Overview lists: a duplicate button beside the trash while selecting copies the picked flows or dashboards as drafts, one request each, then clears the selection. Publish, delete and duplicate share one batch helper with their own toasts. Docs

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

docs/code/api.md

@@ -58,6 +58,7 @@ a token. Password recovery uses `POST /password-recovery/{email}` and
 | `POST` | `/flows/{name}/publish` | publish; send `{"version": <current-version>}` |
 | `POST` | `/flows/{name}/discard-draft` | discard unpublished edits |
 | `POST` | `/flows/{name}/rename` | rename |
+| `POST` | `/flows/{name}/duplicate` | copy into an unpublished `{name}_copy`; code nodes need a superuser |
 | `DELETE` | `/flows/{name}` | delete; refused while a run is queued or running |
 | `GET` | `/flows/node-types` | list types and parameter schemas |
 | `GET` | `/flows/graph` | read the graph shown on Home |
@@ -188,6 +189,7 @@ on its own, so this is for reclaiming space sooner.
 | `POST` | `/dashboards/from-flow/{flow}` | create a batch flow's results dashboard |
 | `PUT` | `/dashboards/{name}` | save a draft |
 | `POST` | `/dashboards/{name}/publish`, `/dashboards/{name}/discard`, `/dashboards/{name}/rename` | publish, discard, or rename |
+| `POST` | `/dashboards/{name}/duplicate` | copy into an unpublished `{name}_copy` |
 | `GET`, `PUT` | `/panels/` | read or replace panel assignments; send the current `version` |
 | `POST` | `/panels/pair` | start device pairing |
 | `GET` | `/panels/pair/{code}` | poll pairing with its `secret` |