fix(framework): detect installed tool drift (#1194)

packages/mosaic/framework/tools/_scripts/mosaic-doctor

@@ -153,6 +153,23 @@ warn_if_symlink_tree_present() {
 
 echo "[mosaic-doctor] Mosaic home: $MOSAIC_HOME"
 
+# Compare the framework tools that this CLI/package ships with the deployed
+# ~/.config copy that direct wrappers and systemd units actually execute. Doctor
+# is the right boundary: observational, operator-invoked, and already designed
+# to report drift without mutating live tooling or restarting active seats.
+framework_drift_checker="$(cd -- "$(dirname -- "$0")/../quality/scripts" && pwd)/framework-drift-check.py"
+if [[ -f "$framework_drift_checker" ]]; then
+  echo "[mosaic-doctor] Checking installed framework-tool drift..."
+  if python3 "$framework_drift_checker" --installed-root "$MOSAIC_HOME/tools"; then
+    pass "Installed framework tools match shipped source"
+  else
+    drift_rc=$?
+    warn "Installed framework-tool drift detected (checker exit $drift_rc; no files changed)"
+  fi
+else
+  warn "Framework drift checker is absent from the shipped tools tree"
+fi
+
 # Canonical Mosaic checks
 expect_file "$MOSAIC_HOME/STANDARDS.md"
 expect_file "$MOSAIC_HOME/USER.md"