mirror of
https://github.com/andy-stack/vaultkeeper-ai.git
synced 2026-07-22 06:42:03 +00:00
5f10b236cd
- Increase scroll detection threshold from 1px to 100px for better UX - Update scrolled state after layout changes to ensure accuracy - Remove extraneous whitespace in CSS
445 lines
No EOL
12 KiB
Svelte
445 lines
No EOL
12 KiB
Svelte
<script lang="ts">
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import { Resolve } from "Services/DependencyService";
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import { Services } from "Services/Services";
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import type { StreamingMarkdownService } from "Services/StreamingMarkdownService";
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import ThoughtIndicator from "./ThoughtIndicator.svelte";
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import StreamingIndicator from "./StreamingIndicator.svelte";
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import { Greeting } from "Enums/Greeting";
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import { Role } from "Enums/Role";
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import type { ConversationContent } from "Conversations/ConversationContent";
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import { tick } from "svelte";
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import { getOuterHeight, setElementIcon } from "Helpers/ElementHelper";
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import { setIcon } from "obsidian";
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import { fade } from "svelte/transition";
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export let messages: ConversationContent[] = [];
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export let currentThought: string | null = null;
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export let isSubmitting: boolean = false;
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export let chatContainer: HTMLDivElement;
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export function resetChatArea() {
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messageElements = [];
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if (chatAreaPaddingElement) {
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chatAreaPaddingElement.style.padding = "0px";
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}
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chatContainer.scroll({ top: 0, behavior: "instant" });
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}
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export async function updateChatAreaLayout(behavior: ScrollBehavior | undefined = undefined, shouldSettle: boolean = false) {
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await tick();
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if (!chatAreaPaddingElement) {
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return;
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}
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if (messageElements.length <= 0) {
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chatAreaPaddingElement.style.paddingBottom = "0px";
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return;
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}
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requestAnimationFrame(() => {
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applyLayout(behavior, shouldSettle);
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updateScrolledState();
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});
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}
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function applyLayout(behavior: ScrollBehavior | undefined, shouldSettle: boolean) {
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if (!chatAreaPaddingElement || messageElements.length <= 0) {
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return;
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}
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const styles = getComputedStyle(chatContainer);
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const gap = parseFloat(styles.gap) || 0;
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const paddingTop = parseFloat(styles.paddingTop) || 0;
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const paddingBottom = parseFloat(styles.paddingBottom) || 0;
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const sortedMessages = messageElements.sort((a, b) => a.index - b.index);
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let result = calculateMessageHeight(sortedMessages);
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let contentHeight = result.height + (gap * (result.count - 1));
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if (!shouldSettle) {
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if (thoughtIndicatorElement) {
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contentHeight += getOuterHeight(thoughtIndicatorElement) + gap;
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}
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if (streamingIndicatorElement) {
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contentHeight += getOuterHeight(streamingIndicatorElement) + gap;
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}
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}
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const availableHeight = chatContainer.offsetHeight - paddingTop - paddingBottom;
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let padding = shouldSettle
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? Math.max(0, availableHeight - contentHeight)
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: Math.max(25, availableHeight - contentHeight);
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chatAreaPaddingElement.style.paddingBottom = `${padding}px`;
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if (behavior) {
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chatContainer.scroll({ top: chatContainer.scrollHeight, behavior });
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}
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}
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function calculateMessageHeight(sortedMessages: { element: HTMLElement, index: number, role: Role }[]): { count: number, height: number } {
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const lastMessage = sortedMessages[sortedMessages.length - 1];
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if (lastMessage.role === Role.User) {
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return { count: 1, height: getOuterHeight(lastMessage.element) };
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}
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let count = 0;
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let height = 0;
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for (const message of sortedMessages.reverse()) {
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if (message.role === Role.User) {
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break;
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}
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height += getOuterHeight(message.element);
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count++;
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}
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return { count: count, height: height };
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}
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function updateScrolledState() {
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scrolledToBottom = chatContainer && Math.abs(chatContainer.scrollHeight - chatContainer.scrollTop - chatContainer.clientHeight) < 100;
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}
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let scrolledToBottom: boolean = true;
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let scrollToBottomButton: HTMLButtonElement;
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let chatAreaPaddingElement: HTMLElement | undefined;
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let thoughtIndicatorElement: HTMLElement | undefined;
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let streamingIndicatorElement: HTMLElement | undefined;
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let streamingMarkdownService: StreamingMarkdownService = Resolve<StreamingMarkdownService>(Services.StreamingMarkdownService);
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let messageElements: { element: HTMLElement, index: number, role: Role }[] = [];
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function getGreetingByTime(): string {
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const hour = new Date().getHours();
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// Morning: 5am - 11:59am
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if (hour >= 5 && hour < 12) {
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return Greeting.Morning;
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}
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// Midday: 12pm - 4:59pm
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else if (hour >= 12 && hour < 17) {
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return Greeting.Midday;
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}
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// Evening: 5pm - 8:59pm
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else if (hour >= 17 && hour < 21) {
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return Greeting.Evening;
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}
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// Night: 9pm - 4:59am
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else {
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return Greeting.Night;
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}
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}
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function messageRenderAction(element: HTMLElement, message: ConversationContent) {
