feat: AI report quality check before submission

Adds POST /api/incidents/ai/quality-check using Claude tool_use to score incident descriptions 1-10. Report form blocks submission when score < 6, shows amber feedback with suggestions, and offers a 'Submit anyway' override.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01FFDuBhMKvoWjrWT3ZnGmmr

components/incidents/report-form.tsx

@@ -33,6 +33,13 @@ export function ReportForm({ zoneToken }: Props) {
   const [submitting, setSubmitting] = useState(false)
   const [error, setError] = useState<string | null>(null)
   const [files, setFiles] = useState<File[]>([])
+  const [qualityCheck, setQualityCheck] = useState<{
+    score: number
+    passes: boolean
+    feedback: string
+    suggestions: string[]
+  } | null>(null)
+  const [overrideQuality, setOverrideQuality] = useState(false)
 
   const [form, setForm] = useState({
     incident_type: '' as IncidentType | '',
@@ -47,6 +54,34 @@ export function ReportForm({ zoneToken }: Props) {
     setError(null)
     setSubmitting(true)
 
+    if (!overrideQuality) {
+      try {
+        const qcRes = await fetch('/api/incidents/ai/quality-check', {
+          method: 'POST',
+          headers: { 'Content-Type': 'application/json' },
+          body: JSON.stringify({
+            description: form.description,
+            incident_type: form.incident_type,
+          }),
+        })
+        if (qcRes.ok) {
+          const qc = await qcRes.json() as {
+            score: number
+            passes: boolean
+            feedback: string
+            suggestions: string[]
+          }
+          setQualityCheck(qc)
+          if (!qc.passes) {
+            setSubmitting(false)
+            return
+          }
+        }
+      } catch {
+        // Quality check failure is non-blocking — proceed with submission
+      }
+    }
+
     try {
       const fd = new FormData()
       if (zoneToken) fd.append('zone_token', zoneToken)
@@ -115,6 +150,31 @@ export function ReportForm({ zoneToken }: Props) {
         />
       </div>
 
+      {qualityCheck && !qualityCheck.passes && (
+        <div className="rounded-lg bg-amber-50 border border-amber-200 p-3 space-y-2">
+          <p className="text-xs font-semibold text-amber-700 uppercase tracking-wide">
+            Report quality — {qualityCheck.score}/10
+          </p>
+          <p className="text-sm text-amber-800">{qualityCheck.feedback}</p>
+          {qualityCheck.suggestions.length > 0 && (
+            <ul className="list-disc list-inside space-y-1">
+              {qualityCheck.suggestions.map((s, i) => (
+                <li key={i} className="text-xs text-amber-700">{s}</li>
+              ))}
+            </ul>
+          )}
+          <label className="flex items-center gap-2 text-xs text-amber-700 cursor-pointer mt-1">
+            <input
+              type="checkbox"
+              checked={overrideQuality}
+              onChange={e => setOverrideQuality(e.target.checked)}
+              className="rounded border-amber-300 text-amber-600"
+            />
+            Submit anyway
+          </label>
+        </div>
+      )}
+
       <div className="space-y-3">
         <label className="flex items-center gap-3 cursor-pointer">
           <input