README: current screenshots and text

The tab screenshots are retaken with 2.35.2 (emulator, fresh install;
the 2.18.1 ones are removed). "Read-only" names the drive mode
exception, the upload frequency matches the app, and the Settings and
Logs rows list what is there now.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LhzAVaUyqcw5PkGjz4mWW6

SPECS.md

@@ -138,6 +138,11 @@ tyre pressures, GPS (lat, lon, elevation, heading) and the is_* flags. It does *
   confirmed car facts, app structure, UI conventions, build/test/ship, documents. It replaces
   upstream's EVABRPUploader text. The test emulator is now in the flake: `nix run .#car-emulator`
   (Android 9 AOSP at 1920×720, 160 dpi; the car build installs as the system user — checked).
+- 2026-10-25 — README.md brought up to date: the tab screenshots retaken with 2.35.2 on the
+  emulator right after installing (`screenshots/nilsmg4-2.35.2-*.png`, the 2.18.1 ones removed),
+  "read-only" now names the drive mode exception, the upload frequency matches the app (1 min by
+  default, 15 s at low battery, 15 min parked), and the Settings and Logs rows list what is there
+  now (Overview style, drive mode, signal recorder).
 - 2026-10-25 — App 2.35.2: the full-screen button is round. Its disc was an even inset in a
   64 × 72 dp (narrow: 64 × 76) area, so an oval; the area is now a square 72 × 72 dp (inset
   18 dp, a 36 dp disc), pulled 8 dp into the panel's padding in the wide layout so "MG4" keeps