Implement planet name resolution

esi/cached.go

@@ -150,3 +150,23 @@ func getCachedResponse[T any](c *CachedESI, url string, fetchFunc func() (T, err
 
 	return result, nil
 }
+
+// GetPlanetName retrieves planet name with caching
+func (c *CachedESI) GetPlanetName(ctx context.Context, planetID int) (*PlanetName, error) {
+	url := fmt.Sprintf("/v1/universe/planets/%d/", planetID)
+	logger.Info("CachedESI: Getting planet name for planet %d", planetID)
+
+	fetchFunc := func() (*PlanetName, error) {
+		logger.Debug("CachedESI: Calling direct ESI for planet %d name", planetID)
+		return c.direct.GetPlanetName(ctx, planetID)
+	}
+
+	result, err := getCachedResponse(c, url, fetchFunc)
+	if err != nil {
+		logger.Error("CachedESI: Failed to get planet name for planet %d: %v", planetID, err)
+		return nil, err
+	}
+
+	logger.Info("CachedESI: Successfully retrieved planet name for planet %d: %s", planetID, result.Name)
+	return result, nil
+}