feat: add SQLite database with Drizzle ORM schema and migrations

apps/api/src/db/schema.ts

@@ -0,0 +1,46 @@
+import { sqliteTable, text, integer, real } from "drizzle-orm/sqlite-core";
+
+export const users = sqliteTable("users", {
+  id: text("id").primaryKey(),
+  username: text("username").notNull().unique(),
+  passwordHash: text("password_hash").notNull(),
+  role: text("role", { enum: ["admin", "user"] }).notNull().default("user"),
+  mustChangePassword: integer("must_change_password", { mode: "boolean" }).notNull().default(true),
+  createdAt: integer("created_at", { mode: "timestamp" }).notNull().$defaultFn(() => new Date()),
+  updatedAt: integer("updated_at", { mode: "timestamp" }).notNull().$defaultFn(() => new Date()),
+});
+
+export const sessions = sqliteTable("sessions", {
+  id: text("id").primaryKey(),
+  userId: text("user_id").notNull().references(() => users.id, { onDelete: "cascade" }),
+  expiresAt: integer("expires_at", { mode: "timestamp" }).notNull(),
+  createdAt: integer("created_at", { mode: "timestamp" }).notNull().$defaultFn(() => new Date()),
+});
+
+export const settings = sqliteTable("settings", {
+  key: text("key").primaryKey(),
+  value: text("value").notNull(),
+  updatedAt: integer("updated_at", { mode: "timestamp" }).notNull().$defaultFn(() => new Date()),
+});
+
+export const jobs = sqliteTable("jobs", {
+  id: text("id").primaryKey(),
+  type: text("type").notNull(),
+  status: text("status", { enum: ["queued", "processing", "completed", "failed"] }).notNull().default("queued"),
+  progress: real("progress").notNull().default(0),
+  inputFiles: text("input_files").notNull(),
+  outputPath: text("output_path"),
+  settings: text("settings"),
+  error: text("error"),
+  createdAt: integer("created_at", { mode: "timestamp" }).notNull().$defaultFn(() => new Date()),
+  completedAt: integer("completed_at", { mode: "timestamp" }),
+});
+
+export const apiKeys = sqliteTable("api_keys", {
+  id: text("id").primaryKey(),
+  userId: text("user_id").notNull().references(() => users.id, { onDelete: "cascade" }),
+  keyHash: text("key_hash").notNull(),
+  name: text("name").notNull().default("Default API Key"),
+  createdAt: integer("created_at", { mode: "timestamp" }).notNull().$defaultFn(() => new Date()),
+  lastUsedAt: integer("last_used_at", { mode: "timestamp" }),
+});