style: add z-index to modal buttons for proper stacking

fix: replace undefined originalButton with event.target in processLLMAction

fix: replace undefined originalButton with event.target in processLLMAction

fix: preserve toolbar button labels during processing state

feat: add append button to modal for analyze action

fix: remove unnecessary originalButton reference and properly disable/enable toolbar

fix: define originalButton in processLLMAction function

fix: replace preg_match and preg_replace with native JS methods in cleanThinking function

fix: properly destructure cleanedResult and thinkingContent from cleanThinking function

feat: disable entire LLM toolbar and prompt input during action processing

refactor: extract thinking content cleaning into separate function

fix: correct regex pattern for extracting and removing AI thinking parts in script.js

feat: disable entire LLM toolbar and prompt input during action processing

docs: add descriptive help text to configuration settings

docs: improve api_url setting description text

feat: add all configuration items to English settings language file

feat: add English language settings file for DokuLLM plugin

style: update toolbar button and modal styles for better theme support

refactor: move modal CSS styles to addStyles function

feat: add role attributes to li elements for proper list wrapping

fix: remove newline to br conversion in markdown parser

feat: add markdown/DokuWiki to HTML conversion for modal content display

fix: enhance error handling to include response status and text when network requests fail

fix: disable compare action in dokullm plugin

feat: add current_date and previous_date metadata for previous case