Parkour updates

Chat

• Cut per-recipient chat work and gate the packet listener
• 🐛 Fix Fix player-data persistence, database lifecycle and leaks
• 🐛 Fix Fix moderation, party and command-blocking commands
• 🐛 Fix Fix command registration, label conflicts and /chatreload
• 🐛 Fix Fix the /config editor writing stale and unreadable values
• ✨ New Declare permissions, prune the build and config, add tests
• 🐛 Fix Fix Format hot-path regexes and colour handling
• Stub ChatChannel's captured plugin logger in VentureCommandExecutorTest
• Close the word-filter and /broadcast authorization holes
• Route every conversation-exit spy notice through the override-aware path
• Bound the /msg and /reply flood route, and unblock the netty threads
• Make channel-alias registration and dispatch agree, and retry freed labels