Add vibe-kanban

.gitignore

@@ -372,6 +372,10 @@ src/Managing.Infrastructure.Tests/PrivateKeys.cs
 /src/Managing.Web3Proxy/coverage/
 /src/Managing.Web3Proxy/.env
 /src/Managing.Web3Proxy/.env.*
+# Root .env file (contains sensitive configuration)
+.env
+.env.local
+.env.*.local
 /src/Managing.Web3Proxy2/node_modules/
 /src/Managing.Web3Proxy2/dist/
 /src/Managing.Fastify/dist/
@@ -384,3 +388,10 @@ node_modules/
 scripts/influxdb/exports/
 
 scripts/privy/privy-users.csv
+
+# Vibe Kanban (keep config.json, ignore data files)
+.vibe-kanban/*.db
+.vibe-kanban/data/
+.vibe-kanban/*.sqlite
+# Task process PID files and logs
+.task-pids/