Add versions file for doc-wide versioning

documentation/docs/components/versions.ts

@@ -4,26 +4,28 @@
  * Components (CratesPaused, CodeVerified, etc.) import from here so there is a
  * single place to update on each release.
  *
- * Fenced code blocks in tutorials still hardcode versions for copy-paste
- * friendliness.  When bumping versions here, also update the Cargo.toml
- * snippets in the files listed below:
+ * Fenced code blocks still hardcode versions for copy-paste friendliness.
+ * When bumping versions here, also update the Cargo.toml snippets in:
  *
- *   pages/developers/smolmix/tutorial.mdx
- *   pages/developers/smolmix/tutorial-udp.mdx
- *   pages/developers/smolmix/tutorial-websocket.mdx
  *   pages/developers/rust/importing.mdx
- *   pages/developers/rust/mixnet/tutorial.mdx
- *   pages/developers/rust/stream/tutorial.mdx
  *   pages/developers/rust/tcpproxy.mdx
- *   pages/developers/rust/client-pool/tutorial.mdx
  *   public/llms.txt
+ *
+ * RUST_MSRV is imported directly by all pages that display the Rust version —
+ * no manual file edits needed for MSRV bumps:
+ *
+ *   pages/developers/smolmix.mdx
+ *   pages/developers/rust/importing.mdx
  */
 
 // nym-sdk / nym-bin-common / nym-network-defaults — Rust SDK crates
-export const NYM_SDK_VERSION = "X.Y.Z";
+export const NYM_SDK_VERSION = "1.20.4";
 
 // smolmix standalone crate
-export const SMOLMIX_VERSION = "X.Y.Z";
+export const SMOLMIX_VERSION = "0.0.1";
 
 // blake3 exact pin (workaround for transitive digest conflict)
 export const BLAKE3_PIN = "=1.7.0";
+
+// Minimum supported Rust version (matches workspace rust-version in root Cargo.toml)
+export const RUST_MSRV = "1.87";