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-chunk/tests/manifest_file_v1.rs

@@ -107,9 +107,7 @@ fn cargo_toml_single_chunk_with_toml_lang() {
         .unwrap_or_else(|e| panic!("cannot read fixture {}: {e}", fixture_path.display()));
 
     let doc = manifest_doc("toml", &text);
-    let chunks = ManifestFileV1Chunker
-        .chunk(&doc, &policy())
-        .expect("chunk");
+    let chunks = ManifestFileV1Chunker.chunk(&doc, &policy()).expect("chunk");
 
     assert_eq!(
         chunks.len(),
@@ -149,9 +147,7 @@ fn package_json_single_chunk_with_json_lang() {
         .unwrap_or_else(|e| panic!("cannot read fixture {}: {e}", fixture_path.display()));
 
     let doc = manifest_doc("json", &text);
-    let chunks = ManifestFileV1Chunker
-        .chunk(&doc, &policy())
-        .expect("chunk");
+    let chunks = ManifestFileV1Chunker.chunk(&doc, &policy()).expect("chunk");
 
     assert_eq!(
         chunks.len(),
@@ -191,9 +187,7 @@ fn pom_xml_single_chunk_with_xml_lang() {
         .unwrap_or_else(|e| panic!("cannot read fixture {}: {e}", fixture_path.display()));
 
     let doc = manifest_doc("xml", &text);
-    let chunks = ManifestFileV1Chunker
-        .chunk(&doc, &policy())
-        .expect("chunk");
+    let chunks = ManifestFileV1Chunker.chunk(&doc, &policy()).expect("chunk");
 
     assert_eq!(
         chunks.len(),
@@ -233,9 +227,7 @@ fn go_mod_single_chunk_with_go_mod_lang() {
         .unwrap_or_else(|e| panic!("cannot read fixture {}: {e}", fixture_path.display()));
 
     let doc = manifest_doc("go-mod", &text);
-    let chunks = ManifestFileV1Chunker
-        .chunk(&doc, &policy())
-        .expect("chunk");
+    let chunks = ManifestFileV1Chunker.chunk(&doc, &policy()).expect("chunk");
 
     assert_eq!(
         chunks.len(),