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/routes/squad.rs

@@ -0,0 +1,49 @@
+use axum::{extract::State, Json};
+use serde_json::{json, Value};
+
+use crate::{
+    app::AppState,
+    error::AppResult,
+    models::squad::SaveSquadRequest,
+    services::{club as club_svc, profile as profile_svc, squad as squad_svc},
+};
+
+pub async fn get_squad(State(state): State<AppState>) -> AppResult<Json<Value>> {
+    let profile = profile_svc::get_active_profile(&state.pool).await?;
+    let club = club_svc::get_club_by_profile(&state.pool, &profile.id).await?;
+
+    let (squad, players) = squad_svc::get_squad(&state.pool, &club.id).await?;
+
+    let enriched: Vec<Value> = players
+        .iter()
+        .map(|sp| {
+            json!({
+                "squad_player_id": sp.id,
+                "owned_card_id": sp.owned_card_id,
+                "position_index": sp.position_index,
+                "is_captain": sp.is_captain,
+                "is_on_bench": sp.is_on_bench,
+            })
+        })
+        .collect();
+
+    Ok(Json(json!({
+        "squad": {
+            "id": squad.id,
+            "name": squad.name,
+            "formation": squad.formation,
+        },
+        "players": enriched,
+    })))
+}
+
+pub async fn post_squad(
+    State(state): State<AppState>,
+    Json(req): Json<SaveSquadRequest>,
+) -> AppResult<Json<Value>> {
+    let profile = profile_svc::get_active_profile(&state.pool).await?;
+    let club = club_svc::get_club_by_profile(&state.pool, &profile.id).await?;
+
+    let squad = squad_svc::save_squad(&state.pool, &club.id, &req).await?;
+    Ok(Json(json!({ "squad": squad })))
+}