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feat(automation): select op — target entities by handle/type/layer

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Add a select op that sets the document selection (by hex handles from
query, or by type/layer, or clear). Selection drives modify commands, so
an agent can query → select → run("ERASE") to act on specific entities.
Completes the modify half of the act/observe loop. ocs.py gains select().

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Hakan Seven 2026-06-17 21:27:26 +03:00
commit c78bc62056
3 changed files with 65 additions and 0 deletions
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10
docs/automation/README.md
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@ -20,8 +20,18 @@ can act → observe → act.
| `{"op":"run","cmd":"LAYER Walls"}` | `{"ok":true,"cmd":...,"entities":N,"added":D}` |
| `{"op":"entities"}` | `{"ok":true,"total":N,"by_type":{"Line":42,...}}` |
| `{"op":"query","type":"Line","layer":"Walls"}` | per-entity `{handle,type,layer,…geometry}` (filters + `limit` optional) |
| `{"op":"select","handles":["2B"]}` | set the selection (by `handles`, `type`, or `layer`; `clear` to deselect) → `{"ok":true,"selected":N}` |
| `{"op":"save","path":"out.dwg"}` | `{"ok":true,"saved":"out.dwg"}` (path optional once opened/saved) |
Selection drives modify commands — `select` the targets (e.g. the handles a
`query` returned), then `run("ERASE")`:
```python
ocs.select(type="Line"); ocs.run("ERASE") # erase every line
ids = [e["handle"] for e in ocs.query(layer="Walls")["entities"]]
ocs.select(handles=ids); ocs.run("ERASE")
```
Every response has `"ok"`; failures carry `"error"`. `run` drives Open CAD
Studio's **own** command system — no separate bindings to maintain — so its
coverage grows with the app.