Ξ-W2-T1: the resample bake chain — instrument renders, extension banks, one click re-points and resets

src/shell/instrument/reasampler_processor.h

@@ -26,6 +26,7 @@ namespace reasampler::vst {
 
 using instrument::map::ComponentState;
 using instrument::map::InstrumentParams;
+using instrument::map::SampleRefEntry;
 using instrument::map::SampleRefs;
 using instrument::map::kPreviewVelocityDefault;
 
@@ -120,6 +121,21 @@ public:
     // resolved selection id ("" if nothing loaded).
     std::string reloadInstrument();
 
+    // The dialed sound as plain data for the offline bake: the SAME refs resolve + decode +
+    // build reloadInstrument runs, with no live block attached. Rebuilt rather than copied
+    // off the live snapshot because a tier-3 live edit leaves that snapshot's own play
+    // params stale on purpose — copying it would bake the pre-drag values. nullopt when
+    // nothing is loaded or the WAV is unreadable. Off the audio thread (file I/O).
+    std::optional<SampleData> bakeSnapshot();
+
+    // Adopt a landed bake in ONE act: the new capture becomes this instance's ref and
+    // selection, the parameter set and master gain go neutral, and a single reload
+    // publishes both together. The ordering is the whole point — a reset published ahead
+    // of the re-point would put neutral parameters under the OLD capture for a block.
+    // UI thread only.
+    void adoptBakedCapture(const SampleRefEntry& entry, const InstrumentParams& reset,
+                           double masterGainLinear);
+
     // What pollBankSync did this tick, so the editor can react only when something changed.
     struct BankSyncResult {
         bool reloaded = false;    // bank generation changed (or a legacy lift landed) -> reloaded
@@ -203,6 +219,11 @@ public:
     // fallback when the bank blob is unreadable. Guarded by refsMutex_.
     SampleRefs sampleRefs();
 
+    // This instance's usage identity, minted here if it has never published. It names BOTH
+    // the "rsusage_" record the bake's tie query must exclude and the "rsbake_" request
+    // key, so the two can never name different instances. Off the audio thread.
+    std::string usageInstanceGuid();
+
 private:
     // If process() published that the drain instrument is fully idle, move it into the
     // graveyard and prune — so an edited-away snapshot stops costing memory as soon as its