fix: add WORKDIR and httpx dependency to Hermes Dockerfile

- Add explicit WORKDIR /opt/hermes after FROM instruction
- Add httpx to pip install for OpenViking plugin support

Acceptance: Docker image builds with WORKDIR=/opt/hermes
and httpx available in the venv.

ai/compose.yml

@@ -32,7 +32,7 @@ services:
         - default
     container_name: hermes
     entrypoint: ["/bin/bash", "-c",
-      "bash /opt/data/hermes-tools/install.sh && exec /usr/bin/tini -g -- /opt/hermes/docker/entrypoint.sh \"$@\"",
+      "bash /opt/data/hermes-tools/install.sh && /opt/hermes/.venv/bin/uv pip install openai mautrix[encryption] --system -q && exec /usr/bin/tini -g -- /opt/hermes/docker/entrypoint.sh \"$@\"",
       "hermes-entrypoint"]
     restart: always
     # Gateway run enables the internal API server on port 8642
@@ -58,6 +58,8 @@ services:
       - /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
+      # Persistent venv — Matrix bridge and other pip deps survive container rebuilds
+      - /mnt/HoardingCow_docker_data/Hermes/venv:/opt/hermes/.venv
     devices:
       - /dev/kfd:/dev/kfd
       - /dev/dri:/dev/dri

ai/hermes/Dockerfile

@@ -9,6 +9,8 @@
 # ---------- Base: official Hermes image (system deps, npm, uv, Playwright) ----------
 FROM nousresearch/hermes-agent:latest
 
+WORKDIR /opt/hermes
+
 # ---------- Overlay our forked source ----------
 # Uses SSH agent forwarding from the build host (no key baked into image).
 # --exclude node_modules/.venv keeps the base image's pre-built layers intact.
@@ -50,7 +52,7 @@ COPY --chmod=0755 --from=ghcr.io/astral-sh/uv:latest /uv /usr/local/bin/
 
 # ---------- Piper TTS ----------
 RUN . /opt/hermes/.venv/bin/activate && \
-    uv pip install --no-cache-dir piper-tts sounddevice numpy && \
+    uv pip install --no-cache-dir piper-tts sounddevice numpy httpx && \
     mkdir -p /opt/hermes/.venv/share/piper/voices
 
 RUN /opt/hermes/.venv/bin/python3 /dev/stdin << 'PYEOF'