Implement combat semantics validator

This commit is contained in:
2026-08-28 00:19:49 +00:00
parent 6bc883dfb6
commit 0ae5ea7637
3 changed files with 466 additions and 0 deletions

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@@ -0,0 +1,233 @@
package combat_semantics
import (
"context"
"fmt"
"strings"
"unicode/utf8"
"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"
"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/shared"
"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/validate/scenedescriptions/shape"
)
const (
Key = "extract/dnd/scene-descriptions/combat_semantics"
ReasonCodeActiveCombatNotClassified = "scene_active_combat_not_classified"
ReasonCodeCombatClassificationUnsupported = "scene_combat_classification_unsupported"
combatPolicy = "dnd.scene_descriptions.combat_semantics.v1"
maximumExplanationRunes = 512
)
type Options struct{}
type completionResponse struct {
Verdict string `json:"verdict"`
Explanation string `json:"explanation"`
}
type Validator struct {
llm contracts.StructuredLLMClient
promptSHA string
responseSchemaSHA string
}
var _ contracts.TypedValidator[dnd.SceneDescriptionList] = (*Validator)(nil)
var _ contracts.ManifestMetadataProvider = (*Validator)(nil)
var _ pipeline.CheckpointFingerprintProvider = (*Validator)(nil)
func New(llmClient contracts.StructuredLLMClient, _ Options) (*Validator, error) {
if llmClient == nil {
return nil, validatorErrorf("LLM client must not be nil")
}
promptSHA, err := promptAssetMetadata()
if err != nil {
return nil, validatorErrorf("load prompt metadata: %w", err)
}
responseSchema, err := loadResponseSchema()
if err != nil {
return nil, validatorErrorf("load response schema: %w", err)
}
return &Validator{llm: llmClient, promptSHA: promptSHA, responseSchemaSHA: responseSchema.SHA256}, nil
}
func (v *Validator) Name() string { return Key }
func (v *Validator) ExecutionClass() contracts.ExecutionClass {
return contracts.ExecutionClassLLMBacked
}
func (v *Validator) ManifestMetadata() map[string]any {
if v == nil {
return nil
}
return map[string]any{
"prompt_id": PromptID,
"prompt_version": SchemaVersion,
"prompt_sha256": v.promptSHA,
"response_schema_key": string(ResponseSchemaKey),
"response_schema_id": ResponseSchemaID,
"response_schema_name": ResponseSchemaName,
"response_schema_version": SchemaVersion,
"response_schema_sha256": v.responseSchemaSHA,
"combat_policy": combatPolicy,
}
}
func (v *Validator) CheckpointFingerprints() []pipeline.CheckpointFingerprint {
if v == nil {
return nil
}
return []pipeline.CheckpointFingerprint{
{Name: "prompt", Value: v.promptSHA},
{Name: "response_schema", Value: v.responseSchemaSHA},
{Name: "combat_policy", Value: combatPolicy},
}
}
func (v *Validator) Validate(ctx context.Context, req contracts.TypedValidationRequest[dnd.SceneDescriptionList]) (contracts.ValidationResult, error) {
if v == nil {
return contracts.ValidationResult{}, validatorErrorf("validator must not be nil")
}
if v.llm == nil {
return contracts.ValidationResult{}, validatorErrorf("LLM client must not be nil")
}
sourceInput, scene, err := validateRequest(ctx, req)
if err != nil {
return contracts.ValidationResult{}, err
}
var response completionResponse
_, err = v.llm.CompleteStructured(ctx, contracts.StructuredCompletionRequest{
StageName: Key,
PromptID: PromptID,
PromptVersion: SchemaVersion,
ProfileID: req.LLMProfile,
SessionID: req.SessionID,
StructuredOutputRepairAttempts: req.StructuredOutputRepairAttempts,
Inputs: contracts.LLMInputSet{
"transcript": shared.TranscriptPromptMaterial(sourceInput),
"proposed_kind": contracts.NewLLMInputMaterial("proposed_kind", "text/plain", []byte(scene.Kind), "", ""),
},
}, &response)
if err != nil {
return contracts.ValidationResult{}, validatorErrorf("complete structured output: %w", err)
}
return interpretResponse(response, scene.Kind)
}
func validateRequest(ctx context.Context, req contracts.TypedValidationRequest[dnd.SceneDescriptionList]) (contracts.LLMInputMaterial, dnd.SceneDescription, error) {
if ctx == nil {
return contracts.LLMInputMaterial{}, dnd.SceneDescription{}, validatorErrorf("context must not be nil")
}
if err := ctx.Err(); err != nil {
return contracts.LLMInputMaterial{}, dnd.SceneDescription{}, validatorErrorf("context error before validation: %w", err)
}
if req.Stage != string(pipeline.StageExtract) {
