Resolved all 88 analyzer issues and modernized the codebase with dependency updates and Android build configuration improvements. ## Code Quality Fixes (88 → 0 issues) - Replace deprecated withOpacity() with withValues() for Color objects - Add specific exception types to catch clauses (on Exception) - Fix unawaited future in feed provider tests - Add missing type annotation to OAuth service - Fix line length violations (80 char limit) - Fix control body formatting (multi-line statements) - Convert positional bool params to named params in tests - Apply automated dart fix suggestions ## Dependency Management - Remove unused bluesky package and 18 transitive dependencies - Remove all discontinued packages (at_identifier, at_uri, nsid) - Upgrade flutter_lints: 5.0.0 → 6.0.0 - Upgrade 19 compatible transitive dependencies - Update Flutter SDK: 3.29.2 → 3.35.7 - Update Dart SDK: 3.7.2 → 3.9.2 ## Android Build Configuration - Upgrade Kotlin: 1.8.22 → 2.1.0 (required by Flutter) - Force Java 11 compatibility across all plugins - Set Kotlin JVM target to 11 for consistency - Eliminate all build warnings Result: Clean analyzer, no build warnings, modern dependencies 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>