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/ingest_cancel.rs

@@ -107,13 +107,9 @@ fn cancel_none_is_uncancellable_default() {
     // ingest_with_config_progress (no cancel) runs to completion.
     let env = TestEnv::lexical_only();
     let (tx, rx) = mpsc::channel::<IngestEvent>();
-    let report = kebab_app::ingest_with_config_progress(
-        env.config.clone(),
-        env.scope(),
-        true,
-        Some(tx),
-    )
-    .unwrap();
+    let report =
+        kebab_app::ingest_with_config_progress(env.config.clone(), env.scope(), true, Some(tx))
+            .unwrap();
     assert_eq!(report.scanned, 3);
     assert_eq!(report.new, 3);