return contracts.LLMInputMaterial{}, dnd.SceneDescription{}, validatorErrorf("validation stage must be extract, got %q", req.Stage)
}
sourceInput, err := shared.PrepareChunkExtraction(ctx, contracts.TypedExtractionRequest{Source: req.Source, Chunk: req.Chunk, SourceInput: req.SourceInput})
if err != nil {
return contracts.LLMInputMaterial{}, dnd.SceneDescription{}, validatorErrorf("prepare chunk source input: %w", err)
}
if strings.TrimSpace(req.Chunk.ID) == "" || req.Chunk.ID != strings.TrimSpace(req.Chunk.ID) {
return contracts.LLMInputMaterial{}, dnd.SceneDescription{}, validatorErrorf("current chunk ID must be nonblank and trimmed")
}
if req.Chunk.SourceID != req.Source.ID {
return contracts.LLMInputMaterial{}, dnd.SceneDescription{}, validatorErrorf("current chunk source ID %q does not match source %q", req.Chunk.SourceID, req.Source.ID)
}
if err := source.NewDocumentIndex(req.Source).ValidateRef(req.Chunk.Ref); err != nil {
return contracts.LLMInputMaterial{}, dnd.SceneDescription{}, validatorErrorf("validate current chunk source range: %w", err)
}
if err := shape.ValidateForStage(req.Value, req.Stage); err != nil {
return contracts.LLMInputMaterial{}, dnd.SceneDescription{}, validatorErrorf("validate scene description shape: %w", err)
}
scene := req.Value.Scenes[0]
if scene.ID != req.Chunk.ID {
return contracts.LLMInputMaterial{}, dnd.SceneDescription{}, validatorErrorf("scene ID must equal current chunk ID")
}
if scene.SourceRef != req.Chunk.Ref {
return contracts.LLMInputMaterial{}, dnd.SceneDescription{}, validatorErrorf("scene source range must equal current chunk range")
}
return sourceInput, scene, nil
}
func interpretResponse(response completionResponse, proposedKind dnd.SceneKind) (contracts.ValidationResult, error) {
explanation, err := validateExplanation(response.Explanation)
if err != nil {
return contracts.ValidationResult{}, err
}
switch response.Verdict {
case "approved":
return contracts.ValidationResult{Approved: true}, nil
case "combat_should_be_added":
if proposedKind == dnd.SceneKindCombat {
return contracts.ValidationResult{}, validatorErrorf("combat_should_be_added verdict is inconsistent with proposed combat kind")
}
return contracts.ValidationResult{
Approved: false,
ReasonCode: ReasonCodeActiveCombatNotClassified,
Message: "The current chunk contains substantive active combat that is not classified as combat.",
CorrectionGuidance: "Return kind: combat for this scene. " + explanation,
}, nil
case "combat_should_be_removed":
if proposedKind != dnd.SceneKindCombat {
return contracts.ValidationResult{}, validatorErrorf("combat_should_be_removed verdict is inconsistent with proposed non-combat kind")
}
return contracts.ValidationResult{
Approved: false,
ReasonCode: ReasonCodeCombatClassificationUnsupported,
Message: "The current chunk does not support a combat classification.",
CorrectionGuidance: "Choose the appropriate narrative, recap, or meta kind for this scene. " + explanation,
}, nil
default:
return contracts.ValidationResult{}, validatorErrorf("unsupported combat-semantics verdict %q", response.Verdict)
}
}
func validateExplanation(value string) (string, error) {
if !utf8.ValidString(value) {
return "", validatorErrorf("validator explanation must be valid UTF-8")
}
trimmed := strings.TrimSpace(value)
if trimmed == "" {
return "", validatorErrorf("validator explanation must not be blank")
}
if trimmed != value {
return "", validatorErrorf("validator explanation must be trimmed")
}
if utf8.RuneCountInString(value) > maximumExplanationRunes {
return "", validatorErrorf("validator explanation exceeds %d Unicode code points", maximumExplanationRunes)
}
return value, nil
}
func Spec() pipeline.ValidatorSpec {
return pipeline.ValidatorSpec{Key: Key, ExecutionClass: contracts.ExecutionClassLLMBacked}
}
func Register(registry *pipeline.ValidatorRegistry) error {
return pipeline.RegisterTypedValidatorBuilder(registry, dnd.SceneDescriptionListKind, Spec(), validateOptions, func(request pipeline.BuildRequest) (contracts.TypedValidator[dnd.SceneDescriptionList], error) {
options, err := DecodeOptions(request.Options)
if err != nil {
return nil, err
}
return New(request.Dependencies.LLM, options)
})
}
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 }
func validatorErrorf(format string, args ...any) error {
return fmt.Errorf("scene combat-semantics validator: "+format, args...)
}