chore: convert submodules to standard directories for true monorepo structure

vibn-agent-runner/Dockerfile

@@ -0,0 +1,46 @@
+FROM node:20-slim
+
+# Install ripgrep, git, and docker CLI
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    ripgrep \
+    git \
+    ca-certificates \
+    curl \
+    gnupg \
+    && install -m 0755 -d /etc/apt/keyrings \
+    && curl -fsSL https://download.docker.com/linux/debian/gpg | gpg --dearmor -o /etc/apt/keyrings/docker.gpg \
+    && chmod a+r /etc/apt/keyrings/docker.gpg \
+    && echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/debian $(. /etc/os-release && echo "$VERSION_CODENAME") stable" \
+       > /etc/apt/sources.list.d/docker.list \
+    && apt-get update \
+    && apt-get install -y --no-install-recommends docker-ce-cli \
+    && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /app
+
+# Install all deps including devDeps (tsc needs them).
+# Override NODE_ENV so Coolify's build-time NODE_ENV=production doesn't skip devDeps.
+COPY package*.json ./
+RUN NODE_ENV=development npm ci
+
+# Copy source and compile
+COPY tsconfig.json ./
+COPY src/ ./src/
+RUN npm run build
+
+# Prune dev deps after build
+RUN npm prune --omit=dev
+
+# Create workspace dir
+RUN mkdir -p /workspaces
+
+# Git identity for commits made by agents
+RUN git config --global user.email "agent@vibnai.com" && \
+    git config --global user.name "Vibn Agent Runner"
+
+EXPOSE 3333
+
+ENV NODE_ENV=production
+ENV PORT=3333
+
+CMD ["node", "dist/server.js"]