build spotify-to-navidrome migrator with recovery flow

internal/model/model.go

@@ -0,0 +1,44 @@
+package model
+
+type Track struct {
+	SourceID   string   `json:"source_id,omitempty"`
+	Title      string   `json:"title"`
+	Artists    []string `json:"artists"`
+	Album      string   `json:"album,omitempty"`
+	DurationMS int      `json:"duration_ms,omitempty"`
+	ISRC       string   `json:"isrc,omitempty"`
+	Explicit   bool     `json:"explicit,omitempty"`
+}
+
+type Playlist struct {
+	SourceID    string  `json:"source_id,omitempty"`
+	Name        string  `json:"name"`
+	Description string  `json:"description,omitempty"`
+	Tracks      []Track `json:"tracks"`
+}
+
+type MatchedTrack struct {
+	Source   Track   `json:"source"`
+	TargetID string  `json:"target_id,omitempty"`
+	Score    float64 `json:"score"`
+	Query    string  `json:"query,omitempty"`
+	Reason   string  `json:"reason,omitempty"`
+	Matched  bool    `json:"matched"`
+}
+
+type PlaylistTransferResult struct {
+	Name          string         `json:"name"`
+	TargetID      string         `json:"target_id,omitempty"`
+	TotalTracks   int            `json:"total_tracks"`
+	MatchedTracks int            `json:"matched_tracks"`
+	AddedTracks   int            `json:"added_tracks"`
+	Unmatched     []MatchedTrack `json:"unmatched"`
+	Errors        []string       `json:"errors"`
+}
+
+type TransferReport struct {
+	StartedAt string                   `json:"started_at"`
+	EndedAt   string                   `json:"ended_at"`
+	DryRun    bool                     `json:"dry_run"`
+	Results   []PlaylistTransferResult `json:"results"`
+}