feat: add Homarr assistant

packages/db/migrations/sqlite/0042_bumpy_tattoo.sql

@@ -0,0 +1,32 @@
+CREATE TABLE `assistant_configuration` (
+	`id` text PRIMARY KEY DEFAULT 'default' NOT NULL,
+	`enabled` integer DEFAULT false NOT NULL,
+	`provider` text DEFAULT 'openrouter' NOT NULL,
+	`base_url` text DEFAULT 'https://openrouter.ai/api/v1' NOT NULL,
+	`model_discovery_path` text DEFAULT '/models',
+	`encrypted_api_key` text,
+	`encrypted_headers` text,
+	`model_id` text,
+	`updated_at` integer DEFAULT (unixepoch()) NOT NULL
+);
+--> statement-breakpoint
+CREATE TABLE `assistant_message` (
+	`id` text PRIMARY KEY NOT NULL,
+	`thread_id` text NOT NULL,
+	`parent_id` text,
+	`format` text DEFAULT 'ai-sdk/v6' NOT NULL,
+	`content` text DEFAULT '{"json": {}}' NOT NULL,
+	`created_at` integer DEFAULT (unixepoch()) NOT NULL,
+	FOREIGN KEY (`thread_id`) REFERENCES `assistant_thread`(`id`) ON UPDATE no action ON DELETE cascade
+);
+--> statement-breakpoint
+CREATE TABLE `assistant_thread` (
+	`id` text PRIMARY KEY NOT NULL,
+	`user_id` text NOT NULL,
+	`title` text,
+	`model_id` text,
+	`status` text DEFAULT 'regular' NOT NULL,
+	`created_at` integer DEFAULT (unixepoch()) NOT NULL,
+	`updated_at` integer DEFAULT (unixepoch()) NOT NULL,
+	FOREIGN KEY (`user_id`) REFERENCES `user`(`id`) ON UPDATE no action ON DELETE cascade
+);