Drag stems and loop regions out to a DAW or a folder

app/pipeline/collect.py

@@ -182,7 +182,11 @@ def make_selected_mix(job: Job, stems_dir: Path, found: list[str]) -> Path | Non
     return out if _run_ffmpeg(job, cmd) else None
 
 
-_PEAK_POINTS = 1500  # matches OVERVIEW_WAVE_POINTS in player.js
+# Enough points to back the deepest zoom, not the 1x bar count: a full-width
+# panel draws about 2400 bars at WAVE_ZOOM_MAX (10x, transport.js), and past
+# the point count the bars repeat their neighbours instead of revealing
+# anything. Raise this and WAVE_ZOOM_MAX together.
+_PEAK_POINTS = 3000
 
 
 def compute_stem_peaks(stems_dir: Path, stem_names: list[str]) -> dict[str, float]:

desktop/src-tauri/Cargo.toml

@@ -22,6 +22,14 @@ local-ip-address = "0.6"
 # worse than plain http because it looks secure. See src/certs.rs.
 rcgen = "0.13"
 reqwest = { version = "0.12", default-features = false, features = ["rustls-tls", "blocking"] }
+# Decoding the drag preview the UI renders for a lane. Already in the tree via
+# reqwest; named here because dragout.rs uses it directly.
+base64 = "0.22"
+# Native drag-out of a rendered file to the OS (a DAW, Explorer, Finder).
+# The crate tauri-plugin-drag wraps; taken directly because the plugin exposes
+# start_drag only as a #[command], which would mean JavaScript naming the file
+# path. See dragout.rs.
+drag = "2.1.1"
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"
 sha2 = "0.10"