Kernel Control Center sends initPosition coordinates as strings

[yaeby]

Defect

Affected version

Release 0.33.0

Steps to reproduce

1. Send a vda5050 initPosition command from Kernel Control Center

Expected behaviour

Parameters x, y and theta are numeric type as according to VDA5050 2.0 documentation

{
  "headerId" : 0,
  "timestamp" : "2026-06-22T11:33:04.424068200Z",
  "version" : "2.0.0",
  "manufacturer" : "x",
  "serialNumber" : "x",
  "actions" : [ {
    "actionType" : "initPosition",
    "actionId" : "1",
    "blockingType" : "NONE",
    "actionParameters" : [ {
      "key" : "theta",
      "value" : -1.5707963267948966
    }, {
      "key" : "lastNodeId",
      "value" : "t-0001"
    }, {
      "key" : "x",
      "value" : 0.575
    }, {
      "key" : "y",
      "value" : 1.19
    }, {
      "key" : "mapId",
      "value" : ""
    } ]
  } ]
}

Actual behaviour

Parameters x, y and theta are strings

{
  "headerId" : 0,
  "timestamp" : "2026-06-22T11:33:04.424068200Z",
  "version" : "2.0.0",
  "manufacturer" : "x",
  "serialNumber" : "x",
  "actions" : [ {
    "actionType" : "initPosition",
    "actionId" : "1",
    "blockingType" : "NONE",
    "actionParameters" : [ {
      "key" : "theta",
      "value" : "-1.5707963267948966"
    }, {
      "key" : "lastNodeId",
      "value" : "t-0001"
    }, {
      "key" : "x",
      "value" : "0.575"
    }, {
      "key" : "y",
      "value" : "1.19"
    }, {
      "key" : "mapId",
      "value" : ""
    } ]
  } ]
}

Additional information (logs, screenshots etc.)

Acceptance criteria

• Actual behaviour corrected
• New tests added or existing tests improved to help prevent future defects
• Changelog entry added

/label ~defect

[yaeby]

Proposed fix:
openTCS/opentcs-commadapter-vda5050#18