LeanBitLab/LeanType beta-432-2

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🚀 LeanType 4.3.2-beta2

🐛 Fixed

• Foldable & Tablet Unfolded Split Detection (#778): Adjusted dimension thresholds in ScreenProfile so book-style foldables (e.g. Galaxy Z Fold, Pixel Fold) in portrait orientation correctly detect ScreenProfile.LARGE even when smallestScreenWidthDp reports outer-screen metrics (360-400dp). Decoupled unfolded split keyboard settings (PREF_ENABLE_SPLIT_KEYBOARD_UNFOLDED) from compact split preferences so enabling/disabling split mode on the outer screen never clobbers inner screen preferences.
• Shift & Auto-Caps Reload Desynchronization (#598): Prevented shift state desynchronization during keyboard reloads and unshifting. Calling setShiftLocked(false) preserves active auto-caps modes in AlphabetShiftState, auto-caps is properly retained across KeyboardState.onRestoreKeyboardState cache reloads, and isDisplayedAlphabetShifted layout inspection enforces unshift visual switches when displayed layouts are shifted.
• Style Preview Chaining & Text Reversion: Reverts existing styled Unicode characters back to plain text before applying new styles in UnicodeStyleEngine.transformText, allowing consecutive style previews and switches without corrupted or chained Unicode transformations.
• Live Typing Isolation & Leaking Guard: Protected password, URL, email, phone, and non-text input fields from live font styling in InputLogic, automatically resets active live styling when switching application packages in LatinIME to prevent leaking decorative styles into system searches or terminal apps, and isolates user history dictionaries (UserHistoryDictionary, TextExpander) from styled characters.
• Backspace Unicode Surrogate Handling: Correctly handles Unicode supplementary characters (surrogate pairs) and combining diacritics during backspace deletion in InputLogic, preventing surrogate tearing or orphaned combining marks.
• Toolbar Style Icon & Contrast Polish: Replaced style icon with a clean outlined 'A', fixed deactivation tinting on custom themes, and improved contrast calculations across light and dark theme palettes.

✨ Added

• Unicode Font Style Engine & Stylizer: Added complete typographic Unicode styling engine with 26+ canonical font styles (Bold, Italic, Bold Italic, Script, Script Bold, Fraktur, Fraktur Bold, Double-Struck, Sans-Serif, Sans Bold, Sans Italic, Monospace, Fullwidth, Small Caps, Circled, Squared, Inverted, Strikethrough, Underline, Slash, Bubble, etc.) featuring instant live typing transformation, gesture typing support, and plain text normalization.
• Interactive Style Preview Strip: Replaces the suggestion strip with an interactive preview strip (StylePreviewStripView) when font styles are active. Features live candidate previews, a persistent "Normal" plain text toggle chip, long-press to reset styles via KeyCode.RESET_FONT_STYLE, and smooth horizontal scrolling.
• Topic-Categorized Unicode Symbol Palette (#776): Added a comprehensive Unicode symbol palette tab to the emoji view, categorized by topics (Arrows, Math, Typographic, Geometric, Stars, Weather, Music, Technical, Currency, etc.) loaded from UNICODE_SYMBOLS.txt.
• Horizontally Scrollable Emoji Category Bar: Replaced the fixed emoji category strip with a horizontally scrollable bar in EmojiPalettesView to cleanly display all emoji categories and the new Unicode symbol palette across all display sizes.
• Dedicated Font Style Settings Screen: Added StyleSettingsScreen under Settings > Libraries & Tools with style previews, live typing toggles, and toolbar integration controls.
• Toolbar Style & Unicode Actions: Added dedicated toolbar actions and keycodes (FONT_STYLE, UNICODE_PANEL) for rapid one-tap access to font styles and the Unicode symbol palette.

🧪 Tests & Quality

• ScreenProfile Foldable & Preference Unit Tests: Added unit tests in ScreenProfileTest.kt verifying realistic portrait foldable unfolded dimensions, hinge sensor fallbacks, and decoupled split preferences.
• KeyboardState Auto-Caps Preservation Tests: Added tests in KeyboardStateShiftTest.kt covering auto-caps retention across keyboard reloads and displayed shift state enforcement.
• UnicodeStyleEngine Unit Test Suite: Added comprehensive test coverage in UnicodeStyleEngineTest.kt covering bidirectional text transformation, style chaining, plain text roundtrip reversion, and live gesture typing normalization.

📦 Choose Your Flavor

💡 Plugin Compatibility: All flavors support Offline Voice Dictation (Android 8.1+), Offline Translation (Android 6.0+), Offline Handwriting Recognition (Android 6.0+), Offline OCR Text Extraction (Android 5.0+), and Offline AI Proofreading (Android 8.0+, 64-bit) via modular plugins, and work 100% offline.