Add slim custom title bar and status path display

[AlanRockefeller]

Summary by CodeRabbit

Release Notes - Version 1.6.1

• New Features
  • Redesigned frameless window with custom title bar featuring hover-revealed menus
  • Added custom minimize, maximize, and close buttons
  • Integrated zoom level indicator in the title bar
  • Added current directory path display in the status bar with tooltip
  • Improved image prefetching performance with expanded prefetch radius

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: d40af4d4-02f4-46e2-bf09-a4cc36d10ed3

📥 Commits

Reviewing files that changed from the base of the PR and between ff5a6f8 and 3582be1.

📒 Files selected for processing (5)

• ChangeLog.md
• README.md
• faststack/qml/Components.qml
• faststack/qml/Main.qml
• pyproject.toml

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Walkthrough

This PR implements a custom frameless window UI for version 1.6.1, introducing a slim custom title bar with hover-revealed menus, window control buttons, a zoom indicator, and directory path display in the status bar. It exposes zoom scale properties from the image rotator component and updates version identifiers.

Changes

Cohort / File(s)	Summary
Version Updates ChangeLog.md, README.md, pyproject.toml	Updated version identifiers from 1.6.0 to 1.6.1 with changelog entries documenting new UI features and performance improvements.
Zoom State Exposure faststack/qml/Components.qml	Added two readonly properties (currentZoomScale, currentFitScale) to expose internal image rotator zoom state to parent components.
Frameless Window & Custom UI faststack/qml/Main.qml	Replaced standard window chrome with frameless window and custom title bar, including hover-revealed menu buttons, draggable window movement, window control buttons (minimize/maximize/close), zoom indicator label, directory path display in footer, custom resize handles, and layout adjustments to accommodate new title bar.

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~25 minutes

Possibly related PRs

• Release v0.6 — more improvements #9: Modifies faststack/qml/Main.qml window behavior and flags (FramelessWindowHint changes for similar frameless window handling)
• Release v0.6 — more improvements #8: Modifies faststack/qml/Components.qml zoom-change handlers and state management
• Release v0.7 — more improvements #12: Modifies both faststack/qml/Main.qml and faststack/qml/Components.qml UI components including MouseArea drag behavior

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately reflects the main changes: a custom title bar implementation and status path display feature added across multiple QML and configuration files.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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[chatgpt-codex-connector]

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Reviewed commit: 3582be1c5f

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[chatgpt-codex-connector]

Restore maximized loupe windows after frameless mode

After introducing Qt.FramelessWindowHint, maximized windows on Windows can report Window.FullScreen (as your new isMaximized comment notes), but exitFullScreenLoupe() still only restores maximized state when savedWindowGeometry.visibility === Window.Maximized. In the common flow “maximize window -> enter loupe fullscreen -> exit loupe fullscreen”, the saved state is FullScreen, so the app now returns to a normal window instead of the previous maximized state.

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