docs: add M3 OCR implementation plan and telemetry metric

research-wiki/graph/edges.json

@@ -60,6 +60,16 @@
       "id": "design:m3-ocr",
       "label": "M3 OCR 端口族设计",
       "type": "design"
+    },
+    {
+      "id": "metric:ocr-call-success",
+      "label": "OCR 治理调用成功率与错误分类分布",
+      "type": "metric"
+    },
+    {
+      "id": "plan:m3-ocr",
+      "label": "M3 OCR 实现计划",
+      "type": "plan"
     }
   ],
   "links": [
@@ -97,6 +107,27 @@
       "relation": "implements",
       "evidence": "方案B三件套任务分解",
       "added": "2026-07-21T12:30:35.550386+00:00"
+    },
+    {
+      "source": "metric:ocr-call-success",
+      "target": "schema:llm-calls",
+      "relation": "measures",
+      "evidence": "OCR 调用复用 llm_calls 表(provider=monkey 行,tokens=0),成功率=error IS NULL 占比,错误分布按 error 前缀归类",
+      "added": "2026-07-22T02:05:15.793306+00:00"
+    },
+    {
+      "source": "schema:llm-calls",
+      "target": "design:m3-ocr",
+      "relation": "implements",
+      "evidence": "M3 设计 §7: 复用 18 字段表,无新表;messages 占位摘要,图像 bytes 不入库",
+      "added": "2026-07-22T02:05:15.836258+00:00"
+    },
+    {
+      "source": "plan:m3-ocr",
+      "target": "design:m3-ocr",
+      "relation": "implements",
+      "evidence": "T1-T10 逐任务落地设计 §3-§12",
+      "added": "2026-07-22T02:09:43.346922+00:00"
     }
   ]
 }