Update examples and benchmarks for identified resources

examples/go-library/run/main.go

@@ -41,8 +41,8 @@ type summary struct {
 func main() {
 	endpoint, model := "https://example.invalid/v1", "offline-model"
 	engine, err := promptkit.NewEngine(promptkit.Config{Sources: promptkit.ConfigurationSources{
-		Underlays: []configkit.Underlay{{Inputs: []configkit.Input{{Source: promptkit.ProfileSource("example profile", map[string]promptkit.ProfileConfig{
-			"offline-example": {Endpoint: &endpoint, Model: &model},
+		Underlays: []configkit.Underlay{{Inputs: []configkit.Input{{Source: promptkit.ProfileSource("example profile", []promptkit.ProfileConfig{
+			{ID: "offline-example", Endpoint: &endpoint, Model: &model},
 		})}}}},
 		Main: &configkit.Input{Source: configkit.File("examples/go-library/run/prompt.yaml")},
 	}}, promptkit.WithLLMClient(deterministicClient{}))

examples/go-library/run/prompt.yaml

@@ -1,6 +1,5 @@
 prompts:
-  example.run:
-    version: "1.0.0"
+  - id: example.run
     default_profile: offline-example
     description: Run a prompt with a deterministic injected model client.
     inputs: