FTA/FTZ Optimization Engine

{
  "code": "FTA/FTZ Optimization Engine — 2 files created:\n\n1. rosetta_core/fta_optimizer.py:\n   Part 1 — FTA Optimizer:\n   - check_tariff_shift(): CC/CTH/CTSH analysis for BOM components\n   - calculate_rvc(): Regional Value Content (transaction_value or net_cost method)\n   - analyze_fta_qualification(): Full FTA analysis with 3-step qualification (tariff shift → RVC → de minimis)\n   - find_best_fta(): Check all FTAs, return ranked by savings\n   - FTA rules database: USMCA (75% RVC), CPTPP (45%), EU-Japan EPA (55%), KORUS (55%), RCEP (40%), UK-EU TCA (55%)\n   - BOMComponent, TariffShiftResult, RVCCalculation, FTAQualification dataclasses\n\n   Part 2 — FTZ Analyzer:\n   - analyze_ftz_benefit(): Inverted tariff detection, duty deferral calculation, zone-to-zone eligibility\n   - Admission type recommendation: privileged_foreign vs non_privileged based on tariff inversion\n   - Annual savings projection with volume multiplier\n   - FTZBenefit dataclass with full cost breakdown\n\n2. tests/test_fta_optimizer.py — 30+ tests:\n   - Tariff shift: CC/CTH/CTSH qualify/fail, dotted codes\n   - RVC: all originating, mixed, boundary, zero value\n   - FTA qualification: USMCA/CPTPP qualifying/non-qualifying, de minimis, unknown FTA, savings\n   - Find best FTA: sorted results, qualifying first\n   - FTZ: inverted tariff detection, no inversion, deferral savings, annual multiplier, admission type\n",
  "content": "FTA/FTZ Optimization Engine — 2 files created:\n\n1. rosetta_core/fta_optimizer.py:\n   Part 1 — FTA Optimizer:\n   - check_tariff_shift(): CC/CTH/CTSH analysis for BOM components\n   - calculate_rvc(): Regional Value Content (transaction_value or net_cost method)\n   - analyze_fta_qualification(): Full FTA analysis with 3-step qualification (tariff shift → RVC → de minimis)\n   - find_best_fta(): Check all FTAs, return ranked by savings\n   - FTA rules database: USMCA (75% RVC), CPTPP (45%), EU-Japan EPA (55%), KORUS (55%), RCEP (40%), UK-EU TCA (55%)\n   - BOMComponent, TariffShiftResult, RVCCalculation, FTAQualification dataclasses\n\n   Part 2 — FTZ Analyzer:\n   - analyze_ftz_benefit(): Inverted tariff detection, duty deferral calculation, zone-to-zone eligibility\n   - Admission type recommendation: privileged_foreign vs non_privileged based on tariff inversion\n   - Annual savings projection with volume multiplier\n   - FTZBenefit dataclass with full cost breakdown\n\n2. tests/test_fta_optimizer.py — 30+ tests:\n   - Tariff shift: CC/CTH/CTSH qualify/fail, dotted codes\n   - RVC: all originating, mixed, boundary, zero value\n   - FTA qualification: USMCA/CPTPP qualifying/non-qualifying, de minimis, unknown FTA, savings\n   - Find best FTA: sorted results, qualifying first\n   - FTZ: inverted tariff detection, no inversion, deferral savings, annual multiplier, admission type\n"
}