Add elections + demographics layer: candidates and jurisdictions

Two new entity types, built deterministically from the raw exports:

  Candidate (2,494)     — 2026 federal candidates as files under
                          us/states/<st>/candidates/, with office,
                          district, party, incumbent/challenger stance,
                          campaign committee, FEC id.

  Jurisdiction (3,494)  — demographic nodes carrying ACS 2023 data:
                          3,131 counties (deduped from 3,231 mixed-format
                          fips keys) + 363 congressional districts.

This completes the county skeleton nationwide: every US county is now a
browsable node with population, income, poverty, race, education and
housing — even where no officeholders are mapped yet. In Florida the
county index.md merges into the existing dir and reports its officeholder
count alongside demographics (St. Lucie: 33 officeholders + ACS profile).

build.py now reads seven raw inputs in one deterministic pass
(byte-identical on rerun). The mirror now answers: who holds power, who
runs this institution, who is running, and what each place is made of.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

data/jurisdictions/us/states/hi/candidates/brenton-awa.md

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+---
+type: Candidate
+title: "Brenton Awa"
+description: "U.S. House candidate, HI-02 (2026)"
+office: "U.S. House"
+state: "HI"
+district: "HI-02"
+party: "REP"
+stance: "challenger"
+election_year: 2026
+status: "statutory candidate"
+committee:
+  name: "SENATOR AWA FOR CONGRESS"
+  id: "C00923854"
+ids:
+  fec: "H6HI02426"
+sources:
+  - field: filing
+    source: FEC (Federal Election Commission)
+confidence: official
+tags: [candidate, federal, house, hi]
+timestamp: "2026-07-03"
+---
+
+# Brenton Awa
+
+Republican challenger for U.S. House (HI-02), 2026.
+
+## Campaign Committee
+
+- SENATOR AWA FOR CONGRESS (C00923854)
+
+## Source
+
+- filing: FEC (Federal Election Commission)
+
+Federal candidate filing; not yet linked to an officeholder record.

data/jurisdictions/us/states/hi/candidates/della-au-belatti.md

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+---
+type: Candidate
+title: "Della Au Belatti"
+description: "U.S. House candidate, HI-01 (2026)"
+office: "U.S. House"
+state: "HI"
+district: "HI-01"
+party: "DEM"
+stance: "challenger"
+election_year: 2026
+status: "statutory candidate"
+committee:
+  name: "BELATTI FOR CONGRESS"
+  id: "C00920884"
+ids:
+  fec: "H6HI01345"
+sources:
+  - field: filing
+    source: FEC (Federal Election Commission)
+confidence: official
+tags: [candidate, federal, house, hi]
+timestamp: "2026-07-03"
+---
+
+# Della Au Belatti
+
+Democratic challenger for U.S. House (HI-01), 2026.
+
+## Campaign Committee
+
+- BELATTI FOR CONGRESS (C00920884)
+
+## Source
+
+- filing: FEC (Federal Election Commission)
+
+Federal candidate filing; not yet linked to an officeholder record.

data/jurisdictions/us/states/hi/candidates/edward-case.md

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+---
+type: Candidate
+title: "Edward Case"
+description: "U.S. House candidate, HI-01 (2026)"
+office: "U.S. House"
+state: "HI"
+district: "HI-01"
+party: "DEM"
+stance: "incumbent"
+election_year: 2026
+status: "statutory candidate"
+committee:
+  name: "CASE FOR CONGRESS"
+  id: "C00680918"
+ids:
+  fec: "H2HI02128"
+sources:
+  - field: filing
+    source: FEC (Federal Election Commission)
+confidence: official
+tags: [candidate, federal, house, hi]
+timestamp: "2026-07-03"
+---
+
+# Edward Case
+
+Democratic incumbent for U.S. House (HI-01), 2026.
+
+## Campaign Committee
+
+- CASE FOR CONGRESS (C00680918)
+
+## Source
+
+- filing: FEC (Federal Election Commission)
+
+Federal candidate filing; not yet linked to an officeholder record.

data/jurisdictions/us/states/hi/candidates/jarrett-keohokalole.md

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+---
+type: Candidate
+title: "Jarrett Keohokalole"
+description: "U.S. House candidate, HI-01 (2026)"
+office: "U.S. House"
+state: "HI"
+district: "HI-01"
+party: "DEM"
+stance: "challenger"
+election_year: 2026
+status: "statutory candidate"
+committee:
+  name: "KEOHOKALOLE FOR HAWAII"
+  id: "C00913848"
+ids:
+  fec: "H6HI01311"
+sources:
+  - field: filing
+    source: FEC (Federal Election Commission)
+confidence: official
+tags: [candidate, federal, house, hi]
+timestamp: "2026-07-03"
+---
+
+# Jarrett Keohokalole
+
+Democratic challenger for U.S. House (HI-01), 2026.
+
+## Campaign Committee
+
+- KEOHOKALOLE FOR HAWAII (C00913848)
+
+## Source
+
+- filing: FEC (Federal Election Commission)
+
+Federal candidate filing; not yet linked to an officeholder record.

data/jurisdictions/us/states/hi/candidates/jill-naomi-tokuda.md

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+---
+type: Candidate
+title: "Jill Naomi Tokuda"
+description: "U.S. House candidate, HI-02 (2026)"
+office: "U.S. House"
+state: "HI"
+district: "HI-02"
+party: "DEM"
+stance: "incumbent"
+election_year: 2026
+status: "statutory candidate"
+committee:
+  name: "TOKUDA FOR HAWAII"
+  id: "C00813758"
+ids:
+  fec: "H2HI02581"
+sources:
+  - field: filing
+    source: FEC (Federal Election Commission)
+confidence: official
+tags: [candidate, federal, house, hi]
+timestamp: "2026-07-03"
+---
+
+# Jill Naomi Tokuda
+
+Democratic incumbent for U.S. House (HI-02), 2026.
+
+## Campaign Committee
+
+- TOKUDA FOR HAWAII (C00813758)
+
+## Source
+
+- filing: FEC (Federal Election Commission)
+
+Federal candidate filing; not yet linked to an officeholder record.