Add NPC interaction validators

This commit is contained in:
2026-07-23 13:35:15 +00:00
parent 2b9d2eaeaa
commit cb7f145c76
10 changed files with 1137 additions and 0 deletions

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// Package registry validates D&D NPC interaction names against NPC grounding.
package registry
import (
"context"
"fmt"
"gitea.maximumdirect.net/eric/notarius/internal/framework/contracts"
"gitea.maximumdirect.net/eric/notarius/internal/framework/pipeline"
"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd"
npcregistry "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/npcs/registry"
"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/shared/diagnostics"
interactionshape "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/validate/npcinteractions/shape"
)
const (
Key = "extract/dnd/npc-interactions/registry"
ReasonCode = "invalid_npc_interaction_registry"
policy = "dnd.npc_interactions.validator.registry.v1"
)
type Options struct{}
type Validator struct {
npcResolver *npcregistry.Resolver
}
var _ contracts.TypedValidator[dnd.NPCInteractionList] = (*Validator)(nil)
var _ contracts.ManifestMetadataProvider = (*Validator)(nil)
var _ pipeline.CheckpointFingerprintProvider = (*Validator)(nil)
func New(_ Options, references ...contracts.ReferenceSet) (*Validator, error) {
if len(references) > 1 {
return nil, fmt.Errorf("NPC interaction registry validator accepts at most one reference set")
}
var referenceSet contracts.ReferenceSet
if len(references) == 1 {
referenceSet = references[0]
}
resolver, err := npcregistry.NewResolver(referenceSet)
if err != nil {
return nil, fmt.Errorf("prepare NPC registry: %w", err)
}
return &Validator{npcResolver: resolver}, nil
}
func (v *Validator) Name() string { return Key }
func (v *Validator) ExecutionClass() contracts.ExecutionClass {
return contracts.ExecutionClassDeterministic
}
func (v *Validator) ManifestMetadata() map[string]any {
if v == nil || v.npcResolver == nil {
return nil
}
metadata := map[string]any{"policy": policy}
seeded := v.npcResolver.Seeded()
if seeded.Bound() {
metadata["npc_registry_digest"] = seeded.Digest()
metadata["npc_count"] = seeded.Count()
}
return metadata
}
func (v *Validator) CheckpointFingerprints() []pipeline.CheckpointFingerprint {
if v == nil || v.npcResolver == nil {
return nil
}
return []pipeline.CheckpointFingerprint{
{Name: "policy", Value: policy},
{Name: "npc_registry", Value: v.npcResolver.Seeded().ProjectionDigest()},
}
}
func (v *Validator) Validate(_ context.Context, req contracts.TypedValidationRequest[dnd.NPCInteractionList]) (contracts.ValidationResult, error) {
if interactionshape.Validate(req.Value) != nil {
return contracts.ValidationResult{Approved: true}, nil
}
if v == nil || v.npcResolver == nil {
return contracts.ValidationResult{}, fmt.Errorf("NPC interaction registry validator must not be nil")
}
npcRegistry, err := v.npcResolver.Resolve(req.References)
if err != nil {
return contracts.ValidationResult{}, fmt.Errorf("resolve NPC registry: %w", err)
}
if !npcRegistry.Bound() {
return rejection([]string{"NPC registry reference is required"}), nil
}
issues := make([]string, 0)
for index, interaction := range req.Value.Interactions {
if _, ok := npcRegistry.Lookup(interaction.Name); !ok {
issues = append(issues, fmt.Sprintf("interactions[%d].name is not in the NPC registry: %s", index, diagnostics.Quote(interaction.Name)))
}
}
if len(issues) == 0 {
return contracts.ValidationResult{Approved: true}, nil
}
return rejection(issues), nil
}
func rejection(issues []string) contracts.ValidationResult {
return contracts.ValidationResult{
Approved: false,
ReasonCode: ReasonCode,
Message: diagnostics.Aggregate("invalid NPC interaction registry", issues),
}
}
func Spec() pipeline.ValidatorSpec {
return pipeline.ValidatorSpec{Key: Key, ExecutionClass: contracts.ExecutionClassDeterministic}
}
func Register(registry *pipeline.ValidatorRegistry) error {
return pipeline.RegisterTypedValidatorBuilder(registry, dnd.NPCInteractionListKind, Spec(), validateOptions, func(request pipeline.BuildRequest) (contracts.TypedValidator[dnd.NPCInteractionList], error) {
options, err := DecodeOptions(request.Options)
if err != nil {
return nil, err
}
return New(options, request.References)
})
}
func DecodeOptions(options map[string]any) (Options, error) {
if err := pipeline.RejectUnknownOptions(options); err != nil {
return Options{}, err
}
return Options{}, nil
}
func validateOptions(options map[string]any) error { _, err := DecodeOptions(options); return err }

