[BE-DB-004] be-db: Add created_at and updated_at timestamps to all models

VEZA_COMPLETE_MVP_TODOLIST.json

@@ -3035,7 +3035,7 @@
       "description": "Ensure all models have proper timestamp tracking",
       "owner": "backend",
       "estimated_hours": 4,
-      "status": "todo",
+      "status": "completed",
       "files_involved": [],
       "implementation_steps": [
         {
@@ -3056,7 +3056,9 @@
         "Unit tests",
         "Integration tests"
       ],
-      "notes": ""
+      "notes": "",
+      "completed_at": "2025-12-24T15:08:41.886115",
+      "implementation_notes": "Added UpdatedAt timestamp to models missing it: TrackLike, TrackHistory, RefreshToken, PlaylistVersion, HLSTranscodeQueue, BitrateAdaptationLog, PlaybackAnalytics. All models now have proper CreatedAt and UpdatedAt timestamps with GORM autoCreateTime and autoUpdateTime tags. DTOs and constants (track_status.go, custom_claims.go, requests.go, responses.go) do not need timestamps as they are not database models."
     },
     {
       "id": "BE-DB-005",

veza-backend-api/internal/models/bitrate_adaptation.go

@@ -32,6 +32,7 @@ type BitrateAdaptationLog struct {
 	Reason           BitrateAdaptationReason `gorm:"type:varchar(50);not null" json:"reason"`
 	NetworkBandwidth *int                    `gorm:"type:integer" json:"network_bandwidth,omitempty"`
 	CreatedAt        time.Time               `gorm:"autoCreateTime;index:idx_bitrate_adaptation_created_at" json:"created_at"`
+	UpdatedAt        time.Time               `gorm:"autoUpdateTime" json:"updated_at"`
 }
 
 // TableName définit le nom de la table pour GORM

veza-backend-api/internal/models/hls_transcode_queue.go

@@ -28,7 +28,8 @@ type HLSTranscodeQueue struct {
 	RetryCount   int         `gorm:"not null;default:0" json:"retry_count"`
 	MaxRetries   int         `gorm:"not null;default:3" json:"max_retries"`
 	ErrorMessage *string     `gorm:"type:text" json:"error_message,omitempty"`
-	CreatedAt    time.Time   `json:"created_at"`
+	CreatedAt    time.Time   `gorm:"autoCreateTime" json:"created_at"`
+	UpdatedAt    time.Time   `gorm:"autoUpdateTime" json:"updated_at"`
 	StartedAt    *time.Time  `json:"started_at,omitempty"`
 	CompletedAt  *time.Time  `json:"completed_at,omitempty"`
 }

veza-backend-api/internal/models/playback_analytics.go

@@ -23,6 +23,7 @@ type PlaybackAnalytics struct {
 	StartedAt      time.Time  `gorm:"not null" json:"started_at"`
 	EndedAt        *time.Time `json:"ended_at,omitempty"`
 	CreatedAt      time.Time  `gorm:"autoCreateTime;index:idx_playback_analytics_created_at" json:"created_at"`
+	UpdatedAt      time.Time  `gorm:"autoUpdateTime" json:"updated_at"`
 }
 
 // TableName définit le nom de la table pour GORM

veza-backend-api/internal/models/playlist_version.go

@@ -32,6 +32,7 @@ type PlaylistVersion struct {
 	// Snapshot des tracks au moment de la version (JSON)
 	TracksSnapshot string    `gorm:"type:text" json:"tracks_snapshot,omitempty" db:"tracks_snapshot"`
 	CreatedAt      time.Time `gorm:"autoCreateTime;index:idx_playlist_versions_created_at" json:"created_at" db:"created_at"`
+	UpdatedAt      time.Time `gorm:"autoUpdateTime" json:"updated_at" db:"updated_at"`
 
 	// Relations
 	Playlist *Playlist `gorm:"foreignKey:PlaylistID;constraint:OnDelete:CASCADE" json:"playlist,omitempty"`

veza-backend-api/internal/models/refresh_token.go

@@ -15,6 +15,7 @@ type RefreshToken struct {
 	TokenHash string         `gorm:"not null;size:255;index:idx_refresh_tokens_token_hash" json:"-"`
 	ExpiresAt time.Time      `gorm:"not null" json:"expires_at"`
 	CreatedAt time.Time      `gorm:"autoCreateTime" json:"created_at"`
+	UpdatedAt time.Time      `gorm:"autoUpdateTime" json:"updated_at"`
 	DeletedAt gorm.DeletedAt `gorm:"index" json:"-"`
 
 	// Relations

veza-backend-api/internal/models/track_history.go

@@ -29,6 +29,7 @@ type TrackHistory struct {
 	OldValue  string             `gorm:"type:text" json:"old_value,omitempty" db:"old_value"`
 	NewValue  string             `gorm:"type:text" json:"new_value,omitempty" db:"new_value"`
 	CreatedAt time.Time          `gorm:"autoCreateTime;index:idx_track_history_created_at" json:"created_at" db:"created_at"`
+	UpdatedAt time.Time          `gorm:"autoUpdateTime" json:"updated_at" db:"updated_at"`
 
 	// Relations
 	Track *Track `gorm:"foreignKey:TrackID;constraint:OnDelete:CASCADE" json:"track,omitempty"`

veza-backend-api/internal/models/track_like.go

@@ -14,6 +14,7 @@ type TrackLike struct {
 	UserID    uuid.UUID `gorm:"type:uuid;not null;index:idx_track_likes_user;uniqueIndex:idx_track_likes_unique" json:"user_id" db:"user_id"`
 	TrackID   uuid.UUID `gorm:"type:uuid;not null;index:idx_track_likes_track;uniqueIndex:idx_track_likes_unique" json:"track_id" db:"track_id"`
 	CreatedAt time.Time `gorm:"autoCreateTime;default:CURRENT_TIMESTAMP" json:"created_at" db:"created_at"`
+	UpdatedAt time.Time `gorm:"autoUpdateTime" json:"updated_at" db:"updated_at"`
 
 	// Relations
 	User  User  `gorm:"foreignKey:UserID;constraint:OnDelete:CASCADE" json:"-"`