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/wi/districts/01.md

@@ -0,0 +1,59 @@
+---
+type: Jurisdiction
+title: "WI-01"
+classification: congressional-district
+state: "WI"
+district: "WI-01"
+demographics:
+  population: 739693
+  population_under_18: 175324
+  population_18_64: 229810
+  population_65_plus: 334559
+  median_household_income: 79452
+  poverty_rate: 9.75
+  homeownership_rate: 68.4
+  unemployment_rate: 3.81
+  median_home_value: 286700
+  gini_index: 0.4325
+  vacancy_rate: 6.61
+  race_white: 571587
+  race_black: 47698
+  race_asian: 14432
+  hispanic: 105271
+  bachelors_plus: 163764
+sources:
+  - field: demographics
+    source: Census ACS 2023
+confidence: official
+tags: [jurisdiction, congressional-district, wi]
+timestamp: "2026-07-03"
+---
+
+# WI-01
+
+Congressional district WI-01.
+
+## Demographics (ACS 2023)
+
+| Measure | Value |
+| --- | --- |
+| Population | 739693 |
+| Under 18 | 175324 |
+| 18–64 | 229810 |
+| 65+ | 334559 |
+| Median household income | 79452 |
+| Poverty rate | 9.75 |
+| Homeownership rate | 68.4 |
+| Unemployment rate | 3.81 |
+| Median home value | 286700 |
+| Gini index | 0.4325 |
+| Vacancy rate | 6.61 |
+| White | 571587 |
+| Black | 47698 |
+| Asian | 14432 |
+| Hispanic/Latino | 105271 |
+| Bachelor's or higher | 163764 |
+
+## Source
+
+- demographics: Census ACS 2023

data/jurisdictions/us/states/wi/districts/02.md

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+---
+type: Jurisdiction
+title: "WI-02"
+classification: congressional-district
+state: "WI"
+district: "WI-02"
+demographics:
+  population: 763361
+  population_under_18: 173857
+  population_18_64: 286512
+  population_65_plus: 302992
+  median_household_income: 88518
+  poverty_rate: 9.75
+  homeownership_rate: 59.3
+  unemployment_rate: 2.2
+  median_home_value: 405200
+  gini_index: 0.4452
+  vacancy_rate: 5.06
+  race_white: 606521
+  race_black: 33718
+  race_asian: 38960
+  hispanic: 58208
+  bachelors_plus: 263005
+sources:
+  - field: demographics
+    source: Census ACS 2023
+confidence: official
+tags: [jurisdiction, congressional-district, wi]
+timestamp: "2026-07-03"
+---
+
+# WI-02
+
+Congressional district WI-02.
+
+## Demographics (ACS 2023)
+
+| Measure | Value |
+| --- | --- |
+| Population | 763361 |
+| Under 18 | 173857 |
+| 18–64 | 286512 |
+| 65+ | 302992 |
+| Median household income | 88518 |
+| Poverty rate | 9.75 |
+| Homeownership rate | 59.3 |
+| Unemployment rate | 2.2 |
+| Median home value | 405200 |
+| Gini index | 0.4452 |
+| Vacancy rate | 5.06 |
+| White | 606521 |
+| Black | 33718 |
+| Asian | 38960 |
+| Hispanic/Latino | 58208 |
+| Bachelor's or higher | 263005 |
+
+## Source
+
+- demographics: Census ACS 2023

data/jurisdictions/us/states/wi/districts/03.md

@@ -0,0 +1,59 @@
+---
+type: Jurisdiction
+title: "WI-03"
+classification: congressional-district
+state: "WI"
+district: "WI-03"
+demographics:
+  population: 740873
+  population_under_18: 175025
+  population_18_64: 240392
+  population_65_plus: 325456
+  median_household_income: 73367
+  poverty_rate: 11.17
+  homeownership_rate: 68.99
+  unemployment_rate: 2.86
+  median_home_value: 262700
+  gini_index: 0.4295
+  vacancy_rate: 9.24
+  race_white: 666323
+  race_black: 8701
+  race_asian: 16782
+  hispanic: 27852
+  bachelors_plus: 152040
+sources:
+  - field: demographics
+    source: Census ACS 2023
+confidence: official
+tags: [jurisdiction, congressional-district, wi]
+timestamp: "2026-07-03"
+---
+
+# WI-03
+
+Congressional district WI-03.
+
+## Demographics (ACS 2023)
+
+| Measure | Value |
+| --- | --- |
+| Population | 740873 |
+| Under 18 | 175025 |
+| 18–64 | 240392 |
+| 65+ | 325456 |
+| Median household income | 73367 |
+| Poverty rate | 11.17 |
+| Homeownership rate | 68.99 |
+| Unemployment rate | 2.86 |
+| Median home value | 262700 |
+| Gini index | 0.4295 |
+| Vacancy rate | 9.24 |
+| White | 666323 |
+| Black | 8701 |
+| Asian | 16782 |
+| Hispanic/Latino | 27852 |
+| Bachelor's or higher | 152040 |
+
+## Source
+
+- demographics: Census ACS 2023

