Introduce a "generic_mode" option to allow validating/downloading from non-YouTube sites and wire it through the UI, config, and validation logic. Key changes:
- Add generic_mode default to ConfigManager and persist setting from DownloadSettingsDialog (checkbox + help text).
- Extend validate_video_url to accept a generic_mode flag and allow any http/https URL with a domain when enabled; pass this flag from Analysis and Download flows.
- Update YTSageApp to load/save generic_mode, update URL placeholder and settings tooltip behavior, and refresh tooltip when settings change.
- Improve robustness in FormatTableMixin: handle None/incorrect types for format_note, abr, resolution, ext, and codec values to avoid type errors and ensure consistent display.
- Add localization entries for generic mode, placeholder, and related help text across multiple language files and update the in-app default localization strings.
These changes enable broader site support via yt-dlp while hardening UI format handling and keeping user settings persistent.
Add open_logs and logs_tooltip localization entries across multiple language JSON files (ar, de, en, es, fr, hi, id, it, ja, pl, pt, ru, tr, zh) so the About/System Info UI can expose an action to open the application logs folder. Also add an "about" section to ytsage/utils/ytsage_localization.py with default entries (open_logs, logs_tooltip, refresh). This wires the logs-folder UI text into the localization system.
Introduce an opt-in beta updates feature: add a styled "Receive Beta Updates" checkbox in the Updater UI with i18n strings, load/save logic in the custom options dialog, and a default config key (check_beta_updates=false).
Add _fetch_github_beta_version to the update thread to query GitHub releases (selecting the highest tag) and emit update_available for newer beta builds. When beta checking is enabled, the thread will perform the GitHub beta check and return early to avoid conflicting with the PyPI check. This enables users to opt into preview releases safely.
Add a Reset button next to the filename format input so users can restore the default pattern. The filename input and reset button are grouped in a QHBoxLayout; the button is fixed width (70) and sets the field back to the default %(title)s_%(resolution)s.%(ext)s. Also add the corresponding i18n key (buttons.reset -> "Reset") to en.json.
Introduce a new filename_format setting and UI to control yt-dlp output templates. ConfigManager now includes a default filename_format (%(title)s_%(resolution)s.%(ext)s). The DownloadSettingsDialog exposes a text input and help text for the format and saves the value to ConfigManager. DownloadThread now accepts a filename_format argument and uses it when building output templates for single videos and playlists. YTSageApp reads the config and passes the filename format into the download thread. Added corresponding English language strings.
Update English UI strings in ytsage/languages/en.json to remove progress percentages and the repeated "Analyzing" prefix, replacing them with concise action messages (e.g., "Extracting basic info...", "Loading thumbnail..."). This makes status messages shorter and more consistent across regular and ytdlp-related entries without changing functionality.
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