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Device node: a device's ports are wired in flows

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- flow/nodes/device.py: `device` node with params `device` and `config`;
  provides the device's `in` ports, requires its `out` ports without
  waking anything, never run (Node.passive), down "Offline" from presence
- DeviceDef.io and DevicePort go; GET /devices/{id} computes `io` and
  `bindings` from the device nodes of published flows, in a fixed order,
  cached by FlowStore.revision; the credential's scope comes from them
- issues `unknown_device` and `device_port` (wired twice; against a report
  the wrong direction or dtype, or unlisted as advisory), rechecked when a
  device is created or deleted; ValidationIssue.advisory is a field
- a device publishing on a bound port is credited to its node by the
  server; the panel endpoint kind is gone from `_endpoints` and the canvas
- a rebuild that moves a device's bindings sends `dashboard_changed` with
  an empty name, which the firmware refetches on
- startup moves each device's `io` rows into device nodes in the flows
  declaring their messages, draft and published, one commit; rows no
  flow declares are logged and left out
- frontend: Device node settings (device, Publishes, Follows, a port
  picker from a report), palette shortcuts per reported port, DeviceDetail
  lists bindings with "Use in flow" in place of the I/O editor
- docs: devices, flow editor, node types, issues, API
This commit is contained in:
Melvin Strobl
2026-10-16 16:40:31 +02:00
parent 91e3b703f9
commit 29d3ec467f
35 changed files with 2195 additions and 494 deletions
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docs/concepts/flows.md
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@@ -138,7 +138,9 @@ The canvas reports issues on the affected nodes:
| `node_error` | code or configuration could not load |
| `unauthenticated_hook` | a webhook or served websocket has no shared secret; advisory |
| `ignored_device` | a node other than a Function node names a device, which nothing reads; advisory |
| `node_unhealthy` | a loaded node reports a runtime problem, such as a lost connection |
| `unknown_device` | a Device node names no device, or one that does not exist |
| `device_port` | a device port is wired in two places, or against the device's report the wrong way or type; a port the report does not list is advisory |
| `node_unhealthy` | a loaded node reports a runtime problem, such as a lost connection, or a device being offline |
Build issues prevent the affected flow from running. The last three are runtime
or advisory issues: other work continues, and node health clears when the