feat(db): firebaseUid-kolumn på users för Firebase-kundidentitet (AUTH-1)

infrastructure/migrations/0028_unknown_wrecking_crew.sql

@@ -0,0 +1,2 @@
+ALTER TABLE "users" ADD COLUMN "firebase_uid" text;--> statement-breakpoint
+CREATE UNIQUE INDEX "users_firebase_uid_unique" ON "users" USING btree ("firebase_uid");

infrastructure/migrations/meta/_journal.json

@@ -197,6 +197,13 @@
       "when": 1786719342931,
       "tag": "0027_nostalgic_forgotten_one",
       "breakpoints": true
+    },
+    {
+      "idx": 28,
+      "version": "7",
+      "when": 1786797105109,
+      "tag": "0028_unknown_wrecking_crew",
+      "breakpoints": true
     }
   ]
 }

packages/database/src/schema/users.ts

@@ -34,6 +34,8 @@ export const users = pgTable(
     email: text("email").notNull(),
     /** null = e-posten ej verifierad ännu (icke-blockerande – appen fungerar ändå). */
     emailVerifiedAt: timestamp("email_verified_at", { withTimezone: true }),
+    /** Firebase-UID (kundidentitet). null = admin/personal eller konto skapat före Firebase. Unik. */
+    firebaseUid: text("firebase_uid"),
     displayName: text("display_name").notNull(),
     role: userRoleEnum("role").notNull().default("user"),
     locale: text("locale").notNull().default("sv-SE"),
@@ -45,7 +47,10 @@ export const users = pgTable(
     createdAt: createdAt(),
     updatedAt: updatedAt(),
   },
-  (t) => [uniqueIndex("users_email_unique").on(t.email)],
+  (t) => [
+    uniqueIndex("users_email_unique").on(t.email),
+    uniqueIndex("users_firebase_uid_unique").on(t.firebaseUid),
+  ],
 );
 
 /** Autentiseringsuppgifter separerade från kontot (byts utan att röra users). */