Route report projections through prepared identity

internal/app/app.go

@@ -66,6 +66,7 @@ type BatchRequest struct {
 type ModuleSnapshotRequest struct {
 	Config   config.Config
 	Resolved report.Resolved
+	Identity briefing.PreparedIdentity
 }
 
 type ReportFacts struct {
@@ -729,7 +730,12 @@ func BuildModuleSnapshotFromFacts(req ModuleSnapshotRequest, reportFacts ReportF
 	if err != nil {
 		return module.Snapshot{}, err
 	}
+	identity := req.Identity
+	if identity.ReportID == "" {
+		identity = briefing.BuildPreparedIdentity(briefingBuildContext(req.Config, req.Resolved, reportFacts.Collected))
+	}
 	moduleContext := briefing.ModuleContext{
+		Identity:  identity,
 		Resolved:  req.Resolved,
 		Collected: reportFacts.Collected,
 		Derived:   reportFacts.Derived,
@@ -761,16 +767,16 @@ func briefingBuildContext(cfg config.Config, resolved report.Resolved, collected
 	}
 }
 
-func promptMetadata(metadata briefing.Metadata) promptinput.Metadata {
+func promptMetadata(identity briefing.PreparedIdentity) promptinput.Metadata {
 	return promptinput.Metadata{
-		RunID:          metadata.RunID,
-		ReportID:       metadata.ReportID,
-		Variant:        metadata.Variant,
-		PromptID:       metadata.PromptID,
-		GeneratedAt:    metadata.GeneratedAt,
-		Timezone:       metadata.Timezone,
-		ValidPeriod:    metadata.ValidPeriod,
-		SourceWarnings: metadata.SourceWarnings,
+		RunID:          identity.RunID,
+		ReportID:       identity.ReportID,
+		Variant:        identity.Variant,
+		PromptID:       identity.PromptID,
+		GeneratedAt:    identity.GeneratedAt,
+		Timezone:       identity.Timezone,
+		ValidPeriod:    identity.ValidPeriod,
+		SourceWarnings: identity.SourceWarnings,
 	}
 }