Initial commit: OpenFUT Core

Offline Ultimate Team backend — game-independent REST API.

- 19 API endpoints: auth, profiles, clubs, cards, packs, squads,
  objectives, SBCs, match rewards, NPC market, statistics
- Axum + SQLite + SQLx with full migrations
- Weighted pack generator, SBC validation engine
- JSON-driven mod data (cards, packs, objectives, SBCs)
- 5 integration tests passing

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/main.rs

@@ -0,0 +1,33 @@
+use anyhow::Result;
+use openfut_core::{config, db, seed};
+use tracing::info;
+use tracing_subscriber::{layer::SubscriberExt, util::SubscriberInitExt, EnvFilter};
+
+#[tokio::main]
+async fn main() -> Result<()> {
+    dotenvy::dotenv().ok();
+
+    tracing_subscriber::registry()
+        .with(
+            EnvFilter::try_from_default_env()
+                .unwrap_or_else(|_| "openfut_core=debug,tower_http=debug".into()),
+        )
+        .with(tracing_subscriber::fmt::layer())
+        .init();
+
+    let cfg = config::Config::from_env()?;
+    info!("OpenFUT Core starting on {}", cfg.listen_addr);
+
+    let pool = db::init_pool(&cfg.database_url).await?;
+    db::run_migrations(&pool).await?;
+
+    seed::maybe_seed(&pool).await?;
+
+    let app = openfut_core::app::build(pool, cfg.clone()).await?;
+
+    let listener = tokio::net::TcpListener::bind(&cfg.listen_addr).await?;
+    info!("Listening on http://{}", cfg.listen_addr);
+    axum::serve(listener, app).await?;
+
+    Ok(())
+}