feat: add Himalaya email CLI to Hermes Docker image

ai/hermes/Dockerfile

@@ -61,6 +61,24 @@ urllib.request.urlretrieve(url, base + '/en_US-ryan-high.onnx')
 urllib.request.urlretrieve(url + '.json', base + '/en_US-ryan-high.onnx.json')
 PYEOF
 
+# ---------- Install Himalaya email CLI ----------
+RUN /opt/hermes/.venv/bin/python3 /dev/stdin << 'PYEOF'
+import urllib.request, tarfile, os, shutil
+url = 'https://github.com/pimalaya/himalaya/releases/download/v1.2.0/himalaya.x86_64-linux.tgz'
+tgz = '/tmp/himalaya.tgz'
+urllib.request.urlretrieve(url, tgz)
+with tarfile.open(tgz) as t:
+    t.extractall('/tmp')
+shutil.move('/tmp/himalaya', '/usr/local/bin/himalaya')
+os.chmod('/usr/local/bin/himalaya', 0o755)
+os.remove(tgz)
+print('himalaya v1.2.0 installed')
+PYEOF
+
+# ---------- Install himalaya-ro wrapper ----------
+COPY --chmod=0755 himalaya-ro.sh /usr/local/bin/himalaya-ro
+
+
 # ---------- Runtime ----------
 USER hermes
 ENV HERMES_HOME=/opt/data