chore(models): regenerate the models.dev enrichment snapshot

`xai` and `openai` carry `restrict_to_enriched`, so a live listing id the
enrichment catalog does not know is dropped. The bundled snapshot knew
neither `grok-4.7` nor `gpt-6-astra`, which left both invisible offline
and until the 24h models.dev refresh landed.

Regeneration also tripped the generator's fail-fast: models.dev renamed
the Kimi coding provider. `kimi-for-coding` is now `kimi-code-plan-cn`
(api.kimi.com — kigi's endpoint), with `kimi-code-plan-global` the
api.kimi.ai twin; the model set is unchanged. Both registry rows, the
generator target and the two snapshot lookups follow the new id, and the
cache `keep_set` guard invalidates any cache filtered under the old one.

crates/codegen/kigi-shell/src/agent/enrichment_fetch.rs

@@ -367,7 +367,7 @@ mod tests {
         let _url = EnvGuard::set(MODELS_DEV_URL_ENV, "http://127.0.0.1:1/api.json");
         let catalog = load_enrichment_catalog_at(&path);
         assert!(
-            kigi_models::enrichment::lookup(&catalog, "kimi-for-coding", "k3").is_some(),
+            kigi_models::enrichment::lookup(&catalog, "kimi-code-plan-cn", "k3").is_some(),
             "bundled snapshot must back a total refresh failure"
         );
         assert!(!path.exists(), "failed refresh must not write a cache");
@@ -385,7 +385,7 @@ mod tests {
             let _url = EnvGuard::set(MODELS_DEV_URL_ENV, token);
             assert!(refresh_url().is_none(), "token {token:?} must disable");
             let catalog = load_enrichment_catalog_at(&path);
-            assert!(kigi_models::enrichment::lookup(&catalog, "kimi-for-coding", "k3").is_some());
+            assert!(kigi_models::enrichment::lookup(&catalog, "kimi-code-plan-cn", "k3").is_some());
         }
     }