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src/servers/api/task-logs/task-logs.ts

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+import { readdir } from 'node:fs/promises';
+import { join } from 'node:path';
+import { createRouter } from '../../create-router';
+import { getTaskLogsDir } from '../../data-path';
+
+type LogMetadata = {
+  filename: string;
+  taskName: string;
+  taskDirName: string;
+  entryName: string;
+  entryType: 'file' | 'directory';
+  provider: string;
+  model: string;
+  startedAt: string;
+  completedAt: string | null;
+  isError: boolean;
+};
+
+export const taskLogsRouter = createRouter();
+
+// GET / — list all log files (metadata only, no messages)
+taskLogsRouter.get('/', async (ctx) => {
+  const email = ctx.get('user').email;
+  const dir = getTaskLogsDir(email);
+
+  let files: string[];
+  try {
+    files = (await readdir(dir)).filter((f) => f.endsWith('.json'));
+  } catch {
+    return ctx.json([]);
+  }
+
+  // Sort by filename descending (newest first since filenames start with timestamp)
+  files.sort((a, b) => b.localeCompare(a));
+
+  const logs: LogMetadata[] = [];
+  for (const filename of files) {
+    try {
+      const raw = await Bun.file(join(dir, filename)).json();
+      const lastMessage = Array.isArray(raw.messages) ? raw.messages[raw.messages.length - 1] : null;
+      const isError = lastMessage?.role === 'result' ? lastMessage.isError : lastMessage?.role === 'error';
+      logs.push({
+        filename,
+        taskName: raw.taskName ?? '',
+        taskDirName: raw.taskDirName ?? '',
+        entryName: raw.entryName ?? '',
+        entryType: raw.entryType ?? 'file',
+        provider: raw.provider ?? '',
+        model: raw.model ?? '',
+        startedAt: raw.startedAt ?? '',
+        completedAt: raw.completedAt ?? null,
+        isError: !!isError,
+      });
+    } catch {
+      // Skip unreadable files
+    }
+  }
+
+  return ctx.json(logs);
+});
+
+// GET /:filename — return full log file content
+taskLogsRouter.get('/:filename', async (ctx) => {
+  const email = ctx.get('user').email;
+  const filename = ctx.req.param('filename');
+
+  if (!filename.endsWith('.json') || filename.includes('/') || filename.includes('..')) {
+    return ctx.text('Invalid filename', 400);
+  }
+
+  const filePath = join(getTaskLogsDir(email), filename);
+
+  try {
+    const data = await Bun.file(filePath).json();
+    return ctx.json(data);
+  } catch {
+    return ctx.text('Not found', 404);
+  }
+});