fix: add regression depth + changelog for browser extraArgs (#29882) (thanks @gushiaoke)

CHANGELOG.md

@@ -59,6 +59,7 @@ Docs: https://docs.openclaw.ai
 - Browser/Act request compatibility: accept legacy flattened `action="act"` params (`kind/ref/text/...`) in addition to `request={...}` so browser act calls no longer fail with `request required`. (#15120) Thanks @vincentkoc.
 - Browser/Extension relay stale tabs: evict stale cached targets from `/json/list` when extension targets are destroyed/crashed or commands fail with missing target/session errors. (#6175) Thanks @vincentkoc.
 - CLI/Browser start timeout: honor `openclaw browser --timeout <ms> start` and stop by removing the fixed 15000ms override so slower Chrome startups can use caller-provided timeouts. (#22412, #23427) Thanks @vincentkoc.
+- Browser/Config schema: accept `browser.extraArgs` in config validation and reject invalid non-array/non-string values with explicit schema regressions coverage. (#29882) Thanks @gushiaoke.
 - Browser/CDP startup diagnostics: include Chrome stderr output and a Linux no-sandbox hint in startup timeout errors so failed launches are easier to diagnose. (#29312) Thanks @veast.
 - Docker/Image health checks: add Dockerfile `HEALTHCHECK` that probes gateway `GET /healthz` so container runtimes can mark unhealthy instances without requiring auth credentials in the probe command. (#11478) Thanks @U-C4N and @vincentkoc.
 - Docker/Sandbox bootstrap hardening: make `OPENCLAW_SANDBOX` opt-in parsing explicit (`1|true|yes|on`), support custom Docker socket paths via `OPENCLAW_DOCKER_SOCKET`, defer docker.sock exposure until sandbox prerequisites pass, and reset/roll back persisted sandbox mode to `off` when setup is skipped or partially fails to avoid stale broken sandbox state. (#29974) Thanks @jamtujest and @vincentkoc.

src/config/config.schema-regressions.test.ts

@@ -184,4 +184,14 @@ describe("config schema regressions", () => {
 
     expect(res.ok).toBe(false);
   });
+
+  it("rejects browser.extraArgs entries that are not strings", () => {
+    const res = validateConfigObject({
+      browser: {
+        extraArgs: ["--incognito", 123] as unknown as string[],
+      },
+    });
+
+    expect(res.ok).toBe(false);
+  });
 });