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

ai/Dockerfile

@@ -0,0 +1,33 @@
+FROM debian:13.4
+
+# 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 \
+        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 (Python package manager)
+COPY --from=ghcr.io/astral-sh/uv:latest /usr/local/bin/uv /usr/local/bin/uv
+RUN uv --version
+
+# Verify all expected tools are available
+RUN curl --version && \
+    pdftotext -v 2>&1 | head -1 && \
+    pdfinfo -v 2>&1 | head -1 && \
+    pdftoppm -v 2>&1 | head -1 && \
+    convert --version | head -1 && \
+    identify --version | head -1 && \
+    chromium --version
+
+CMD ["/bin/bash"]

ai/hermes/Dockerfile

@@ -79,39 +79,6 @@ PYEOF
 COPY --chmod=0755 himalaya-ro.sh /usr/local/bin/himalaya-ro
 
 
-# ---------- Install 7-Zip (7zz) for CHM extraction ----------
-RUN /opt/hermes/.venv/bin/python3 /dev/stdin << 'PYEOF'
-import urllib.request, tarfile, os, shutil, re, subprocess
-
-# Scrape 7-zip.org for latest Linux x64 binary link
-url = 'https://7-zip.org/download.html'
-req = urllib.request.Request(url, headers={'User-Agent': 'Mozilla/5.0'})
-r = urllib.request.urlopen(req, timeout=15)
-html = r.read().decode()
-match = re.search(r'href="(a/7z[\d]+-linux-x64\.tar\.xz)"', html)
-if not match:
-    raise RuntimeError('Could not find 7z Linux x64 download link on 7-zip.org')
-dl_url = f'https://7-zip.org/{match.group(1)}'
-
-# Follow Himalaya pattern: download, extract, install, verify
-xz = '/tmp/7z.tar.xz'
-urllib.request.urlretrieve(dl_url, xz)
-os.makedirs('/tmp/7z', exist_ok=True)
-with tarfile.open(xz, 'r:xz') as t:
-    t.extractall('/tmp/7z')
-shutil.move('/tmp/7z/7zz', '/usr/local/bin/7zz')
-os.chmod('/usr/local/bin/7zz', 0o755)
-shutil.rmtree('/tmp/7z', ignore_errors=True)
-os.remove(xz)
-
-# Verify
-result = subprocess.run(['/usr/local/bin/7zz'], capture_output=True, text=True)
-assert result.returncode == 0, f'7zz verify failed: {result.stderr}'
-version = result.stdout.split()[2] if result.stdout else 'unknown'
-print(f'7-Zip {version} installed successfully')
-PYEOF
-
-
 # ---------- Runtime ----------
 USER hermes
 ENV HERMES_HOME=/opt/data