M7b: feature home and account (S-4, S-5, S-6, S-16, S-17)

:feature:home: Home with balance hero, sync pill, accounts, archived section,
empty and first-sync states, update banner and "Tillåt installation" dialog;
sync status with pending rows, rejections of every §14.4.6 reason and the
clock-skew banner. :feature:account: account detail with header, ledger by
month, overflow menu, archive/unarchive/delete and their errors; account
editor with name, percent fields (two decimals), slider, presets, preview,
name_taken/validation errors and offline state. Fake scenarios in
fakes/home and fakes/account; full-screen Roborazzi goldens for every state
in sv/en × light/dark (200 % for long states); ViewModel unit tests.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01TQd3pEP9UeN2uifbHknQ7B

android/feature/account/build.gradle.kts

@@ -1,4 +1,20 @@
 // :feature:account — Account detail and account editor (S-5, S-6; M7b). Convention: android/README.md.
+// Dependencies: :core:model and :core:design; :core:fakes for tests and debug only (all three from kvitt.android.feature).
 plugins {
     id("kvitt.android.feature")
+    alias(libs.plugins.roborazzi)
+}
+
+roborazzi {
+    outputDir.set(file("src/test/screenshots"))
+}
+
+dependencies {
+    testImplementation(libs.kotlinx.coroutines.test)
+    testImplementation(libs.androidx.compose.ui.test.junit4)
+    testImplementation(libs.robolectric)
+    testImplementation(libs.roborazzi)
+    testImplementation(libs.roborazzi.compose)
+    testImplementation(libs.roborazzi.junit.rule)
+    debugImplementation(libs.androidx.compose.ui.test.manifest)
 }