feat: remove ai cmd

internal/history/history.go

@@ -7,8 +7,6 @@ import (
 	"os"
 	"path/filepath"
 	"time"
-
-	"github.com/rogeecn/renamer/internal/ai/prompt"
 )
 
 const ledgerFileName = ".renamer"
@@ -28,57 +26,6 @@ type Entry struct {
 	Metadata   map[string]any `json:"metadata,omitempty"`
 }
 
-const aiMetadataKey = "ai"
-
-// AIMetadata captures AI-specific ledger metadata for rename batches.
-type AIMetadata struct {
-	PromptHash   string                    `json:"promptHash"`
-	ResponseHash string                    `json:"responseHash"`
-	Model        string                    `json:"model"`
-	Policies     prompt.NamingPolicyConfig `json:"policies"`
-	BatchSize    int                       `json:"batchSize"`
-	AppliedAt    time.Time                 `json:"appliedAt"`
-}
-
-// AttachAIMetadata records AI metadata alongside the ledger entry.
-func (e *Entry) AttachAIMetadata(meta AIMetadata) {
-	if e.Metadata == nil {
-		e.Metadata = make(map[string]any)
-	}
-	if meta.AppliedAt.IsZero() {
-		meta.AppliedAt = time.Now().UTC()
-	}
-	e.Metadata[aiMetadataKey] = meta
-}
-
-// AIMetadata extracts AI metadata from the ledger entry if present.
-func (e Entry) AIMetadata() (AIMetadata, bool) {
-	if e.Metadata == nil {
-		return AIMetadata{}, false
-	}
-	raw, ok := e.Metadata[aiMetadataKey]
-	if !ok {
-		return AIMetadata{}, false
-	}
-
-	switch value := raw.(type) {
-	case AIMetadata:
-		return value, true
-	case map[string]any:
-		var meta AIMetadata
-		if err := remarshal(value, &meta); err != nil {
-			return AIMetadata{}, false
-		}
-		return meta, true
-	default:
-		var meta AIMetadata
-		if err := remarshal(value, &meta); err != nil {
-			return AIMetadata{}, false
-		}
-		return meta, true
-	}
-}
-
 func remarshal(value any, target any) error {
 	data, err := json.Marshal(value)
 	if err != nil {