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/common/mod.rs

@@ -93,8 +93,7 @@ impl TestEnv {
     /// directly. Caller can invoke this multiple times to simulate
     /// re-opening the binary after a corpus revision bump.
     pub fn app(&self) -> kebab_app::App {
-        kebab_app::App::open_with_config(self.config.clone())
-            .expect("App::open_with_config")
+        kebab_app::App::open_with_config(self.config.clone()).expect("App::open_with_config")
     }
 }