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streamingMarkdownService.render(message.getDisplayContent(), element);
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return {
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update(newMessage: ConversationContent) {
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streamingMarkdownService.render(newMessage.getDisplayContent(), element, !isSubmitting);
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}
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};
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}
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function trackingAction(element: HTMLElement, { index, role }: { index: number, role: Role }) {
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messageElements.push({ index: index, element: element, role: role });
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}
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$: if (scrollToBottomButton) {
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setIcon(scrollToBottomButton, "arrow-down");
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}
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$: {
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if (messages.length === 0 && chatAreaPaddingElement) {
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chatAreaPaddingElement.style.padding = "0px";
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}
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}
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</script>
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<div class="chat-area-wrapper">
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{#if messages.length > 0}
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<div class="top-fade"></div>
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{/if}
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<div class="chat-area" bind:this={chatContainer} on:scroll={updateScrolledState}>
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{#each messages as message, index}
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{@const content = message.getDisplayContent()}
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{#if message.shouldDisplayContent && content.trim() !== ""}
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{#if message.role === Role.User}
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<div class="message-container {Role.User}" use:trackingAction={{ index, role: Role.User }}>
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<div class="message-bubble {Role.User}">
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<div class="message-text-user-container" contenteditable="false">
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<div class="message-text-user">
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{@html content}
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</div>
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</div>
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{#if message.references.length > 0}
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<hr class="message-attachment-break"/>
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<div class="message-attachments-container">
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{#each message.references as reference}
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<div class="message-attachmanet" aria-label="{reference.fileName}">
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<div
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class="message-attachment-icon"
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use:setElementIcon={reference.getIconName()}
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></div>
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<div class="message-attachment-info">
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<div class="message-attachment-name">{reference.fileName}</div>
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<div class="message-attachment-size">{reference.size}MB</div>
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</div>
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</div>
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{/each}
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</div>
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{/if}
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</div>
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</div>
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{:else}
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{@const messageId = message.timestamp.getTime().toString()}
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<div class="message-container {Role.Assistant}" use:trackingAction={{ index, role: Role.Assistant }}>
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<div class="message-bubble {Role.Assistant}">
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<div class="markdown-content">
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<div use:messageRenderAction={message} class="streaming-content"></div>
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</div>
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</div>
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</div>
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{/if}
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{/if}
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{/each}
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<ThoughtIndicator thought={currentThought} bind:thoughtIndicatorElement={thoughtIndicatorElement}/>
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{#if isSubmitting}
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<StreamingIndicator bind:streamingIndicatorElement={streamingIndicatorElement}/>
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{/if}
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<div bind:this={chatAreaPaddingElement} style:user-select=none></div>
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{#if messages.length === 0}
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<div class="conversation-empty-state">
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<div class="typing-in">{getGreetingByTime()}</div>
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</div>
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{/if}
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</div>
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{#if messages.length > 0}
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<div class="bottom-fade"></div>
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{/if}
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{#if !scrolledToBottom}
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<div class="scroll-to-bottom-container" transition:fade>
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<button
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id="scroll-to-bottom-button"
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bind:this={scrollToBottomButton}
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on:click={() => updateChatAreaLayout("smooth")}
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aria-label="Scroll to bottom">
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</button>
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</div>
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{/if}
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</div>
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<style>
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.scroll-to-bottom-container {
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background-color: color-mix(in srgb, var(--background-primary) 70%, transparent);
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border-radius: var(--radius-l);
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padding: var(--size-4-2);
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position: absolute;
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bottom: var(--size-4-2);
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right: 0px;
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}
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#scroll-to-bottom-button {
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background-color: var(--interactive-accent);
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}
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.chat-area-wrapper {
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position: relative;
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height: 100%;
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width: 100%;
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}
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.top-fade {
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position: absolute;
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top: 0;
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left: 0;
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right: 0;
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height: var(--size-4-4);
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background-image: linear-gradient(to bottom, var(--background-secondary), transparent);
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z-index: 10;
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pointer-events: none;
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}
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.bottom-fade {
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position: absolute;
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bottom: 0;
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left: 0;
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right: 0;
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height: var(--size-4-4);
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background-image: linear-gradient(to top, var(--background-secondary), transparent);
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z-index: 10;
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pointer-events: none;
