AnyDiff v1.5.0

🧩 Configurable 3-Panel Layout & Docking System

• Flexible Panel Assignment:
  • Introduce PanelLayoutManager allowing arbitrary configuration of Left, Center, and Right slots with Changes, Editor, and Agent panels.
  • Interactive panel headers with quick-switch menus, dock actions, and empty slot placeholder views.
  • Automatic panel content movement preventing duplicate views across slots.
  • Panel configuration persisted in UserDefaults (anydiff_panel_slot_*).
• Enhanced Window & Status Bar Controls:
  • Right panel collapsible toggle with animated transitions and state persistence.
  • Status bar quick panel toggles and visual indicators.
  • Menu bar commands for showing/hiding and switching panel contents.

🛡️ Automated Release Pipeline & Homebrew Integrity

• Zero Checksum-Mismatch Automation:
  • Added scripts/release.sh and just publish <version> for automated, atomic release generation and Homebrew tap synchronization.
  • Protected GitHub Actions CI workflow from clobbering release archive hashes.

🧪 Tests & Quality

• Expanded automated test suite to 259 passing tests with full test coverage for PanelLayoutManager and layout slot transitions.

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