Token display/rotation, deploy log truncation

- add-self: prints token for client config setup
- add-user: prints token file location reminder
- GET /user/token: returns authenticated user's current token
- POST /user/rotate-token: rotates token, updates DB, returns new token
- Web UI: /token and /rotate-token chat commands
- deploy.sh: truncate logs on deploy

Per-endpoint max_tokens, DB-backed web sessions

Add SIGHUP config reload + 'ragger reload' CLI command

- config.py: reload_config() re-reads INI, updates hot-reloadable values in-place.
  Restart-required keys (host, port, db_path, tls, embedding) logged but not applied.
- server.py: SIGHUP handler calls reload_config(), re-initializes inference client
  if any inference settings changed.
- cli.py: 'ragger reload' finds running daemon via PID file, sends SIGHUP.
  Added to help text and verb list.

remove-user: always keep user data, remove --keep-data flag

v0.9.1: TLS support, warmup, web_root config, health check hint

- TLS via [tls] cert/key INI options (ssl.SSLContext)
- Embedding cache warmup on server start
- web_root resolution: INI override → /var/ragger/www → bundled web/
- Health check curl command in startup banner
- Model auto-load for local inference engines

v0.9.0: Interactive installer and user management

Version 0.8.3 - OpenClaw plugin improvements

- OpenClaw plugin auto-install via install.sh
- MCP transport recommended for single-user setups
- Removed wrapper script references from docs
- Print daemon restart commands (no auto-execute)
- Bootstrap/bootout instead of deprecated load/unload

v0.8.2: POST /chat endpoint with SSE streaming, chat session management

v0.8.1d: Default source metadata on /store

v0.8.1: unified install, rebuild-embeddings improvements, comprehensi…

…ve testing