andy-stack_vaultkeeper-ai/Components/ChatArea.svelte
Andrew Beal 275f548914 refactor: streamline planning UX and strengthen complexity gate
Restructure system prompt to enforce mandatory complexity evaluation before action. Replace verbose multi-step planning framework with concise gate-based decision model. Add UI for execution plan visibility. Improve planning/execution separation by blocking execution tools during planning phase. Remove cancellation indicator component. Fix conversation deletion bug preventing saves after delete. Strengthen type safety for AIFunction names. Simplify function summary format for planning agent. Update test mocks for new callback signatures.
2026-01-03 11:15:32 +00:00

484 lines
No EOL
14 KiB
Svelte

<script lang="ts">
import { Resolve } from "Services/DependencyService";
import { Services } from "Services/Services";
import type { StreamingMarkdownService } from "Services/StreamingMarkdownService";
import ThoughtIndicator from "./ThoughtIndicator.svelte";
import StreamingIndicator from "./StreamingIndicator.svelte";
import { Greeting } from "Enums/Greeting";
import { Role } from "Enums/Role";
import type { ConversationContent } from "Conversations/ConversationContent";
import { tick } from "svelte";
import { Selector } from "Enums/Selector";
import { Exception } from "Helpers/Exception";
import { getOuterHeight, setElementIcon } from "Helpers/ElementHelper";
export let messages: ConversationContent[] = [];
export let currentThought: string | null = null;
export let isSubmitting: boolean = false;
export let chatContainer: HTMLDivElement;
export let currentStreamingMessageId: string | null = null;
export let editModeActive: boolean = false;
export function resetChatArea() {
autoScroll = true;
messageElements = [];
lastProcessedContent.clear();
currentStreamFinalized = false;
if (chatAreaPaddingElement) {
chatAreaPaddingElement.style.padding = "0px";
}
chatContainer.scroll({ top: 0, behavior: "instant" });
}
export function updateChatAreaLayout(behavior: ScrollBehavior | undefined, shouldSettle: boolean = false, isObserver: boolean = false) {
if (layoutUpdateTimeout) {
clearTimeout(layoutUpdateTimeout);
}
const performLayoutCalculations = () => {
if (messageElements.length <= 0 || !chatAreaPaddingElement) {
if (chatAreaPaddingElement) {
chatAreaPaddingElement.style.padding = "0px";
}
return;
}
const gap = parseFloat(getComputedStyle(chatContainer).gap) || 0;
const paddingTop = parseFloat(getComputedStyle(chatContainer).paddingTop) || 0;
const paddingBottom = parseFloat(getComputedStyle(chatContainer).paddingBottom) || 0;
const messageElement = messageElements.sort((a, b) => a.index - b.index)[messageElements.length - 1];
let messageSpace = getOuterHeight(messageElement.element);
if (!shouldSettle) {
if (thoughtIndicatorElement) {
messageSpace += getOuterHeight(thoughtIndicatorElement) + gap;
}
if (streamingIndicatorElement) {
messageSpace += getOuterHeight(streamingIndicatorElement) + gap;
}
}
let padding = chatContainer.offsetHeight - paddingTop - paddingBottom - messageSpace;
if (!shouldSettle) {
padding = Math.max(padding, 25);
}
chatAreaPaddingElement.style.paddingBottom = `${Math.max(0, padding)}px`;
tick().then(() => {
if (behavior && (autoScroll || shouldSettle)) {
chatContainer.scroll({ top: chatContainer.scrollHeight, behavior: behavior })
}
});
};
if (isObserver) { // instant updates for observers
performLayoutCalculations();
} else if (behavior === "instant" || shouldSettle) {
tick().then(() => {
requestAnimationFrame(() => {
performLayoutCalculations();
});
});
} else {
layoutUpdateTimeout = setTimeout(() => {
tick().then(() => {
requestAnimationFrame(() => {
performLayoutCalculations();
});
});
}, 50);
}
}
let autoScroll: boolean = true;
let lastScrollTop: number = 0;
let chatAreaPaddingElement: HTMLElement | undefined;
let thoughtIndicatorElement: HTMLElement | undefined;
let streamingIndicatorElement: HTMLElement | undefined;
let streamingMarkdownService: StreamingMarkdownService = Resolve<StreamingMarkdownService>(Services.StreamingMarkdownService);
let messageElements: { index: number, element: HTMLElement }[] = [];
let lastProcessedContent: Map<string, string> = new Map<string, string>();
let currentStreamFinalized: boolean = false;
let layoutUpdateTimeout: NodeJS.Timeout | null = null;
function getGreetingByTime(): string {
const hour = new Date().getHours();