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}
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.chat-area {
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position: relative;
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display: flex;
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flex-direction: column;
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height: 100%;
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overflow: auto;
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padding: var(--size-4-4) var(--size-4-3) var(--size-4-3) var(--size-4-3);
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gap: var(--size-4-2);
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scroll-behavior: smooth;
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}
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.chat-area::-webkit-scrollbar {
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display: none;
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}
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.message-container {
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display: flex;
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text-align: left;
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margin: 0;
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}
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.message-container.user {
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justify-content: flex-end;
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}
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.message-container.assistant {
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justify-content: flex-start;
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}
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.message-container {
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animation: fadeIn 0.5s ease-out forwards;
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}
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@keyframes fadeIn {
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from {
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opacity: 0;
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transform: translateY(5px);
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}
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to {
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opacity: 1;
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transform: translateY(0);
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}
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}
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.message-bubble {
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word-wrap: break-word;
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}
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.message-bubble.user {
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word-wrap: break-word;
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max-width: 70%;
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border: var(--border-width) solid var(--background-modifier-border);
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border-radius: var(--radius-m);
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padding: 0px var(--size-4-2);
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}
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.message-bubble.assistant {
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word-wrap: break-word;
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max-width: 100%;
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}
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.message-text-user-container {
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max-height: 15vh;
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overflow: scroll;
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padding-top: var(--size-4-2);
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white-space: pre-wrap;
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}
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.message-text-user-container::-webkit-scrollbar {
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display: none;
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}
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.message-text-user-container {
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padding-bottom: var(--size-4-2);
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}
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.conversation-empty-state {
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margin: auto;
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font-style: italic;
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font-size: var(--font-ui-medium);
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color: var(--text-muted);
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pointer-events: none;
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}
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.streaming-content {
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justify-content: left;
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min-height: 1em; /* Ensure the element exists for binding */
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}
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/* Streaming message styles */
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.content-fade-in {
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animation: reveal-fade 0.5s ease-in-out forwards;
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}
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@keyframes reveal-fade {
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0% {
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opacity: 0;
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transform: translateY(10px);
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}
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100% {
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opacity: 1;
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transform: translateY(0);
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}
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}
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/* Message attachments styles */
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.message-attachment-break {
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color: var(--background-secondary-alt);
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margin: 0 0 var(--size-4-2) 0;
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opacity: 0.5;
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}
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.message-attachments-container {
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display: flex;
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overflow-x: auto;
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overflow-y: hidden;
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scroll-behavior: smooth;
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gap: var(--size-4-2);
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margin-bottom: var(--size-4-2);
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}
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.message-attachments-container::-webkit-scrollbar {
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display: none;
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}
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.message-attachmanet {
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display: grid;
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grid-template-rows: var(--size-4-2) auto var(--size-4-2);
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grid-template-columns: var(--size-4-2) auto var(--size-4-2) auto var(--size-4-2);
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background-color: var(--background-secondary-alt);
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border: var(--border-width) solid var(--background-modifier-border);
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border-radius: var(--radius-m);
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flex-shrink: 0;
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}
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.message-attachment-icon {
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grid-row: 2;
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grid-column: 2;
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display: flex;
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align-items: center;
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justify-content: center;
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}
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.message-attachment-info {
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grid-row: 2;
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grid-column: 4;
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min-width: 40px;
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overflow: hidden;
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}
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.message-attachment-name {
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display: inline-block;
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white-space: nowrap;
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width: 100%;
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padding: 0;
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font-size: var(--font-smaller);
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}
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.message-attachment-size {
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padding: 0;
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font-size: var(--font-smallest);
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color: var(--text-muted);
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}
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</style> |