feat: team indeling endpoint + proposed_teams field

server.js

@@ -363,6 +363,29 @@ app.delete("/api/matches/:id", (req, res) => {
   res.json({ ok: true });
 });
 
+// ─── TEAM INDELING (voorgesteld) ───
+app.post("/api/matches/:id/teams", (req, res) => {
+  let m = db.getMatch(String(req.params.id));
+  if (!m) return res.status(404).json({ error: "match not found" });
+  const { team1, team2 } = req.body;
+  if (!Array.isArray(team1) || !Array.isArray(team2))
+    return res.status(400).json({ error: "team1 and team2 must be arrays" });
+  const allIds = [...team1, ...team2];
+  if (allIds.length !== 4)
+    return res.status(400).json({ error: "expected 4 players total" });
+  db.updateMatch(String(req.params.id), { proposed_teams: { team1, team2 } });
+  m = db.getMatch(String(req.params.id));
+  const playerIds = (m.players || []).map(p => p.id);
+  res.json({ ...m, players: playerIds, players_array: m.players });
+});
+
+app.get("/api/matches/:id/teams", (req, res) => {
+  const m = db.getMatch(String(req.params.id));
+  if (!m) return res.status(404).json({ error: "match not found" });
+  const teams = m.proposed_teams || null;
+  res.json({ teams, match: { id: m.id, date: m.date, start: m.start, status: m.status } });
+});
+
 // ─── SCORES ───
 app.post("/api/matches/:id/score", (req, res) => {
   let m = db.getMatch(String(req.params.id));