feat(drawer): artifacts section — files, code blocks, deploy URL

.claude/sessions/.last_inbox_check

@@ -1 +1 @@
-1775812935
+1775818515

frontend/components/rails/SubTaskDetailDrawer.tsx

@@ -380,6 +380,67 @@ const EventPayload = styled.pre`
   opacity: 0.8;
 `;
 
+const FileList = styled.div`
+  display: flex;
+  flex-direction: column;
+  gap: 6px;
+`;
+
+const FileRow = styled.div`
+  display: flex;
+  align-items: center;
+  gap: 10px;
+  padding: 10px 14px;
+  background: var(--bg-input);
+  border: 1px solid var(--border-color);
+  border-radius: 8px;
+  font-family: var(--font-mono);
+  font-size: 12px;
+`;
+
+const FileBadge = styled.span<{ $kind: string }>`
+  padding: 2px 8px;
+  font-size: 9px;
+  font-weight: 700;
+  text-transform: uppercase;
+  border-radius: 10px;
+  color: #fff;
+  background: ${({ $kind }) => {
+    switch ($kind) {
+      case 'html':
+      case 'htm':
+        return '#f97316';
+      case 'js':
+      case 'javascript':
+      case 'jsx':
+        return '#eab308';
+      case 'ts':
+      case 'typescript':
+      case 'tsx':
+        return '#3b82f6';
+      case 'css':
+      case 'scss':
+        return '#ec4899';
+      case 'json':
+      case 'yaml':
+        return '#8b5cf6';
+      case 'md':
+      case 'markdown':
+        return '#6b7280';
+      case 'url':
+        return '#22c55e';
+      default:
+        return '#525252';
+    }
+  }};
+`;
+
+const FilePath = styled.code`
+  flex: 1;
+  word-break: break-all;
+  color: var(--text-primary);
+`;
+
 const Loading = styled.div`
   padding: 60px 20px;
   text-align: center;
@@ -460,6 +521,27 @@ export default function SubTaskDetailDrawer({ subTaskId, onClose }: Props) {
     [detail],
   );
 
+  const artifacts = useMemo(() => {
+    if (!detail) return { mainFile: '', codeFiles: [] as Array<{ path: string; lang: string }>, deployUrl: '' };
+    let mainFile = '';
+    let codeFiles: Array<{ path: string; lang: string }> = [];
+    let deployUrl = '';
+    for (const ev of detail.events) {
+      if (ev.eventType === 'completed' && ev.payload && typeof ev.payload === 'object') {
+        const p = ev.payload as Record<string, unknown>;
+        if (typeof p.file === 'string' && p.file) mainFile = p.file;
+        if (Array.isArray(p.extractedFiles)) {
+          codeFiles = (p.extractedFiles as Array<{ path?: string; lang?: string }>)
+            .filter((f): f is { path: string; lang: string } => !!f?.path)
+            .map((f) => ({ path: f.path, lang: f.lang ?? '' }));
+        }
+        if (typeof p.deployUrl === 'string') deployUrl = p.deployUrl;
+        if (typeof p.repoUrl === 'string' && !deployUrl) deployUrl = p.repoUrl;
+      }
+    }
+    return { mainFile, codeFiles, deployUrl };
+  }, [detail]);
+
   useEffect(() => {
     setLoading(true);
     fetch(`${API_URL}/api/rails/sub-tasks/${subTaskId}`, {
@@ -565,6 +647,36 @@ export default function SubTaskDetailDrawer({ subTaskId, onClose }: Props) {
                 </Section>
               )}
 
+              {(artifacts.mainFile || artifacts.codeFiles.length > 0 || artifacts.deployUrl) && (
+                <Section>
+                  <SectionLabel>산출물</SectionLabel>
+                  <FileList>
+                    {artifacts.mainFile && (
+                      <FileRow>
+                        <FileBadge $kind="md">log</FileBadge>
+                        <FilePath>{artifacts.mainFile}</FilePath>
+                      </FileRow>
+                    )}
+                    {artifacts.codeFiles.map((f) => (
+                      <FileRow key={f.path}>
+                        <FileBadge $kind={f.lang || 'code'}>{f.lang || 'code'}</FileBadge>
+                        <FilePath>files/{f.path}</FilePath>
+                      </FileRow>
+                    ))}
+                    {artifacts.deployUrl && (
+                      <FileRow>
+                        <FileBadge $kind="url">url</FileBadge>
+                        <FilePath>
+                          <a href={artifacts.deployUrl} target="_blank" rel="noopener noreferrer" style={{ color: '#5fafff' }}>
+                            {artifacts.deployUrl}
+                          </a>
+                        </FilePath>
+                      </FileRow>
+                    )}
+                  </FileList>
+                </Section>
+              )}
+
               {llmResult && llmResult.text && (
                 <Section>
                   <SectionLabel>LLM 응답</SectionLabel>