feat: add 7zz for CHM documentation extraction

ai/Dockerfile

@@ -1,23 +0,0 @@
-FROM debian:13.4
-
-# Install uv (Python package manager), curl, poppler-utils, and imagemagick
-RUN apt-get update && \
-    apt-get install -y --no-install-recommends \
-        curl \
-        poppler-utils \
-        imagemagick && \
-    rm -rf /var/lib/apt/lists/*
-
-# Install uv if not already present (debian:13.4 doesn't ship it)
-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
-
-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

ai/hermes/Dockerfile

@@ -79,6 +79,39 @@ 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