feat(auth): add first-party acceptance harness

adapters/postgres/identity_repository.go

@@ -62,3 +62,13 @@ func (r *IdentityRepository) UpdateCreatorPassword(ctx context.Context, actor id
 	}
 	return nil
 }
+
+func (r *IdentityRepository) LoadServicePrincipal(ctx context.Context, principal identity.PrincipalID) (identity.ServicePrincipal, error) {
+	var value identity.ServicePrincipal
+	err := r.pool.QueryRow(ctx, `SELECT actor_id, principal_id, kind, purpose, synthetic_scope, active, revision FROM identity.service_principals WHERE principal_id=$1`, principal).
+		Scan(&value.ActorID, &value.PrincipalID, &value.Kind, &value.Purpose, &value.SyntheticScope, &value.Active, &value.Revision)
+	if err != nil {
+		return identity.ServicePrincipal{}, fmt.Errorf("load service principal: %w", err)
+	}
+	return value, nil
+}

adapters/postgres/self_repository.go

@@ -13,6 +13,13 @@ import (
 // evidence. It never evaluates, promotes or changes Capability state.
 type SelfRepository struct{ pool *pgxpool.Pool }
 
+type AcceptanceSummary struct {
+	LearningSignals    int    `json:"learning_signals"`
+	ImprovementNeeds   int    `json:"improvement_needs"`
+	LearningLedger     int    `json:"learning_ledger"`
+	SyntheticPrincipal string `json:"synthetic_principal"`
+}
+
 func OpenSelf(ctx context.Context, config ContinuityConfig) (*SelfRepository, error) {
 	pool, err := openPool(ctx, config)
 	if err != nil {
@@ -23,6 +30,21 @@ func OpenSelf(ctx context.Context, config ContinuityConfig) (*SelfRepository, er
 
 func (r *SelfRepository) Close() { r.pool.Close() }
 
+func (r *SelfRepository) AcceptanceSummary(ctx context.Context, principalID string) (AcceptanceSummary, error) {
+	var value AcceptanceSummary
+	value.SyntheticPrincipal = principalID
+	if err := r.pool.QueryRow(ctx, `SELECT COUNT(*) FROM self.learning_signals WHERE principal_id=$1`, principalID).Scan(&value.LearningSignals); err != nil {
+		return AcceptanceSummary{}, err
+	}
+	if err := r.pool.QueryRow(ctx, `SELECT COUNT(*) FROM self.improvement_needs WHERE principal_id=$1`, principalID).Scan(&value.ImprovementNeeds); err != nil {
+		return AcceptanceSummary{}, err
+	}
+	if err := r.pool.QueryRow(ctx, `SELECT COUNT(*) FROM self.learning_ledger WHERE principal_id=$1`, principalID).Scan(&value.LearningLedger); err != nil {
+		return AcceptanceSummary{}, err
+	}
+	return value, nil
+}
+
 func (r *SelfRepository) SaveImprovementNeed(ctx context.Context, value selfcontract.ImprovementNeed) error {
 	subject, err := json.Marshal(value.SubjectRef)
 	if err != nil {