Complete Phase 8 deterministic validators

internal/framework/contracts/contracts.go

@@ -9,6 +9,7 @@ import (
 	"gitea.maximumdirect.net/eric/audita/internal/core/config"
 	"gitea.maximumdirect.net/eric/audita/internal/core/schema"
 	"gitea.maximumdirect.net/eric/audita/internal/framework/proposals"
+	"gitea.maximumdirect.net/eric/audita/internal/framework/validators"
 )
 
 // StructuredLLMClient provides provider-agnostic structured completion.
@@ -27,7 +28,7 @@ type TranscriptModule interface {
 // Validator evaluates candidate proposals and returns one decision per proposal index.
 type Validator interface {
 	Name() string
-	Validate(ctx context.Context, req ValidationRequest) ([]ValidationDecision, error)
+	Validate(ctx context.Context, req ValidationRequest) (validators.Result, error)
 }
 
 // StructuredCompletionRequest is a transport-neutral structured completion request.
@@ -90,19 +91,7 @@ type ProposalRequest struct {
 }
 
 // ValidationRequest is the input to validator execution.
-type ValidationRequest struct {
-	ExecutionContext
-	RunSpec            ModuleRunSpec                          `json:"run_spec"`
-	CandidateProposals []proposals.EnrichedCorrectionProposal `json:"candidate_proposals"`
-}
-
-// ValidationDecision is one validator decision for one proposal index.
-type ValidationDecision struct {
-	ProposalIndex int      `json:"proposal_index"`
-	Approved      bool     `json:"approved"`
-	Confidence    *float64 `json:"confidence,omitempty"`
-	Reason        string   `json:"reason,omitempty"`
-}
+type ValidationRequest = validators.Request
 
 // ResolveModuleRunSpecs deterministically resolves instance names from logical keys.
 // Repeated keys are suffixed with _<n> (1-based), while singleton keys keep their raw key.