Reevaluate existing evidence when rules change

server/api.integration.test.ts

@@ -250,6 +250,37 @@ suite('normalized level persistence API', () => {
     ])
   })
 
+  it('evaluates existing documents when an evidence fingerprint is added later', async () => {
+    const created = await adminFetch(`${baseUrl}/api/levels`, {
+      method:'POST',headers:{'content-type':'application/json'},body:JSON.stringify({ id:'late-evidence-rule',title:'Late evidence rule' }),
+    })
+    expect(created.status).toBe(201)
+    const level = await created.json() as CaseState
+    const upload = new FormData()
+    upload.append('file',new Blob(['Archive patent 93585 names Niels Aall Baricelli and describes a Koffert-kommode.'],{ type:'text/plain' }),'patent.txt')
+    const uploaded = await (await fetch(`${baseUrl}/api/levels/${level.id}/documents`,{ method:'POST',body:upload })).json() as DocumentExhibit & {
+      analysis:{ matchedFlags:string[] }
+    }
+    expect(uploaded.analysis.matchedFlags).toEqual([])
+
+    const rule = await adminFetch(`${baseUrl}/api/levels/${level.id}/evidence-match-rules`,{
+      method:'POST',headers:{'content-type':'application/json'},body:JSON.stringify({
+        name:'Late National Library fingerprint',flagKey:'late.patent-recognized',minimumAnchorMatches:2,
+        anchors:[
+          { phrase:'Archive patent 93585 names Niels Aall Baricelli',minimumSimilarity:.7 },
+          { phrase:'describes a Koffert-kommode',minimumSimilarity:.7 },
+        ],
+      }),
+    })
+    expect(rule.status).toBe(201)
+    expect(await (await adminFetch(`${baseUrl}/api/levels/${level.id}/flags`)).json()).toEqual([
+      expect.objectContaining({ key:'late.patent-recognized',earnedAt:expect.any(String) }),
+    ])
+    const evaluation = await appPool.query<{ matched:boolean;matched_anchor_count:number }>(
+      'SELECT matched,matched_anchor_count FROM osint.evidence_match_evaluations WHERE document_exhibit_id=$1',[uploaded.id])
+    expect(evaluation.rows).toEqual([{ matched:true,matched_anchor_count:2 }])
+  })
+
   it('imports the data-defined Scene 7 template with its private recognition rules', async () => {
     const { importMysteryTemplate } = await import('../scripts/importMysteryTemplate.js')
     const manifestPath = path.resolve(path.dirname(fileURLToPath(import.meta.url)), '..', 'mysteries', 'barricelli-scene-7', 'mystery.json')