Initial commit — Godot space roguelite source

- Touch controls: direct InputEventScreenTouch in shop_ui (bypass relay)
- ItemDB: static preload list instead of DirAccess scan (export fix)
- All 18 items with EN localisation (name_en, desc_en, category_en)
- Ship playstyles: NOVA-1 shield, INFERNO ram, AURORA agile/tank
- Quasar: SMBH visual, jet boost, merge, push, BH-eating
- Atlas & UI text updated EN+DE

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

scripts/leaderboard.gd

@@ -0,0 +1,56 @@
+extends Node
+
+const MAX_ENTRIES := 10
+const SAVE_PATH   := "user://leaderboard.cfg"
+
+var _scores: Array = []
+
+func _ready() -> void:
+	_load()
+
+func add_score(player_name: String, score: int, wave: int) -> void:
+	var entry := {
+		"name":  player_name.strip_edges().left(12),
+		"score": score,
+		"wave":  wave,
+		"date":  Time.get_date_string_from_system()
+	}
+	_scores.append(entry)
+	_scores.sort_custom(func(a: Dictionary, b: Dictionary) -> bool:
+		return a["score"] > b["score"])
+	if _scores.size() > MAX_ENTRIES:
+		_scores.resize(MAX_ENTRIES)
+	_save()
+
+func get_scores() -> Array:
+	return _scores
+
+func is_highscore(score: int) -> bool:
+	if _scores.size() < MAX_ENTRIES:
+		return true
+	return score > (_scores[-1] as Dictionary).get("score", 0)
+
+func _save() -> void:
+	var cfg := ConfigFile.new()
+	for i: int in _scores.size():
+		var e: Dictionary = _scores[i]
+		cfg.set_value("entry_%d" % i, "name",  e.get("name",  "???"))
+		cfg.set_value("entry_%d" % i, "score", e.get("score", 0))
+		cfg.set_value("entry_%d" % i, "wave",  e.get("wave",  1))
+		cfg.set_value("entry_%d" % i, "date",  e.get("date",  ""))
+	cfg.save(SAVE_PATH)
+
+func _load() -> void:
+	_scores = []
+	var cfg := ConfigFile.new()
+	if cfg.load(SAVE_PATH) != OK:
+		return
+	var i := 0
+	while cfg.has_section("entry_%d" % i):
+		_scores.append({
+			"name":  cfg.get_value("entry_%d" % i, "name",  "???"),
+			"score": cfg.get_value("entry_%d" % i, "score", 0),
+			"wave":  cfg.get_value("entry_%d" % i, "wave",  1),
+			"date":  cfg.get_value("entry_%d" % i, "date",  "")
+		})
+		i += 1