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/wizard.rs

@@ -259,10 +259,7 @@ mod tests {
         let (dir, client) = setup();
         WizardState::init_if_missing(dir.path());
 
-        let resp = client
-            .post("/wizard/step/context/generating")
-            .send()
-            .await;
+        let resp = client.post("/wizard/step/context/generating").send().await;
         resp.assert_status_is_ok();
         let body: serde_json::Value = resp.0.into_body().into_json().await.unwrap();
         assert_eq!(body["steps"][1]["status"], "generating");
@@ -273,10 +270,7 @@ mod tests {
         let (dir, client) = setup();
         WizardState::init_if_missing(dir.path());
 
-        let resp = client
-            .post("/wizard/step/nonexistent/confirm")
-            .send()
-            .await;
+        let resp = client.post("/wizard/step/nonexistent/confirm").send().await;
         resp.assert_status(StatusCode::NOT_FOUND);
     }
 
@@ -286,7 +280,13 @@ mod tests {
         WizardState::init_if_missing(dir.path());
 
         // Steps 2-6 (scaffold is already confirmed)
-        let steps = ["context", "stack", "test_script", "release_script", "test_coverage"];
+        let steps = [
+            "context",
+            "stack",
+            "test_script",
+            "release_script",
+            "test_coverage",
+        ];
         for step in steps {
             let resp = client
                 .post(format!("/wizard/step/{step}/confirm"))