feat: Implement Phase 1B: Enhanced CLI Commands

pkg/garmin/activities.go

@@ -1 +1,38 @@
-package garmin
+package garmin
+
+import (
+	"time"
+)
+
+// ActivityOptions for filtering activity lists
+type ActivityOptions struct {
+	Limit      int
+	Offset     int
+	ActivityType string
+	DateFrom   time.Time
+	DateTo     time.Time
+}
+
+// ActivityDetail represents detailed information for an activity
+type ActivityDetail struct {
+	Activity // Embed garmin.Activity from pkg/garmin/types.go
+	Description string `json:"description"`	// Add more fields as needed
+}
+
+// Lap represents a lap in an activity
+type Lap struct {
+	// Define lap fields
+}
+
+// Metric represents a metric in an activity
+type Metric struct {
+	// Define metric fields
+}
+
+// DownloadOptions for downloading activity data
+type DownloadOptions struct {
+	Format    string // "gpx", "tcx", "fit", "csv"
+	Original  bool   // Download original uploaded file
+	OutputDir string
+	Filename  string
+}