chore(logging): sanitize diagnostics and reduce noise

lib/widgets/app_bottom_sheet.dart

@@ -3,10 +3,7 @@ import 'package:spotiflac_android/theme/app_tokens.dart';
 
 /// The drag handle shown at the top of every modal sheet.
 ///
-/// Seventeen copies of this container existed across the app in two sizes
-/// (40x4 tinted `onSurfaceVariant`, 32x4 tinted `outlineVariant`) with four
-/// different margins. Sheets that opt into Material's own `showDragHandle`
-/// get an equivalent affordance from the framework and should not add this.
+/// Sheets using Material's `showDragHandle` should not add this handle.
 class AppSheetHandle extends StatelessWidget {
   const AppSheetHandle({super.key, this.margin});
 

lib/widgets/app_sliver_header.dart

@@ -5,11 +5,7 @@ import 'package:spotiflac_android/utils/app_bar_layout.dart';
 /// The collapsing header used by every top-level tab and every settings-style
 /// sub-page.
 ///
-/// This replaces five hand-rolled copies of the same `SliverAppBar` +
-/// `LayoutBuilder` + `FlexibleSpaceBar` block. Those copies had drifted into two
-/// type ramps (tab roots expanded the title to 34pt, sub-pages to 28pt); both
-/// now expand to [AppTokens.headerExpandedTitleSize], which matches the
-/// Material 3 large top app bar headline.
+/// Expanded titles use [AppTokens.headerExpandedTitleSize].
 class AppSliverHeader extends StatelessWidget {
   /// Root of a navigation tab: no back button, and the title stays aligned with
   /// the content margin at every collapse ratio.

lib/widgets/collection_scaffold.dart

@@ -4,12 +4,6 @@ import 'package:spotiflac_android/widgets/selection_bottom_bar.dart';
 /// Shared shell for every track-collection screen: album, playlist, local
 /// album, downloaded album and library folders.
 ///
-/// Before this existed each of those screens built its own `Scaffold` +
-/// `PopScope` + selection plumbing, which is why the same four screens had three
-/// different selection-bar mechanisms and why the playlist screen ended up with
-/// none at all. Screens now supply their header, their content slivers and the
-/// bar contents; everything else is shared:
-///
 /// * back gesture exits selection mode instead of popping the route,
 /// * the selection bar is mounted in the root overlay so it floats above the
 ///   shell navigation bar,

lib/widgets/error_card.dart

@@ -94,10 +94,7 @@ class ErrorCard extends StatelessWidget {
 }
 
 /// Empty-state block with an optional call to action.
-///
-/// Screens used to render a bare icon plus a sentence, leaving the user with
-/// nothing to tap. [action] is the way forward (search, pick a folder, install
-/// an extension, ...).
+/// [action] provides an optional recovery path.
 class EmptyState extends StatelessWidget {
   const EmptyState({
     super.key,

lib/widgets/extension_row.dart

@@ -4,10 +4,6 @@ import 'package:flutter/material.dart';
 import 'package:spotiflac_android/theme/app_tokens.dart';
 
 /// Square extension icon with a tinted fallback.
-///
-/// Both the store and the installed-extensions page drew this by hand with the
-/// same 44dp box, radius and fallback-icon logic, differing only in whether the
-/// image came from a file or the network.
 class ExtensionAvatar extends StatelessWidget {
   const ExtensionAvatar({
     super.key,

lib/widgets/settings_group.dart

@@ -472,11 +472,6 @@ enum SettingsChipLayout {
 }
 
 /// Single-select chip used across the settings pages.
-///
-/// Five private copies of this existed (theme mode, view mode, update channel,
-/// download service, generic choice), each re-deriving the same unselected
-/// fill and re-declaring radius 12. They now share one implementation, so the
-/// selected/unselected treatment is identical everywhere.
 class SettingsChoiceChip extends StatelessWidget {
   const SettingsChoiceChip({
     super.key,
@@ -604,9 +599,6 @@ class SettingsChoiceGrid extends StatelessWidget {
 enum SettingsInfoTone { neutral, warning, error }
 
 /// Inline explanatory or warning callout inside a settings page.
-///
-/// The `Container` + icon + text combination was inlined at a dozen call sites
-/// with three different radii and four different container colours.
 class SettingsInfoCard extends StatelessWidget {
   const SettingsInfoCard({
     super.key,

lib/widgets/track_card.dart

@@ -17,12 +17,8 @@ enum TrackCardStyle {
 
 /// The one track row in the app.
 ///
-/// Six near-identical implementations existed before this
-/// (`TrackListTile`, `AlbumTrackTile`, the queue item, the bridge item, the
-/// unified library item and the folder tile), each with its own radius,
-/// padding, title style and selection treatment. Screens now supply only the
-/// parts that genuinely differ: [leading], [subtitle], [trailing] and an
-/// optional [background] layer for download progress.
+/// Screens provide [leading], [subtitle], [trailing], and an optional
+/// [background] layer for download progress.
 class TrackCard extends StatelessWidget {
   const TrackCard({
     super.key,
@@ -172,10 +168,6 @@ class TrackCard extends StatelessWidget {
 
 /// Grid counterpart of [TrackCard]: square artwork with overlays, then the
 /// title and subtitle underneath.
-///
-/// Replaces three copies that each re-declared the radius, the overlay stack
-/// and the label typography, and used a bare `GestureDetector` (no ripple, no
-/// semantics).
 class TrackGridCard extends StatelessWidget {
   const TrackGridCard({
     super.key,
@@ -316,9 +308,6 @@ class TrackGridPlayButton extends StatelessWidget {
 }
 
 /// Square artwork placeholder shared by every track row and grid cell.
-///
-/// The `Container` + `surfaceContainerHighest` + `music_note` combination was
-/// repeated at roughly a dozen call sites with four different radii.
 class TrackCoverPlaceholder extends StatelessWidget {
   const TrackCoverPlaceholder({super.key, this.size, this.borderRadius});