Public endpoint allows anyone to obtain a client certificate for
authentication. Features:
- Higher PoW difficulty than paste creation (24 vs 20 bits)
- Auto-generates CA on first registration if not present
- Returns PKCS#12 bundle with cert, key, and CA
- Configurable via FLASKPASTE_REGISTER_POW
Endpoints:
- GET /register/challenge - Get registration PoW challenge
- POST /register - Register and receive PKCS#12 bundle
- Add anti-flood, rate limiting, scheduled cleanup to feature lists
- Update version to 1.4.0, test count to 205
- Document /pastes endpoint with query parameters
- Add anti-flood fields to /challenge response
- Update CLI docs with new commands (list, search, export)
- Add decision log entries for recent features
Update README.md, api.md, and error hints to reflect:
- encryption is now default (no -e flag needed)
- use -E/--no-encrypt to disable
- file path shortcut (fpaste file.txt)
