dtoro
dffe01fb02
text-primary instead of text-success — keeps the "done" state on-brand with the rest of the UI (buttons, focus rings) rather than introducing a separate green that only really worked well on the dark theme. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
595 lines
20 KiB
Svelte
595 lines
20 KiB
Svelte
<script lang="ts">
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// Pure prop-driven transcript + input — no store imports. Both the main
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// Chat page (singleton "current session" stores) and a floating task
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// window (its own per-session store bundle from chat.ts's chatFor) render
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// through this, so the message-bubble/markdown styling lives in one place
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// instead of being copy-pasted between the two.
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import { Pane, Splitpanes } from 'svelte-splitpanes'
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import { activityLog, type ActivityEntry } from '$lib/stores/activity'
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import type { Readable } from 'svelte/store'
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import { Button } from '$lib/components/ui/button'
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import { Textarea } from '$lib/components/ui/textarea'
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import Spinner from './Spinner.svelte'
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import ToolCallCard from './ToolCallCard.svelte'
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import OperatorQuestion from './OperatorQuestion.svelte'
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import CornerDownLeftIcon from '@lucide/svelte/icons/corner-down-left'
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import CheckIcon from '@lucide/svelte/icons/check'
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import XIcon from '@lucide/svelte/icons/x'
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import RefreshCwIcon from '@lucide/svelte/icons/refresh-cw'
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import SquareIcon from '@lucide/svelte/icons/square'
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import { marked } from 'marked'
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import DOMPurify from 'dompurify'
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import type { ChatMessage } from '$lib/stores/chat'
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import type { SessionQuestion } from '$lib/api'
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let {
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messages,
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streaming,
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connectionState,
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error = null,
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chatErrors = [],
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onSend,
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onCancel,
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onReconnect,
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onDismissError,
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suggestions = [],
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activityLog: activityLogProp = activityLog,
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sessionId = null,
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question = null
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}: {
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messages: ChatMessage[]
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streaming: boolean
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connectionState: 'connected' | 'disconnected' | 'reconnecting'
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error?: string | null
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chatErrors?: { id: string; message: string; action?: string }[]
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onSend: (text: string) => void
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onCancel: () => void
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onReconnect: () => void
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onDismissError: (id: string) => void
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suggestions?: string[]
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activityLog?: Readable<ActivityEntry[]>
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/** Session this thread's pending question (below) should post its answer against — see OperatorQuestion.svelte. */
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sessionId?: string | null
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/** The session's open operator question, if any — rendered as an inline card at the end of the thread (the newest thing, blocking the agent until answered). */
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question?: SessionQuestion | null
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} = $props()
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let input = $state('')
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let messagesEnd = $state<HTMLDivElement | null>(null)
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let scrolledUp = $state(false)
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let container = $state<HTMLDivElement | null>(null)
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let indicatorDone = $state(false)
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let wasStreaming = $state(false)
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$effect(() => {
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if (streaming) { indicatorDone = false; wasStreaming = true }
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if (!streaming && wasStreaming) {
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indicatorDone = true
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const t = setTimeout(() => { indicatorDone = false; wasStreaming = false }, 3000)
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return () => clearTimeout(t)
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}
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})
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const indicatorLabel = $derived.by(() => {
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if (error) return error
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if (!streaming && indicatorDone) return 'Done'
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const running = $activityLogProp.find((e: ActivityEntry) => e.status === 'running')
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if (running) return running.description
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return 'Agent is thinking…'
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})
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// Resizable input area — drag the splitter above it to grow the textarea,
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// capped so it can't swallow the whole thread. Both the minimum and the
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// default are exactly one line: measured from the textarea's own
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// line-height/padding/border rather than hardcoded, so it stays correct if
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// that styling ever changes.
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let threadHeight = $state(0)
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let textareaRef = $state<HTMLTextAreaElement | null>(null)
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let inputWrapperRef = $state<HTMLDivElement | null>(null)
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let oneLinePx = $state(64)
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$effect(() => {
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if (!textareaRef || !inputWrapperRef) return
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const taCs = getComputedStyle(textareaRef)
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const lineHeight = parseFloat(taCs.lineHeight)
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if (!Number.isFinite(lineHeight)) return
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const taBoxY =
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parseFloat(taCs.paddingTop) + parseFloat(taCs.paddingBottom) + parseFloat(taCs.borderTopWidth) + parseFloat(taCs.borderBottomWidth)
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// The wrapper's own padding/border (space around the textarea, not part
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// of it) also has to fit inside the minimum, or the textarea gets
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// squeezed below one line once the pane is dragged down to it.
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const wrapperCs = getComputedStyle(inputWrapperRef)
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const wrapperBoxY =
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parseFloat(wrapperCs.paddingTop) +
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parseFloat(wrapperCs.paddingBottom) +
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parseFloat(wrapperCs.borderTopWidth) +
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parseFloat(wrapperCs.borderBottomWidth)
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oneLinePx = lineHeight + taBoxY + wrapperBoxY
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})
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const inputMinSize = $derived(threadHeight > 0 ? (oneLinePx / threadHeight) * 100 : 12)
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// Keep the input pinned to inputMinSize (one line) until the user actually
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// drags the splitter — not just on the first measurement. A floating
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// window's threadHeight is 0/wrong for a frame or two while it animates
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// open, and locking the percentage to that first reading left the input
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// several lines tall once the window reached full size (fixed 2026-07-21).
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let inputSize = $state(12)
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let userResizedInput = false
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$effect(() => {
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if (!userResizedInput) inputSize = inputMinSize
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})
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function isNearBottom(): boolean {
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if (!container) return true
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const { scrollTop, scrollHeight, clientHeight } = container
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return scrollHeight - scrollTop - clientHeight < 80
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}
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function onScroll() {
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scrolledUp = !isNearBottom()
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}
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// Auto-scroll to bottom on new messages (or a freshly-raised question) —
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// unless user scrolled up to read.
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$effect(() => {
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void messages
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void question
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if (streaming || !scrolledUp) {
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setTimeout(() => messagesEnd?.scrollIntoView({ behavior: 'smooth' }), 50)
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}
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})
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function render(text: string): string {
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const renderer = new marked.Renderer()
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renderer.code = function ({ text, lang }) {
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const escaped = text.replace(/&/g, '&').replace(/</g, '<').replace(/>/g, '>')
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return `<div class="code-block-wrapper relative group"><pre><code class="language-${lang || 'plaintext'}">${escaped}</code></pre><button class="code-copy-btn" onclick="navigator.clipboard.writeText(this.parentElement.querySelector('pre code').textContent)" title="Copy" aria-label="Copy code"><svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><rect x="9" y="9" width="13" height="13" rx="2" ry="2"/><path d="M5 15H4a2 2 0 0 1-2-2V4a2 2 0 0 1 2-2h9a2 2 0 0 1 2 2v1"/></svg></button></div>`
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}
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renderer.table = function (token) {
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const header = token.header.map((c: { text: string }) => `<th>${c.text}</th>`).join('')
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const body = token.rows.map((r: { text: string }[]) => `<tr>${r.map((c) => `<td>${c.text}</td>`).join('')}</tr>`).join('')
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return `<div class="table-wrapper"><table><thead><tr>${header}</tr></thead><tbody>${body}</tbody></table></div>`
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}
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return DOMPurify.sanitize(marked.parse(text, { async: false, renderer }) as string)
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}
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function formatTime(iso: string): string {
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try {
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const d = new Date(iso)
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return d.toLocaleTimeString([], { hour: '2-digit', minute: '2-digit' })
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} catch {
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return ''
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}
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}
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function submit() {
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const text = input.trim()
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if (!text || streaming) return
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input = ''
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scrolledUp = false
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onSend(text)
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}
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function handleKeydown(e: KeyboardEvent) {
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if (e.key === 'Enter' && !e.shiftKey) {
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e.preventDefault()
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submit()
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}
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}
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function ask(q: string) {
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if (streaming) return
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onSend(q)
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}
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</script>
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<div class="flex h-full min-h-0 min-w-0 flex-col" bind:clientHeight={threadHeight}>
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<Splitpanes horizontal theme="oikos-theme" dblClickSplitter={false} class="min-h-0 flex-1" on:resize={() => (userResizedInput = true)}>
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<Pane class="flex flex-col">
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<div class="min-h-0 flex-1 overflow-y-auto" bind:this={container} onscroll={onScroll}>
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<div class="mx-auto flex min-h-full max-w-3xl flex-col gap-5 p-4">
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{#if messages.length === 0}
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<div class="flex flex-1 flex-col items-center justify-center gap-6 text-center">
