* Temporarily disables smooth scrolling to jump the chat area instantly. * @param {number} targetTop - Desired scrollTop value

* Sets up horizontal mouse wheel scrolling for citation carousels. * Converts vertical wheel events to horizontal scrolling when hovering over ca

* Setup password toggle functionality (uses CSS masking since type="text" to avoid password managers)

* Setup PIN input with visual boxes

* Shows a warning when attempting to use a banned station's API key * Clears the key and shows an error message

* Interrupts the current session stream and waits for cleanup to finish. * Timeline-mutating actions use this so they can safely restart generati

* Updates the visual state of flat mode toggle based on current HTML class. * Syncs aria-checked attributes with actual flat-mode state.

* Updates the visual state of font mode toggle based on current HTML class. * Syncs aria-checked attributes with actual font-mode state.

* Updates the visual state of the reasoning effort selector.

* Handle config update from API (pinned models or tiers changed). * Re-renders if modal is open.

* Animates a copy button with tick icon * @param {HTMLElement} btn - The button element

* Attaches click handlers to activity log headers for expand/collapse.

* Attaches event listeners to the top section elements only.

* Auto-grows a textarea to fit its content while respecting min/max heights. * Works alongside CSS resize-y for manual drag resizing. * Uses

* Loop-based base64 decode for small arrays

* Converts any bold pair (**...**) into a standalone subtitle block: * - Trims inner whitespace (including newlines) inside bold markers * - Ensures

* Builds HTML for generated images in a message. * @param {Array} images - Array of image objects with type and image_url * @returns {string} HTML s

* Builds HTML for a single model option. * @param {Object} model - Model object * @returns {string} HTML string

* Build preview messages HTML

* Builds HTML for a reasoning trace display (for thinking models like o1, o4). * @param {string} reasoning - The reasoning content * @param {string}

* Builds HTML for a single session item. * @param {Object} session - Session object * @returns {string} HTML string

* Build the shared status panel HTML for after-sharing and share control views * @param {Object} opts - {isPlaintext, apiKeyShared, apiKeyExpiresAt,

* Builds HTML for a typing indicator. * @param {string} id - Unique ID for the indicator element * @param {string} providerName - Provider name (e.g

* Cancels edit mode * @param {string} messageId - Message ID being edited

* Cancels the scheduled link preview hide.