feat(t2): Phase 2 legal_representatives extraction for CZ

[petterlindstrom79]

Summary

Adds legal_representatives[] extraction to cz-company-data.ts via the ARES Veřejný rejstřík (VR view). Flips tier_2_available: true on records with active statutory body members. Cost-free (free public ARES endpoint, no auth).

Sibling of #136 (NO). Together: +2 binding-ready T2 in this Phase 2 sprint.

Audit phase

1. Files read: cz-company-data.ts, italian-company-stakeholders.ts + norwegian-company-data.ts (sibling extraction patterns). Live probe against ARES ekonomicke-subjekty-vr/00177041.
2. Current state: Handler called only the BE (basic entity) view which exposes company-level fields but no person records. Set tier_2_available: false with a follow-up-task reason — false claim on a record where the field IS extractable.
3. Proposed change: Parallel-fetch BE + VR views. Map zaznamy[primary].statutarniOrgany[].clenoveOrganu[] to canonical legal_representatives[] shape. Extract zpusobJednani (manner of acting) as signing_authority. Flip tier_2_available based on populated representatives.
4. Implications: Additive — existing fields preserved. VR fetch is opportunistic (404 → empty array, no hard fail) since sole traders / associations / foreign branches lack a public-register record.
5. Worse than proposed: No — currently false-claims tier_2 unavailable.

Scope decisions

• Includes: Statutární orgán (představenstvo / jednatel) members + Prokura (registered procurators).
• Excludes: ostatniOrgany (other bodies — supervisory boards / dozorčí rada). Per Czech commercial law, supervisory bodies do not legally represent the company.
• Filter: Drops historic register rows (datumVymazu set) and ended memberships (clenstvi.zanikClenstvi set).

Smoke test

npx tsx apps/api/scripts/capture-tier-fixtures.ts --slug cz-company-data:

• Škoda Auto a.s. (00177041): 7 active representatives extracted (6 představenstvo members + 1 prokura). Fixture written with legal_representatives redacted by the PII scrubber.

Important: cross-PR coupling on PII scrubber

apps/api/scripts/capture-tier-fixtures.ts adds legal_representatives to PII_ARRAY_FIELDS — the same edit is in #136. Either PR landing first satisfies the dependency; the second commit no-ops the addition. First capture before this fix accidentally produced real-PII fixture (7 Skoda board members with full DOBs + nationality). Caught + deleted pre-commit; the fix is now baked in here.

CI gates

• tsc --noEmit: clean for changed files (one pre-existing unrelated error in italian-company-stakeholders.ts:54).
• check-tier-coverage.mjs: 11 findings, 0 not in allowlist. CZ added to tier-coverage-allowlist.txt for the pre-existing alias-key drift from PR feat(evidence-tier): labeling sweep across 31 company-data handlers #131 (legal_name / primary_registration_id / etc. not in manifest output_schema — separate cleanup).
• check-fetch-timeout-coverage.mjs: clean (fetchVrByIco uses AbortSignal.timeout(10000)).
• check-manifest-guaranteed-consistency.mjs: clean.

Files

• apps/api/src/capabilities/cz-company-data.ts — adds VR-view types + fetchVrByIco + shapeRepresentatives; wires parallel BE+VR fetch.
• manifests/cz-company-data.yaml — declares new fields (legal_representatives, total_legal_representatives, signing_authority, tier_2_available, tier_2_available_reason) in schema + reliability.
• apps/api/scripts/capture-tier-fixtures.ts — adds legal_representatives to PII_ARRAY_FIELDS (same edit as feat(t2): Phase 2 legal_representatives extraction for NO #136).
• apps/api/scripts/tier-coverage-allowlist.txt — allowlists CZ for pre-existing alias-key drift.
• apps/api/tests/fixtures/tier-coverage/cz-company-data.json — re-captured with new fields.
• apps/api/coverage-matrix/cz-company-data__cz__company-registry.yaml — bumps tier_2_coverage: 4/5 → 5/5.

Test plan

• Live smoke against Škoda Auto via capture-tier-fixtures — 7 reps extracted
• Typecheck (clean for changed files)
• Tier-coverage gate (0 new findings)
• Fetch-timeout coverage gate (clean)
• Manifest-guaranteed-consistency gate (clean)
• PII verified redacted in committed fixture

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