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/schema/016_stripe_billing.sql

@@ -0,0 +1,32 @@
+-- +goose Up
+-- Stripe customer / subscription linkage + webhook idempotency (company-scoped).
+
+ALTER TABLE companies
+  ADD COLUMN IF NOT EXISTS stripe_customer_id TEXT;
+
+CREATE UNIQUE INDEX IF NOT EXISTS companies_stripe_customer_id_uidx
+  ON companies (stripe_customer_id)
+  WHERE stripe_customer_id IS NOT NULL AND stripe_customer_id <> '';
+
+ALTER TABLE company_plans
+  ADD COLUMN IF NOT EXISTS stripe_subscription_id TEXT,
+  ADD COLUMN IF NOT EXISTS stripe_price_id TEXT;
+
+CREATE INDEX IF NOT EXISTS company_plans_stripe_subscription_id_idx
+  ON company_plans (stripe_subscription_id)
+  WHERE stripe_subscription_id IS NOT NULL AND stripe_subscription_id <> '';
+
+CREATE TABLE IF NOT EXISTS stripe_webhook_events (
+  event_id TEXT PRIMARY KEY,
+  event_type TEXT NOT NULL,
+  company_id UUID REFERENCES companies(id) ON DELETE SET NULL,
+  processed_at TIMESTAMPTZ NOT NULL DEFAULT now()
+);
+
+-- +goose Down
+DROP TABLE IF EXISTS stripe_webhook_events;
+DROP INDEX IF EXISTS company_plans_stripe_subscription_id_idx;
+ALTER TABLE company_plans DROP COLUMN IF EXISTS stripe_price_id;
+ALTER TABLE company_plans DROP COLUMN IF EXISTS stripe_subscription_id;
+DROP INDEX IF EXISTS companies_stripe_customer_id_uidx;
+ALTER TABLE companies DROP COLUMN IF EXISTS stripe_customer_id;