diff --git a/db/migrations/20260102182136_tenant_ecommerce_config.sql b/db/migrations/20260102182136_tenant_ecommerce_config.sql
new file mode 100644
index 0000000..f28b682
--- /dev/null
+++ b/db/migrations/20260102182136_tenant_ecommerce_config.sql
@@ -0,0 +1,18 @@
+-- migrate:up
+CREATE TABLE tenant_ecommerce_config (
+  id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
+  tenant_id uuid NOT NULL REFERENCES tenants(id) ON DELETE CASCADE,
+  provider text NOT NULL CHECK (provider IN ('woo', 'shopify', 'custom', 'none')),
+  base_url text NOT NULL,
+  credential_key text NOT NULL,
+  credential_secret text NOT NULL,
+  api_version text,
+  timeout_ms integer DEFAULT 8000,
+  enabled boolean DEFAULT true,
+  created_at timestamptz NOT NULL DEFAULT now(),
+  updated_at timestamptz NOT NULL DEFAULT now(),
+  UNIQUE (tenant_id, provider)
+);
+
+-- migrate:down
+drop table if exists tenant_ecommerce_config;
diff --git a/db/migrations/20260102182938_wa_identity_map_change.sql b/db/migrations/20260102182938_wa_identity_map_change.sql
new file mode 100644
index 0000000..a0efe34
--- /dev/null
+++ b/db/migrations/20260102182938_wa_identity_map_change.sql
@@ -0,0 +1,13 @@
+-- migrate:up
+ALTER TABLE wa_identity_map
+  ADD COLUMN provider text NOT NULL DEFAULT 'woo';
+
+ALTER TABLE wa_identity_map
+  RENAME COLUMN woo_customer_id TO external_customer_id;
+
+-- migrate:down
+ALTER TABLE wa_identity_map
+  DROP COLUMN provider;
+
+ALTER TABLE wa_identity_map
+  RENAME COLUMN external_customer_id TO woo_customer_id;