chore: no idea?

claude-code/install.sh

@@ -73,4 +73,20 @@ if command -v git >/dev/null 2>&1 && [ -f "${PERSIST_GITIGNORE_GLOBAL}" ]; then
   fi
 fi
 
+# Keep the add-on's own artifacts out of this project's git, via a managed block in
+# .git/info/exclude. Runs every time so the list follows the add-on, not a file that
+# was copied once. Never fatal: a project need not be a git checkout.
+if [ -x "${PERSIST_BASE}/git-exclude.sh" ]; then
+  "${PERSIST_BASE}/git-exclude.sh" || true
+fi
+
+# Sibling-repo mirrors, opt-in via .ddev/claude-refs.txt. Setup is local and quick;
+# the sync runs detached so neither ddev start nor ddev claude waits on the network,
+# and refs-sync.sh throttles itself.
+REFS_SYNC="${PERSIST_BASE}/refs-sync.sh"
+if [ -f "${DDEV_APPROOT}/.ddev/claude-refs.txt" ] && [ -x "${REFS_SYNC}" ]; then
+  "${REFS_SYNC}" --setup-only || echo "claude-refs: setup failed, continuing" >&2
+  CLAUDE_REFS_DETACHED=1 setsid nohup "${REFS_SYNC}" >/dev/null 2>&1 </dev/null &
+fi
+
 echo "Claude Code version: $("${PERSIST_BIN}" --version)"