Fixed
Fixed transcript copy on newer YouTube transcript layouts by adding support for transcript-segment-view-model (in addition to legacy ytd-transcript-segment-renderer).
Updated transcript-open detection and wait logic to use the same dual-structure checks, improving reliability when transcripts are visible in the side panel.

Added
Added broad localization support across UI and prompt presets for: de, nl, es, zh_CN, ja, pt_PT, sv, da, fi, nb, pl, hr, ca, and en_GB.

Changed
Improved the injected YouTube action button styling by centering the button label text.
Set a fixed popup width so the popup no longer resizes when switching between Standard and Advanced mode text.

Fixed
Fixed transcript extraction regression on videos that have transcripts by improving player-response discovery and caption fallbacks.
Fixed mode persistence/normalization so switching between Standard and Advanced works reliably.

New icon

Added
Added toolbar popup with a direct Open prompt settings action.
Added correctly sized icon assets: 16x16, 32x32, 48x48, 128x128.

Changed
Reworked YouTube controls into a single split button:
Main button: Copy prompt: <selected preset>
Caret button: prompt selection menu
Removed settings entry from the in-page dropdown (settings now via extension icon).
Updated first-time hint to point users to the PromptTube icon.

Fixed
Fixed prompt dropdown rendering/clipping by moving it to a fixed overlay attached to document.body.
Improved dropdown positioning on scroll/resize.
Fixed broken toolbar icon and ICON_SIZE_INVALID manifest validation errors by mapping exact-size icons in manifest.json.

Added
Added a compact split-button UI on YouTube (Copy prompt: … + caret selector) to replace multiple inline controls.
Added extension toolbar popup with a direct Open prompt settings action.

Changed
Main action button label now reflects the selected preset: Copy prompt: <preset name>.
Prompt selection menu is now prompt-only (no settings entry).
One-time hint updated to direct users to the PromptTube icon for settings.

Fixed
Fixed dropdown visibility/opening by rendering it as a fixed overlay attached to document.body (avoids YouTube container clipping/overflow issues).
Improved dropdown positioning/repositioning on scroll/resize with high z-index layering.
Added proper cleanup of dropdown listeners/overlay during reinjection/navigation.

Added
Added a full Settings page to manage prompt templates (edit, add, remove, reset defaults).
Added support for custom user prompts stored in extension storage.
Added new built-in prompts
Added a Prompt settings button directly in the YouTube action UI for one-click access.
Added a one-time in-page tip to highlight that users can create custom prompts.

Changed
Prompt defaults are now centralised in a shared module used by both content script and settings page.
Prompt dropdown now reads from saved templates and updates when settings change.

Sync & Storage
Prompt templates use sync-backed storage when available .
Settings page now displays storage mode and estimated prompt storage usage/quota context.

UX Improvements
Reduced friction for discovering customisation and opening settings.
Prompt controls remain available inline on YouTube with improved workflow from selection → copy → manage.

Fix the button not loading when navigating to a video.