Add Activepieces integration for workflow automation

- Add Activepieces fork with SmoothSchedule custom piece
- Create integrations app with Activepieces service layer
- Add embed token endpoint for iframe integration
- Create Automations page with embedded workflow builder
- Add sidebar visibility fix for embed mode
- Add list inactive customers endpoint to Public API
- Include SmoothSchedule triggers: event created/updated/cancelled
- Include SmoothSchedule actions: create/update/cancel events, list resources/services/customers

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

activepieces-fork/Dockerfile

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+FROM node:20.19-bullseye-slim AS base
+
+# Set environment variables early for better layer caching
+ENV LANG=en_US.UTF-8 \
+    LANGUAGE=en_US:en \
+    LC_ALL=en_US.UTF-8 \
+    NX_DAEMON=false \
+    NX_NO_CLOUD=true
+
+# Install all system dependencies in a single layer with cache mounts
+RUN --mount=type=cache,target=/var/cache/apt,sharing=locked \
+    --mount=type=cache,target=/var/lib/apt,sharing=locked \
+    apt-get update && \
+    apt-get install -y --no-install-recommends \
+        openssh-client \
+        python3 \
+        g++ \
+        build-essential \
+        git \
+        poppler-utils \
+        poppler-data \
+        procps \
+        locales \
+        locales-all \
+        unzip \
+        curl \
+        ca-certificates \
+        libcap-dev && \
+    yarn config set python /usr/bin/python3
+
+RUN export ARCH=$(uname -m) && \
+    if [ "$ARCH" = "x86_64" ]; then \
+      curl -fSL https://github.com/oven-sh/bun/releases/download/bun-v1.3.1/bun-linux-x64-baseline.zip -o bun.zip; \
+    elif [ "$ARCH" = "aarch64" ]; then \
+      curl -fSL https://github.com/oven-sh/bun/releases/download/bun-v1.3.1/bun-linux-aarch64.zip -o bun.zip; \
+    fi
+    
+RUN unzip bun.zip \
+    && mv bun-*/bun /usr/local/bin/bun \
+    && chmod +x /usr/local/bin/bun \
+    && rm -rf bun.zip bun-*
+
+RUN bun --version
+
+# Install global npm packages in a single layer
+RUN --mount=type=cache,target=/root/.npm \
+    npm install -g --no-fund --no-audit \
+    node-gyp \
+    npm@9.9.3 \
+    pm2@6.0.10 \
+    typescript@4.9.4
+
+# Install isolated-vm globally (needed for sandboxes)
+RUN --mount=type=cache,target=/root/.bun/install/cache \
+    cd /usr/src && bun install isolated-vm@5.0.1
+
+### STAGE 1: Build ###
+FROM base AS build
+
+WORKDIR /usr/src/app
+
+# Copy only dependency files first for better layer caching
+COPY .npmrc package.json bun.lock ./
+
+# Install all dependencies with frozen lockfile
+RUN --mount=type=cache,target=/root/.bun/install/cache \
+    bun install --frozen-lockfile
+
+# Copy source code after dependency installation
+COPY . .
+
+# Build all projects including the SmoothSchedule piece
+RUN npx nx run-many --target=build --projects=react-ui,server-api,pieces-smoothschedule --configuration production --parallel=2 --skip-nx-cache
+
+# Install production dependencies only for the backend API
+RUN --mount=type=cache,target=/root/.bun/install/cache \
+    cd dist/packages/server/api && \
+    bun install --production --frozen-lockfile
+
+# Install dependencies for the SmoothSchedule piece
+RUN --mount=type=cache,target=/root/.bun/install/cache \
+    cd dist/packages/pieces/community/smoothschedule && \
+    bun install --production
+
+### STAGE 2: Run ###
+FROM base AS run
+
+WORKDIR /usr/src/app
+
+# Install Nginx and gettext in a single layer with cache mount
+RUN --mount=type=cache,target=/var/cache/apt,sharing=locked \
+    --mount=type=cache,target=/var/lib/apt,sharing=locked \
+    apt-get update && \
+    apt-get install -y --no-install-recommends nginx gettext
+
+# Copy static configuration files first (better layer caching)
+COPY nginx.react.conf /etc/nginx/nginx.conf
+COPY --from=build /usr/src/app/packages/server/api/src/assets/default.cf /usr/local/etc/isolate
+COPY docker-entrypoint.sh .
+
+# Create all necessary directories in one layer
+RUN mkdir -p \
+    /usr/src/app/dist/packages/server \
+    /usr/src/app/dist/packages/engine \
+    /usr/src/app/dist/packages/shared \
+    /usr/src/app/dist/packages/pieces && \
+    chmod +x docker-entrypoint.sh
+
+# Copy built artifacts from build stage
+COPY --from=build /usr/src/app/LICENSE .
+COPY --from=build /usr/src/app/dist/packages/engine/ ./dist/packages/engine/
+COPY --from=build /usr/src/app/dist/packages/server/ ./dist/packages/server/
+COPY --from=build /usr/src/app/dist/packages/shared/ ./dist/packages/shared/
+COPY --from=build /usr/src/app/dist/packages/pieces/ ./dist/packages/pieces/
+COPY --from=build /usr/src/app/packages ./packages
+
+# Copy frontend files to Nginx document root
+COPY --from=build /usr/src/app/dist/packages/react-ui /usr/share/nginx/html/
+
+LABEL service=activepieces
+
+ENTRYPOINT ["./docker-entrypoint.sh"]
+EXPOSE 80