// Morning: 5am - 11:59am
if (hour >= 5 && hour < 12) {
return Greeting.Morning;
}
// Midday: 12pm - 4:59pm
else if (hour >= 12 && hour < 17) {
return Greeting.Midday;
}
// Evening: 5pm - 8:59pm
else if (hour >= 17 && hour < 21) {
return Greeting.Evening;
}
// Night: 9pm - 4:59am
else {
return Greeting.Night;
}
}
function updateMessageContent(messageId: string, content: string, isCurrentlyStreaming: boolean) {
if (isCurrentlyStreaming) {
streamingMarkdownService.streamChunk(messageId, content);
currentStreamFinalized = false;
} else if (!currentStreamFinalized) {
streamingMarkdownService.finalizeStream(messageId, content);
currentStreamFinalized = true;
}
}
// Process static messages (user messages and initial load)
function getStaticHTML(message: ConversationContent): string {
if (message.role === Role.User) {
return `<div>${message.content}</div>`;
}
// For assistant messages, check if this specific message is currently streaming
const messageId = message.timestamp.getTime().toString();
const isCurrentlyStreaming = currentStreamingMessageId === messageId;
// For assistant messages that aren't streaming, use traditional parsing
if (!isCurrentlyStreaming) {
const content = message.getDisplayContent();
if (message.errorType) {
return `<div class="${Selector.ErrorSelector}">${content}</div>`;
}
try {
return streamingMarkdownService.formatText(content) || `<div>${content}</div>`;
} catch (error) {
Exception.log(error);
return `<div>${content}</div>`;
}
}
return ""; // Streaming messages will be handled by the streaming service
}
function streamingAction(element: HTMLElement, messageId: string) {
streamingMarkdownService.initializeStream(messageId, element);
}
function trackingAction(element: HTMLElement, index: number) {
messageElements.push({ index: index, element: element });
}
function observeResize(element: HTMLElement) {
const observer = new ResizeObserver(() => {
updateChatAreaLayout("smooth", false, true);
});
observer.observe(element);
return {
destroy() {
observer.disconnect();
}
};
}
// decide if we should be auto scrolling
function handleScroll() {
if (!chatContainer) {
return;
}
const scrollTop = chatContainer.scrollTop;
const scrollHeight = chatContainer.scrollHeight;
const clientHeight = chatContainer.clientHeight;
// Only process if the user actually scrolled (scrollTop changed)
// This prevents false triggers when content grows and pushes things down
if (scrollTop === lastScrollTop) {
return;
}
const previousScrollTop = lastScrollTop;
lastScrollTop = scrollTop;
// Check if we're at the bottom (with a small tolerance for rounding errors)
const isAtBottom = scrollHeight - scrollTop - clientHeight < 5;
if (isAtBottom) {
autoScroll = true;
} else if (scrollTop < previousScrollTop) {
autoScroll = false; // user scrolled up
}
}
// Track streaming messages and update them incrementally
$: {
messages.forEach((message) => {
if (message.role !== Role.User) {
const messageId = message.timestamp.getTime().toString();
const lastContent = lastProcessedContent.get(messageId) || "";
// Only update if content has changed
if (message.content !== lastContent) {
// Check if this specific message is currently streaming
const isCurrentlyStreaming = currentStreamingMessageId === messageId;
const content = message.getDisplayContent();
// Only process through streaming service if actively streaming
if (isCurrentlyStreaming) {
updateMessageContent(messageId, content, isCurrentlyStreaming);
}
lastProcessedContent.set(messageId, content);
}
}
});
}
$: {
if (messages.length === 0 && chatAreaPaddingElement) {
chatAreaPaddingElement.style.padding = "0px";
}
}
</script>
<div class="chat-area-wrapper">
{#if messages.length > 0}
<div class="top-fade"></div>
{/if}
<div class="chat-area" bind:this={chatContainer} on:scroll={handleScroll} use:observeResize>
{#each messages as message, index}
{@const content = message.getDisplayContent()}
{#if message.shouldDisplayContent && content.trim() !== ""}
{#if message.role === Role.User}
<div class="message-container {Role.User}" use:trackingAction={index}>
<div class="message-bubble {Role.User}">
<div class="message-text-user content-fade-in" contenteditable="false">
{@html content}
</div>
{#if message.references.length > 0}
<hr class="message-attachment-break"/>
<div class="message-attachments-container">
{#each message.references as reference}
