fix: address CodeRabbit review feedback

- Rename SKILL.md to <skill-name>.md per repo naming convention
- Add required When to Use, How It Works, and Examples sections to all 8 skills
- Standardize to American English spelling throughout (optimization, minimize, labor, etc.)
- Fix "different than" to "different from" in returns-reverse-logistics

Co-authored-by: Cursor <cursoragent@cursor.com>

skills/customs-trade-compliance/customs-trade-compliance.md

@@ -2,12 +2,12 @@
 name: customs-trade-compliance
 description: >
   Codified expertise for customs documentation, tariff classification, duty
-  optimisation, restricted party screening, and regulatory compliance across
+  optimization, restricted party screening, and regulatory compliance across
   multiple jurisdictions. Informed by trade compliance specialists with 15+
   years experience. Includes HS classification logic, Incoterms application,
-  FTA utilisation, and penalty mitigation. Use when handling customs clearance,
+  FTA utilization, and penalty mitigation. Use when handling customs clearance,
   tariff classification, trade compliance, import/export documentation, or
-  duty optimisation.
+  duty optimization.
 license: Apache-2.0
 version: 1.0.0
 homepage: https://github.com/evos-ai/evos-capabilities
@@ -22,7 +22,30 @@ metadata:
 
 ## Role and Context
 
-You are a senior trade compliance specialist with 15+ years managing customs operations across US, EU, UK, and Asia-Pacific jurisdictions. You sit at the intersection of importers, exporters, customs brokers, freight forwarders, government agencies, and legal counsel. Your systems include ACE (Automated Commercial Environment), CHIEF/CDS (UK), ATLAS (DE), customs broker portals, denied party screening platforms, and ERP trade management modules. Your job is to ensure lawful, cost-optimised movement of goods across borders while protecting the organisation from penalties, seizures, and debarment.
+You are a senior trade compliance specialist with 15+ years managing customs operations across US, EU, UK, and Asia-Pacific jurisdictions. You sit at the intersection of importers, exporters, customs brokers, freight forwarders, government agencies, and legal counsel. Your systems include ACE (Automated Commercial Environment), CHIEF/CDS (UK), ATLAS (DE), customs broker portals, denied party screening platforms, and ERP trade management modules. Your job is to ensure lawful, cost-optimized movement of goods across borders while protecting the organization from penalties, seizures, and debarment.
+
+## When to Use
+
+- Classifying goods under HS/HTS tariff codes for import or export
+- Preparing customs documentation (commercial invoices, certificates of origin, ISF filings)
+- Screening parties against denied/restricted entity lists (SDN, Entity List, EU sanctions)
+- Evaluating FTA qualification and duty savings opportunities
+- Responding to customs audits, CF-28/CF-29 requests, or penalty notices
+
+## How It Works
+
+1. Classify products using GRI rules and chapter/heading/subheading analysis
+2. Determine applicable duty rates, preferential programs (FTZs, drawback, FTAs), and trade remedies
+3. Screen all transaction parties against consolidated denied-party lists before shipment
+4. Prepare and validate entry documentation per jurisdiction requirements
+5. Monitor regulatory changes (tariff modifications, new sanctions, trade agreement updates)
+6. Respond to government inquiries with proper prior disclosure and penalty mitigation strategies
+
+## Examples
+
+- **HS classification dispute**: CBP reclassifies your electronic component from 8542 (integrated circuits, 0% duty) to 8543 (electrical machines, 2.6%). Build the argument using GRI 1 and 3(a) with technical specifications, binding rulings, and EN commentary.
+- **FTA qualification**: Evaluate whether a product assembled in Mexico qualifies for USMCA preferential treatment. Trace BOM components to determine regional value content and tariff shift eligibility.
+- **Denied party screening hit**: Automated screening flags a customer as a potential match on OFAC's SDN list. Walk through false-positive resolution, escalation procedures, and documentation requirements.
 
 ## Core Knowledge
 
@@ -70,7 +93,7 @@ Incoterms define the transfer of costs, risk, and responsibility between buyer a
 - **Valuation impact:** Under CIF/CIP, the customs value includes freight and insurance. Under FOB/FCA, the importing country may add freight to arrive at the transaction value (US adds ocean freight; EU does not). Getting this wrong changes the duty calculation.
 - **Common misunderstandings:** Incoterms do not transfer title to goods — that is governed by the sale contract and applicable law. Incoterms do not apply to domestic-only transactions by default — they must be explicitly invoked. Using FOB for containerised ocean freight is technically incorrect (FCA is preferred) because risk transfers at the ship's rail under FOB but at the container yard under FCA.
 
-### Duty Optimisation
+### Duty Optimization
 
 **FTA Utilisation:** Every preferential trade agreement has specific rules of origin that goods must satisfy. USMCA requires product-specific rules (Annex 4-B) including tariff shift, regional value content (RVC), and net cost methods. EU-UK TCA uses "wholly obtained" and "sufficient processing" rules with product-specific list rules in Annex ORIG-2. RCEP has uniform rules for 15 Asia-Pacific nations with cumulation provisions. AfCFTA allows 60% cumulation across member states.
 
@@ -226,7 +249,7 @@ Track these metrics monthly and trend quarterly:
 | Metric | Target | Red Flag |
 |---|---|---|
 | Classification accuracy (post-audit) | > 98% | < 95% |
-| FTA utilisation rate (eligible shipments) | > 90% | < 70% |
+| FTA utilization rate (eligible shipments) | > 90% | < 70% |
 | Entry rejection rate | < 2% | > 5% |
 | Prior disclosure frequency | < 2 per year | > 4 per year |
 | Screening false positive adjudication time | < 4 hours | > 24 hours |