Daniel 7f1f14537b Security: fix SQL injection, add rate limiting, markdown in TeachChat ... - teach.py, questions.py: replace f-string SQL with parameterized CAST(:vec AS vector) queries - auth.py: add reusable check_rate_limit() Redis helper - teach.py: rate limit /chat to 30 req/10min per user - tts.py: rate limit /speak to 60 req/hr per user - teach.py: stronger system prompt — no clarifying questions, use markdown, answer directly - TeachChat.jsx: render assistant messages with ReactMarkdown (already in package.json) Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>		2026-04-04 00:45:28 +02:00
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__init__.py	Initial commit: PDF Quiz Generator app	2026-03-30 20:04:53 +00:00
auth.py	Security: fix SQL injection, add rate limiting, markdown in TeachChat	2026-04-04 00:45:28 +02:00
quiz_questions.py	Junction table for shared questions; verification blocking; semantic bank search; bug fixes	2026-04-01 00:55:13 +02:00
scheduler.py	Initial commit: PDF Quiz Generator app	2026-03-30 20:04:53 +00:00