diff --git a/dingtalk-bot/data/loop-history.json b/dingtalk-bot/data/loop-history.json
new file mode 100644
index 00000000..9e6d0a81
--- /dev/null
+++ b/dingtalk-bot/data/loop-history.json
@@ -0,0 +1,34 @@
+[
+  {
+    "timestamp": "2026-03-11T05:59:44.031Z",
+    "dev_id": "DEV-004",
+    "steps": {
+      "portrait": "✅",
+      "pca": "✅",
+      "sync": "✅"
+    },
+    "duration_ms": 1,
+    "pca": {
+      "score": 73,
+      "grade": "A"
+    },
+    "suggestion": "🎯 可进更高难度：EL-9 挑战",
+    "status": "completed"
+  },
+  {
+    "timestamp": "2026-03-11T05:53:04.004Z",
+    "dev_id": "DEV-004",
+    "steps": {
+      "portrait": "✅",
+      "pca": "✅",
+      "sync": "✅"
+    },
+    "duration_ms": 7,
+    "pca": {
+      "score": 66,
+      "grade": "B"
+    },
+    "suggestion": "📚 继续当前模块：巩固 Phase4 基础",
+    "status": "completed"
+  }
+]
\ No newline at end of file
diff --git a/dingtalk-bot/data/portrait-db.json b/dingtalk-bot/data/portrait-db.json
new file mode 100644
index 00000000..54ba3bb9
--- /dev/null
+++ b/dingtalk-bot/data/portrait-db.json
@@ -0,0 +1,104 @@
+{
+  "DEV-004": {
+    "dev_id": "DEV-004",
+    "dev_name": "之之",
+    "first_seen": "2026-03-11T05:40:58.007Z",
+    "total_sessions": 4,
+    "total_code_lines": 8400,
+    "max_streak": 4,
+    "current_streak": 4,
+    "recent_snapshots": [
+      {
+        "timestamp": "2026-03-11T05:59:44.030Z",
+        "dev_id": "DEV-004",
+        "session_id": "BC-M-DINGTALK-004-ZZ",
+        "dev_name": "之之",
+        "rhythm": "快",
+        "friction": "低",
+        "mood": "正向",
+        "growth": {
+          "count": 1,
+          "signals": [
+            "代码量增长"
+          ]
+        },
+        "will": "强烈",
+        "raw_stats": {
+          "completed_items": 34,
+          "total_items": 34,
+          "code_lines": 2400,
+          "streak": 0
+        }
+      },
+      {
+        "timestamp": "2026-03-11T05:53:03.996Z",
+        "dev_id": "DEV-004",
+        "session_id": "LOOP-TEST-001",
+        "dev_name": "之之",
+        "rhythm": "快",
+        "friction": "无",
+        "mood": "正向",
+        "growth": {
+          "count": 2,
+          "signals": [
+            "代码量增长",
+            "连胜11次"
+          ]
+        },
+        "will": "正常",
+        "raw_stats": {
+          "completed_items": 5,
+          "total_items": 5,
+          "code_lines": 2000,
+          "streak": 11
+        }
+      },
+      {
+        "timestamp": "2026-03-11T05:47:07.338Z",
+        "dev_id": "DEV-004",
+        "session_id": "TEST-002",
+        "dev_name": "之之",
+        "rhythm": "快",
+        "friction": "低",
+        "mood": "正向",
+        "growth": {
+          "count": 2,
+          "signals": [
+            "代码量增长",
+            "连胜11次"
+          ]
+        },
+        "will": "强烈",
+        "raw_stats": {
+          "completed_items": 5,
+          "total_items": 5,
+          "code_lines": 2000,
+          "streak": 11
+        }
+      },
+      {
+        "timestamp": "2026-03-11T05:40:58.007Z",
+        "dev_id": "DEV-004",
+        "session_id": "TEST-001",
+        "dev_name": "之之",
+        "rhythm": "快",
+        "friction": "低",
