Surface regulation and user agent across consent record API layers

Signed-off-by: Émile Ré <emile@getprobo.com>

pkg/coredata/cookie_consent_record.go

@@ -40,8 +40,8 @@ type (
 		ConsentData           json.RawMessage     `db:"consent_data"`
 		Action                CookieConsentAction `db:"action"`
 		SdkVersion            string              `db:"sdk_version"`
-		Regulation            Regulation          `db:"regulation"`
-		CountryCode           CountryCode         `db:"country_code"`
+		Regulation            *Regulation         `db:"regulation"`
+		CountryCode           *CountryCode        `db:"country_code"`
 		CreatedAt             time.Time           `db:"created_at"`
 	}
 

pkg/coredata/migrations/20260507T143000Z.sql

@@ -0,0 +1,22 @@
+-- Copyright (c) 2026 Probo Inc <hello@getprobo.com>.
+--
+-- Permission to use, copy, modify, and/or distribute this software for any
+-- purpose with or without fee is hereby granted, provided that the above
+-- copyright notice and this permission notice appear in all copies.
+--
+-- THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+-- REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+-- AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+-- INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+-- LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+-- OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+-- PERFORMANCE OF THIS SOFTWARE.
+
+ALTER TABLE cookie_consent_records
+    ALTER COLUMN regulation DROP NOT NULL;
+
+ALTER TABLE cookie_consent_records
+    ALTER COLUMN country_code DROP NOT NULL;
+
+UPDATE cookie_consent_records SET regulation = NULL WHERE regulation = '';
+UPDATE cookie_consent_records SET country_code = NULL WHERE country_code = '';