install claude and notifications

updates.d/70-claude.sh

@@ -0,0 +1,14 @@
+#!/bin/bash
+
+COREDESKTOP="$HOME/.local/share/coredesktop"
+
+# claude.sh has run if Claude Code is installed, ~/.local/bin is on PATH in
+# .bashrc, and the notification settings file exists
+if command -v claude &>/dev/null \
+    && grep -qF 'export PATH="$HOME/.local/bin:$PATH"' ~/.bashrc 2>/dev/null \
+    && [ -f "$HOME/.claude/settings.json" ]; then
+    echo "Claude Code already set up."
+else
+    echo "Setting up Claude Code..."
+    bash "$COREDESKTOP/claude.sh"
+fi