+        "mood": "正向",
+        "growth": {
+          "count": 2,
+          "signals": [
+            "代码量增长",
+            "连胜11次"
+          ]
+        },
+        "will": "强烈",
+        "raw_stats": {
+          "completed_items": 5,
+          "total_items": 5,
+          "code_lines": 2000,
+          "streak": 11
+        }
+      }
+    ]
+  }
+}
\ No newline at end of file
diff --git a/dingtalk-bot/data/portrait-history.json b/dingtalk-bot/data/portrait-history.json
new file mode 100644
index 00000000..cba06bda
--- /dev/null
+++ b/dingtalk-bot/data/portrait-history.json
@@ -0,0 +1,113 @@
+[
+  {
+    "timestamp": "2026-03-11T05:59:44.030Z",
+    "dev_id": "DEV-004",
+    "session_id": "BC-M-DINGTALK-004-ZZ",
+    "snapshot": {
+      "timestamp": "2026-03-11T05:59:44.030Z",
+      "dev_id": "DEV-004",
+      "session_id": "BC-M-DINGTALK-004-ZZ",
+      "dev_name": "之之",
+      "rhythm": "快",
+      "friction": "低",
+      "mood": "正向",
+      "growth": {
+        "count": 1,
+        "signals": [
+          "代码量增长"
+        ]
+      },
+      "will": "强烈",
+      "raw_stats": {
+        "completed_items": 34,
+        "total_items": 34,
+        "code_lines": 2400,
+        "streak": 0
+      }
+    }
+  },
+  {
+    "timestamp": "2026-03-11T05:53:03.996Z",
+    "dev_id": "DEV-004",
+    "session_id": "LOOP-TEST-001",
+    "snapshot": {
+      "timestamp": "2026-03-11T05:53:03.996Z",
+      "dev_id": "DEV-004",
+      "session_id": "LOOP-TEST-001",
+      "dev_name": "之之",
+      "rhythm": "快",
+      "friction": "无",
+      "mood": "正向",
+      "growth": {
+        "count": 2,
+        "signals": [
+          "代码量增长",
+          "连胜11次"
+        ]
+      },
+      "will": "正常",
+      "raw_stats": {
+        "completed_items": 5,
+        "total_items": 5,
+        "code_lines": 2000,
+        "streak": 11
+      }
+    }
+  },
+  {
+    "timestamp": "2026-03-11T05:47:07.338Z",
+    "dev_id": "DEV-004",
+    "session_id": "TEST-002",
+    "snapshot": {
+      "timestamp": "2026-03-11T05:47:07.338Z",
+      "dev_id": "DEV-004",
+      "session_id": "TEST-002",
+      "dev_name": "之之",
+      "rhythm": "快",
+      "friction": "低",
+      "mood": "正向",
+      "growth": {
+        "count": 2,
+        "signals": [
+          "代码量增长",
+          "连胜11次"
+        ]
+      },
+      "will": "强烈",
+      "raw_stats": {
+        "completed_items": 5,
+        "total_items": 5,
+        "code_lines": 2000,
+        "streak": 11
+      }
+    }
+  },
+  {
+    "timestamp": "2026-03-11T05:40:58.007Z",
+    "dev_id": "DEV-004",
+    "session_id": "TEST-001",
+    "snapshot": {
+      "timestamp": "2026-03-11T05:40:58.007Z",
+      "dev_id": "DEV-004",
+      "session_id": "TEST-001",
+      "dev_name": "之之",
+      "rhythm": "快",
+      "friction": "低",
+      "mood": "正向",
+      "growth": {
+        "count": 2,
+        "signals": [
+          "代码量增长",
+          "连胜11次"
+        ]
+      },
+      "will": "强烈",
+      "raw_stats": {
+        "completed_items": 5,
+        "total_items": 5,
+        "code_lines": 2000,
+        "streak": 11
+      }
+    }
+  }
+]
\ No newline at end of file