locale key coverage audit derived

{
  "input": {
    "body": {
      "locales": [
        {
          "base": true,
          "locale": "en",
          "messages": {
            "app": {
              "title": "Dashboard",
              "greeting": "Hello, {name}"
            },
            "cart": {
              "item_one": "You have {count} item in your cart",
              "item_other": "You have {count} items in your cart"
            },
            "legal": {
              "terms": "By continuing you accept the <a href=\"/terms\">terms</a>"
            },
            "errors": {
              "retry": "Try again",
              "generic": "Something went wrong"
            },
            "shared": {
              "cancel": "Cancel",
              "dismiss": "Cancel"
            },
            "invoice": {
              "total": "Total: {amount, number, ::currency/USD}"
            }
          }
        },
        {
          "locale": "ja",
          "messages": {
            "app": {
              "title": "ダッシュボード",
              "greeting": "こんにちは、{name}"
            },
            "cart": {
              "item_one": "{count} 件",
              "item_other": "{count} 件"
            },
            "legal": {
              "terms": "続行すると<a href=\"/terms\">規約</a>に同意したものとみなされます"
            },
            "errors": {
              "generic": ""
            },
            "shared": {
              "cancel": "キャンセル",
              "dismiss": "閉じる"
            },
            "invoice": {
              "total": "合計: {amount, number, ::currency/USD}"
            },
            "removed": {
              "old_banner": "もう使っていません"
            }
          }
        },
        {
          "locale": "nl",
          "messages": {
            "app": {
              "title": "Dashboard",
              "greeting": "Hallo, {name}"
            },
            "cart": {
              "item_one": "U heeft {count} item",
              "item_other": "U heeft {count} items"
            },
            "legal": {
              "terms": "Door verder te gaan accepteert u de <a href=\"/terms\">voorwaarden</a>"
            },
            "errors": {
              "retry": "Opnieuw proberen",
              "generic": "Er is iets misgegaan"
            },
            "shared": {
              "cancel": "Annuleren",
              "dismiss": "Sluiten"
            },
            "invoice": {
              "total": "Totaal: {amount, number, ::currency/USD}"
            }
          }
        }
      ]
    },
    "type": "http",
    "method": "POST",
    "bodyType": "json"
  },
  "output": {
    "type": "json",
    "example": {
      "limits": {
        "maxKeys": 50000,
        "maxLocales": 60,
        "maxFindings": 500,
        "maxFileBytes": 2097152,
        "maxValueLength": 32768
      },
      "passed": false,
      "locales": [
        {
          "base": true,
          "empty": 0,
          "extra": 0,
          "locale": "en",
          "missing": 0,
          "identical": 0,
          "key_count": 10
        },
        {
          "base": false,
          "empty": 1,
          "extra": 1,
          "locale": "ja",
          "missing": 1,
          "identical": 0,
          "key_count": 10
        },
        {
          "base": false,
          "empty": 0,
          "extra": 0,
          "locale": "nl",
          "missing": 0,
          "identical": 1,
          "key_count": 10
        }
      ],
      "complete": true,
      "findings": [
        {
          "key": "errors.generic",
          "code": "VALUE_EMPTY",
          "detail": "ja has errors.generic present and empty, which satisfies a completeness count and renders nothing.",
          "locale": "ja"
        },
        {
          "key": "errors.retry",
          "code": "KEY_MISSING",
          "detail": "ja is missing errors.retry. What appears instead depends on the loader: the base string, the key itself, or nothing.",
          "locale": "ja"
        },
        {
          "key": "removed.old_banner",
          "code": "KEY_NOT_IN_BASE",
          "detail": "ja has removed.old_banner and the base locale does not. Nothing references it, so it is translated and never shown.",
          "locale": "ja"
        }
      ],
      "request_id": "example-request",
      "service_id": "locale_key_coverage_audit",
      "assumptions": [
        "An empty value is reported separately from an absent key, because an empty string satisfies a completeness count and renders nothing, which is how a blank interface passes a translation report.",
        "A value identical to the base is reported as either untranslated or a deliberate loan word, with the ambiguity stated, because nothing in the file distinguishes them. A short value with no letters is ...",
        "The base locale is the one the caller marks, or the first supplied, and which was used is published."
      ],
      "base_locale": "en",
      "limitations": [
        "Key presence across the files supplied. Whether a translation is correct is outside this entirely.",
        "complete_coverage is true only when every locale carried every base key with a non-empty, distinct value."
      ],
      "observed_at": "2026-10-02T00:00:00.000Z",
      "locale_count": 3,
      "not_examined": [],
      "finding_count": 4,
      "base_key_count": 10,
      "service_version": "1.0.0",
      "findings_by_code": {
        "KEY_MISSING": 1,
        "VALUE_EMPTY": 1,
        "KEY_NOT_IN_BASE": 1,
        "VALUE_IDENTICAL_TO_BASE": 1
      },
      "complete_coverage": false,
      "identical_treated_as_untranslated": true
    }
  }
}