v0.4.0: macOS Card Design System, Copilot Provider & General Sidebar Destinations

Added

• macOS Card Design System & Accessibility:
  • Modern macOS Card Design System (CardView, ThemeTokens) compliant with Apple Human Interface Guidelines and WCAG AA contrast standards.
  • Verified 10 UI surfaces in light, dark, and increased contrast modes with automated AppKit screenshot renders.
• Expanded Provider Integrations:
  • Ported native GitHub Copilot provider (CopilotProvider) with process resolution and editor window targeting.
• General Sidebar Destinations:
  • Four general sidebar destinations: Advanced Settings (cooldown slider, launch at login, defaults reset), What's New (dynamic release notes feed), Support (privacy-sanitized diagnostic exporter and Buy Me a Coffee links), and About Flowback (version metadata and embedded MIT license sheet).
• Navigation & Safety:
  • Back/forward toolbar navigation stack with persistent history.
  • Permissions reset confirmation sheet restoring factory configuration safely.
  • Privacy-guaranteed diagnostic exporter (DiagnosticReportExporter) scrubbing Bearer tokens, passwords, private keys, and user home paths.
• Canonical Versioning & Verification:
  • Authoritative canonical versioning in FlowbackVersion.swift and root VERSION file (0.4.0).
  • Expanded deterministic test harness (FlowbackTestRunner) executing 914 assertions across 24 test suites.
  • Pre-flight local verification script (Scripts/verify_all.sh) validating SwiftLint, compilation, tests, and documentation links.

Changed

• Silenced Command Line Tools search path linker warnings and updated AppKit activation APIs for macOS Sequoia.

Fixed

• Fixed transcript parser escaping for JSON newlines and stripped redundant project path prefixes.
• Corrected AppKit menu bar shortcut conflicts between active conversation shortcuts and system navigation.

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