Merge pull request #4 from madhura68/fix/host-compatibility

fix: cross-host compat — idempotent groupadd, quoted env, ignore tarballs

.env.example

@@ -54,7 +54,7 @@ GH_PRECLONE_REPOS=madhura68/Scrum4Me,madhura68/scrum4me-mcp
 #
 # Voorbeeld voor madhura68:
 #   GIT_AUTHOR_EMAIL=12345678+madhura68@users.noreply.github.com
-GIT_AUTHOR_NAME=Scrum4Me Agent
+GIT_AUTHOR_NAME="Scrum4Me Agent"
 GIT_AUTHOR_EMAIL=vervang-mij@users.noreply.github.com
 
 # ----- Scrum4Me database ------------------------------------

.gitignore

@@ -20,3 +20,7 @@ Thumbs.db
 
 # Node (mocht je lokaal iets uitproberen)
 node_modules/
+
+# Build artefacts (local docker save tarballs)
+*.tar
+*.tar.gz

Dockerfile

@@ -67,11 +67,20 @@ RUN git clone --branch ${MCP_GIT_REF} --depth 1 \
 # admin op QNAP. Pas aan via build-arg als je een andere UID gebruikt.
 ARG AGENT_UID=1000
 ARG AGENT_GID=1000
-RUN groupadd -g ${AGENT_GID} agent \
-    && useradd  -u ${AGENT_UID} -g ${AGENT_GID} -m -s /bin/bash agent \
-    && mkdir -p /var/cache/repos /var/cache/npm /var/log/agent /var/run/agent \
-    && mkdir -p /home/agent/Projects /home/agent/.scrum4me-agent-worktrees \
-    && chown -R agent:agent /var/cache /var/log/agent /var/run/agent /home/agent
+RUN set -eux; \
+    if getent group "${AGENT_GID}" >/dev/null; then \
+        groupmod -n agent "$(getent group "${AGENT_GID}" | cut -d: -f1)"; \
+    else \
+        groupadd -g "${AGENT_GID}" agent; \
+    fi; \
+    if id -u "${AGENT_UID}" >/dev/null 2>&1; then \
+        usermod -l agent -d /home/agent -m -g "${AGENT_GID}" -s /bin/bash "$(id -nu "${AGENT_UID}")"; \
+    else \
+        useradd -u "${AGENT_UID}" -g "${AGENT_GID}" -m -s /bin/bash agent; \
+    fi; \
+    mkdir -p /var/cache/repos /var/cache/npm /var/log/agent /var/run/agent; \
+    mkdir -p /home/agent/Projects /home/agent/.scrum4me-agent-worktrees; \
+    chown -R agent:agent /var/cache /var/log/agent /var/run/agent /home/agent
 
 # ----- runner files ------------------------------------------------------
 WORKDIR /opt/agent