CREATE TABLE "knowledge_base_tag_definitions" ( "id" text PRIMARY KEY NOT NULL, "knowledge_base_id" text NOT NULL, "tag_slot" text NOT NULL, "display_name" text NOT NULL, "field_type" text DEFAULT 'text' NOT NULL, "created_at" timestamp DEFAULT now() NOT NULL, "updated_at" timestamp DEFAULT now() NOT NULL ); --> statement-breakpoint ALTER TABLE "knowledge_base_tag_definitions" ADD CONSTRAINT "knowledge_base_tag_definitions_knowledge_base_id_knowledge_base_id_fk" FOREIGN KEY ("knowledge_base_id") REFERENCES "public"."knowledge_base"("id") ON DELETE cascade ON UPDATE no action;--> statement-breakpoint CREATE UNIQUE INDEX "kb_tag_definitions_kb_slot_idx" ON "knowledge_base_tag_definitions" USING btree ("knowledge_base_id","tag_slot");--> statement-breakpoint CREATE INDEX "kb_tag_definitions_kb_id_idx" ON "knowledge_base_tag_definitions" USING btree ("knowledge_base_id");