fix(pi): prepare runtime state and agent workdir

bot_bottle/contrib/pi/Dockerfile

@@ -6,11 +6,11 @@ FROM node:22-slim
 
 RUN apt-get update \
   && apt-get install -y --no-install-recommends \
-    git \
-    ca-certificates \
-    curl \
-    fd-find \
-    ripgrep \
+  git \
+  ca-certificates \
+  curl \
+  fd-find \
+  ripgrep \
   && ln -s /usr/bin/fdfind /usr/local/bin/fd \
   && rm -rf /var/lib/apt/lists/*
 
@@ -21,9 +21,21 @@ RUN apt-get update \
 RUN npm install -g --ignore-scripts --no-fund --no-audit @earendil-works/pi-coding-agent \
   && npm cache clean --force
 
+RUN mkdir -p /home/node/.pi/agent \
+  /home/node/.pi/context-mode/sessions \
+  /tmp/pi-subagents-uid-1000 \
+  && chown -R node:node /home/node/.pi /tmp \
+  && chmod -R u+rwX /tmp \
+  && chown root:root /tmp /var/tmp \
+  && chmod 1777 /tmp /var/tmp
+
 USER node
 WORKDIR /home/node
 
-RUN mkdir -p /home/node/.pi/agent
+RUN pi install npm:@harms-haus/pi-cwd \
+  && pi install npm:pi-web-access \
+  && pi install npm:context-mode \
+  && pi install npm:pi-subagents \
+  && pi install npm:pi-mcp-adapter
 
 CMD ["pi"]