feat: initial mosaic bootstrap framework

install.sh

@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+SOURCE_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+TARGET_DIR="${MOSAIC_HOME:-$HOME/.mosaic}"
+
+mkdir -p "$TARGET_DIR"
+
+if command -v rsync >/dev/null 2>&1; then
+  rsync -a --delete "$SOURCE_DIR/" "$TARGET_DIR/"
+else
+  rm -rf "$TARGET_DIR"/*
+  cp -R "$SOURCE_DIR"/* "$TARGET_DIR"/
+fi
+
+chmod +x "$TARGET_DIR"/bin/*
+chmod +x "$TARGET_DIR"/install.sh
+
+echo "[mosaic-install] Installed framework to $TARGET_DIR"
+echo "[mosaic-install] Add to PATH: export PATH=\"$TARGET_DIR/bin:$PATH\""