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/io/mod.rs

@@ -4,7 +4,7 @@ pub mod onboarding;
 pub mod search;
 pub mod shell;
 pub mod story_metadata;
-pub mod watcher;
-pub mod wizard;
 #[cfg(test)]
 pub(crate) mod test_helpers;
+pub mod watcher;
+pub mod wizard;