Use native request execution and credential masking

internal/framework/proposal_generation/generate.go

@@ -60,7 +60,6 @@ type Request struct {
 	Glossary              *schema.Glossary            `json:"-"`
 	Config                *config.Config              `json:"-"`
 	PromptID              string                      `json:"prompt_id"`
-	PromptVersion         string                      `json:"prompt_version"`
 	Variables             map[string]string           `json:"variables"`
 	StageName             string                      `json:"stage_name,omitempty"`
 	StartIndex            int                         `json:"start_index"`
@@ -105,10 +104,16 @@ func GenerateCandidates(ctx context.Context, req Request) (Result, error) {
 	if req.DiagnosticsWriter != nil {
 		writer = req.DiagnosticsWriter
 	} else if strings.TrimSpace(req.DiagnosticsDir) != "" {
+		var secrets []string
+		if source, ok := req.LLMClient.(interface {
+			ConfiguredSecrets(context.Context) []string
+		}); ok {
+			secrets = source.ConfiguredSecrets(ctx)
+		}
 		writer = diagnosticsWriterAdapter{
 			writer: llm.NewDiagnosticsWriter(
 				filepath.Join(req.DiagnosticsDir, req.ModuleInstance),
-				llm.ConfiguredSecrets(req.Config),
+				secrets,
 			),
 		}
 	}
@@ -120,7 +125,7 @@ func GenerateCandidates(ctx context.Context, req Request) (Result, error) {
 		artifacts  InteractionArtifacts
 	)
 	completion, callErr = req.LLMClient.CompleteStructured(ctx, contracts.StructuredCompletionRequest{
-		PromptID: req.PromptID, PromptVersion: req.PromptVersion,
+		PromptID:  req.PromptID,
 		Variables: req.Variables, Schema: responseschema.CorrectionSetKey,
 		Context: structuredoutput.DiagnosticContext{Role: "proposal", ModuleKey: req.ModuleKey, ModuleInstance: req.ModuleInstance, SectionIndex: sectionIndexPtr(req.Section)},
 	}, &response)

internal/framework/proposal_generation/module_proposal.go

@@ -63,7 +63,6 @@ func ExecuteModuleProposal(ctx context.Context, req ModuleProposalRequest) (cont
 		Glossary:              req.ProposalRequest.Glossary,
 		Config:                req.ProposalRequest.Config,
 		PromptID:              promptMetadata.PromptID,
-		PromptVersion:         promptMetadata.PromptVersion,
 		Variables:             variables,
 		StageName:             stagename.ModuleProposal(req.ProposalRequest.RunSpec.InstanceName, sectionIndexPtr(req.ProposalRequest.Section)),
 		StartIndex:            0,