feat: add final result rendering with status badges and artifacts

- FinalResult component showing SubagentResult summary and artifacts
- Status badges: Success (green), Partial (amber), Failed (red)
- Quality and source badges (Verified/Inferred, Tool Output/Web/etc)
- Artifact list with file icons
- Integrated into chat page after stream completes

Closes #10

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

implementation-plans/_index.md

@@ -11,3 +11,4 @@
 | #7    | Streaming response rendering                          | COMPLETED    | [issue-007.md](issue-007.md) |
 | #8    | Orchestration state progress indicator                 | COMPLETED    | [issue-008.md](issue-008.md) |
 | #9    | Intermediate results display                           | COMPLETED    | [issue-009.md](issue-009.md) |
+| #10   | Final result rendering with artifacts                  | COMPLETED    | [issue-010.md](issue-010.md) |

implementation-plans/issue-010.md

@@ -0,0 +1,18 @@
+---
+---
+
+# Issue #10: Final result rendering with artifacts
+
+**Status:** COMPLETED
+**Issue:** https://git.shahondin1624.de/llm-multiverse/llm-multiverse-ui/issues/10
+**Branch:** `feature/issue-10-final-result`
+
+## Acceptance Criteria
+
+- [x] summary field rendered as the main response content
+- [x] artifacts displayed as viewable items
+- [x] result_quality shown as a badge (Verified/Inferred/Uncertain)
+- [x] source shown as a badge (Tool Output/Model Knowledge/Web)
+- [x] FAILED status styled with error/red treatment
+- [x] PARTIAL status styled with warning/yellow treatment
+- [x] Successful results styled with success/green treatment

src/lib/components/FinalResult.svelte

@@ -0,0 +1,77 @@
+<script lang="ts">
+	import type { SubagentResult } from '$lib/proto/llm_multiverse/v1/common_pb';
+	import { ResultStatus, ResultQuality, ResultSource } from '$lib/proto/llm_multiverse/v1/common_pb';
+
+	let { result }: { result: SubagentResult } = $props();
+
+	const statusConfig = $derived.by(() => {
+		switch (result.status) {
+			case ResultStatus.SUCCESS:
+				return { label: 'Success', bg: 'bg-green-100', text: 'text-green-800', border: 'border-green-200' };
+			case ResultStatus.PARTIAL:
+				return { label: 'Partial', bg: 'bg-amber-100', text: 'text-amber-800', border: 'border-amber-200' };
+			case ResultStatus.FAILED:
+				return { label: 'Failed', bg: 'bg-red-100', text: 'text-red-800', border: 'border-red-200' };
+			default:
+				return { label: 'Unknown', bg: 'bg-gray-100', text: 'text-gray-800', border: 'border-gray-200' };
+		}
+	});
+
+	const qualityLabel = $derived.by(() => {
+		switch (result.resultQuality) {
+			case ResultQuality.VERIFIED: return 'Verified';
+			case ResultQuality.INFERRED: return 'Inferred';
+			case ResultQuality.UNCERTAIN: return 'Uncertain';
+			default: return '';
+		}
+	});
+
+	const sourceLabel = $derived.by(() => {
+		switch (result.source) {
+			case ResultSource.TOOL_OUTPUT: return 'Tool Output';
+			case ResultSource.MODEL_KNOWLEDGE: return 'Model Knowledge';
+			case ResultSource.WEB: return 'Web';
+			default: return '';
+		}
+	});
+</script>
+
+<div class="mx-4 mb-3 rounded-xl border {statusConfig.border} {statusConfig.bg} p-4">
+	<div class="mb-2 flex items-center gap-2">
+		<span class="rounded-full px-2.5 py-0.5 text-xs font-medium {statusConfig.bg} {statusConfig.text}">
+			{statusConfig.label}
+		</span>
+		{#if qualityLabel}
+			<span class="rounded-full bg-blue-100 px-2.5 py-0.5 text-xs font-medium text-blue-800">
+				{qualityLabel}
+			</span>
+		{/if}
+		{#if sourceLabel}
+			<span class="rounded-full bg-purple-100 px-2.5 py-0.5 text-xs font-medium text-purple-800">
+				{sourceLabel}
+			</span>
+		{/if}
+	</div>
+
+	{#if result.summary}
+		<p class="text-sm {statusConfig.text}">{result.summary}</p>
+	{/if}
+
+	{#if result.failureReason}
+		<p class="mt-2 text-sm text-red-700">Reason: {result.failureReason}</p>
+	{/if}
+
+	{#if result.artifacts.length > 0}
+		<div class="mt-3 border-t {statusConfig.border} pt-3">
+			<p class="mb-1.5 text-xs font-medium text-gray-600">Artifacts</p>
+			<ul class="space-y-1">
+				{#each result.artifacts as artifact (artifact)}
+					<li class="flex items-center gap-2 text-sm">
+						<span class="text-gray-400">&#128196;</span>
+						<span class="font-mono text-xs text-gray-700">{artifact}</span>
+					</li>
+				{/each}
+			</ul>
+		</div>
+	{/if}
+</div>

src/routes/chat/+page.svelte

@@ -1,9 +1,11 @@
 <script lang="ts">
 	import type { ChatMessage } from '$lib/types';
+	import type { SubagentResult } from '$lib/proto/llm_multiverse/v1/common_pb';
 	import MessageList from '$lib/components/MessageList.svelte';
 	import MessageInput from '$lib/components/MessageInput.svelte';
 	import OrchestrationProgress from '$lib/components/OrchestrationProgress.svelte';
 	import ThinkingSection from '$lib/components/ThinkingSection.svelte';
+	import FinalResult from '$lib/components/FinalResult.svelte';
 	import { processRequest, OrchestratorError } from '$lib/services/orchestrator';
 	import { OrchestrationState } from '$lib/proto/llm_multiverse/v1/orchestrator_pb';
 
@@ -13,11 +15,13 @@
 	let sessionId = $state(crypto.randomUUID());
 	let orchestrationState: OrchestrationState = $state(OrchestrationState.UNSPECIFIED);
 	let intermediateResult: string = $state('');
+	let finalResult: SubagentResult | null = $state(null);
 
 	async function handleSend(content: string) {
 		error = null;
 		orchestrationState = OrchestrationState.UNSPECIFIED;
 		intermediateResult = '';
+		finalResult = null;
 
 		const userMessage: ChatMessage = {
 			id: crypto.randomUUID(),
@@ -43,6 +47,9 @@
 				if (response.intermediateResult) {
 					intermediateResult = response.intermediateResult;
 				}
+				if (response.finalResult) {
+					finalResult = response.finalResult;
+				}
 				const idx = messages.length - 1;
 				messages[idx] = {
 					...messages[idx],
@@ -91,6 +98,10 @@
 		</div>
 	{/if}
 
+	{#if finalResult && !isStreaming}
+		<FinalResult result={finalResult} />
+	{/if}
+
 	{#if error}
 		<div class="mx-4 mb-2 rounded-lg bg-red-50 px-4 py-2 text-sm text-red-600">
 			{error}