feat: refine OT flow, reports, theming and sidebar UX

backend/migrations/tenant/000001_create_tenant_schema.up.sql

@@ -66,6 +66,10 @@ CREATE TABLE IF NOT EXISTS work_orders (
     status         TEXT NOT NULL DEFAULT 'quote' CHECK (status IN ('quote', 'open', 'in_progress', 'completed', 'invoiced', 'cancelled')),
     internal_notes TEXT,
     client_notes   TEXT,
+    eta_days       INT NOT NULL DEFAULT 1 CHECK (eta_days IN (1, 2, 3, 7, 15, 30, 31)),
+    real_deadline  DATE,
+    payment_method TEXT,
+    payment_date   DATE,
     created_by     UUID REFERENCES users(id) ON DELETE SET NULL,
     created_at     TIMESTAMPTZ NOT NULL DEFAULT NOW(),
     updated_at     TIMESTAMPTZ NOT NULL DEFAULT NOW()
@@ -76,6 +80,7 @@ CREATE TABLE IF NOT EXISTS wo_items (
     work_order_id   UUID NOT NULL REFERENCES work_orders(id) ON DELETE CASCADE,
     catalog_item_id UUID REFERENCES catalog_items(id) ON DELETE SET NULL,
     description     TEXT NOT NULL,
+    change_justification TEXT,
     qty             NUMERIC(10,3) NOT NULL DEFAULT 1,
     unit_price      NUMERIC(10,2) NOT NULL,
     discount_pct    NUMERIC(5,2) NOT NULL DEFAULT 0,