Add SDK version warning to AI tutorial

[mikkelhegn]

Adding a small disclaimer that code samples in the article are for older SDK versions.

[mikkelhegn]

Inspired by: https://discord.com/channels/926888690310053918/1148522244277014568/1313066570079146024

[karthik2804]

I do not think we made any breaking changes regarding the SDK as far as llm is considered in a long time, and things should work, which confuses me.

[mikkelhegn]

I tried with the Rust sample and I had to change it to make it work.

This is the diff I ended up with to make the Rust sample work:

5c5
<     http::{IntoResponse, Params, Request, Response, Router},
---
>     http::{IntoResponse, Json, Params, Request, Response, Router},
56c56,59
< fn perform_sentiment_analysis(req: Request, _params: Params) -> Result<impl IntoResponse> {
---
> fn perform_sentiment_analysis(
>     req: http::Request<Json<SentimentAnalysisRequest>>,
>     _params: Params,
> ) -> Result<impl IntoResponse> {
58,60c61
<     let sentiment_analysis_request: SentimentAnalysisRequest =
<         serde_json::from_slice(req.body()).expect("Failed to deserialize request body");
<     let sentence = sentiment_analysis_request.sentence.trim();
---
>     let sentence = req.body().sentence.trim();

[mikkelhegn]

Error with the orginal code

├╴E failed to resolve: use of undeclared crate or module `http`
 │   use of undeclared crate or module `http` rustc (E0433) [57, 10]
`

Never templates don't have 'http' as a dependency - can that be it?

[mikkelhegn]

Well I guess this has always been a problem? Cannot find any traces we had http in the template previously.

[karthik2804]

I vaguely recall us re-exporting http through the SDK (can definitely be misremembering).

[mikkelhegn]

The sample in the repo, which works without any changes use a fairly old SDK 1.5.0. I haven't checked if the other languages work based on new SDK version and "old" code sample.

[itowlson]

Could we not update the code rather than telling people to go back to an old SDK? Leading a tutorial with "this no longer works" bit feels kinda awkward.

[mikkelhegn]

Yes we could, but all the samples in the repo that is referred in the article would probably need updating, unless we're ok having the article and repo be out of sync: https://github.com/fermyon/ai-examples/tree/main

[mikkelhegn]

I've changed strategies and is now updating article and samples. Will close this and open a new PR.