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package registry
import (
"context"
"encoding/json"
"reflect"
"strings"
"testing"
"gitea.maximumdirect.net/eric/notarius/internal/core/source"
"gitea.maximumdirect.net/eric/notarius/internal/framework/contracts"
"gitea.maximumdirect.net/eric/notarius/internal/framework/pipeline"
"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd"
npccodec "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/codec/npcs"
"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/npcs/identity"
npcregistry "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/npcs/registry"
)
func TestValidatorRecognizesRegistryNamesAndRejectsUnknownNames(t *testing.T) {
references := registryReferences(t, "Mira Thorn")
validator := newValidator(t, references)
value := validList(" mira thorn ")
result, err := validator.Validate(context.Background(), request(references, value))
if err != nil || !result.Approved {
t.Fatalf("recognized result = %#v, %v", result, err)
}
value.Interactions[0].Name = "Unknown NPC"
result, err = validator.Validate(context.Background(), request(references, value))
if err != nil || result.Approved || result.ReasonCode != ReasonCode || !strings.Contains(result.Message, "interactions[0].name") {
t.Fatalf("unknown result = %#v, %v", result, err)
}
}
func TestValidatorRequiresRegistryAndResolvesGeneratedReferenceAtOperationTime(t *testing.T) {
validator := newValidator(t)
value := validList("Mira Thorn")
result, err := validator.Validate(context.Background(), request(contracts.ReferenceSet{}, value))
if err != nil || result.Approved || result.ReasonCode != ReasonCode || !strings.Contains(result.Message, "required") {
t.Fatalf("unbound result = %#v, %v", result, err)
}
references := registryReferences(t, "Mira Thorn")
result, err = validator.Validate(context.Background(), request(references, value))
if err != nil || !result.Approved {
t.Fatalf("generated result = %#v, %v", result, err)
}
empty := registryReferences(t)
result, err = newValidator(t, empty).Validate(context.Background(), request(empty, dnd.NPCInteractionList{Interactions: []dnd.NPCInteraction{}}))
if err != nil || !result.Approved {
t.Fatalf("empty registry result = %#v, %v", result, err)
}
}
func TestValidatorRejectsMalformedRegistryWithoutContentAndKeepsMetadataSafe(t *testing.T) {
malformed := contracts.ReferenceSet{Slots: map[string]contracts.ResolvedReferenceSlot{
npcregistry.ReferenceSlot: {
Slot: contracts.ReferenceSlot{Name: npcregistry.ReferenceSlot},
Items: []contracts.ReferenceItem{{SlotName: npcregistry.ReferenceSlot, MediaType: "application/json", Content: []byte(`{"secret":"private source"}`)}},
},
}}
if _, err := New(Options{}, malformed); err == nil || strings.Contains(err.Error(), "private source") {
t.Fatalf("New() error = %v", err)
}
references := registryReferences(t, "Mira Thorn")
validator := newValidator(t, references)
metadata, err := json.Marshal(validator.ManifestMetadata())
if err != nil {
t.Fatal(err)
}
if strings.Contains(string(metadata), "Mira Thorn") || strings.Contains(string(metadata), "other-session") {
t.Fatalf("metadata leaked registry content: %s", metadata)
}
if got := validator.CheckpointFingerprints(); len(got) != 2 || got[0].Value != policy || !strings.HasPrefix(got[1].Value, "sha256:") {
t.Fatalf("CheckpointFingerprints() = %#v", got)
}
}
func TestValidatorDefersShapeAndDoesNotMutateOrMisregister(t *testing.T) {
references := registryReferences(t, "Mira Thorn")
validator := newValidator(t, references)
malformed := dnd.NPCInteractionList{Interactions: []dnd.NPCInteraction{{Name: "Mira Thorn"}}}
result, err := validator.Validate(context.Background(), request(references, malformed))
if err != nil || !result.Approved {
t.Fatalf("shape deferral = %#v, %v", result, err)
}
value := validList("Mira Thorn")
before := value
_, err = validator.Validate(context.Background(), request(references, value))
if err != nil || !reflect.DeepEqual(value, before) {
t.Fatalf("Validate() mutated value: %#v", value)
}
registry := pipeline.NewValidatorRegistry()
if err := Register(registry); err != nil {
t.Fatal(err)
}
if _, err := DecodeOptions(map[string]any{"unexpected": true}); err == nil {
t.Fatal("DecodeOptions() accepted unknown option")
}
}
func newValidator(t *testing.T, references ...contracts.ReferenceSet) *Validator {
t.Helper()
validator, err := New(Options{}, references...)
if err != nil {
t.Fatal(err)
}
return validator
}
func request(references contracts.ReferenceSet, value dnd.NPCInteractionList) contracts.TypedValidationRequest[dnd.NPCInteractionList] {
return contracts.TypedValidationRequest[dnd.NPCInteractionList]{References: references, Value: value}
}
func validList(name string) dnd.NPCInteractionList {
return dnd.NPCInteractionList{Interactions: []dnd.NPCInteraction{{
Name: name, Kind: dnd.NPCInteractionKindDialogue,
SourceRefs: []source.SourceRef{{SourceID: "session", StartUnitID: 1, EndUnitID: 1}},
}}}
}
func registryReferences(t *testing.T, names ...string) contracts.ReferenceSet {
t.Helper()
npcs := make([]dnd.NPC, len(names))
for index, name := range names {
npcs[index] = dnd.NPC{ID: identity.DeriveID(name), Name: name, SourceRefs: []source.SourceRef{{SourceID: "other-session", StartUnitID: index + 1, EndUnitID: index + 1}}}
}
content, err := npccodec.New().Encode(dnd.NPCList{NPCs: npcs})
if err != nil {
t.Fatal(err)
}
return contracts.ReferenceSet{Slots: map[string]contracts.ResolvedReferenceSlot{
npcregistry.ReferenceSlot: {
Slot: contracts.ReferenceSlot{Name: npcregistry.ReferenceSlot},
Items: []contracts.ReferenceItem{{SlotName: npcregistry.ReferenceSlot, MediaType: npccodec.MediaType, Content: content, Origin: contracts.ReferenceOrigin{Type: "generated"}}},
},
}}
}