docs: correct the website where it had drifted from the implementation

Several statements were wrong rather than merely thin, and each would have set
the wrong expectation:

- the conversion example implied romaji replaces the input, when the result is
  appended in parentheses and both are sent
- the handshake was described as happening at startup, when it waits for the
  first player to join, so a DISCONNECTED status on an empty server read as a
  fault
- cache eviction was called oldest-first, which the unordered in-memory map
  cannot provide
- the Velocity settings table omitted crossServerDirectMessage
- ConfigManager was described as reading Bukkit's FileConfiguration, and the
  settings storage as recovering from a backup that does not exist

It also documents behaviour that had no mention anywhere: the `!` force-global
prefix, that spy sees channel messages and not only DMs, the nightly build
warnings, the overall 1000ms conversion budget that makes api.timeout above it
ineffective, and the data files the plugin writes.

Co-Authored-By: Claude <noreply@anthropic.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/website/src/docs/reference/commands.md b/website/src/docs/reference/commands.md
index a039f7a..28627bc 100644
--- a/website/src/docs/reference/commands.md
+++ b/website/src/docs/reference/commands.md
@@ -58,7 +58,8 @@ Creates a new channel. The creator becomes the owner.
 
 - **Aliases**: `new`
 - **Permission**: `lunaticchat.command.lc.channel.create`
-- `channelId`: Only alphanumeric characters, underscores, and hyphens are allowed
+- `channelId`: 3-30 characters; only alphanumeric characters, underscores, and hyphens are allowed
+- `name`: Cannot be blank
 - `isPrivate`: `true` / `false` (default: `false`)
 
 #### `/lc channel list [page]`