App 2.18.1: every tab fits the car's window without scrolling

Charging and Consumption get two-column wide layouts; Live data and
Settings are tightened (fields beside their buttons, button rows,
16 dp vertical card padding). Checked on the emulator at 1778x640.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01QLJfZQZeAKAwSqViTmLzki

SPECS.md

@@ -118,6 +118,13 @@ 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).
+- 2026-10-18 — App 2.18.1: every tab fits the car's window (1778×640 dp) without scrolling — checked
+  on the emulator by swiping each page and comparing screenshots. Charging and Consumption get wide
+  layouts with two columns (values | curve; period totals | daily log and storage note); the curve
+  table scrolls inside its card, so a long session no longer stretches the page. Live data: ABRP key
+  and token side by side, Save / Test / Enter on phone in one row. Settings: save buttons beside
+  their fields, charging price under Battery, "Enter on phone" in a card of its own above App. Wide
+  pages use 12 dp top padding. With real data the value texts are longer; not tried on the car.
 - 2026-10-18 — App 2.18.0: Settings → App → "Install from USB stick" (car build only): the newest
   `NilsMG4-unstable-<version>.apk` newer than the installed one in a stick's top folder, checked
   against its `.sha256` and the package, installed with the OTA installer session. Tested on the