Authority axis v1: mint the executive branch + link 27,804 § → office edges

The Code empowers the executive branch, but the mirror only had legislative
Bodies — every authority reference pointed at nothing. Fixed by minting the
executive branch from the Code's OWN enumerations: 15 Cabinet departments
(5 U.S.C. § 101) + 21 Executive-Schedule Level I offices (§ 5312), 42 Body
nodes under us/executive/.

Then the axis: scripts/extract_authority.py matches named office/department
references across all 59,740 sections (guarding against Deputy/Assistant/Under
subordinates) and emits data/section_authority_edges.jsonl — 27,804 edges from
17,031 sections (28.7% of the Code) to the offices they empower. build.py
renders reciprocal 'empowered by' links on each office node; the section files
are never touched. Now: click the Attorney General, see all 2,386 sections that
vest authority in it.

Named references only in v1 (cabinet-level). Deterministic; body.schema
classification enum extended (executive-department/-agency/-office); make check
green at 105,746 records.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

data/jurisdictions/us/executive/labor/index.md

@@ -0,0 +1,49 @@
+---
+type: Body
+title: "Department of Labor"
+classification: "executive-department"
+chamber: "executive"
+code: "EXEC-LABOR"
+head: "us/executive/labor/secretary"
+sources:
+  - field: definition
+    source: "5 U.S.C. § 101 (Executive departments)"
+confidence: official
+tags: [body, executive, executive-department]
+timestamp: "2026-07-03"
+---
+
+# Department of Labor
+
+Executive department, established by 5 U.S.C. § 101. Headed by the [Secretary of Labor](/us/executive/labor/secretary.md).
+
+## Referenced by the U.S. Code
+
+306 sections of the U.S. Code reference this department. A sample:
+
+- [5 U.S.C. § 101](/legal/us/code/title-05/chapter-1/section-101.md)
+- [5 U.S.C. § 406](/legal/us/code/title-05/chapter-4/section-406.md)
+- [5 U.S.C. § 422](/legal/us/code/title-05/chapter-4/section-422.md)
+- [5 U.S.C. § 5315](/legal/us/code/title-05/chapter-53/section-5315.md)
+- [5 U.S.C. § 5316](/legal/us/code/title-05/chapter-53/section-5316.md)
+- [5 U.S.C. § 609](/legal/us/code/title-05/chapter-6/section-609.md)
+- [5 U.S.C. § 8140](/legal/us/code/title-05/chapter-81/section-8140.md)
+- [5 U.S.C. § 8145](/legal/us/code/title-05/chapter-81/section-8145.md)
+- [5 U.S.C. § 8193](/legal/us/code/title-05/chapter-81/section-8193.md)
+- [5 U.S.C. § 8337](/legal/us/code/title-05/chapter-83/section-8337.md)
+- [5 U.S.C. § 8464a](/legal/us/code/title-05/chapter-84/section-8464a.md)
+- [7 U.S.C. § 1308](/legal/us/code/title-07/chapter-35/section-1308.md)
+- [7 U.S.C. § 1508](/legal/us/code/title-07/chapter-36/section-1508.md)
+- [7 U.S.C. § 2012](/legal/us/code/title-07/chapter-51/section-2012.md)
+- [7 U.S.C. § 2014](/legal/us/code/title-07/chapter-51/section-2014.md)
+- [7 U.S.C. § 2015](/legal/us/code/title-07/chapter-51/section-2015.md)
+- [7 U.S.C. § 2036a](/legal/us/code/title-07/chapter-51/section-2036a.md)
+- [7 U.S.C. § 2204b–3](/legal/us/code/title-07/chapter-55/section-2204b-3.md)
+- [7 U.S.C. § 612c–6](/legal/us/code/title-07/chapter-26/section-612c-6.md)
+- [7 U.S.C. § 6919](/legal/us/code/title-07/chapter-98/section-6919.md)
+- [7 U.S.C. § 7501](/legal/us/code/title-07/chapter-102/section-7501.md)
+- [8 U.S.C. § 1182](/legal/us/code/title-08/chapter-12/section-1182.md)
+- [8 U.S.C. § 1184](/legal/us/code/title-08/chapter-12/section-1184.md)
+- [8 U.S.C. § 1324a](/legal/us/code/title-08/chapter-12/section-1324a.md)
+- [8 U.S.C. § 1365b](/legal/us/code/title-08/chapter-12/section-1365b.md)
+- …and 281 more (full set in data/section_authority_edges.jsonl)