feat: add database snapshot for schema changes

- Created a snapshot to reflect the updated database schema, including new tables `api_keys`, `audit_logs`, `categories`, `comments`, `contents`, and related relationships.
- Includes indexes, unique constraints, and foreign key definitions.

backend/.migrations/0008_bitter_darwin.sql

@@ -0,0 +1,54 @@
+CREATE TABLE "comment_likes" (
+	"comment_id" uuid NOT NULL,
+	"user_id" uuid NOT NULL,
+	"created_at" timestamp with time zone DEFAULT now() NOT NULL,
+	CONSTRAINT "comment_likes_comment_id_user_id_pk" PRIMARY KEY("comment_id","user_id")
+);
+--> statement-breakpoint
+CREATE TABLE "comments" (
+	"id" uuid PRIMARY KEY DEFAULT gen_random_uuid() NOT NULL,
+	"content_id" uuid NOT NULL,
+	"user_id" uuid NOT NULL,
+	"parent_id" uuid,
+	"text" text NOT NULL,
+	"created_at" timestamp with time zone DEFAULT now() NOT NULL,
+	"updated_at" timestamp with time zone DEFAULT now() NOT NULL,
+	"deleted_at" timestamp with time zone
+);
+--> statement-breakpoint
+CREATE TABLE "conversation_participants" (
+	"conversation_id" uuid NOT NULL,
+	"user_id" uuid NOT NULL,
+	"joined_at" timestamp with time zone DEFAULT now() NOT NULL,
+	CONSTRAINT "conversation_participants_conversation_id_user_id_pk" PRIMARY KEY("conversation_id","user_id")
+);
+--> statement-breakpoint
+CREATE TABLE "conversations" (
+	"id" uuid PRIMARY KEY DEFAULT gen_random_uuid() NOT NULL,
+	"created_at" timestamp with time zone DEFAULT now() NOT NULL,
+	"updated_at" timestamp with time zone DEFAULT now() NOT NULL
+);
+--> statement-breakpoint
+CREATE TABLE "messages" (
+	"id" uuid PRIMARY KEY DEFAULT gen_random_uuid() NOT NULL,
+	"conversation_id" uuid NOT NULL,
+	"sender_id" uuid NOT NULL,
+	"text" text NOT NULL,
+	"created_at" timestamp with time zone DEFAULT now() NOT NULL,
+	"read_at" timestamp with time zone
+);
+--> statement-breakpoint
+ALTER TABLE "comment_likes" ADD CONSTRAINT "comment_likes_comment_id_comments_id_fk" FOREIGN KEY ("comment_id") REFERENCES "public"."comments"("id") ON DELETE cascade ON UPDATE no action;--> statement-breakpoint
+ALTER TABLE "comment_likes" ADD CONSTRAINT "comment_likes_user_id_users_uuid_fk" FOREIGN KEY ("user_id") REFERENCES "public"."users"("uuid") ON DELETE cascade ON UPDATE no action;--> statement-breakpoint
+ALTER TABLE "comments" ADD CONSTRAINT "comments_content_id_contents_id_fk" FOREIGN KEY ("content_id") REFERENCES "public"."contents"("id") ON DELETE cascade ON UPDATE no action;--> statement-breakpoint
+ALTER TABLE "comments" ADD CONSTRAINT "comments_user_id_users_uuid_fk" FOREIGN KEY ("user_id") REFERENCES "public"."users"("uuid") ON DELETE cascade ON UPDATE no action;--> statement-breakpoint
+ALTER TABLE "comments" ADD CONSTRAINT "comments_parent_id_comments_id_fk" FOREIGN KEY ("parent_id") REFERENCES "public"."comments"("id") ON DELETE cascade ON UPDATE no action;--> statement-breakpoint
+ALTER TABLE "conversation_participants" ADD CONSTRAINT "conversation_participants_conversation_id_conversations_id_fk" FOREIGN KEY ("conversation_id") REFERENCES "public"."conversations"("id") ON DELETE cascade ON UPDATE no action;--> statement-breakpoint
+ALTER TABLE "conversation_participants" ADD CONSTRAINT "conversation_participants_user_id_users_uuid_fk" FOREIGN KEY ("user_id") REFERENCES "public"."users"("uuid") ON DELETE cascade ON UPDATE no action;--> statement-breakpoint
+ALTER TABLE "messages" ADD CONSTRAINT "messages_conversation_id_conversations_id_fk" FOREIGN KEY ("conversation_id") REFERENCES "public"."conversations"("id") ON DELETE cascade ON UPDATE no action;--> statement-breakpoint
+ALTER TABLE "messages" ADD CONSTRAINT "messages_sender_id_users_uuid_fk" FOREIGN KEY ("sender_id") REFERENCES "public"."users"("uuid") ON DELETE cascade ON UPDATE no action;--> statement-breakpoint
+CREATE INDEX "comments_content_id_idx" ON "comments" USING btree ("content_id");--> statement-breakpoint
+CREATE INDEX "comments_user_id_idx" ON "comments" USING btree ("user_id");--> statement-breakpoint
+CREATE INDEX "comments_parent_id_idx" ON "comments" USING btree ("parent_id");--> statement-breakpoint
+CREATE INDEX "messages_conversation_id_idx" ON "messages" USING btree ("conversation_id");--> statement-breakpoint
+CREATE INDEX "messages_sender_id_idx" ON "messages" USING btree ("sender_id");

backend/.migrations/meta/_journal.json

@@ -57,6 +57,13 @@
       "when": 1769605995410,
       "tag": "0007_melodic_synch",
       "breakpoints": true
+    },
+    {
+      "idx": 8,
+      "version": "7",
+      "when": 1769696731978,
+      "tag": "0008_bitter_darwin",
+      "breakpoints": true
     }
   ]
 }