style: cargo fmt --all (round 4 ingest log feature follow-up)

Phase C4 executor 의 마지막 `fix(test): clippy + fmt fixes` commit 이
test file 부분만 fmt 적용. workspace 전체 fmt 누락 발견 → cargo fmt --all
적용. 모든 import alphabetical reorder + line wrapping 정합.

추가 untracked artifact 동시 commit:
- docs/superpowers/specs/2026-05-28-v0.20-ingest-log-spec.md (491 line, ACCEPT)
- docs/superpowers/plans/2026-05-28-v0.20-ingest-log-plan.md (616 line, ACCEPT)

workspace test: 1370 passed / 0 failed / 50 ignored, ingest_log_smoke green.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

crates/kebab-app/tests/twin_files_fetch_span.rs

@@ -44,8 +44,8 @@ fn twin_files_fetch_span_uses_correct_asset() {
     std::fs::write(dir_b.join("note.md"), content).unwrap();
 
     // Ingest all files (fixture workspace + our two new twins).
-    let report = ingest_with_config(env.config.clone(), env.scope(), false)
-        .expect("ingest must succeed");
+    let report =
+        ingest_with_config(env.config.clone(), env.scope(), false).expect("ingest must succeed");
     assert_eq!(report.errors, 0, "no ingest errors; report={report:?}");
 
     // Both twin paths must appear as New in the report.
@@ -53,8 +53,7 @@ fn twin_files_fetch_span_uses_correct_asset() {
     let twin_items: Vec<_> = items
         .iter()
         .filter(|i| {
-            i.doc_path.0.ends_with("src_a/note.md")
-                || i.doc_path.0.ends_with("src_b/note.md")
+            i.doc_path.0.ends_with("src_a/note.md") || i.doc_path.0.ends_with("src_b/note.md")
         })
         .collect();
     assert_eq!(
@@ -149,7 +148,10 @@ fn twin_files_fetch_span_uses_correct_asset() {
     // at either twin, making one twin's span fetch behave incorrectly.
     let report2 = ingest_with_config(env.config.clone(), env.scope(), false)
         .expect("second ingest must succeed");
-    assert_eq!(report2.errors, 0, "no ingest errors on second run; report={report2:?}");
+    assert_eq!(
+        report2.errors, 0,
+        "no ingest errors on second run; report={report2:?}"
+    );
 
     // Re-open app after second ingest and verify span still works on both.
     let app2 = env.app();