chore: Update LDtk project with new layers and fixed assets dimensions (using sips)

godot/biomes/biome_npcs/grassland/README.md

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+# 🌾 GRASSLAND NPCs - Reference Images
+**Biome:** Grassland  
+**Phase:** 1 (Core Biomes)  
+**Total NPCs:** 7  
+**Status:** ✅ Complete
+
+---
+
+## 📋 NPC LIST
+
+### 1. Farmer Jožef
+**File:** `01_farmer_jozef.png`  
+**Role:** Local farmer  
+**Age:** 45  
+**Description:** Weathered Slovenian farmer, straw hat, work clothes with patches, holding pitchfork, nose ring, kind but tired expression.
+
+---
+
+### 2. Farmer Marija
+**File:** `02_farmer_marija.png`  
+**Role:** Local farmer  
+**Age:** 40  
+**Description:** Traditional peasant woman, headscarf and apron, basket of vegetables, ear piercings, gentle motherly vibe.
+
+---
+
+### 3. Seed Merchant
+**File:** `03_seed_merchant.png`  
+**Role:** Traveling seed trader  
+**Age:** 55  
+**Description:** Grey beard, worn merchant coat, burlap sack of seeds, multiple ear piercings, chain necklace, friendly salesman.
+
+---
+
+### 4. Field Worker
+**File:** `04_field_worker.png`  
+**Role:** Farm laborer  
+**Age:** 25  
+**Description:** Young muscular worker, torn shirt and work pants, muddy boots, eyebrow piercing, arm tattoo, determined expression.
+
+---
+
+### 5. Shepherd
+**File:** `05_shepherd.png`  
+**Role:** Traditional shepherd  
+**Age:** 60  
+**Description:** Long grey beard, wooden walking stick, sheepskin vest, ear gauges, multiple piercings, calm wise elder.
+
+---
+
+### 6. Livestock Trader
+**File:** `06_livestock_trader.png`  
+**Role:** Animal trader  
+**Age:** 35  
+**Description:** Female trader, practical work clothes, rope around waist, nose ring, ear piercings, small tattoo, confident businesswoman.
+
+---
+
+### 7. Wandering Townsfolk
+**File:** `07_wandering_townsfolk.png`  
+**Role:** Generic villager  
+**Age:** 30  
+**Description:** Simple medieval clothes with patches, traveler's backpack, lip ring, chain bracelet, curious friendly expression.
+
+---
+
+## 🎨 STYLE SPECIFICATIONS
+
+**Art Style:** Cult of the Lamb cute-dark gothic aesthetic  
+**Key Features:**
+- Very thick black outlines (4-5px)
+- Chibi proportions (head = 1/3 body)
+- Flat colors (no gradients)
+- Red glowing eyes WITH visible pupils
+- Pastel + dark gothic combo
+- Edgy details (piercings, tattoos, patches)
+
+**Background:** Transparent PNG  
+**Copyright:** "Krvava Žetev (Dolina Smrti)" © 2026
+
+---
+
+**Generated:** 06.01.2026  
+**Status:** Ready for sprite production