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<div>
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<h2 class="text-xl font-semibold">Nomos</h2>
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<p class="mt-1 text-sm text-muted-foreground">Your resident operator. Ask about the fleet, or tell it to act.</p>
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</div>
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{#if suggestions.length}
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<div class="grid w-full max-w-md grid-cols-1 gap-2 sm:grid-cols-2">
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{#each suggestions as q}
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<Button variant="outline" size="sm" class="h-auto justify-start whitespace-normal py-2 text-left text-xs" onclick={() => ask(q)}>
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{q}
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</Button>
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{/each}
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</div>
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{/if}
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</div>
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{/if}
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{#each messages as msg, idx (msg.id)}
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<div class="flex flex-col gap-1.5 {msg.role === 'user' ? 'items-end' : 'items-start'}">
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{#if msg.role === 'user'}
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<div class="flex items-baseline gap-2 px-1">
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<span class="text-[10px] font-medium text-muted-foreground/70">You</span>
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{#if msg.created_at}
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<span class="text-[9px] text-muted-foreground/50">{formatTime(msg.created_at)}</span>
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{/if}
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</div>
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<div class="max-w-[85%] rounded-2xl rounded-br-sm bg-primary px-4 py-2.5 text-sm text-primary-foreground whitespace-pre-wrap user-msg">{msg.text}</div>
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{:else}
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<div class="flex w-full flex-col gap-2">
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<div class="flex items-baseline gap-2 px-1">
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<span class="text-[10px] font-medium text-muted-foreground/70">Nomos</span>
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{#if msg.created_at}
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<span class="text-[9px] text-muted-foreground/50">{formatTime(msg.created_at)}</span>
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{/if}
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</div>
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{#if msg.text}
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<div class="prose-chat max-w-none text-sm leading-relaxed assistant-msg">
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<!-- eslint-disable-next-line svelte/no-at-html-tags — sanitized via DOMPurify -->
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{@html render(msg.text)}
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{#if idx === messages.length - 1 && streaming}
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<span class="stream-cursor" aria-hidden="true"></span>
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{/if}
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</div>
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{/if}
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{#if msg.tools.length > 0}
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<div class="flex flex-col gap-1.5">
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{#each msg.tools as tool (tool.id)}
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<ToolCallCard {tool} />
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{/each}
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</div>
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{/if}
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{#if idx === messages.length - 1 && msg.text === '' && (streaming || indicatorDone || error)}
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<div class="flex items-center gap-2 py-1 text-xs {error ? 'text-destructive' : indicatorDone ? 'text-primary' : 'text-muted-foreground'}">
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{#if error}
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<XIcon class="size-3 shrink-0" />
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{:else if indicatorDone}
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<CheckIcon class="size-3 shrink-0" />
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{:else}
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<Spinner class="size-3 shrink-0 text-primary" />
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{/if}
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<span>{indicatorLabel}</span>
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</div>
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{/if}
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</div>
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{/if}
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</div>
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{/each}
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{#if question}
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<OperatorQuestion {sessionId} {question} />
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{/if}
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<div bind:this={messagesEnd}></div>
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</div>
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</div>
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{#if connectionState === 'disconnected'}
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<div class="mx-auto w-full max-w-3xl px-4">
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<div class="mb-2 flex items-center gap-2 rounded-md border border-warning/50 bg-warning/10 px-3 py-2 text-xs">
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<RefreshCwIcon class="size-3 shrink-0" aria-hidden="true" />
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<span class="text-warning-foreground flex-1">Agent connection lost. The task may still be running.</span>
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<Button size="xs" variant="outline" class="h-6 text-[11px]" onclick={onReconnect}>Reconnect</Button>
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</div>
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</div>
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{:else if connectionState === 'reconnecting'}
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<div class="mx-auto w-full max-w-3xl px-4">
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<div class="mb-2 flex items-center gap-2 rounded-md border bg-muted/50 px-3 py-2 text-xs">
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<RefreshCwIcon class="size-3 shrink-0 animate-spin text-muted-foreground" aria-hidden="true" />
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<span class="text-muted-foreground flex-1">Reconnecting to agent…</span>
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</div>
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</div>
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{/if}
