Kalibrierte Scan-Confidence + Cross-Model-Bonus

__tests__/server/scanReview.test.js

@@ -82,6 +82,35 @@ describe('decideReviewOutcome', () => {
     expect(decision.reason).toBe('review-confirmed-primary');
   });
 
+  it('boosts confidence when two different models agree on the species', () => {
+    // The 55%-forever bug: primary 0.55 + agreeing review 0.54 must NOT stay
+    // at 0.55 — independent cross-model agreement is real evidence.
+    const decision = decideReviewOutcome({
+      primaryResult: ai('Sacred lotus', 'Nelumbo nucifera', 0.55),
+      reviewResult: ai('Sacred lotus', 'Nelumbo nucifera', 0.54),
+      agrees: true,
+    });
+    expect(decision.confidence).toBeCloseTo(0.75, 5);
+  });
+
+  it('caps the agreement-boosted confidence at 0.97', () => {
+    const decision = decideReviewOutcome({
+      primaryResult: ai('Sacred lotus', 'Nelumbo nucifera', 0.95),
+      reviewResult: ai('Sacred lotus', 'Nelumbo nucifera', 0.9),
+      agrees: true,
+    });
+    expect(decision.confidence).toBe(0.97);
+  });
+
+  it('gives no confidence bonus on disagreement', () => {
+    const decision = decideReviewOutcome({
+      primaryResult: ai('Rose', 'Rosa chinensis', 0.5),
+      reviewResult: ai('Sacred lotus', 'Nelumbo nucifera', 0.6),
+      agrees: false,
+    });
+    expect(decision.confidence).toBeUndefined();
+  });
+
   it('replaces with the agreeing review on a confidence tie (stronger model wins ties)', () => {
     const decision = decideReviewOutcome({
       primaryResult: ai('Swiss Cheese Plant', 'Monstera deliciosa', 0.7),