Initial commit of Descrybe v2 without local scratch artifacts.

Drop one-shot tmp/axe scripts and agent i18n scratch so the Gitea tree is deployable.

apps/api/sql/queries/billing.sql

@@ -0,0 +1,34 @@
+-- name: GetCreditBalance :one
+SELECT * FROM credit_balances WHERE company_id = $1 LIMIT 1;
+
+-- name: UpsertCreditBalance :one
+INSERT INTO credit_balances (company_id, total_credits, used_credits, updated_at)
+VALUES ($1, $2, $3, now())
+ON CONFLICT (company_id) DO UPDATE
+SET total_credits = EXCLUDED.total_credits,
+    used_credits = EXCLUDED.used_credits,
+    updated_at = now()
+RETURNING *;
+
+-- name: GetActiveCompanyPlan :one
+SELECT cp.*, p.name AS plan_name, p.monthly_credits, p.max_products
+FROM company_plans cp
+JOIN plans p ON p.id = cp.plan_id
+WHERE cp.company_id = $1 AND cp.is_active = true
+ORDER BY cp.created_at DESC
+LIMIT 1;
+
+-- name: ListPlans :many
+SELECT * FROM plans ORDER BY id;
+
+-- name: CreatePlan :one
+INSERT INTO plans (name, description, monthly_credits, yearly_credits, max_products, is_custom, term)
+VALUES ($1, $2, $3, $4, $5, $6, $7)
+RETURNING *;
+
+-- name: CreateCompanyPlan :one
+INSERT INTO company_plans (
+  company_id, plan_id, is_active, billing_cycle_start, next_billing_date,
+  is_trial, trial_ends_at, trial_credits
+) VALUES ($1, $2, $3, $4, $5, $6, $7, $8)
+RETURNING *;