merge: harden field performance evidence

config/performance/field-input.example.json

@@ -1,5 +1,25 @@
 {
   "schemaVersion": 1,
   "releaseId": "local-release",
+  "environment": "replace-with-production",
+  "source": {
+    "system": "",
+    "exportId": ""
+  },
+  "privacy": {
+    "approved": false,
+    "approvalRef": ""
+  },
+  "window": {
+    "start": "2026-06-01T00:00:00Z",
+    "end": "2026-06-29T00:00:00Z"
+  },
+  "thresholdDecision": {
+    "status": "pending",
+    "minimumEligibleSamples": null,
+    "owner": "",
+    "reviewedAt": "",
+    "evidenceRef": ""
+  },
   "samples": []
 }

config/schemas/field-web-vitals.schema.json

@@ -8,6 +8,7 @@
     "window",
     "context",
     "metrics",
+    "thresholds",
     "eligibility",
     "status",
     "passed"
@@ -18,12 +19,55 @@
     "window": { "type": "object", "required": ["days", "start", "end"] },
     "context": {
       "type": "object",
-      "required": ["source", "network", "routeAggregation", "releaseId"]
+      "required": [
+        "source",
+        "sourceSystem",
+        "exportId",
+        "network",
+        "routeAggregation",
+        "releaseId",
+        "privacyApprovalRef",
+        "thresholdDecisionRef",
+        "validationFailures"
+      ],
+      "properties": {
+        "source": { "type": "string" },
+        "sourceSystem": { "type": ["string", "null"] },
+        "exportId": { "type": ["string", "null"] },
+        "network": { "const": "production-real-user" },
+        "routeAggregation": { "const": "route-id-only" },
+        "releaseId": { "type": ["string", "null"] },
+        "privacyApprovalRef": { "type": ["string", "null"] },
+        "thresholdDecisionRef": { "type": ["string", "null"] },
+        "validationFailures": {
+          "type": "array",
+          "items": { "type": "string" }
+        }
+      },
+      "additionalProperties": false
+    },
+    "thresholds": {
+      "type": "object",
+      "required": [
+        "p75LcpMs",
+        "p75Cls",
+        "p75InpMs",
+        "minimumEligibleSamples"
+      ]
+    },
+    "metrics": {
+      "type": "object",
+      "required": ["p75LcpMs", "p75Cls", "p75InpMs"]
     },
-    "metrics": { "type": "object" },
     "eligibility": {
       "type": "object",
-      "required": ["consentRequired", "eligibleSamples", "minimumEligibleSamples"]
+      "required": [
+        "consentRequired",
+        "totalSamples",
+        "eligibleSamples",
+        "minimumEligibleSamples",
+        "routeSamples"
+      ]
     },
     "status": {
       "enum": ["PASS", "FAIL_THRESHOLD", "FAIL_UNVERIFIED"]