fix: add --all to cargo fmt in script/test and autoformat codebase

cargo fmt without --all fails with "Failed to find targets" in
workspace repos. This was blocking every story's gates. Also ran
cargo fmt --all to fix all existing formatting issues.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

server/src/chat/transport/matrix/bot/context.rs

@@ -1,7 +1,7 @@
 //! Matrix bot context — shared state for the Matrix bot (rooms, history, permissions).
 use crate::agents::AgentPool;
-use crate::chat::timer::TimerStore;
 use crate::chat::ChatTransport;
+use crate::chat::timer::TimerStore;
 use crate::http::context::{PermissionDecision, PermissionForward};
 use matrix_sdk::ruma::{OwnedEventId, OwnedRoomId, OwnedUserId};
 use std::collections::{HashMap, HashSet};