feat: 诊断（任务书 18 第一块）：诊断数学、四种提交、一次运行跑多个实验、账本与材料、flow 诊断各步

消融默认关，关掉时解释阶段一并跳过；选诊断实验用信息价值减成本。
eval/diagnosis/research.json 为第三块配置。vocab 字段说明的出口文字随提示词一起改，见下一次提交的 prompts/ 与同文件改动（本次含在内）。

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

eval/diagnosis/research.json

@@ -0,0 +1,34 @@
+{
+  "studyId": "diag-eval",
+  "task": "/home/iomgaa/Projects/InfoRSI/tasks/circle_packing",
+  "models": {
+    "researchers": [
+      { "provider": "iomgaa", "model": "glm-5.3", "thinking": "medium" },
+      { "provider": "iomgaa", "model": "glm-5.3", "thinking": "medium" },
+      { "provider": "iomgaa", "model": "glm-5.3", "thinking": "medium" }
+    ],
+    "experimenter": { "provider": "iomgaa", "model": "glm-5.3", "thinking": "medium" },
+    "verifier": { "provider": "iomgaa", "model": "glm-5.3", "thinking": "medium" },
+    "jev": "jev-latest"
+  },
+  "proposalLimit": 1,
+  "batchLimit": 2,
+  "runs": 13,
+  "factorLimit": 3,
+  "maxRepairs": 1,
+  "lightChecks": { "maxCount": 2, "seconds": 5 },
+  "promptDir": "/home/iomgaa/Projects/InfoRSI/prompts",
+  "devEntry": false,
+  "flow": {
+    "preset": "full",
+    "roundZero": { "enabled": true, "discussions": 2 },
+    "firstPrediction": true,
+    "critique": true,
+    "diagnosis": { "enabled": true, "perResearcher": 2, "maxExperiments": 4 },
+    "ablation": { "enabled": false },
+    "batchRule": "bestExpected",
+    "openReserve": 0.1,
+    "knowledgeUse": 0.5,
+    "decay": 0.5
+  }
+}