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/http/context.rs

@@ -94,8 +94,7 @@ pub struct AppContext {
     ///
     /// Wrapped in `Arc` so `AppContext` can implement `Clone`.
     /// `None` when no Matrix bot is configured.
-    pub matrix_shutdown_tx:
-        Option<Arc<tokio::sync::watch::Sender<Option<ShutdownReason>>>>,
+    pub matrix_shutdown_tx: Option<Arc<tokio::sync::watch::Sender<Option<ShutdownReason>>>>,
     /// Shared rate-limit retry timer store.
     ///
     /// Used by MCP tools (`move_story`, `stop_agent`) to cancel pending timers
@@ -168,7 +167,10 @@ mod tests {
     fn permission_decision_equality() {
         assert_eq!(PermissionDecision::Deny, PermissionDecision::Deny);
         assert_eq!(PermissionDecision::Approve, PermissionDecision::Approve);
-        assert_eq!(PermissionDecision::AlwaysAllow, PermissionDecision::AlwaysAllow);
+        assert_eq!(
+            PermissionDecision::AlwaysAllow,
+            PermissionDecision::AlwaysAllow
+        );
         assert_ne!(PermissionDecision::Deny, PermissionDecision::Approve);
         assert_ne!(PermissionDecision::Approve, PermissionDecision::AlwaysAllow);
     }