Pi Web as Claude Code Desktop: composer, panes (Changes, Browser, Files, Terminal), the machine's Chromium for the Browser pane and the agent's browser tools

Dockerfile

@@ -24,15 +24,28 @@ RUN UV_TOOL_DIR=/opt/uv-tools UV_TOOL_BIN_DIR=/usr/local/bin uv tool install --p
  && rm -rf /root/.claude /root/.cache/huggingface \
  && ls /root/.agents/skills
 
+# A real Chromium for Pi Web's Browser pane and the agent's browser_* tools (lib/browser): the
+# revision playwright-core 1.63.0 drives (Pi Web's own dependency), with the system libraries
+# and fonts it needs. Pi Web finds it through PLAYWRIGHT_BROWSERS_PATH.
+ARG PLAYWRIGHT_VERSION=1.63.0
+ENV PLAYWRIGHT_BROWSERS_PATH=/opt/pw-browsers
+RUN npx -y "playwright-core@${PLAYWRIGHT_VERSION}" install --with-deps --no-shell chromium \
+ && apt-get update && apt-get install -y --no-install-recommends fonts-noto-color-emoji \
+ && rm -rf /var/lib/apt/lists/* /root/.npm \
+ && chmod -R a+rX /opt/pw-browsers \
+ && ls /opt/pw-browsers
+
 # git authenticates to huggingface.co with the token lent by the sign-in, if any.
 COPY sandbox/git-credential-huggingface /usr/local/bin/git-credential-huggingface
 RUN chmod 755 /usr/local/bin/git-credential-huggingface \
  && git config --system credential.https://huggingface.co.helper /usr/local/bin/git-credential-huggingface \
  && git config --system credential.https://hf.co.helper /usr/local/bin/git-credential-huggingface
 
-# Pi Web 0.12.1 with the "Pi Web on Hugging Face" design (piweb/hf-design.patch: Geist type,
-# the pi mark, IBM Carbon icons, Claude Desktop's button sizes and conversation layout, borderless components,
-# a sidebar slot for the gateway's workspace menu), built
+# Pi Web 0.12.1 with the "Pi Web on Hugging Face" design (piweb/hf-design.patch: Claude Code
+# Desktop's layout on Base UI: the composer with its "/" and "@" lists, modes and context meter;
+# the header's panes: Changes with review comments, the machine's Browser, Files, Terminal; the
+# Hugging Face connector; Geist type, the pi mark, IBM Carbon icons, a sidebar slot for the
+# gateway's workspace menu), built
 # from its release tag and installed as its npm package would be. The patch is the diff of
 # the hf-design branch in the project's pi-web-hf/ worktree; nothing else is changed.
 # Next runs one build worker per CPU but one (CIRCLE_NODE_TOTAL stands in for the CPU count): on