curl https://api.getagentdrive.com/v0/files/file_xyz789 \
  -H "Authorization: Bearer YOUR_API_KEY"

{
  "id": "file_xyz789",
  "drive_id": "drv_abc123",
  "path": "documents/report.pdf",
  "filename": "report.pdf",
  "mime_type": "application/pdf",
  "size": 24576,
  "content_hash": "sha256:abcdef1234567890",
  "content_preview": null,
  "tags": ["report", "2026"],
  "metadata": { "author": "Jane Doe" },
  "created_at": "2026-01-15T10:30:00Z",
  "updated_at": "2026-01-15T10:30:00Z"
}