diff --git a/images/antigravity-selkies/Dockerfile b/images/antigravity-selkies/Dockerfile
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+++ b/images/antigravity-selkies/Dockerfile
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+# StreamSpace Google Antigravity with Selkies-GStreamer (WebRTC)
+#
+# Google Antigravity is an AI-agent-first IDE (VS Code fork with deep
+# Gemini integration). Distributed via Google Cloud Artifact Registry's
+# apt repo — a different pattern from Chrome's dl.google.com / Mozilla's
+# packages.mozilla.org. The "antigravity-debian" suite name applies on
+# Ubuntu noble too.
+
+FROM ghcr.io/streamspace-dev/selkies-base:latest
+
+LABEL org.opencontainers.image.title="StreamSpace Google Antigravity"
+LABEL org.opencontainers.image.description="Google Antigravity AI IDE with Selkies-GStreamer (WebRTC) streaming for StreamSpace"
+LABEL org.opencontainers.image.version="1.0.0"
+LABEL org.opencontainers.image.vendor="StreamSpace"
+LABEL org.opencontainers.image.source="https://github.com/streamspace-dev/streamspace-templates"
+
+USER root
+ARG DEBIAN_FRONTEND=noninteractive
+
+RUN set -eux; \
+    install -d -m 0755 /etc/apt/keyrings; \
+    curl -fsSL https://us-central1-apt.pkg.dev/doc/repo-signing-key.gpg \
+        | gpg --dearmor -o /etc/apt/keyrings/antigravity-repo-key.gpg; \
+    echo "deb [signed-by=/etc/apt/keyrings/antigravity-repo-key.gpg] https://us-central1-apt.pkg.dev/projects/antigravity-auto-updater-dev/ antigravity-debian main" \
+        > /etc/apt/sources.list.d/antigravity.list; \
+    apt-get update && apt-get install -y --no-install-recommends antigravity; \
+    apt-get clean && rm -rf /var/lib/apt/lists/*
+
+USER user
+
+# Electron — needs --no-sandbox in unprivileged containers.
+CMD ["antigravity", "--no-sandbox"]
diff --git a/images/antigravity-selkies/PLATFORMS b/images/antigravity-selkies/PLATFORMS
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+++ b/images/antigravity-selkies/PLATFORMS
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+linux/amd64
diff --git a/selkies/antigravity-selkies.yaml b/selkies/antigravity-selkies.yaml
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+++ b/selkies/antigravity-selkies.yaml
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+apiVersion: stream.space/v1alpha1
+kind: Template
+metadata:
+  name: antigravity-selkies
+  namespace: workspaces
+  labels:
+    app.kubernetes.io/name: antigravity-selkies
+    app.kubernetes.io/component: template
+    streamspace.io/category: development
+    streamspace.io/streaming-protocol: selkies
+  annotations:
+    streamspace.dev/image-status: published
+spec:
+  displayName: Google Antigravity
+  description: Google Antigravity AI-agent-first IDE (VS Code fork with Gemini integration) streamed via Selkies-GStreamer (WebRTC).
+  category: Development
+  icon: https://raw.githubusercontent.com/streamspace-dev/streamspace/main/ui/public/icons/antigravity.svg
+  baseImage: ghcr.io/streamspace-dev/antigravity-selkies:latest
+  streamingProtocol: selkies
+  defaultResources:
+    requests:
+      memory: 4Gi
+      cpu: 2000m
+    limits:
+      memory: 8Gi
+      cpu: 4000m
+  ports:
+  - name: selkies
+    containerPort: 8080
+    protocol: TCP
+  env:
+  - name: TZ
+    value: UTC
+  - name: DISPLAY_SIZEW
+    value: '1920'
+  - name: DISPLAY_SIZEH
+    value: '1080'
+  - name: SELKIES_ENABLE_AUDIO
+    value: 'false'
+  capabilities:
+  - Network
+  - Clipboard
+  tags:
+  - development
+  - ide
+  - ai
+  - gemini
+  - antigravity
+  - selkies