feat: implement Phase 2 - Equipment Management and Training Zones

internal/equipment/model.go

@@ -0,0 +1,43 @@
+package equipment
+
+import "time"
+
+type Equipment struct {
+	ID        uint      `gorm:"primaryKey" json:"id"`
+	UserID    uint      `gorm:"not null;index" json:"user_id"`
+	Name      string    `gorm:"not null" json:"name"`
+	Type      string    `gorm:"not null" json:"type"` // "bike", "shoes", "helmet", etc.
+	Brand     string    `gorm:"default:''" json:"brand"`
+	Model     string    `gorm:"default:''" json:"model"`
+	Weight    float64   `gorm:"default:0" json:"weight"` // grams
+	Notes     string    `gorm:"default:''" json:"notes"`
+	Active    bool      `gorm:"default:true" json:"active"`
+	CreatedAt time.Time `json:"created_at"`
+	UpdatedAt time.Time `json:"updated_at"`
+}
+
+type TrainingZone struct {
+	ID    uint   `json:"id"`
+	Name  string `json:"name"`
+	Min   int    `json:"min"`
+	Max   int    `json:"max"`
+	Color string `json:"color"`
+}
+
+type HRZones struct {
+	Zone1 TrainingZone `json:"zone_1"` // Recovery
+	Zone2 TrainingZone `json:"zone_2"` // Endurance
+	Zone3 TrainingZone `json:"zone_3"` // Tempo
+	Zone4 TrainingZone `json:"zone_4"` // Threshold
+	Zone5 TrainingZone `json:"zone_5"` // VO2 Max
+}
+
+type PowerZones struct {
+	Zone1 TrainingZone `json:"zone_1"` // Active Recovery
+	Zone2 TrainingZone `json:"zone_2"` // Endurance
+	Zone3 TrainingZone `json:"zone_3"` // Sweet Spot
+	Zone4 TrainingZone `json:"zone_4"` // Threshold
+	Zone5 TrainingZone `json:"zone_5"` // VO2 Max
+	Zone6 TrainingZone `json:"zone_6"` // Anaerobic
+	Zone7 TrainingZone `json:"zone_7"` // Neuromuscular
+}