feat(finance): add settlement currency and cycle fx rates

packages/db/drizzle/0012_clumsy_maestro.sql

@@ -0,0 +1,16 @@
+CREATE TABLE "billing_cycle_exchange_rates" (
+	"id" uuid PRIMARY KEY DEFAULT gen_random_uuid() NOT NULL,
+	"cycle_id" uuid NOT NULL,
+	"source_currency" text NOT NULL,
+	"target_currency" text NOT NULL,
+	"rate_micros" bigint NOT NULL,
+	"effective_date" date NOT NULL,
+	"source" text DEFAULT 'nbg' NOT NULL,
+	"created_at" timestamp with time zone DEFAULT now() NOT NULL,
+	"updated_at" timestamp with time zone DEFAULT now() NOT NULL
+);
+--> statement-breakpoint
+ALTER TABLE "household_billing_settings" ADD COLUMN "settlement_currency" text DEFAULT 'GEL' NOT NULL;--> statement-breakpoint
+ALTER TABLE "billing_cycle_exchange_rates" ADD CONSTRAINT "billing_cycle_exchange_rates_cycle_id_billing_cycles_id_fk" FOREIGN KEY ("cycle_id") REFERENCES "public"."billing_cycles"("id") ON DELETE cascade ON UPDATE no action;--> statement-breakpoint
+CREATE UNIQUE INDEX "billing_cycle_exchange_rates_cycle_pair_unique" ON "billing_cycle_exchange_rates" USING btree ("cycle_id","source_currency","target_currency");--> statement-breakpoint
+CREATE INDEX "billing_cycle_exchange_rates_cycle_idx" ON "billing_cycle_exchange_rates" USING btree ("cycle_id");

packages/db/drizzle/meta/_journal.json

@@ -85,6 +85,13 @@
       "when": 1773096404367,
       "tag": "0011_previous_ezekiel_stane",
       "breakpoints": true
+    },
+    {
+      "idx": 12,
+      "version": "7",
+      "when": 1773146577992,
+      "tag": "0012_clumsy_maestro",
+      "breakpoints": true
     }
   ]
 }