fix: 贡献统计和共享状态基于真实数据

- 后端返回 adopted_names 和 pending_names 列表
- 共享状态根据实际被采纳/待审核的配方名匹配
- 不再按公共库同名配方误判为已共享
- 共享后实时刷新统计

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

backend/main.py

@@ -1497,19 +1497,27 @@ def list_recipe_reviews(user=Depends(require_role("admin"))):
 @app.get("/api/me/contribution")
 def my_contribution(user=Depends(get_current_user)):
     if not user.get("id"):
-        return {"adopted_count": 0, "shared_count": 0}
+        return {"adopted_count": 0, "shared_count": 0, "adopted_names": [], "pending_names": []}
     conn = get_db()
-    # adopted_count: recipes adopted from this user (owner changed to admin)
-    adopted = conn.execute(
-        "SELECT COUNT(*) FROM audit_log WHERE action = 'adopt_recipe' AND detail LIKE ?",
-        (f'%"from_user": "{user.get("display_name") or user.get("username")}"%',)
-    ).fetchone()[0]
-    # pending: recipes still owned by user in public library (not yet adopted)
-    pending = conn.execute(
-        "SELECT COUNT(*) FROM recipes WHERE owner_id = ?", (user["id"],)
-    ).fetchone()[0]
+    display = user.get("display_name") or user.get("username")
+    # adopted: recipes adopted from this user
+    adopted_rows = conn.execute(
+        "SELECT target_name FROM audit_log WHERE action = 'adopt_recipe' AND detail LIKE ?",
+        (f'%"from_user": "{display}"%',)
+    ).fetchall()
+    adopted_names = [r["target_name"] for r in adopted_rows if r["target_name"]]
+    # pending: recipes still owned by user in public library
+    pending_rows = conn.execute(
+        "SELECT name FROM recipes WHERE owner_id = ?", (user["id"],)
+    ).fetchall()
+    pending_names = [r["name"] for r in pending_rows]
     conn.close()
-    return {"adopted_count": adopted, "shared_count": adopted + pending}
+    return {
+        "adopted_count": len(adopted_names),
+        "shared_count": len(adopted_names) + len(pending_names),
+        "adopted_names": adopted_names,
+        "pending_names": pending_names,
+    }
 
 
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