refactor: 用 graph 替代 tree 构建脚本

- build_persona_tree.py → build_persona_graph.py
- build_post_tree.py → build_post_graph.py

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

script/data_processing/run_graph_pipeline.sh

@@ -10,9 +10,9 @@
 # 本脚本执行：
 #   5. filter_how_results.py      - 过滤how解构结果
 #   6. extract_nodes_and_edges.py - 提取节点和边
-#   7. build_persona_tree.py      - 构建人设树
+#   7. build_persona_graph.py     - 构建人设图谱
 #   8. build_match_graph.py       - 构建匹配图谱
-#   9. build_post_tree.py         - 构建帖子树
+#   9. build_post_graph.py        - 构建帖子图谱
 #  10. visualize_match_graph.py   - 生成可视化HTML
 #
 # 使用方式：
@@ -79,14 +79,14 @@ process_account() {
     # 步骤6: 提取节点和边
     run_step 2 "提取节点和边" "extract_nodes_and_edges.py" || return 1
 
-    # 步骤7: 构建人设树
-    run_step 3 "构建人设树" "build_persona_tree.py" || return 1
+    # 步骤7: 构建人设图谱
+    run_step 3 "构建人设图谱" "build_persona_graph.py" || return 1
 
     # 步骤8: 构建匹配图谱
     run_step 4 "构建匹配图谱" "build_match_graph.py" || return 1
 
-    # 步骤9: 构建帖子树
-    run_step 5 "构建帖子树" "build_post_tree.py" || return 1
+    # 步骤9: 构建帖子图谱
+    run_step 5 "构建帖子图谱" "build_post_graph.py" || return 1
 
     # 步骤10: 生成可视化HTML
     run_step 6 "生成可视化HTML" "visualize_match_graph.py" || return 1