start.example.sh: replace patch for-loop with run-patches.mjs

The unified runner provides a summary line, --check mode, and surfaces
failures by name. The for-loop had no error aggregation and no output
when patches were already applied.

start.example.sh

@@ -47,10 +47,7 @@ unset DEBUG
 # Normalize ActivityPub profile URL fields (icon/image/aliases) in MongoDB.
 "${NODE_BIN}" scripts/preflight-activitypub-profile-urls.mjs
 
-for patch in scripts/patch-*.mjs; do
-  echo "[startup] Applying patch: $patch"
-  "${NODE_BIN}" "$patch"
-done
+"${NODE_BIN}" scripts/run-patches.mjs
 
 "${NODE_BIN}" --require ./metrics-shim.cjs node_modules/@indiekit/indiekit/bin/cli.js serve --config indiekit.config.mjs &
 INDIEKIT_PID="$!"