feat(stats): add usage stats and quota reset

internal/api/log_handler.go

@@ -16,6 +16,9 @@ type LogView struct {
 	Group        string `json:"group"`
 	KeyID        uint   `json:"key_id"`
 	ModelName    string `json:"model"`
+	ProviderID   uint   `json:"provider_id"`
+	ProviderType string `json:"provider_type"`
+	ProviderName string `json:"provider_name"`
 	StatusCode   int    `json:"status_code"`
 	LatencyMs    int64  `json:"latency_ms"`
 	TokensIn     int64  `json:"tokens_in"`
@@ -34,6 +37,9 @@ func toLogView(r model.LogRecord) LogView {
 		Group:        r.Group,
 		KeyID:        r.KeyID,
 		ModelName:    r.ModelName,
+		ProviderID:   r.ProviderID,
+		ProviderType: r.ProviderType,
+		ProviderName: r.ProviderName,
 		StatusCode:   r.StatusCode,
 		LatencyMs:    r.LatencyMs,
 		TokensIn:     r.TokensIn,
@@ -276,7 +282,7 @@ func (h *MasterHandler) ListSelfLogs(c *gin.Context) {
 	c.JSON(http.StatusOK, ListLogsResponse{Total: total, Limit: limit, Offset: offset, Items: out})
 }
 
-// GetSelfStats godoc
+// GetSelfLogStats godoc
 // @Summary      Log stats (master)
 // @Description  Aggregate request log stats for the authenticated master
 // @Tags         master
@@ -287,8 +293,8 @@ func (h *MasterHandler) ListSelfLogs(c *gin.Context) {
 // @Success      200  {object}  LogStatsResponse
 // @Failure      401  {object}  gin.H
 // @Failure      500  {object}  gin.H
-// @Router       /v1/stats [get]
-func (h *MasterHandler) GetSelfStats(c *gin.Context) {
+// @Router       /v1/logs/stats [get]
+func (h *MasterHandler) GetSelfLogStats(c *gin.Context) {
 	master, exists := c.Get("master")
 	if !exists {
 		c.JSON(http.StatusUnauthorized, gin.H{"error": "master key not found in context"})