Document D&D prompt conventions and verification

internal/modules/dnd/extract/itemevents/prompt_assets_test.go

@@ -3,7 +3,6 @@ package itemevents
 import (
 	"context"
 	"encoding/json"
-	"reflect"
 	"strings"
 	"testing"
 	"time"
@@ -43,9 +42,6 @@ func TestPromptAssetsPrepareItemEventPrompt(t *testing.T) {
 	if prepared.PromptID != PromptID || prepared.OutputContract.SchemaPath != "dnd_item_events_llm.v1.json" {
 		t.Fatalf("prepared prompt = %#v", prepared)
 	}
-	if len(prepared.Messages) < 5 {
-		t.Fatalf("prepared messages = %#v, want shared policy, references, transcript, and instructions", prepared.Messages)
-	}
 	referenceIndex := -1
 	transcriptIndex := -1
 	for index, message := range prepared.Messages {
@@ -91,16 +87,3 @@ func TestPromptAssetsDoNotLeakIntoMetadata(t *testing.T) {
 		}
 	}
 }
-
-func TestPromptManifestReusesOnlySharedAssets(t *testing.T) {
-	want := []string{
-		"common-dnd-system.md",
-		"common-dnd-extraction-evidence.md",
-		"common-dnd-identity.md",
-		"common-dnd-references.md",
-		"common-dnd-transcript-chunk.md",
-	}
-	if !reflect.DeepEqual(promptAssetManifest.SharedFiles, want) {
-		t.Fatalf("shared assets = %#v, want %#v", promptAssetManifest.SharedFiles, want)
-	}
-}