feat: Integrated Stream asset and Kai animation system

DEVLOG.md

@@ -96,3 +96,38 @@ The "Probna Farma" scene is now a fully interactive, atmospheric prototype ready
 ## Next Steps
 - Finalize Health Bar design (Face icons vs Liquid).
 - Implement Camp and UI into the new Defold `main.collection`.
+
+# DEVLOG - 2026-01-28 (Evening Session)
+
+**Time**: 23:45:00
+**Session Goal**: Stream asset integration, Player animation, and Environmental Polish.
+
+## Achievements
+
+### 1. Animated Character (Kai)
+- Replaced the static character sprite with a full **256x256 Sprite Sheet**.
+- Implemented **4-Directional Movement Animation** (Walk Up, Down, Left, Right).
+- Adjusted physics bounding box and offsets to match the new 160px height scale.
+
+### 2. Stream Integration (The "Dirty Canal")
+- **Asset Processing**:
+    - Processed `stream_pipe.png` from source reference.
+    - **Advanced Cleaning**: Used GrabCut and custom masking (`clean_pipe_stream_gentle.py`) to remove the background while preserving internal details (muddy banks).
+    - **"Burying" Technique**: Algorithmically removed the outer isometric walls so the stream sits flat on the terrain surface, eliminating the "floating wall" effect.
+    - **Drain Hole Fix**: Ensured the pipe's drain grate is opaque and dark, preventing grass from showing through.
+- **Scene Implementation**:
+    - Placed the stream as a static physics object.
+    - Added **Collision Detection** between Kai and the Stream (player stops at water's edge).
+    - Experimented with modular slicing (Head/Body) but reverted to a single robust asset to insure stability for the demo.
+
+### 3. Scene Organization
+- **Camp Restoration**: Restored the Tent, Campfire, and Sleeping bag placement with proper Z-sorting/Depth.
+- **Bug Fixes**: Resolved a critical crash caused by adding collision before the player object was instantiated.
+
+## Current State
+- Kai walks with animation.
+- A "dirty pipe stream" flows out of a grate, properly integrated into the ground (no visible outer walls).
+- Player interacts with the environment (collides with water).
+
+---
+*Signed: Antigravity Agent*