# Build
/target
**/*.rs.bk
*.pdb

# Environment & secrets
.env
.env.*
!.env.example

# Database
*.db
*.db-shm
*.db-wal
*.sqlite
*.sqlite3

# User config (may contain API keys)
config.toml

# Certificates & keys
*.pem
*.key
*.cert
*.p12
*.pfx

# Runtime artifacts
collector_hand_state.json
collector_knowledge_base.json
predictions_database.json
prediction_report_*.md
BUILD_LOG.md

# OS
.DS_Store
Thumbs.db

# IDE & tools
.idea/
.vscode/
.claude/
*.swp
*.swo
*~