feat(config): add log_conversations option to AI metadata configuration

internal/ai/compat/client.go

@@ -44,6 +44,7 @@ type Client struct {
 	httpClient            *http.Client
 	log                   *slog.Logger
 	dimensions            int
+	logConversations      bool
 }
 
 type Config struct {
@@ -58,6 +59,7 @@ type Config struct {
 	HTTPClient            *http.Client
 	Log                   *slog.Logger
 	Dimensions            int
+	LogConversations      bool
 }
 
 type embeddingsRequest struct {
@@ -113,6 +115,7 @@ func New(cfg Config) *Client {
 		httpClient:            cfg.HTTPClient,
 		log:                   cfg.Log,
 		dimensions:            cfg.Dimensions,
+		logConversations:      cfg.LogConversations,
 	}
 }
 
@@ -177,6 +180,15 @@ func (c *Client) extractMetadataWithModel(ctx context.Context, input, model stri
 		},
 	}
 
+	if c.logConversations && c.log != nil {
+		c.log.Info("metadata conversation request",
+			slog.String("provider", c.name),
+			slog.String("model", model),
+			slog.String("system", metadataSystemPrompt),
+			slog.String("input", input),
+		)
+	}
+
 	var resp chatCompletionsResponse
 	if err := c.doJSON(ctx, "/chat/completions", req, &resp); err != nil {
 		return thoughttypes.ThoughtMetadata{}, err
@@ -188,7 +200,17 @@ func (c *Client) extractMetadataWithModel(ctx context.Context, input, model stri
 		return thoughttypes.ThoughtMetadata{}, fmt.Errorf("%s metadata: no choices returned", c.name)
 	}
 
-	metadataText := strings.TrimSpace(resp.Choices[0].Message.Content)
+	rawResponse := resp.Choices[0].Message.Content
+
+	if c.logConversations && c.log != nil {
+		c.log.Info("metadata conversation response",
+			slog.String("provider", c.name),
+			slog.String("model", model),
+			slog.String("response", rawResponse),
+		)
+	}
+
+	metadataText := strings.TrimSpace(rawResponse)
 	metadataText = stripThinkingBlocks(metadataText)
 	metadataText = stripCodeFence(metadataText)
 	metadataText = extractJSONObject(metadataText)