fix(daemon): scope TMPDIR forwarding to macOS services

src/daemon/launchd.test.ts

@@ -151,6 +151,26 @@ describe("launchd install", () => {
     expect(bootstrapIndex).toBeGreaterThanOrEqual(0);
     expect(enableIndex).toBeLessThan(bootstrapIndex);
   });
+
+  it("writes TMPDIR to LaunchAgent environment when provided", async () => {
+    const env: Record<string, string | undefined> = {
+      HOME: "/Users/test",
+      OPENCLAW_PROFILE: "default",
+    };
+    const tmpDir = "/var/folders/xy/abc123/T/";
+    await installLaunchAgent({
+      env,
+      stdout: new PassThrough(),
+      programArguments: ["node", "-e", "process.exit(0)"],
+      environment: { TMPDIR: tmpDir },
+    });
+
+    const plistPath = resolveLaunchAgentPlistPath(env);
+    const plist = state.files.get(plistPath) ?? "";
+    expect(plist).toContain("<key>EnvironmentVariables</key>");
+    expect(plist).toContain("<key>TMPDIR</key>");
+    expect(plist).toContain(`<string>${tmpDir}</string>`);
+  });
 });
 
 describe("resolveLaunchAgentPlistPath", () => {

src/daemon/service-env.test.ts

@@ -1,5 +1,5 @@
 import path from "node:path";
-import { describe, expect, it } from "vitest";
+import { afterEach, describe, expect, it } from "vitest";
 import { resolveGatewayStateDir } from "./paths.js";
 import {
   buildMinimalServicePath,
@@ -9,6 +9,16 @@ import {
   getMinimalServicePathPartsFromEnv,
 } from "./service-env.js";
 
+const originalPlatform = process.platform;
+
+function setPlatform(platform: NodeJS.Platform): void {
+  Object.defineProperty(process, "platform", { value: platform, configurable: true });
+}
+
+afterEach(() => {
+  Object.defineProperty(process, "platform", { value: originalPlatform, configurable: true });
+});
+
 describe("getMinimalServicePathParts - Linux user directories", () => {
   it("includes user bin directories when HOME is set on Linux", () => {
     const result = getMinimalServicePathParts({
@@ -282,7 +292,8 @@ describe("buildServiceEnvironment", () => {
     }
   });
 
-  it("forwards TMPDIR from the host environment", () => {
+  it("forwards TMPDIR from the host environment on macOS", () => {
+    setPlatform("darwin");
     const env = buildServiceEnvironment({
       env: { HOME: "/home/user", TMPDIR: "/var/folders/xw/abc123/T/" },
       port: 18789,
@@ -290,6 +301,15 @@ describe("buildServiceEnvironment", () => {
     expect(env.TMPDIR).toBe("/var/folders/xw/abc123/T/");
   });
 
+  it("does not forward TMPDIR on non-macOS services", () => {
+    setPlatform("linux");
+    const env = buildServiceEnvironment({
+      env: { HOME: "/home/user", TMPDIR: "/tmp/custom" },
+      port: 18789,
+    });
+    expect(env.TMPDIR).toBeUndefined();
+  });
+
   it("omits TMPDIR when not set in host environment", () => {
     const env = buildServiceEnvironment({
       env: { HOME: "/home/user" },
@@ -318,12 +338,21 @@ describe("buildNodeServiceEnvironment", () => {
     expect(env.HOME).toBe("/home/user");
   });
 
-  it("forwards TMPDIR for node services", () => {
+  it("forwards TMPDIR for node services on macOS", () => {
+    setPlatform("darwin");
     const env = buildNodeServiceEnvironment({
       env: { HOME: "/home/user", TMPDIR: "/tmp/custom" },
     });
     expect(env.TMPDIR).toBe("/tmp/custom");
   });
+
+  it("does not forward TMPDIR for node services on non-macOS platforms", () => {
+    setPlatform("linux");
+    const env = buildNodeServiceEnvironment({
+      env: { HOME: "/home/user", TMPDIR: "/tmp/custom" },
+    });
+    expect(env.TMPDIR).toBeUndefined();
+  });
 });
 
 describe("resolveGatewayStateDir", () => {

src/daemon/service-env.ts

@@ -212,9 +212,11 @@ export function buildServiceEnvironment(params: {
   const systemdUnit = `${resolveGatewaySystemdServiceName(profile)}.service`;
   const stateDir = env.OPENCLAW_STATE_DIR;
   const configPath = env.OPENCLAW_CONFIG_PATH;
+  // launchd on macOS does not inherit shell TMPDIR by default; forward it explicitly there.
+  const tmpDir = process.platform === "darwin" ? env.TMPDIR : undefined;
   return {
     HOME: env.HOME,
-    TMPDIR: env.TMPDIR,
+    TMPDIR: tmpDir,
     PATH: buildMinimalServicePath({ env }),
     OPENCLAW_PROFILE: profile,
     OPENCLAW_STATE_DIR: stateDir,
@@ -235,9 +237,11 @@ export function buildNodeServiceEnvironment(params: {
   const { env } = params;
   const stateDir = env.OPENCLAW_STATE_DIR;
   const configPath = env.OPENCLAW_CONFIG_PATH;
+  // Keep TMPDIR propagation scoped to macOS launchd installs.
+  const tmpDir = process.platform === "darwin" ? env.TMPDIR : undefined;
   return {
     HOME: env.HOME,
-    TMPDIR: env.TMPDIR,
+    TMPDIR: tmpDir,
     PATH: buildMinimalServicePath({ env }),
     OPENCLAW_STATE_DIR: stateDir,
     OPENCLAW_CONFIG_PATH: configPath,