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/file_deletion_auto_purge.rs

@@ -16,8 +16,8 @@
 mod common;
 
 use common::TestEnv;
-use kebab_app::ingest_with_config_opts;
 use kebab_app::IngestOpts;
+use kebab_app::ingest_with_config_opts;
 use kebab_core::{DocFilter, DocumentStore, SearchMode, SearchQuery, SourceScope};
 
 /// Helper: open the store via `TestEnv` and run `list_documents`.
@@ -125,17 +125,10 @@ fn include_scope_narrowing_does_not_purge() {
         include: vec!["**/*.rs".to_string()],
         exclude: env.config.workspace.exclude.clone(),
     };
-    let first = ingest_with_config_opts(
-        env.config.clone(),
-        wide_scope,
-        false,
-        IngestOpts::default(),
-    )
-    .expect("first ingest (wide) must succeed");
-    assert!(
-        first.new >= 2,
-        "expected at least 2 new docs: {first:?}"
-    );
+    let first =
+        ingest_with_config_opts(env.config.clone(), wide_scope, false, IngestOpts::default())
+            .expect("first ingest (wide) must succeed");
+    assert!(first.new >= 2, "expected at least 2 new docs: {first:?}");
     assert_eq!(
         first.purged_deleted_files, 0,
         "no purges on first ingest: {first:?}"