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/wizard.rs

@@ -380,10 +380,7 @@ mod tests {
             Some("generated content".to_string()),
         );
         assert_eq!(state.steps[1].status, StepStatus::AwaitingConfirmation);
-        assert_eq!(
-            state.steps[1].content.as_deref(),
-            Some("generated content")
-        );
+        assert_eq!(state.steps[1].content.as_deref(), Some("generated content"));
     }
 
     #[test]