Update VOICEVOX character list and docs (#19)

Improve character name fuzzy matching with detailed documentation (#18)

東北キャラクター追加とデフォルト変更 (#13)

Fix English 'A' contextual conversion to katakana (#11)

refactor: remove redundant browser_state update methods (#9)

refactor: remove unused methods identified by vulture (#6)

fix: Handle None values in _create_progress_html to prevent TypeError (#3)

bugfix: Remove invalid resume_from_part parameter from _create_progress_html tests (#1)

fix: Remove extracted_text from browser state updates

fix: Update model names to remove preview versions

feat: Add comprehensive unit tests and refactor complex app methods

feat: Enhance audio generation progress visibility

refactor: Update timeout values and remove session recovery steps

feat: Update browser state restoration for Japanese UI

feat: Add Japanese UI text mapping for document and podcast modes

feat: Add browser state persistence for settings changes

fix: Improve URL extraction handling in test mode

fix: Handle empty URL extraction in test mode

fix: Resolve E2E test failures by updating textarea selectors

Revert "feat: Add browser state persistence for podcast script and terms agreement"

feat: Add browser state persistence for podcast script and terms agreement

fix: Fix E2E test failures and improve session initialization

fix: Fix lint issues in test files

refactor: Remove VOICEVOX_CORE_AVAILABLE flag and assume successful import

refactor: Remove unused audio generation restoration methods from PaperPodcastApp

feat: Implement browser state restoration using localStorage

refactor: Optimize timeout values for improved test performance

fix: Resolve BrowserState initialization and E2E test failures

style: Apply comprehensive ruff formatting across entire codebase

style: Complete remaining SIM108 improvements and ruff formatting

fix: Address critical ruff linting issues

feat: Migrate from isort, black, flake8 to ruff for unified linting and formatting

fix: Update prompt manager state to use SECTION_BY_SECTION mode in session persistence tests

fix: Update default podcast mode to STANDARD in PromptManager and related tests

fix: Correct spelling of "spatial" in audio generation mappings

refactor: Update file input handling to prevent duplicate triggers and restrict to single file uploads

refactor: Simplify session cleanup method call in VOICEVOX sharing steps

refactor: Remove unused methods and consolidate button state logic for improved code organization

feat: Enhance audio generation progress display with comprehensive tracking

feat: Implement comprehensive session persistence system

refactor: Update UserSession import path and clean up related code

feat: Enhance word splitting to handle plural uppercase words and update katakana conversion

refactor: Remove deprecated audio generation progress monitoring and update related methods

feat: Add test for converting long uppercase words to katakana

feat: Add tests for UI initialization protection functionality

refactor: Integrate audio restoration into connection recovery process

feat: Implement connection recovery and enhance audio state management

fix: Update audio generation progress methods to include terms agreement and podcast text

Add audio recovery feature and enhance audio state management

refactor: Update file upload and URL extraction tabs for improved clarity and functionality