feat(ai): add chromium, xvfb, fonts, and runtime libraries for headless browser automation

ai/Dockerfile

@@ -1,14 +1,23 @@
 FROM debian:13.4
 
-# Install uv (Python package manager), curl, poppler-utils, and imagemagick
+# Install system dependencies for Hermes agent with headless browser automation
+# Single RUN layer to minimize image size.
+#   PR #7 base: curl, poppler-utils, imagemagick for document processing
+#   New: chromium + xvfb for headless browser automation
+#   New: fonts for comprehensive Unicode/CJK/emoji coverage
+#   New: runtime libs required by Chromium
 RUN apt-get update && \
     apt-get install -y --no-install-recommends \
         curl \
         poppler-utils \
-        imagemagick && \
+        imagemagick \
+        chromium \
+        xvfb \
+        fonts-noto-color-emoji fonts-unifont fonts-liberation fonts-ipafont-gothic fonts-wqy-zenhei fonts-tlwg-loma-otf fonts-freefont-ttf \
+        libasound2t64 libatk-bridge2.0-0t64 libatk1.0-0t64 libatspi2.0-0t64 libcairo2 libcups2t64 libdbus-1-3 libdrm2 libgbm1 libglib2.0-0t64 libnspr4 libnss3 libpango-1.0-0 libx11-6 libxcb1 libxcomposite1 libxdamage1 libxext6 libxfixes3 libxkbcommon0 libxrandr2 && \
     rm -rf /var/lib/apt/lists/*
 
-# Install uv if not already present (debian:13.4 doesn't ship it)
+# Install uv (Python package manager)
 COPY --from=ghcr.io/astral-sh/uv:latest /usr/local/bin/uv /usr/local/bin/uv
 RUN uv --version
 
@@ -18,6 +27,7 @@ RUN curl --version && \
     pdfinfo -v 2>&1 | head -1 && \
     pdftoppm -v 2>&1 | head -1 && \
     convert --version | head -1 && \
-    identify --version | head -1
+    identify --version | head -1 && \
+    chromium --version
 
 CMD ["/bin/bash"]

ai/compose.yml

@@ -129,22 +129,6 @@ services:
       - "303"
       - "26"
 
-  paperclip-db:
-    image: postgres:17
-    container_name: paperclip-db
-    restart: always
-    environment:
-      - POSTGRES_PASSWORD=${PAPERCLIP_DB_PASSWORD}
-    healthcheck:
-      test: ["CMD-SHELL", "pg_isready -U postgres"]
-      interval: 5s
-      timeout: 5s
-      retries: 10
-    volumes:
-      - /mnt/HoardingCow_docker_data/Paperclip/db:/var/lib/postgresql/data
-    networks:
-      - ai_backend
-
 networks:
   ai_net:
     external: true