dtoro
cc6bcdceaa
- Activity bar moved to bottom of message list (before messagesEnd) - Smart scroll: auto-scroll only during streaming or when near bottom - Scrolling up pauses auto-scroll until next send - Removed duplicate $effect block - Plan: tool timeline in sidebar (plans/2026-07-14-tool-timeline-sidebar.md)
363 lines
13 KiB
Svelte
363 lines
13 KiB
Svelte
<script lang="ts">
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import { messages, streaming, connectionState, currentSession, sendMessage, cancelStream, reconnect, error, chatErrors, dismissError } from '$lib/stores/chat'
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import { currentTask } from '$lib/stores/workspace'
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import { resumeSession } from '$lib/api'
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import SessionRail from '$lib/components/SessionRail.svelte'
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import TaskContextPanel from '$lib/components/TaskContextPanel.svelte'
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import ToolCallGroup from '$lib/components/ToolCallGroup.svelte'
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import InlineApproval from '$lib/components/InlineApproval.svelte'
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import { getToolRenderer } from '$lib/tool-renderers'
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import { Button } from '$lib/components/ui/button'
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import { Textarea } from '$lib/components/ui/textarea'
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import ArrowUpIcon from '@lucide/svelte/icons/arrow-up'
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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 LoaderCircleIcon from '@lucide/svelte/icons/loader-circle'
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import { marked } from 'marked'
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import DOMPurify from 'dompurify'
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let { showRail = true }: { showRail?: boolean } = $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 = $state<HTMLDivElement | null>(null)
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function isNearBottom(): boolean {
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if (!container) return true
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const { scrollTop, scrollHeight, clientHeight } = container
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return scrollHeight - scrollTop - clientHeight < 80
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}
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function onScroll() {
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scrolledUp = !isNearBottom()
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}
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// Auto-scroll to bottom on new messages — unless user scrolled up to read.
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$effect(() => {
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void $messages
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if ($streaming || !scrolledUp) {
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setTimeout(() => messagesEnd?.scrollIntoView({ behavior: 'smooth' }), 50)
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}
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})
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// Reset scroll lock when user sends a message.
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function submitFollows() {
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scrolledUp = false
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}
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const MAX_INLINE_CARDS = 5
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function getInlineTools(msg: { tools: any[] }): any[] {
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const matched = msg.tools.filter((t) => getToolRenderer(t))
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if (matched.length <= MAX_INLINE_CARDS) return matched
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return matched.slice(0, MAX_INLINE_CARDS)
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}
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function getRemaining(msg: { tools: any[] }, inline: any[]): any[] {
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const inlineIds = new Set(inline.map((t) => t.id))
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return msg.tools.filter((t) => !inlineIds.has(t.id))
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}
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// Resizable right rail (session graph). Persisted so it survives reloads.
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const RAIL_MIN = 260
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const RAIL_MAX = 620
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function loadRailWidth(): number {
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if (typeof localStorage === 'undefined') return 320
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const v = Number(localStorage.getItem('oikos-rail-width'))
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return v >= RAIL_MIN && v <= RAIL_MAX ? v : 320
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}
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let railWidth = $state(loadRailWidth())
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let resizing = $state(false)
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function startResize(e: PointerEvent) {
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e.preventDefault()
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resizing = true
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const startX = e.clientX
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const startW = railWidth
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function move(ev: PointerEvent) {
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railWidth = Math.min(RAIL_MAX, Math.max(RAIL_MIN, startW + (startX - ev.clientX)))
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}
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function up() {
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resizing = false
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localStorage.setItem('oikos-rail-width', String(railWidth))
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window.removeEventListener('pointermove', move)
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window.removeEventListener('pointerup', up)
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}
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window.addEventListener('pointermove', move)
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window.addEventListener('pointerup', up)
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}
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function render(text: string): string {
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return DOMPurify.sanitize(marked.parse(text, { async: false }) as string)
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}
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function submit() {
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const text = input.trim()
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if (!text || $streaming) return
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input = ''
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scrolledUp = false
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sendMessage(text)
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}
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function handleKeydown(e: KeyboardEvent) {
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if (e.key === 'Enter' && !e.shiftKey) {
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e.preventDefault()
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submit()
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}
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}
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const suggestions = [
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'What needs my attention right now?',
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'Summarize fleet health',
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'Any pending approvals or open signals?',
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'What changed in the last hour?'
