improved performance

src/types.hpp

@@ -72,8 +72,7 @@ struct EmbeddedSceneFrame {
 
 // ── Face tracking ─────────────────────────────────────────────────────────────
 // Output of FaceTrackerFunc — EmbeddedSceneFrame augmented with per-detection
-// track context.  track_embeddings[i] is the L2-normalised running mean across
-// the track's history; use it for identity matching when track_mature[i] is true.
+// track context.
 
 struct TrackedSceneFrame {
     Frame                     source;
@@ -81,8 +80,6 @@ struct TrackedSceneFrame {
     std::vector<cv::Mat>      crops;
     std::vector<int>          track_ids;          // -1 = brand-new track this frame
     std::vector<Embedding>    embeddings;          // per-frame raw (from embedder)
-    std::vector<Embedding>    track_embeddings;   // accumulated mean per track
-    std::vector<bool>         track_mature;        // true once track has ≥ min_frames obs.
 };
 
 // ── Identity matching ─────────────────────────────────────────────────────────