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{#if error}
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<div class="mx-auto w-full max-w-3xl px-4">
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<div class="mb-2 rounded-md border border-destructive/50 bg-destructive/10 px-3 py-2 text-xs text-destructive">
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{error}
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</div>
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</div>
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{/if}
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{#each chatErrors as err (err.id)}
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<div class="mx-auto w-full max-w-3xl px-4">
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<div class="mb-2 flex items-center gap-2 rounded-md border border-destructive/30 bg-destructive/5 px-3 py-2 text-xs text-destructive">
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<span class="flex-1">{err.message}</span>
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{#if err.action}
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<Button size="xs" variant="ghost" class="h-6 text-[11px]" onclick={() => onDismissError(err.id)}>{err.action}</Button>
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{/if}
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<button class="ml-1 text-muted-foreground hover:text-foreground" onclick={() => onDismissError(err.id)} aria-label="Dismiss">×</button>
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</div>
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</div>
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{/each}
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</Pane>
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<Pane bind:size={inputSize} minSize={inputMinSize} maxSize={45} class="flex flex-col">
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<div class="flex h-full min-h-0 flex-col border-t bg-card/50 p-3 input-ornament relative" bind:this={inputWrapperRef}>
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<form
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class="relative mx-auto flex h-full w-full max-w-3xl"
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onsubmit={(e) => {
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e.preventDefault()
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submit()
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}}
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>
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<Textarea
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bind:ref={textareaRef}
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bind:value={input}
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onkeydown={handleKeydown}
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placeholder="Ask Nomos anything…"
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class="h-full max-h-none min-h-0 resize-none rounded-2xl px-4 py-3 pr-12 field-sizing-fixed"
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disabled={streaming}
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/>
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{#if streaming}
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<Button
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type="button"
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size="icon-sm"
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variant="secondary"
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class="absolute right-2 bottom-2 rounded-lg"
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onclick={onCancel}
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aria-label="Stop"
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>
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<SquareIcon class="size-3.5" />
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</Button>
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{:else}
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<Button
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type="submit"
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size="icon-sm"
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variant="secondary"
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class="absolute right-2 bottom-2 rounded-lg"
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disabled={!input.trim()}
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aria-label="Send"
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>
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<CornerDownLeftIcon class="size-3.5" />
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</Button>
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{/if}
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</form>
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</div>
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</Pane>
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</Splitpanes>
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</div>
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<style>
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/* ── Art Nouveau chat styling ── */
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/* Assistant message wrapper */
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.assistant-msg {
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position: relative;
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}
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/* User message — soft terracotta bubble, gentle lift */
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.user-msg {
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box-shadow: 0 1px 8px -4px var(--primary);
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overflow-wrap: break-word;
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}
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/* Prose overrides */
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.prose-chat :global(p) {
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margin: 0 0 0.5rem;
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}
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.prose-chat :global(p:last-child) {
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margin-bottom: 0;
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}
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.prose-chat :global(ul),
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.prose-chat :global(ol) {
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margin: 0 0 0.5rem;
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padding-left: 1.25rem;
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}
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.prose-chat :global(ul) {
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list-style-type: disc;
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}
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.prose-chat :global(ol) {
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list-style-type: decimal;
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}
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.prose-chat :global(li) {
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margin-bottom: 0.125rem;
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padding-left: 0.25rem;
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}
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.prose-chat :global(li::marker) {
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color: var(--primary);
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}
