更新

server/tests/DiagnosisAiAnalysisParserTest.php

@@ -29,6 +29,23 @@ analysisParserExpect(is_string($json), 'fixture JSON encodes');
 $parsed = $parse->invoke(null, $json);
 analysisParserExpect($parsed === $validPayload, 'plain JSON parses without changing contract');
 
+foreach (['diagnosis_ad', 'diagnosis_adive'] as $alias) {
+    $misspelled = $validPayload;
+    $misspelled[$alias] = $misspelled['diagnosis_advice'];
+    unset($misspelled['diagnosis_advice']);
+    analysisParserExpect(
+        $parse->invoke(null, json_encode($misspelled, JSON_UNESCAPED_UNICODE)) === $validPayload,
+        "observed {$alias} typo maps to canonical diagnosis field"
+    );
+}
+
+$ambiguous = $validPayload;
+$ambiguous['diagnosis_ad'] = '另一段诊断';
+analysisParserExpect(
+    $parse->invoke(null, json_encode($ambiguous, JSON_UNESCAPED_UNICODE)) === null,
+    'conflicting diagnosis fields are rejected'
+);
+
 $fenced = "说明文字\n```json\n{$json}\n```\n后续文字";
 analysisParserExpect($parse->invoke(null, $fenced) === $validPayload, 'fenced JSON with surrounding text parses');