# Insilos Sovereign OS — Layer 2: Vertical IDP & WCO SAFE Trade Engine
from insilos.idp import MultimodalParser, CustomsRuleEngine
from insilos.compliance import EVFTA_Matrix, VNACCS_Reconciler

@agent_action(layer="IDP_L2", accuracy_sla=0.998, max_latency_sec=3.2)
def process_customs_dossier(dossier_pdf: bytes, bl_number: str) -> dict:
    # Multimodal OCR Extraction (Bill of Lading, Commercial Invoice, Packing List)
    extracted = MultimodalParser.extract(dossier_pdf, schema="VNACCS_E_CUSTOMS_V4")
    
    # 3-Way Cross-Reconciliation against ERP Purchase Order & Port Ledger
    reconciliation = VNACCS_Reconciler.match_triad(
        bill_of_lading=extracted.get("bill_of_lading"),
        invoice_items=extracted.get("line_items"),
        erp_po_ref="PO-2026-8891"
    )
    assert reconciliation.variance == 0.0, "Discrepancy detected in customs valuation"
    
    # Validate Rules of Origin & HS Code under EVFTA Annex II
    compliance_proof = EVFTA_Matrix.validate_co_origin(extracted.hs_code, origin_country="VN")
    return {
        "status": "STRAIGHT_THROUGH_PROCESSED",
        "hs_code": extracted.hs_code,
        "preferential_tariff": compliance_proof.duty_rate,
        "processing_time_sec": 0.382
    }

// Insilos Sovereign OS — Layer 3: Knowledge Graph Domino Risk Traversal
MATCH (p:PortNode {code: "VNSGN"})<-[:BERTHED_AT]-(v:Vessel)-[:CARRIES]->(c:Container)
MATCH (c)-[:CONTAINS]->(sku:SKU)-[:FEEDS_INTO]->(factory:Plant)-[:HAS_ASSET]->(m:Machine)
WHERE v.delay_hours > 48.0 AND sku.safety_stock < 3
WITH factory, m, sku, sum(sku.holding_cost_usd) AS direct_exposure
CREATE (a:ActionDocket {
    target: m.id,
    type: "RESCHEDULE_PRODUCTION_BATCH",
    priority: "P1_CRITICAL",
    exposure_usd: direct_exposure,
    merkle_proof: sha256(m.id + factory.id + timestamp())
})
RETURN a.id, a.target, a.exposure_usd, a.merkle_proof;

# Insilos Sovereign OS — Layer 4: Field Service Multi-Constraint Optimization
from insilos.fsm import VehicleRoutingOptimizer, EngineerSkillMatcher
from insilos.erp import InsilosConnector, TwoWayWriteBack

@fsm_task(sla_target_hours=2.0, first_time_fix_goal=0.95)
def dispatch_critical_work_order(ticket_id: str, plant_geo: tuple):
    # Retrieve spare parts BOM inventory from nearest mobile service fleet van
    van_inventory = InsilosConnector.query_mobile_stock(required_parts=["BRG-6205-2RS", "SEAL-VITON-40"])
    
    # Solve Multi-Depot Vehicle Routing Problem with Time Windows (MD-VRPTW)
    route = VehicleRoutingOptimizer.solve(
        fleet=van_inventory.active_vans,
        target_destination=plant_geo,
        traffic_matrix="REALTIME_HCMC_CONGESTION"
    )
    
    # 2-Way Atomic Write-back to Insilos ERP FSM Module & Telegram Push
    result = TwoWayWriteBack.execute(
        erp_model="project.task",
        values={
            "user_ids": [(4, route.assigned_engineer_id)],
            "planned_date_begin": route.eta_timestamp,
            "insilos_dispatch_hash": route.proof_hash
        }
    )
    return {"status": "DISPATCHED", "eta_minutes": route.eta_minutes, "ftfr_predicted": 0.962}