feat(db): lab_drafts, lab_draws, biomarkers tables

Refs PAI-91.

server/drizzle/0001_labs.sql

@@ -0,0 +1,33 @@
+CREATE TABLE `biomarkers` (
+	`id` integer PRIMARY KEY AUTOINCREMENT NOT NULL,
+	`draw_id` text NOT NULL,
+	`panel` text NOT NULL,
+	`name` text NOT NULL,
+	`marker` text NOT NULL,
+	`analyte_key` text,
+	`value` text NOT NULL,
+	`value_num` real,
+	`unit` text,
+	`reference_range` text,
+	`flagged` integer DEFAULT 0 NOT NULL,
+	`value_canonical` real,
+	`canonical_unit` text
+);
+--> statement-breakpoint
+CREATE TABLE `lab_drafts` (
+	`id` text PRIMARY KEY NOT NULL,
+	`filename` text NOT NULL,
+	`file_path` text NOT NULL,
+	`status` text NOT NULL,
+	`extracted` text,
+	`error` text,
+	`created_at` integer NOT NULL
+);
+--> statement-breakpoint
+CREATE TABLE `lab_draws` (
+	`id` text PRIMARY KEY NOT NULL,
+	`collected_at` text NOT NULL,
+	`lab_name` text,
+	`draft_id` text,
+	`created_at` integer NOT NULL
+);