🎉 Initial commit: PiAgentUI — AI Agent Desktop & Web UI

A professional workspace for AI coding agents with:
- Real-time streaming chat with SSE
- Session management (fork, clone, tree navigation)
- MCP tools browser & metadata panel
- Skills browser (global, project, package sources)
- Voice input & STT provider configuration
- Integrated terminal & file explorer
- Model selector with capability metadata
- Keyboard-first UI with command palette
- 8 languages (en, pt-BR, es, ja, zh-CN, ar, bn, hi)
- Tauri 2 desktop app
- React 19 + TypeScript + Vite 8 + Tailwind CSS 4
- Pi Agent extension runtime

Originally forked from OpenCodeUI, now an independent project.
License: GPL-3.0-only

.github/workflows/docker-frontend.yml

@@ -0,0 +1,71 @@
+name: Build & Push Frontend Docker Image
+
+on:
+  push:
+    branches: [main]
+    paths:
+      - 'src/**'
+      - 'public/**'
+      - 'index.html'
+      - 'package.json'
+      - 'package-lock.json'
+      - 'vite.config.ts'
+      - 'tsconfig*.json'
+      - 'docker/Dockerfile.frontend'
+      - 'docker/Caddyfile'
+      - 'docker/Caddyfile.standalone'
+  workflow_dispatch:
+
+concurrency:
+  group: docker-frontend-${{ github.ref }}
+  cancel-in-progress: true
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository_owner }}/opencodeui-frontend
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - uses: actions/checkout@v6
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to GHCR
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Docker metadata
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: |
+            type=raw,value=latest,enable={{is_default_branch}}
+            type=sha,prefix=
+            type=ref,event=branch
+
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          file: docker/Dockerfile.frontend
+          build-args: |
+            NPM_REGISTRY=https://registry.npmjs.org/
+            NPM_REGISTRY_FALLBACK=https://registry.npmmirror.com/
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max