Add auto-rotate wallpaper feature with BLoC architecture

[codenameakshay]

Summary

Implements a complete auto-rotate wallpaper feature that allows users to automatically change wallpapers at configurable intervals from various sources (favorites, categories, or collections). The feature includes a full BLoC-based architecture with local persistence and integration with the async_wallpaper plugin.

Key Changes

Feature Implementation

• Auto Rotate Screen (auto_rotate_screen.dart): Complete UI with sections for:
  • Status banner showing rotation state with quick rotate action
  • Source selection (Favorites, Category, Collection) with dynamic dropdowns
  • Screen target selection (Home, Lock, Both)
  • Interval configuration with preset options
  • Trigger settings (charging-based rotation)
  • Rotation order selection (Sequential/Shuffle)
  • Start/Stop controls with loading states

Architecture & Business Logic

• BLoC (auto_rotate_bloc.j.dart): Manages 10 events covering configuration changes, start/stop operations, and status management
• State Management (auto_rotate_state.j.dart): Tracks configuration, running status, available sources, and action states
• Freezed Code Generation: Full immutable data classes with pattern matching support for events and state

Domain Layer

• Entity (auto_rotate_config_entity.dart): Immutable configuration with enums for source type and rotation order
• Repository Interface (auto_rotate_repository.dart): Defines contract for config persistence and rotation control
• Use Cases (auto_rotate_usecases.dart): Five use cases for load, save, start, stop, and status operations

Data Layer

• Local Data Source (auto_rotate_local_data_source.dart): Persists configuration to local storage with proper enum/enum serialization
• Repository Implementation (auto_rotate_repository_impl.dart): Orchestrates wallpaper rotation via async_wallpaper plugin, fetches wallpaper URLs from favorites/categories/collections, and manages rotation lifecycle

Integration

• Dependency Injection: Registered all BLoC, use cases, repository, and data source in the DI container
• Router: Added AutoRotateRoute to app navigation
• Settings Integration: Added navigation link to Auto Rotate screen in Settings
• Persistence Keys: Added 8 new keys for storing auto-rotate configuration

Notable Implementation Details

• Supports three wallpaper sources with dynamic dropdown population from available collections and categories
• Charging trigger allows rotation to be triggered when device is plugged in
• Rotation order can be sequential or shuffled
• Configuration persists across app sessions
• Real-time status checking and manual rotation capability
• Proper error handling with failure states displayed to user
• Disabled configuration changes while rotation is active to prevent conflicts

https://claude.ai/code/session_01Td3B5x53BgciabNMC9kb43

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Android App Size Report

Status: FAIL

Metric	Base	Head	Delta
app-profile.apk	85,112,321 B (81.17 MiB)	103,077,030 B (98.30 MiB)	17,964,709 B (17.13 MiB) (21.11%)

Thresholds: max delta 1,572,864 B (1.50 MiB) OR 5.00%.

Top artifact bucket deltas (uncompressed bytes):

• dex: +640,832 B (0.61 MiB)
• native_libs: +131,072 B (0.12 MiB)
• other: +1,304 B (0.00 MiB)
• assets: +1,092 B (0.00 MiB)
• meta_inf: +20 B (0.00 MiB)