<div class="message-attachmanet" aria-label="{reference.fileName}">
<div
class="message-attachment-icon"
use:setElementIcon={reference.getIconName()}
></div>
<div class="message-attachment-info">
<div class="message-attachment-name">{reference.fileName}</div>
<div class="message-attachment-size">{reference.size}MB</div>
</div>
</div>
{/each}
</div>
{/if}
</div>
</div>
{:else}
{@const messageId = message.timestamp.getTime().toString()}
<div class="message-container {Role.Assistant}" use:trackingAction={index}>
<div class="message-bubble {Role.Assistant}">
<div class="markdown-content content-fade-in {currentStreamingMessageId === messageId ? "streaming" : ""}">
{#if currentStreamingMessageId === messageId}
<div use:streamingAction={messageId} class="streaming-content"></div>
{:else}
{@html getStaticHTML(message)}
{/if}
</div>
</div>
</div>
{/if}
{/if}
{/each}
<ThoughtIndicator thought={currentThought} bind:thoughtIndicatorElement={thoughtIndicatorElement}/>
{#if isSubmitting}
<StreamingIndicator editModeActive={editModeActive} bind:streamingIndicatorElement={streamingIndicatorElement}/>
{/if}
<div bind:this={chatAreaPaddingElement} style:user-select=none></div>
{#if messages.length === 0}
<div class="conversation-empty-state">
<div class="typing-in">{getGreetingByTime()}</div>
</div>
{/if}
</div>
{#if messages.length > 0}
<div class="bottom-fade"></div>
{/if}
</div>
<style>
.chat-area-wrapper {
position: relative;
height: 100%;
width: 100%;
}
.top-fade {
position: absolute;
top: 0;
left: 0;
right: 0;
height: var(--size-4-4);
background-image: linear-gradient(to bottom, var(--background-secondary), transparent);
z-index: 10;
pointer-events: none;
}
.bottom-fade {
position: absolute;
bottom: 0;
left: 0;
right: 0;
height: var(--size-4-4);
background-image: linear-gradient(to top, var(--background-secondary), transparent);
z-index: 10;
pointer-events: none;
}
.chat-area {
position: relative;
display: flex;
flex-direction: column;
height: 100%;
overflow: auto;
padding: var(--size-4-4) var(--size-4-3) var(--size-4-3) var(--size-4-3);
gap: var(--size-4-2);
scroll-behavior: smooth;
}
.chat-area::-webkit-scrollbar {
display: none;
}
.message-container {
display: flex;
text-align: left;
margin: 0;
}
.message-container.user {
justify-content: flex-end;
}
.message-container.assistant {
justify-content: flex-start;
}
.message-bubble {
word-wrap: break-word;
}
.message-bubble.user {
word-wrap: break-word;
max-width: 70%;
border: var(--border-width) solid var(--background-modifier-border);
border-radius: var(--radius-m);
padding: 0px var(--size-4-2);
}
.message-bubble.assistant {
word-wrap: break-word;
max-width: 100%;
}
.message-text-user {
margin: var(--size-4-2);
white-space: pre-wrap;
}
.conversation-empty-state {
margin: auto;
font-style: italic;
font-size: var(--font-ui-medium);
color: var(--text-muted);
pointer-events: none;
}
.streaming-content {
justify-content: left;
min-height: 1em; /* Ensure the element exists for binding */
}
/* Streaming message styles */
.content-fade-in {
animation: reveal-fade 0.5s ease-in-out forwards;
}
@keyframes reveal-fade {
0% {
opacity: 0;
transform: translateY(10px);
}
100% {
opacity: 1;
transform: translateY(0);
}
}
/* Message attachments styles */
.message-attachment-break {
color: var(--background-secondary-alt);
margin: 0 0 var(--size-4-2) 0;
opacity: 0.5;
}
.message-attachments-container {
display: flex;
overflow-x: auto;
overflow-y: hidden;
scroll-behavior: smooth;
gap: var(--size-4-2);
margin-bottom: var(--size-4-2);
}
.message-attachments-container::-webkit-scrollbar {
display: none;
}
.message-attachmanet {
display: grid;
grid-template-rows: var(--size-4-2) auto var(--size-4-2);
grid-template-columns: var(--size-4-2) auto var(--size-4-2) auto var(--size-4-2);
background-color: var(--background-secondary-alt);
border: var(--border-width) solid var(--background-modifier-border);
border-radius: var(--radius-m);
flex-shrink: 0;
}
.message-attachment-icon {
grid-row: 2;
grid-column: 2;
display: flex;
align-items: center;
justify-content: center;
}
.message-attachment-info {
grid-row: 2;
grid-column: 4;
min-width: 40px;
overflow: hidden;
}
.message-attachment-name {
display: inline-block;
white-space: nowrap;
width: 100%;
padding: 0;
font-size: var(--font-smaller);
}
.message-attachment-size {
padding: 0;
font-size: var(--font-smallest);
color: var(--text-muted);
}
</style>