Phase 0-2: Schema cleanup, typed relations, event-driven automation

- Phase 0: AGENTS.md cleanup (dedup quotes, renumber sections, merge qmd)
- Phase 1: typed relations (manage-relations.py, graph-search.py, check-staleness.py, detect-conflicts.py)
- Phase 2: frontmatter validator, weekly lint, knowledge promotion, git hooks
- Fix .gitignore to track tools/ and .githooks/
- Fix git remote URL (remove plaintext token)
- New wiki pages: 504 pages, 34 raw sources

raw/教育AI研究/高等教育AI专题/文献库/download_papers.py

@@ -0,0 +1,28 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+import urllib.request
+import os
+
+# Define paths
+base_dir = r"D:\TC_UP\2023card\projects\openclaw\教育AI研究\高等教育AI专题\文献库"
+os.makedirs(base_dir, exist_ok=True)
+
+# Download first paper
+url1 = "https://cs.harvard.edu/malan/publications/V1fp0567-liu.pdf"
+file1 = os.path.join(base_dir, "Teaching_CS50_with_AI_SIGCSE2024.pdf")
+
+try:
+    urllib.request.urlretrieve(url1, file1)
+    print(f"Successfully downloaded: Teaching_CS50_with_AI_SIGCSE2024.pdf")
+except Exception as e:
+    print(f"Error downloading first paper: {e}")
+
+# Download second paper
+url2 = "https://cs.harvard.edu/malan/publications/fp0627-liu.pdf"
+file2 = os.path.join(base_dir, "Improving_AI_in_CS50_SIGCSE2025.pdf")
+
+try:
+    urllib.request.urlretrieve(url2, file2)
+    print(f"Successfully downloaded: Improving_AI_in_CS50_SIGCSE2025.pdf")
+except Exception as e:
+    print(f"Error downloading second paper: {e}")