:recycle: [Refactor] ChatCompletionRequester: structurize codes of post and process stream data

:gem: [Feature] Replace top select from available models to agents, and auto set default agent

:gem: [Feature] Display agent items, and enable clear-agents-button

:zap: [Enhance] ChatCompletionsRequester: Set default temperature 0.5 and default top_p 0.95

:zap: [Enhance] DarkThemeToggleButton: Auto swicth button title

:boom: [Fix] Load dark theme after window is loaded

:zap: [Enhance] Switch dark mode with darkreader.js

:zap: [Enhance] Enable RangeNumber widget append and real-time update, generalize widget_id, and check existance before creating modal

:zap: [Enhance] [WIP] Dynamicly creating NewAgentModal

:hammer: [WIP] New Agent Modal: Enable toggle button and prototype

:recycle: [Refactor] Re-organize and rename storage scripts

:gem: [Feature] New dark theme toggle button

:zap: [Enhance] New v4 fa icons, sidebar toggle button icons and title, and reduce SIDEBAR_MAX_WIDTH

:gem: [Feature] New Chat Agents Sidebar

:boom: [Fix] Execute stop workflow when requester finished

:boom: [Fix] Stop button not working for await mechanism

:recycle: [Refactor] SendUserInputButtonBinder: Remove post_user_input() to avoid confusion

:boom: [Fix] Auto resize user input after send

:zap: [Enhance] Finetune margin and padding of messagers-container for screenshot

:zap: [Enhance] Behavior of toggle and add endpoint item

:zap: [Enhance] Remove user input content after send

:zap: [Enhance] Confirm before clear chat history, toggle if add new point, and change icons

:boom: [Fix] Revert default_model set from Dexie back to localStorage

:gem: [Feature] Enable fill-in available models from multiple endpoints

:gem: [Feature] New Buttons Binder: Add and toggle endpoint and api key items

:gem: [Feature] New ClearChatHistoryButtonBinder: clear chat history

:gem: [Feature] New ChatHistoryStorer: save chat messages in browser with Dexie

:recycle: [Refactor] Move ScreenScroller and StreamJsonizer

:zap: [Enhance] Prettify logging of basic info

:zap: [Enhance] Better button controls of sidebar, and memorize toggle preferences

:gem: [Feature] New notes model for taking notes

:recycle: [Refactor] Hid console log, and move stop stage

:gem: [Feature] Set available models on select when loading or updating endpoint

:recycle: [Refactor] Move ChatSessionContainerScrollBinder to SreenScroller.bind()

:recycle: [Refactor] Merge scroll to bottom functions to ScreenScroller

:zap: [Enhance] screenshot right offset, and button padding

:zap: [Enhance] Remove right offset for screenshot button

:zap: [Enhance] Screenshot with proper padding

:recycle: [Refactor] Encapsulate bind_buttons to class ButtonsBinder

:recycle: [Feature] Move chat_operator.js to components

:recycle: [Refactor] Move llm_requester.js to networks

:recycle: [Refactor] Move buttons_binder to components