feat: scaffold AI image desktop MVP

src-tauri/src/db/mod.rs

@@ -0,0 +1,29 @@
+use std::fs;
+
+use sqlx::{sqlite::SqliteConnectOptions, SqlitePool};
+use tauri::{AppHandle, Manager};
+
+use crate::AppError;
+
+pub mod models;
+pub mod repository;
+
+pub async fn init(app: &AppHandle) -> Result<SqlitePool, AppError> {
+    let app_data_dir = app.path().app_data_dir()?;
+    fs::create_dir_all(&app_data_dir)?;
+
+    let database_path = app_data_dir.join("image_draw_ai.sqlite");
+    let options = SqliteConnectOptions::new()
+        .filename(database_path)
+        .create_if_missing(true);
+    let pool = SqlitePool::connect_with(options).await?;
+
+    for statement in include_str!("../../migrations/001_init.sql").split(';') {
+        let statement = statement.trim();
+        if !statement.is_empty() {
+            sqlx::query(statement).execute(&pool).await?;
+        }
+    }
+
+    Ok(pool)
+}