LAKA-WCAG-FORM-ERROR

{
  "id": "LAKA-WCAG-FORM-ERROR",
  "version": "1.0.0",
  "authority": "wcag_requirement",
  "source_refs": [
    "SC-3.3.1"
  ],
  "wcag_refs": [
    {
      "criterion_id": "3.3.1",
      "level": "A"
    }
  ],
  "covers_full_criteria": false,
  "object": {
    "type": "form validation",
    "scope": "A concrete authorized component instance; bind before execution.",
    "states": [
      "invalid",
      "submitted",
      "corrected"
    ]
  },
  "applicability": {
    "predicate": "validation.error_automatically_detected"
  },
  "require": {
    "all": [
      {
        "predicate": "error.field_identified"
      },
      {
        "predicate": "error.described_in_text"
      }
    ]
  },
  "exceptions": [],
  "implementation": "Bind to the actual error rendering and field relationships; choose and review a feedback pattern.",
  "laka": {
    "change_level": "Major Change",
    "internal_variables": {
      "Object": "form validation in the declared test scope.",
      "Conditions": "Use the listed states with a recorded role, fixture and environment.",
      "Actions": "Execute the named task and its relevant recovery transitions.",
      "Tools": "Use repository test adapters and qualified manual review where needed.",
      "Resources": "Synthetic fixtures, a test environment, accountable owner and evidence store.",
      "Outcomes": "The affected field and error are understandable from the textual feedback.",
      "Feedback": "Preserve observations and create a linked regression check after repair.",
      "Constraints": "Do not weaken security, erase information or reduce task functionality.",
      "Value": "Support independent operation of this task without the recorded barrier.",
      "Failure mode": "An assertion fails, remains unknown or regresses in a relevant state."
    },
    "meta_variables": [
      "Scope",
      "Detectability",
      "Propagation",
      "Reversibility"
    ]
  },
  "tests": [
    {
      "method": "mixed",
      "steps": [
        "Enter a controlled invalid value.",
        "Submit using the required input method.",
        "Inspect the error and identify the field.",
        "Correct the value and continue."
      ],
      "expected": "The affected field and error are understandable from the textual feedback.",
      "evidence_required": [
        "build and test fixture",
        "rendered interaction observations",
        "reviewed manual evidence where required"
      ]
    }
  ],
  "metrics": [
    {
      "measure": "supported required assertions",
      "unit": "count",
      "decision": "No false or unresolved required assertions.",
      "denominator": "All applicable planned assertions for this bound instance."
    }
  ],
  "guardrails": [
    "Do not use color alone.",
    "Do not fabricate an assistive-technology observation."
  ],
  "owner": "Assigned accessibility implementation owner",
  "execution_status": "NOT_TESTED"
}