ci: Forgejo Actions workflow для Godot 4.6.3

При push на main:
- Скачивает Godot 4.6.3 headless Linux
- godot --import (проверка валидности проекта)
- godot --quit-after 30 (smoke-тест main.tscn)
- Проверка отсутствия SCRIPT ERROR / Parse Error в логах
- Проверка что main.gd напечатал boot-сообщение

.forgejo/workflows/build.yml

@@ -0,0 +1,62 @@
+name: Godot CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+  workflow_dispatch:
+
+env:
+  GODOT_VERSION: "4.6.3"
+
+jobs:
+  validate:
+    name: Import + smoke test
+    runs-on: docker
+    container:
+      image: ubuntu:22.04
+    steps:
+      - name: Install deps
+        run: |
+          apt-get update -qq
+          apt-get install -y -qq wget unzip ca-certificates git
+          rm -rf /var/lib/apt/lists/*
+
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Download Godot ${{ env.GODOT_VERSION }} headless
+        run: |
+          cd /tmp
+          wget -q "https://github.com/godotengine/godot/releases/download/${GODOT_VERSION}-stable/Godot_v${GODOT_VERSION}-stable_linux.x86_64.zip"
+          unzip -q "Godot_v${GODOT_VERSION}-stable_linux.x86_64.zip"
+          mv "Godot_v${GODOT_VERSION}-stable_linux.x86_64" /usr/local/bin/godot
+          chmod +x /usr/local/bin/godot
+          godot --version
+
+      - name: Import project
+        run: |
+          godot --headless --import 2>&1 | tee /tmp/import.log
+          if grep -E "SCRIPT ERROR|Parse Error|^ERROR" /tmp/import.log; then
+            echo "::error::Import has errors"
+            exit 1
+          fi
+
+      - name: Smoke test main scene (30 frames)
+        run: |
+          godot --headless --quit-after 30 2>&1 | tee /tmp/run.log
+          if grep -E "SCRIPT ERROR|Parse Error|^ERROR" /tmp/run.log; then
+            echo "::error::Runtime has errors"
+            exit 1
+          fi
+          if ! grep -q "Farming Simulator pre-alpha" /tmp/run.log; then
+            echo "::error::Expected boot message not found"
+            exit 1
+          fi
+
+      - name: Summary
+        run: |
+          echo "✅ Project imports cleanly"
+          echo "✅ Main scene boots without errors"
+          echo "✅ Expected viewport: 640x360"