feat: add 7zz for CHM documentation extraction

Reviewed-on: #30

ai/compose.yml

@@ -54,6 +54,10 @@ services:
       - TZ=America/Montreal
     volumes:
       - /mnt/HoardingCow_docker_data/Hermes/data:/opt/data
+      # Syncthing-shared org files — read-only view of user's agenda
+      - /mnt/HoardingCow_docker_data/Syncthing/telos-ro:/opt/data/telos-ro:ro
+      # Syncthing-shared inbox — write tasks here, they sync to user's laptop
+      - /mnt/HoardingCow_docker_data/Syncthing/telos-rw:/opt/data/telos-rw:rw
     devices:
       - /dev/kfd:/dev/kfd
       - /dev/dri:/dev/dri
@@ -63,6 +67,35 @@ services:
     networks:
       - ai_backend
 
+  syncthing:
+    image: syncthing/syncthing:latest
+    container_name: syncthing
+    hostname: syncthing
+    restart: always
+    ports:
+      - "8384:8384"
+      - "22000:22000"
+      - "21027:21027/udp"
+    environment:
+      - TZ=America/Montreal
+    volumes:
+      - /mnt/HoardingCow_docker_data/Syncthing/config:/var/syncthing/config
+      - /mnt/HoardingCow_docker_data/Syncthing/telos-ro:/telos-ro
+      - /mnt/HoardingCow_docker_data/Syncthing/telos-rw:/telos-rw
+    networks:
+      - ai_backend
+      - ai_net
+    labels:
+      - "traefik.enable=true"
+      - "traefik.http.routers.syncthing-http.rule=Host(`syncthing.lazyworkhorse.net`)"
+      - "traefik.http.routers.syncthing-http.entrypoints=web"
+      - "traefik.http.routers.syncthing-http.middlewares=redirect-to-https"
+      - "traefik.http.routers.syncthing-https.rule=Host(`syncthing.lazyworkhorse.net`)"
+      - "traefik.http.routers.syncthing-https.entrypoints=websecure"
+      - "traefik.http.routers.syncthing-https.tls=true"
+      - "traefik.http.routers.syncthing-https.tls.certresolver=njalla"
+      - "traefik.http.services.syncthing.loadbalancer.server.port=8384"
+
   ollama:
     build:
       context: ./ollama

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