commit 77779bd3a9313998cb960d8fdea25dde93e095fb
Author: Codex <codex@local>
Date:   Sat Aug 1 20:41:27 2026 +0800

    chore: initialize repository

diff --git a/.gitignore b/.gitignore
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--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,33 @@
+# Secrets and local configuration
+.env
+.env.*
+!.env.example
+
+# Temporary and generated files
+tmp/
+temp/
+*.tmp
+*.log
+
+# Python
+__pycache__/
+*.py[cod]
+.venv/
+venv/
+.pytest_cache/
+.mypy_cache/
+.ruff_cache/
+
+# Node.js
+node_modules/
+.next/
+dist/
+build/
+coverage/
+
+# IDE and OS metadata
+.idea/
+.vscode/
+.DS_Store
+Thumbs.db
+
diff --git a/11-2-104-模型.pdf b/11-2-104-模型.pdf
new file mode 100644
index 0000000..a99cafd
Binary files /dev/null and b/11-2-104-模型.pdf differ