huskies: merge 1205 bug compact STILL swallowed after 1192 — interception is placed AFTER the registry dispatch, not before

server/src/chat/commands/mod.rs

@@ -425,15 +425,14 @@ fn handle_reset_fallback(_ctx: &CommandContext) -> Option<String> {
     None
 }
 
-/// Fallback handler for the `compact` command.
-///
-/// This IS called on every `compact` dispatch — `try_handle_command` always
-/// invokes the matched handler, so this runs before the async `compact`
-/// check each transport performs afterward (`on_room_message` for Matrix; an
-/// inline check in `handle_incoming_message` for Discord/Slack/WhatsApp). It
-/// deliberately always returns `None` so that check gets a chance to run the
-/// real handler instead of the LLM. The entry exists in the registry so
-/// `help` lists it.
+/// Fallback handler for the `compact` command when it is not intercepted by
+/// the async handler beforehand. For Matrix, `on_room_message` detects and
+/// handles `compact` before `try_handle_command` is invoked, so this is
+/// never called. Discord/Slack/WhatsApp check for `compact` only after their
+/// own `try_handle_command` dispatch, so this handler does run there — it
+/// deliberately always returns `None` so their subsequent async check gets a
+/// chance to run the real handler instead of the LLM. The entry exists in
+/// the registry so `help` lists it.
 ///
 /// Returns `None` to prevent the LLM from receiving "compact" as a prompt.
 fn handle_compact_fallback(_ctx: &CommandContext) -> Option<String> {