(true);
     expect(reset.payload?.key).toBe("agent:main:main");
     expect(reset.payload?.entry.sessionId).not.toBe("sess-stale-model");
+    expect(reset.payload?.entry.sessionFile).toBeTruthy();
     expect(reset.payload?.entry.modelProvider).toBe("openai");
     expect(reset.payload?.entry.model).toBe("gpt-test-a");
     expect(reset.payload?.entry.contextTokens).toBeUndefined();

src/gateway/session-reset-service.ts

@@ -11,6 +11,7 @@ import {
   type SessionEntry,
   updateSessionStore,
 } from "../config/sessions.js";
+import { resolveSessionFilePath, resolveSessionFilePathOptions } from "../config/sessions/paths.js";
 import { logVerbose } from "../globals.js";
 import { createInternalHookEvent, triggerInternalHook } from "../hooks/internal-hooks.js";
 import { closeTrackedBrowserTabsForSessions } from "../plugin-sdk/browser-runtime.js";
@@ -306,8 +307,18 @@ export async function performGatewaySessionReset(params: {
     oldSessionId = currentEntry?.sessionId;
     oldSessionFile = currentEntry?.sessionFile;
     const now = Date.now();
+    const nextSessionId = randomUUID();
+    const sessionFile = resolveSessionFilePath(
+      nextSessionId,
+      undefined,
+      resolveSessionFilePathOptions({
+        storePath,
+        agentId: sessionAgentId,
+      }),
+    );
     const nextEntry: SessionEntry = {
-      sessionId: randomUUID(),
+      sessionId: nextSessionId,
+      sessionFile,
       updatedAt: now,
       systemSent: false,
       abortedLastRun: false,