CREATE TYPE "public"."route_kind" AS ENUM('html', 'asset', 'redirect', 'gone', 'dynamic', 'unresolved');--> statement-breakpoint
CREATE TYPE "public"."route_query_policy" AS ENUM('ignore', 'exact', 'preserve', 'dynamic');--> statement-breakpoint
CREATE TABLE "route_registry" (
	"id" uuid PRIMARY KEY DEFAULT gen_random_uuid() NOT NULL,
	"site_id" uuid NOT NULL,
	"host" text NOT NULL,
	"source_path_raw" text NOT NULL,
	"route_path" text NOT NULL,
	"exact_route_key" text NOT NULL,
	"collision_key" text NOT NULL,
	"query_policy" "route_query_policy" NOT NULL,
	"query_key" text,
	"source_status" text NOT NULL,
	"target_status" text NOT NULL,
	"route_kind" "route_kind" NOT NULL,
	"target_content_id" uuid,
	"target_file" text,
	"redirect_status" integer,
	"redirect_location" text,
	"indexable" boolean NOT NULL,
	"priority" integer NOT NULL,
	"source_snapshot_id" uuid,
	"verification_status" text 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 "route_registry" ADD CONSTRAINT "route_registry_site_id_sites_id_fk" FOREIGN KEY ("site_id") REFERENCES "public"."sites"("id") ON DELETE no action ON UPDATE no action;--> statement-breakpoint
ALTER TABLE "route_registry" ADD CONSTRAINT "route_registry_source_snapshot_id_source_snapshots_id_fk" FOREIGN KEY ("source_snapshot_id") REFERENCES "public"."source_snapshots"("id") ON DELETE no action ON UPDATE no action;--> statement-breakpoint
-- ↓ 手写追加（drizzle-kit 0.31 不生成 NULLS NOT DISTINCT 子句，schema 层故意的未声明该索引）：
--   纯路径唯一——query_key 为 NULL 的路由也参与唯一（spec §5.6 要求数据库级强制，不用哨兵值；
--   默认 NULLS DISTINCT 下两行 NULL 不冲突，挡不住纯路径重复）。
CREATE UNIQUE INDEX route_exact_uq ON route_registry (site_id, host, exact_route_key, query_key) NULLS NOT DISTINCT;