Feat: clean the codebase as much as possible

src/engine/mod.rs

@@ -7,16 +7,20 @@ mod timing;
 
 pub use timing::{substeps_in_window, StepTiming, SyncTime};
 
-// AnalysisHandle and SequencerHandle are used by src/bin/desktop.rs
+// Used by plugin and desktop crates via the lib; not by the terminal binary directly.
 #[allow(unused_imports)]
 pub use audio::{
-    build_stream, spawn_analysis_thread, AnalysisHandle, AudioStreamConfig, ScopeBuffer,
-    SpectrumBuffer,
+    preload_sample_heads, spawn_analysis_thread, AnalysisHandle, ScopeBuffer, SpectrumBuffer,
 };
+
+#[cfg(feature = "cli")]
+#[allow(unused_imports)]
+pub use audio::{build_stream, AudioStreamConfig, AudioStreamInfo};
+
 pub use link::LinkState;
 #[allow(unused_imports)]
 pub use sequencer::{
-    parse_midi_command, spawn_sequencer, AudioCommand, MidiCommand, PatternChange,
-    PatternSnapshot, SeqCommand, SequencerConfig, SequencerHandle, SequencerSnapshot,
-    SequencerState, SharedSequencerState, StepSnapshot, TickInput, TickOutput, TimestampedCommand,
+    parse_midi_command, spawn_sequencer, AudioCommand, MidiCommand, PatternChange, PatternSnapshot,
+    SeqCommand, SequencerConfig, SequencerHandle, SequencerSnapshot, SequencerState,
+    SharedSequencerState, StepSnapshot, TickInput, TickOutput, TimestampedCommand,
 };