[bot] Update repository structure and Mermaid diagram

Author: github-actions[bot]

MERMAID_DIAGRAM.md

@@ -5,20 +5,20 @@ graph TD
     %% Repository Structure
     subgraph graph_git_repo
         root[graph-git-repo]
-        root --> gitignore[.gitignore]
+        root --> ignore[.gitignore]
         root --> license[LICENSE]
         root --> mermaid[MERMAID_DIAGRAM.md]
         root --> README[README.md]
-        root --> repo_structure[REPO_STRUCTURE.md]
+        root --> structure[REPO_STRUCTURE.md]
         root --> base[base.sh]
-        root --> tree_to_gpt[tree_to_gpt.py]
+        root --> script[tree_to_gpt.py]
     end
     style graph_git_repo fill:#e0f7fa,stroke:#333,stroke-width:2px;
-    style gitignore fill:#ffccbc,stroke:#333,stroke-width:1px;
-    style license fill:#ffccbc,stroke:#333,stroke-width:1px;
-    style mermaid fill:#ffccbc,stroke:#333,stroke-width:1px;
-    style README fill:#ffccbc,stroke:#333,stroke-width:1px;
-    style repo_structure fill:#ffccbc,stroke:#333,stroke-width:1px;
-    style base fill:#ffccbc,stroke:#333,stroke-width:1px;
-    style tree_to_gpt fill:#ffccbc,stroke:#333,stroke-width:1px;
+    style ignore fill:#ffe0b2,stroke:#ff6f60,stroke-width:1px;
+    style license fill:#ffe0b2,stroke:#ff6f60,stroke-width:1px;
+    style mermaid fill:#ffe0b2,stroke:#ff6f60,stroke-width:1px;
+    style README fill:#ffe0b2,stroke:#ff6f60,stroke-width:1px;
+    style structure fill:#ffe0b2,stroke:#ff6f60,stroke-width:1px;
+    style base fill:#ffe0b2,stroke:#ff6f60,stroke-width:1px;
+    style script fill:#ffe0b2,stroke:#ff6f60,stroke-width:1px;
 ```