Update Dockerfile

Dockerfile

@@ -43,6 +43,20 @@ RUN make -j$(nproc) build ARCH=x86-64 && \
     cp stockfish /app/engine/deepcastle && \
     chmod +x /app/engine/deepcastle
 
+# ============================================================
+# LAUNCHER PREPARATION (The Search & Destroy Fix)
+# ============================================================
+WORKDIR /app
+RUN echo "Searching for Launcher (main.py)..." && \
+    LAUNCHER_PATH=$(find /app -name "main.py" | head -n 1) && \
+    if [ -n "$LAUNCHER_PATH" ]; then \
+        echo "Found launcher at: $LAUNCHER_PATH. Copying to root..."; \
+        cp "$LAUNCHER_PATH" /app/launcher.py; \
+    else \
+        echo "CRITICAL ERROR: main.py not found in the repository!"; \
+        exit 1; \
+    fi
+
 # ============================================================
 # BRAIN PLACEMENT (The Neural Sync)
 # ============================================================