# Schema (JSONL, one row per prompt×dialect)
| key | type | note |
|---|---|---|
| id | str | `{ope|cad}-{sha256(dialect+code)[:16]}` |
| prompt | str | English instruction (dimensions in mm) |
| prompt_ja | str | Japanese instruction (template translation) |
| dialect | str | `openscad` or `cadquery` |
| code | str | OpenSCAD source, or CadQuery Python defining `result` |
| exec_ok | bool | compiled/executed and exported STL (always true in verified) |
| mesh_ok | bool | passed mesh gate (always true in verified) |
| mesh_stats | obj | verts, faces, bbox [[min],[max]], watertight, volume |
| artifact_path | str | relative STL path (local only; not part of upload by default) |
| source | str | `synthetic_v0` |
| license | str | `Apache-2.0` |
| split | str | train/test/hold |
| seed | int | 42 |