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.prose-chat :global(code) {
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background: var(--muted);
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border: 1px solid var(--border);
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border-radius: 4px;
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padding: 0.15em 0.4em;
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font-family: var(--font-mono);
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font-size: 0.85em;
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color: var(--primary);
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}
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.prose-chat :global(pre) {
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background: var(--muted);
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border: 1px solid var(--border);
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border-radius: 8px;
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padding: 0.75rem 0.875rem;
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overflow-x: auto;
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margin: 0 0 0.5rem;
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position: relative;
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}
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.prose-chat :global(pre)::before {
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content: '';
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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: 1px;
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background: linear-gradient(to right, transparent, var(--primary), transparent);
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opacity: 0.4;
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}
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.prose-chat :global(pre code) {
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background: none;
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padding: 0;
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font-size: 0.8125rem;
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color: inherit;
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||
border: none;
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}
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||
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/* Section headings — serif (Inknut) with a short accent rule. Extra top
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||
margin separates sections; the first heading in a message doesn't. */
|
||
.prose-chat :global(h1) {
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||
font-size: 1.15em;
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||
font-weight: 600;
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margin: 1.15rem 0 0.4rem;
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letter-spacing: 0.01em;
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position: relative;
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display: inline-block;
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||
}
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.prose-chat :global(h2) {
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font-size: 1.08em;
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font-weight: 600;
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margin: 1.15rem 0 0.4rem;
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letter-spacing: 0.01em;
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position: relative;
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display: inline-block;
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}
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.prose-chat :global(h3) {
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font-size: 1.02em;
|
||
font-weight: 600;
|
||
margin: 1.15rem 0 0.4rem;
|
||
letter-spacing: 0.01em;
|
||
position: relative;
|
||
display: inline-block;
|
||
}
|
||
.prose-chat :global(> h1:first-child),
|
||
.prose-chat :global(> h2:first-child),
|
||
.prose-chat :global(> h3:first-child) {
|
||
margin-top: 0;
|
||
}
|
||
.prose-chat :global(h1)::after,
|
||
.prose-chat :global(h2)::after,
|
||
.prose-chat :global(h3)::after {
|
||
content: '';
|
||
display: block;
|
||
width: 2.5rem;
|
||
height: 2px;
|
||
margin-top: 4px;
|
||
border-radius: 1px;
|
||
background: linear-gradient(to right, var(--primary), transparent);
|
||
opacity: 0.55;
|
||
}
|
||
|
||
.prose-chat :global(table) {
|
||
border-collapse: collapse;
|
||
margin: 0 0 0.5rem;
|
||
font-size: 0.8125rem;
|
||
}
|
||
.prose-chat :global(.table-wrapper) {
|
||
overflow-x: auto;
|
||
margin: 0 0 0.5rem;
|
||
}
|
||
.prose-chat :global(.table-wrapper table) {
|
||
margin: 0;
|
||
}
|
||
.prose-chat :global(th) {
|
||
background: var(--muted);
|
||
font-weight: 600;
|
||
}
|
||
.prose-chat :global(th),
|
||
.prose-chat :global(td) {
|
||
border: 1px solid var(--border);
|
||
padding: 0.3rem 0.6rem;
|
||
text-align: left;
|
||
}
|
||
|
||
.prose-chat :global(blockquote) {
|
||
border-left: 3px solid var(--primary);
|
||
padding-left: 0.75rem;
|
||
color: var(--muted-foreground);
|
||
margin: 0 0 0.5rem;
|
||
font-style: italic;
|
||
position: relative;
|
||
}
|
||
.prose-chat :global(blockquote)::before {
|
||
content: '“';
|
||
position: absolute;
|
||
left: -0.15rem;
|
||
top: -0.35rem;
|
||
font-size: 1.5rem;
|
||
color: var(--primary);
|
||
opacity: 0.6;
|
||
font-style: normal;
|
||
line-height: 1;
|
||
}
|
||
|
||
.prose-chat :global(hr) {
|
||
border: none;
|
||
height: 1px;
|
||
margin: 0.75rem 0;
|
||
background: linear-gradient(to right, transparent, var(--border) 20%, var(--border) 80%, transparent);
|
||
}
|
||
|
||
/* Bold is emphasis, not color — dark weight reads cleanly and lets the
|
||
terracotta accent stay meaningful (code, headings, links). */
|
||
.prose-chat :global(strong) {
|
||
color: var(--foreground);
|
||
font-weight: 600;
|
||
}
|
||
|
||
.prose-chat :global(a) {
|
||
color: var(--primary);
|
||
text-decoration: underline;
|
||
text-decoration-style: dotted;
|
||
text-underline-offset: 2px;
|
||
}
|
||
|
||
/* Input area ornament */
|
||
.input-ornament::before {
|
||
content: '';
|
||
position: absolute;
|
||
top: 0;
|
||
left: 2rem;
|
||
right: 2rem;
|
||
height: 1px;
|
||
background: linear-gradient(to right, transparent, var(--primary), transparent);
|
||
opacity: 0.3;
|
||
}
|
||
|
||
/* Code copy button — global: injected via render() into {html} blocks */
|
||
.prose-chat :global(.code-block-wrapper) {
|
||
position: relative;
|
||
}
|
||
.prose-chat :global(.code-copy-btn) {
|
||
position: absolute;
|
||
top: 0.375rem;
|
||
right: 0.375rem;
|
||
display: flex;
|
||
align-items: center;
|
||
justify-content: center;
|
||
width: 1.5rem;
|
||
height: 1.5rem;
|
||
border-radius: 0.375rem;
|
||
color: var(--muted-foreground);
|
||
opacity: 0;
|
||
transition: opacity 0.15s, color 0.15s;
|
||
cursor: pointer;
|
||
border: none;
|
||
background: transparent;
|
||
}
|
||
.prose-chat :global(.code-block-wrapper:hover .code-copy-btn) {
|
||
opacity: 1;
|
||
}
|
||
.prose-chat :global(.code-copy-btn:hover) {
|
||
color: var(--foreground);
|
||
background: var(--muted);
|
||
}
|
||
|
||
/* Streaming cursor — blinking block appended after streaming text */
|
||
.stream-cursor {
|
||
display: inline-block;
|
||
width: 0.55em;
|
||
height: 1.1em;
|
||
background: var(--primary);
|
||
opacity: 0.75;
|
||
border-radius: 1px;
|
||
margin-left: 1px;
|
||
vertical-align: text-bottom;
|
||
animation: cursor-blink 0.9s ease-in-out infinite;
|
||
}
|
||
|
||
@keyframes cursor-blink {
|
||
0%, 100% { opacity: 0.75; }
|
||
50% { opacity: 0; }
|
||
}
|
||
</style>
|