data/jurisdictions/us/states/wi/districts/04.md

@@ -0,0 +1,59 @@
+---
+type: Jurisdiction
+title: "WI-04"
+classification: congressional-district
+state: "WI"
+district: "WI-04"
+demographics:
+  population: 722345
+  population_under_18: 194708
+  population_18_64: 273644
+  population_65_plus: 253993
+  median_household_income: 62083
+  poverty_rate: 18.72
+  homeownership_rate: 47.37
+  unemployment_rate: 5.54
+  median_home_value: 237400
+  gini_index: 0.481
+  vacancy_rate: 8.47
+  race_white: 304766
+  race_black: 228178
+  race_asian: 36046
+  hispanic: 134439
+  bachelors_plus: 170940
+sources:
+  - field: demographics
+    source: Census ACS 2023
+confidence: official
+tags: [jurisdiction, congressional-district, wi]
+timestamp: "2026-07-03"
+---
+
+# WI-04
+
+Congressional district WI-04.
+
+## Demographics (ACS 2023)
+
+| Measure | Value |
+| --- | --- |
+| Population | 722345 |
+| Under 18 | 194708 |
+| 18–64 | 273644 |
+| 65+ | 253993 |
+| Median household income | 62083 |
+| Poverty rate | 18.72 |
+| Homeownership rate | 47.37 |
+| Unemployment rate | 5.54 |
+| Median home value | 237400 |
+| Gini index | 0.481 |
+| Vacancy rate | 8.47 |
+| White | 304766 |
+| Black | 228178 |
+| Asian | 36046 |
+| Hispanic/Latino | 134439 |
+| Bachelor's or higher | 170940 |
+
+## Source
+
+- demographics: Census ACS 2023

data/jurisdictions/us/states/wi/districts/05.md

@@ -0,0 +1,59 @@
+---
+type: Jurisdiction
+title: "WI-05"
+classification: congressional-district
+state: "WI"
+district: "WI-05"
+demographics:
+  population: 750363
+  population_under_18: 166485
+  population_18_64: 223689
+  population_65_plus: 360189
+  median_household_income: 91909
+  poverty_rate: 6.83
+  homeownership_rate: 74.04
+  unemployment_rate: 2.54
+  median_home_value: 386200
+  gini_index: 0.4289
+  vacancy_rate: 4.84
+  race_white: 647909
+  race_black: 12948
+  race_asian: 23556
+  hispanic: 52385
+  bachelors_plus: 226308
+sources:
+  - field: demographics
+    source: Census ACS 2023
+confidence: official
+tags: [jurisdiction, congressional-district, wi]
+timestamp: "2026-07-03"
+---
+
+# WI-05
+
+Congressional district WI-05.
+
+## Demographics (ACS 2023)
+
+| Measure | Value |
+| --- | --- |
+| Population | 750363 |
+| Under 18 | 166485 |
+| 18–64 | 223689 |
+| 65+ | 360189 |
+| Median household income | 91909 |
+| Poverty rate | 6.83 |
+| Homeownership rate | 74.04 |
+| Unemployment rate | 2.54 |
+| Median home value | 386200 |
+| Gini index | 0.4289 |
+| Vacancy rate | 4.84 |
+| White | 647909 |
+| Black | 12948 |
+| Asian | 23556 |
+| Hispanic/Latino | 52385 |
+| Bachelor's or higher | 226308 |
+
+## Source
+
+- demographics: Census ACS 2023

