Create schema.sql

data/schema.sql

@@ -0,0 +1,77 @@
+-- FiveTech: esquema SQLite WASM/sql.js. Ejecutar PRAGMA foreign_keys=ON en cada conexión.
+PRAGMA foreign_keys = ON;
+CREATE TABLE IF NOT EXISTS suppliers (
+  id TEXT PRIMARY KEY, name TEXT NOT NULL, country TEXT NOT NULL,
+  contact_email TEXT, lead_days INTEGER NOT NULL CHECK (lead_days >= 0), active INTEGER NOT NULL DEFAULT 1 CHECK (active IN (0,1))
+);
+CREATE TABLE IF NOT EXISTS products (
+  sku TEXT PRIMARY KEY, name TEXT NOT NULL, category TEXT NOT NULL,
+  unit TEXT NOT NULL, sale_price_cents INTEGER NOT NULL CHECK (sale_price_cents >= 0),
+  reorder_point INTEGER NOT NULL CHECK (reorder_point >= 0), target_stock INTEGER NOT NULL CHECK (target_stock >= reorder_point),
+  active INTEGER NOT NULL DEFAULT 1 CHECK (active IN (0,1))
+);
+CREATE TABLE IF NOT EXISTS supplier_products (
+  supplier_id TEXT NOT NULL REFERENCES suppliers(id), sku TEXT NOT NULL REFERENCES products(sku),
+  unit_cost_cents INTEGER NOT NULL CHECK (unit_cost_cents >= 0), min_order_qty INTEGER NOT NULL DEFAULT 1 CHECK (min_order_qty > 0),
+  PRIMARY KEY (supplier_id, sku)
+);
+CREATE TABLE IF NOT EXISTS inventory (
+  sku TEXT PRIMARY KEY REFERENCES products(sku), on_hand INTEGER NOT NULL DEFAULT 0 CHECK (on_hand >= 0),
+  reserved INTEGER NOT NULL DEFAULT 0 CHECK (reserved >= 0 AND reserved <= on_hand),
+  updated_at TEXT NOT NULL
+);
+CREATE TABLE IF NOT EXISTS sales_orders (
+  id TEXT PRIMARY KEY, customer_name TEXT NOT NULL, region TEXT NOT NULL,
+  placed_at TEXT NOT NULL, status TEXT NOT NULL CHECK (status IN ('pendiente','confirmado','enviado','cancelado'))
+);
+CREATE TABLE IF NOT EXISTS sales_order_lines (
+  order_id TEXT NOT NULL REFERENCES sales_orders(id), line_no INTEGER NOT NULL CHECK (line_no > 0),
+  sku TEXT NOT NULL REFERENCES products(sku), quantity INTEGER NOT NULL CHECK (quantity > 0),
+  unit_price_cents INTEGER NOT NULL CHECK (unit_price_cents >= 0), PRIMARY KEY (order_id, line_no)
+);
+CREATE TABLE IF NOT EXISTS purchase_proposals (
+  id TEXT PRIMARY KEY, sku TEXT NOT NULL, supplier_id TEXT NOT NULL,
+  proposed_qty INTEGER NOT NULL CHECK (proposed_qty > 0), unit_cost_cents INTEGER NOT NULL CHECK (unit_cost_cents >= 0),
+  currency TEXT NOT NULL DEFAULT 'USD' CHECK (length(currency) = 3),
+  agent_id TEXT NOT NULL, rationale TEXT NOT NULL, created_at TEXT NOT NULL,
+  FOREIGN KEY (supplier_id, sku) REFERENCES supplier_products(supplier_id, sku)
+);
+-- Una decisión por propuesta. Las propuestas pendientes aún no tienen decidido_por/decidido_at.
+CREATE TABLE IF NOT EXISTS approval_queue (
+  proposal_id TEXT PRIMARY KEY REFERENCES purchase_proposals(id),
+  status TEXT NOT NULL DEFAULT 'pendiente' CHECK (status IN ('pendiente','aprobada','rechazada')),
+  decided_by TEXT, decided_at TEXT, decision_reason TEXT,
+  CHECK ((status = 'pendiente' AND decided_by IS NULL AND decided_at IS NULL)
+      OR (status <> 'pendiente' AND decided_by IS NOT NULL AND decided_at IS NOT NULL))
+);
+CREATE TABLE IF NOT EXISTS stock_movements (
+  id TEXT PRIMARY KEY, sku TEXT NOT NULL REFERENCES products(sku),
+  delta INTEGER NOT NULL CHECK (delta <> 0), reason TEXT NOT NULL, proposal_id TEXT REFERENCES purchase_proposals(id),
+  created_at TEXT NOT NULL
+);
+CREATE TABLE IF NOT EXISTS audit_log (
+  id TEXT PRIMARY KEY, occurred_at TEXT NOT NULL, actor TEXT NOT NULL, action TEXT NOT NULL,
+  entity_type TEXT NOT NULL, entity_id TEXT NOT NULL, details_json TEXT NOT NULL CHECK (json_valid(details_json))
+);
+CREATE INDEX IF NOT EXISTS idx_orders_placed ON sales_orders(placed_at);
+CREATE INDEX IF NOT EXISTS idx_lines_sku ON sales_order_lines(sku);
+CREATE INDEX IF NOT EXISTS idx_approval_status ON approval_queue(status);
+CREATE INDEX IF NOT EXISTS idx_audit_time ON audit_log(occurred_at);
+CREATE VIEW IF NOT EXISTS stock_status AS
+  SELECT p.sku, p.name, i.on_hand, i.reserved, i.on_hand - i.reserved AS available,
+         p.reorder_point, p.target_stock,
+         CASE WHEN i.on_hand - i.reserved <= p.reorder_point THEN 1 ELSE 0 END AS needs_restock
+  FROM products p JOIN inventory i ON i.sku = p.sku;
+CREATE TABLE IF NOT EXISTS workforce (
+  id TEXT PRIMARY KEY, name TEXT NOT NULL, role TEXT NOT NULL, team TEXT NOT NULL,
+  capacity_hours INTEGER NOT NULL CHECK(capacity_hours >= 0), assigned_hours INTEGER NOT NULL CHECK(assigned_hours >= 0),
+  status TEXT NOT NULL CHECK(status IN ('disponible','ocupado','ausente'))
+);
+CREATE TABLE IF NOT EXISTS production_jobs (
+  id TEXT PRIMARY KEY, sku TEXT NOT NULL REFERENCES products(sku), quantity INTEGER NOT NULL CHECK(quantity > 0),
+  stage TEXT NOT NULL, due_at TEXT NOT NULL, owner TEXT NOT NULL, order_id TEXT REFERENCES sales_orders(id)
+);
+CREATE TABLE IF NOT EXISTS planning_tasks (
+  id TEXT PRIMARY KEY, title TEXT NOT NULL, due_at TEXT NOT NULL, team TEXT NOT NULL,
+  status TEXT NOT NULL CHECK(status IN ('pendiente','en_curso','hecho')), linked_order_id TEXT REFERENCES sales_orders(id)
+);