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]
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function ask(q: string) {
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if ($streaming) return
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sendMessage(q)
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}
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function statusLabel(s: string): string {
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return s.replace(/_/g, ' ').replace(/\b\w/g, (c) => c.toUpperCase())
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}
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const liveStatus = $derived($currentTask?.status ?? ($currentSession ? 'active' : null))
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</script>
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<div class="flex h-full min-h-0">
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{#if showRail}
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<div class="hidden md:block">
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<SessionRail />
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</div>
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{/if}
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<div class="flex min-w-0 flex-1 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 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-col items-center gap-6 pt-24 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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<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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</div>
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{/if}
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{#each $messages as msg, i (msg.id)}
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<div class="flex flex-col gap-1.5 {msg.role === 'user' ? 'items-end' : 'items-start'}">
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{#if msg.role === 'user'}
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<div class="max-w-[85%] rounded-2xl rounded-br-sm bg-primary px-4 py-2.5 text-sm text-primary-foreground whitespace-pre-wrap">{msg.text}</div>
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{:else}
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<div class="flex w-full flex-col gap-2">
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{#each getInlineTools(msg) as tool (tool.id)}
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{@const renderer = getToolRenderer(tool)}
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{#if renderer}
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<renderer.component {tool} />
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{/if}
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{/each}
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<ToolCallGroup
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tools={msg.tools}
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unmatched={getRemaining(msg, getInlineTools(msg))}
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active={$streaming && i === $messages.length - 1}
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/>
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{#if msg.text}
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<div class="prose-chat max-w-none text-sm leading-relaxed">
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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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</div>
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{:else if msg.tools.length === 0}
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<div class="flex items-center gap-1.5 py-1 text-sm text-muted-foreground">
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<span class="size-1.5 animate-bounce rounded-full bg-current [animation-delay:-0.3s]"></span>
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<span class="size-1.5 animate-bounce rounded-full bg-current [animation-delay:-0.15s]"></span>
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<span class="size-1.5 animate-bounce rounded-full bg-current"></span>
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</div>
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{/if}
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{#if msg.pendingApprovals.length > 0}
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<InlineApproval approvals={msg.pendingApprovals} />
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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 $currentSession && $messages.length > 0}
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<div class="flex items-center gap-2 text-xs text-muted-foreground py-1">
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{#if $streaming}
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<LoaderCircleIcon class="size-3 shrink-0 animate-spin text-primary" />
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<span>Agent is responding…</span>
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{:else if liveStatus === 'executing'}
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<LoaderCircleIcon class="size-3 shrink-0 animate-spin text-warning" />
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<span>Working — {statusLabel(liveStatus)}</span>
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<Button size="xs" variant="outline" class="ml-auto h-6 text-[11px]" onclick={async () => {
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if ($currentSession) { await resumeSession($currentSession) }
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}}>Continue</Button>
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{:else if liveStatus === 'awaiting_input'}
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<span class="text-warning">Waiting for your answer</span>
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{:else if liveStatus}
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<span>Status: {statusLabel(liveStatus)}</span>
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{/if}
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{#if $currentTask?.goal}
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<span class="text-muted-foreground">· {$currentTask.goal.slice(0, 60)}{$currentTask.goal.length > 60 ? '…' : ''}</span>
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{/if}
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</div>
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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={reconnect}>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={() => dismissError(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={() => dismissError(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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<div class="border-t bg-card/50 p-3">
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<form
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class="mx-auto flex max-w-3xl items-end gap-2"
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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:value={input}
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onkeydown={handleKeydown}
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placeholder="Ask Nomos anything…"
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rows={2}
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class="max-h-40 min-h-0 resize-none"
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disabled={$streaming}
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/>
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{#if $streaming}
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<Button type="button" size="icon" variant="destructive" onclick={cancelStream} aria-label="Stop">
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<SquareIcon />
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</Button>
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{:else}
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<Button type="submit" size="icon" disabled={!input.trim()} aria-label="Send">
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<ArrowUpIcon />
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</Button>
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{/if}
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</form>
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</div>
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</div>
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{#if showRail}
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<div class="hidden shrink-0 xl:flex" style="width: {railWidth}px">
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<button
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type="button"
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class="group/rz relative w-1.5 shrink-0 cursor-col-resize touch-none"
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onpointerdown={startResize}
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aria-label="Resize task panel"
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>
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<span
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class="absolute inset-y-0 left-1/2 w-px -translate-x-1/2 transition-colors {resizing
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? 'bg-primary/60'
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: 'bg-border group-hover/rz:bg-primary/50'}"
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></span>
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</button>
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<div class="flex min-w-0 flex-1 flex-col">
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<TaskContextPanel />
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</div>
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</div>
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{/if}
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</div>
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<style>
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/* Minimal markdown styling for assistant messages. */
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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(li) {
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margin-bottom: 0.125rem;
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}
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.prose-chat :global(code) {
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background: var(--muted);
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border-radius: 4px;
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padding: 0.1em 0.35em;
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font-family: var(--font-mono);
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font-size: 0.85em;
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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: 0.625rem 0.75rem;
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overflow-x: auto;
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margin: 0 0 0.5rem;
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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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}
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.prose-chat :global(h1),
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.prose-chat :global(h2),
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.prose-chat :global(h3) {
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font-weight: 600;
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margin: 0.75rem 0 0.375rem;
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font-size: 1em;
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}
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.prose-chat :global(table) {
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border-collapse: collapse;
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margin: 0 0 0.5rem;
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font-size: 0.8125rem;
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}
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.prose-chat :global(th),
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.prose-chat :global(td) {
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border: 1px solid var(--border);
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padding: 0.25rem 0.5rem;
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text-align: left;
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}
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.prose-chat :global(blockquote) {
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border-left: 3px solid var(--border);
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padding-left: 0.75rem;
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color: var(--muted-foreground);
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margin: 0 0 0.5rem;
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}
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</style>
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