fix: handle tool result follow-up requests

fix: use node user and single /data volume for everything

fix: ensure /data dir is writable by non-root user

fix: run as non-root user in Docker

fix: add persistent volume for Claude CLI credentials

fix: rename session cookie to cmp_session to avoid collision

fix: multi-stage Dockerfile for CI builds

fix: exclude integration tests from CI

fix: remove broken activity chart from dashboard

fix: show cache hit rate with one decimal to avoid misleading 100%

test: add comprehensive integration test suite

feat: include conversation history in SDK prompt

fix: add stale session retry and streaming tool improvements

fix: redesign dashboard with accurate token display

feat: move dashboard to root path with inline auth