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/skip_reason.rs

@@ -13,11 +13,7 @@ fn unsupported_extension_skip_carries_warning_and_is_aggregated() {
     std::fs::write(workspace_root.join("legacy.docx"), b"unsupported").unwrap();
     std::fs::write(workspace_root.join("Makefile"), b"unsupported").unwrap();
 
-    let report = kebab_app::ingest_with_config(
-        env.config.clone(),
-        env.scope(),
-        false,
-    ).unwrap();
+    let report = kebab_app::ingest_with_config(env.config.clone(), env.scope(), false).unwrap();
 
     let items = report.items.as_ref().expect("items array populated");
     let docx_item = items
@@ -39,5 +35,8 @@ fn unsupported_extension_skip_carries_warning_and_is_aggregated() {
         vec!["unsupported media type: <no-ext>".to_string()],
     );
     assert_eq!(report.skipped_by_extension.get("docx").copied(), Some(1));
-    assert_eq!(report.skipped_by_extension.get("<no-ext>").copied(), Some(1));
+    assert_eq!(
+        report.skipped_by_extension.get("<no-ext>").copied(),
+        Some(1)
+    );
 }