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/item_def.gd

@@ -0,0 +1,29 @@
+extends RefCounted
+class_name ItemDef
+
+# Base class for all Werkstatt items. Each item is its own .gd file in res://items/
+# that extends ItemDef and fills the fields in _init().
+# ItemDB auto-discovers all .gd files in res://items/ at first access.
+
+# ─── Pflichtfelder ────────────────────────────────────────────────────────────
+var id: String = ""
+var name: String = ""
+var name_en: String = ""
+var desc: String = ""
+var desc_en: String = ""
+var category: String = ""    # "WAFFENMODUL" | "HÜLLENMOD" | "ANTRIEBSMOD" | "SPEZIAL"
+var category_en: String = "" # "WEAPON MOD"  | "HULL MOD"  | "DRIVE MOD"   | "SPECIAL"
+var icon: String = "◈"
+var cost: int = 50
+var rarity: int = 0          # 0=Common, 1=Uncommon, 2=Rare, 3=Epic
+var effects: Dictionary = {} # ShipStats keys → multipliers/additives
+
+# ─── Visuelle Anhänge am Schiff ───────────────────────────────────────────────
+# Format: [[x_offset, y_offset, "color_key"], ...]
+# color_key muss ein Schlüssel in der Schiffs-Palette sein (nose, bright, mid,
+# dim, accent, edge, shadow) oder "white" / "red" / "yellow" / "green" als Fallback.
+var visual_pixels: Array = []
+
+# ─── Schiffswachstum ──────────────────────────────────────────────────────────
+# Nur Items mit hull_size_bonus > 0 vergrößern das Schiff.
+var hull_size_bonus: float = 0.0