data/jurisdictions/us/states/wi/districts/06.md

@@ -0,0 +1,59 @@
+---
+type: Jurisdiction
+title: "WI-06"
+classification: congressional-district
+state: "WI"
+district: "WI-06"
+demographics:
+  population: 743039
+  population_under_18: 163520
+  population_18_64: 228717
+  population_65_plus: 350802
+  median_household_income: 76182
+  poverty_rate: 9.09
+  homeownership_rate: 72.65
+  unemployment_rate: 2.91
+  median_home_value: 265300
+  gini_index: 0.4344
+  vacancy_rate: 8.06
+  race_white: 640319
+  race_black: 14882
+  race_asian: 20303
+  hispanic: 45348
+  bachelors_plus: 157195
+sources:
+  - field: demographics
+    source: Census ACS 2023
+confidence: official
+tags: [jurisdiction, congressional-district, wi]
+timestamp: "2026-07-03"
+---
+
+# WI-06
+
+Congressional district WI-06.
+
+## Demographics (ACS 2023)
+
+| Measure | Value |
+| --- | --- |
+| Population | 743039 |
+| Under 18 | 163520 |
+| 18–64 | 228717 |
+| 65+ | 350802 |
+| Median household income | 76182 |
+| Poverty rate | 9.09 |
+| Homeownership rate | 72.65 |
+| Unemployment rate | 2.91 |
+| Median home value | 265300 |
+| Gini index | 0.4344 |
+| Vacancy rate | 8.06 |
+| White | 640319 |
+| Black | 14882 |
+| Asian | 20303 |
+| Hispanic/Latino | 45348 |
+| Bachelor's or higher | 157195 |
+
+## Source
+
+- demographics: Census ACS 2023

data/jurisdictions/us/states/wi/districts/07.md

@@ -0,0 +1,59 @@
+---
+type: Jurisdiction
+title: "WI-07"
+classification: congressional-district
+state: "WI"
+district: "WI-07"
+demographics:
+  population: 754076
+  population_under_18: 164177
+  population_18_64: 206156
+  population_65_plus: 383743
+  median_household_income: 73003
+  poverty_rate: 9.77
+  homeownership_rate: 78.6
+  unemployment_rate: 2.96
+  median_home_value: 260600
+  gini_index: 0.4266
+  vacancy_rate: 22.93
+  race_white: 675195
+  race_black: 6193
+  race_asian: 13612
+  hispanic: 24366
+  bachelors_plus: 149300
+sources:
+  - field: demographics
+    source: Census ACS 2023
+confidence: official
+tags: [jurisdiction, congressional-district, wi]
+timestamp: "2026-07-03"
+---
+
+# WI-07
+
+Congressional district WI-07.
+
+## Demographics (ACS 2023)
+
+| Measure | Value |
+| --- | --- |
+| Population | 754076 |
+| Under 18 | 164177 |
+| 18–64 | 206156 |
+| 65+ | 383743 |
+| Median household income | 73003 |
+| Poverty rate | 9.77 |
+| Homeownership rate | 78.6 |
+| Unemployment rate | 2.96 |
+| Median home value | 260600 |
+| Gini index | 0.4266 |
+| Vacancy rate | 22.93 |
+| White | 675195 |
+| Black | 6193 |
+| Asian | 13612 |
+| Hispanic/Latino | 24366 |
+| Bachelor's or higher | 149300 |
+
+## Source
+
+- demographics: Census ACS 2023

data/jurisdictions/us/states/wi/districts/08.md

@@ -0,0 +1,59 @@
+---
+type: Jurisdiction
+title: "WI-08"
+classification: congressional-district
+state: "WI"
+district: "WI-08"
+demographics:
+  population: 747225
+  population_under_18: 173923
+  population_18_64: 231268
+  population_65_plus: 342034
+  median_household_income: 78966
+  poverty_rate: 7.92
+  homeownership_rate: 74.04
+  unemployment_rate: 1.83
+  median_home_value: 283300
+  gini_index: 0.433
+  vacancy_rate: 12.13
+  race_white: 629359
+  race_black: 11971
+  race_asian: 22450
+  hispanic: 52035
+  bachelors_plus: 159344
+sources:
+  - field: demographics
+    source: Census ACS 2023
+confidence: official
+tags: [jurisdiction, congressional-district, wi]
+timestamp: "2026-07-03"
+---
+
+# WI-08
+
+Congressional district WI-08.
+
+## Demographics (ACS 2023)
+
+| Measure | Value |
+| --- | --- |
+| Population | 747225 |
+| Under 18 | 173923 |
+| 18–64 | 231268 |
+| 65+ | 342034 |
+| Median household income | 78966 |
+| Poverty rate | 7.92 |
+| Homeownership rate | 74.04 |
+| Unemployment rate | 1.83 |
+| Median home value | 283300 |
+| Gini index | 0.433 |
+| Vacancy rate | 12.13 |
+| White | 629359 |
+| Black | 11971 |
+| Asian | 22450 |
+| Hispanic/Latino | 52035 |
+| Bachelor's or higher | 159344 |
+
+## Source
+
+- demographics: Census ACS 2023