feat: add GET /api/version endpoint (#2167)

Implements a new API endpoint that returns the server version from serverConfig.
This will be used for Home Assistant integration to check for updates.

Fixes #2148

Co-authored-by: claude[bot] <41898282+claude[bot]@users.noreply.github.com>
Co-authored-by: Mohamed Bassem <MohamedBassem@users.noreply.github.com>

1 files changed, 16 insertions, 0 deletions

diff --git a/packages/api/routes/version.ts b/packages/api/routes/version.ts
new file mode 100644
index 00000000..18e045af
--- /dev/null
+++ b/packages/api/routes/version.ts
@@ -0,0 +1,16 @@
+import { Hono } from "hono";
+
+import serverConfig from "@karakeep/shared/config";
+import { Context } from "@karakeep/trpc";
+
+const version = new Hono<{
+  Variables: {
+    ctx: Context;
+  };
+}>().get("/", (c) => {
+  return c.json({
+    version: serverConfig.serverVersion ?? "unknown",
+  });
+});
+
+export default version;