add ai feature

internal/history/ai_entry.go

@@ -0,0 +1,21 @@
+package history
+
+// BuildAIMetadata constructs ledger metadata for AI-driven rename batches.
+func BuildAIMetadata(prompt string, promptHistory []string, notes []string, model string, warnings []string) map[string]any {
+    data := map[string]any{
+        "prompt":   prompt,
+        "model":    model,
+        "flow":     "renameFlow",
+        "warnings": warnings,
+    }
+
+    if len(promptHistory) > 0 {
+        data["promptHistory"] = append([]string(nil), promptHistory...)
+    }
+
+    if len(notes) > 0 {
+        data["notes"] = append([]string(nil), notes...)
+    }
+
+    return data
+}