New API endpoint exposing build metadata — commit SHA, branch, build time, and package version.
A new /api/version route returns build-time metadata as JSON, useful for dashboards, deploy verification, and debugging.
{
"version": "0.6.0",
"commit": "3d57de0b",
"branch": "main",
"buildTime": "2026-05-11T02:30:00Z",
"nodeEnv": "production"
}
Values are injected at build time via next.config.ts environment variables (NEXT_PUBLIC_BUILD_*). Missing values default to "unknown".