chore: trim distribution clutter and add lint/test tooling

Keep only example workflows in default/, move site-specific YAMLs to gitignored local/, remove the duplicate get-current-time plugin install, document personal plugins, clarify PM2 ecosystem usage, add shared Vitest and web ESLint, and extract OpsStatusCard for ops cards.

Co-authored-by: Cursor <cursoragent@cursor.com>

.gitignore

@@ -1,4 +1,5 @@
 node_modules/
+.pnpm-store/
 data/
 logs/
 *.db
@@ -9,6 +10,9 @@ packages/web/dist
 # Personal/local scripts and workflows (not for the repo)
 debug-*.js
 
+# Site-specific workflows (keep examples in workflows/default/)
+packages/server/workflows/local/
+
 # Plugin install staging and per-plugin deps
 plugins/.staging-*
 plugins/*/node_modules/