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-mcp/tests/tools_call_ingest_file.rs

@@ -112,6 +112,14 @@ async fn ingest_file_tool_idempotent_on_second_call() {
         other => panic!("expected text, got {other:?}"),
     };
     let v2: serde_json::Value = serde_json::from_str(text2).unwrap();
-    assert_eq!(v2.get("new").and_then(serde_json::Value::as_u64), Some(0), "{v2:?}");
-    assert_eq!(v2.get("unchanged").and_then(serde_json::Value::as_u64), Some(1), "{v2:?}");
+    assert_eq!(
+        v2.get("new").and_then(serde_json::Value::as_u64),
+        Some(0),
+        "{v2:?}"
+    );
+    assert_eq!(
+        v2.get("unchanged").and_then(serde_json::Value::as_u64),
+        Some(1),
+        "{v2:?}"
+    );
 }