phase information removal.

docs/BUILTIN_DEVICES.md

@@ -8,7 +8,7 @@ instrument dropdown. Soft Keys blends a sine with a third harmonic; Sub Bass
 uses a pure sine. Both have 32 voices, velocity sensitivity,
 short attack/release envelopes, sustain pedal, note-off and panic handling.
 High harmonics are omitted near Nyquist. The default sounds remain compatible with fixed presets from v13. See the
-Phase 41 controls below. A sample library is not provided by these oscillators.
+instrument controls below. A sample library is not provided by these oscillators.
 
 In **Modular Graph**, select a wire and choose **Edit → Insert internal delay on
 wire** or **Insert internal reverb on wire**. This preserves the route and inserts
@@ -24,8 +24,8 @@ Changes use the existing stopped-engine preparation and undo workflow.
 These are basic mono processors; stereo plans use independent instances. Reverb
 is deliberately simple and has no room model or stereo diffusion. Delay time
 changes can click; these original devices have no crossfade or tempo sync.
-Internal effect history resets on transport discontinuities. Phase 44 below
-documents configurable export tails and optional playback stopping after tails.
+Internal effect history resets on transport discontinuities. Configurable export
+tails and optional playback stopping after tails are described below.
 
 Project format 13 stores internal devices as format 4 with reserved module path
 `/xtc/internal`, stable numeric identity and index (0 keys, 1 bass, 2 delay,
@@ -35,14 +35,14 @@ presets. Readers still accept formats 1–12. Older xtc builds reject format 13.
 All buffers are allocated during preparation; processing performs no allocation,
 file access, library loading, locking or GUI calls.
 
-Validation: `make BUILD_DIR=build/phase38 all gui test test-gui-instruments
+Validation: `make BUILD_DIR=build/builtins all gui test test-gui-instruments
  test-gui-modern-plugins test-gui-plugins analyze` (join onto one line).
 `test-builtins` checks impulse tails, dry mix, feedback bounds, block partition
 consistency, note release/panic and instrument/effect project round trips.
 
-## Phase 40 acceptance checks
+## Acceptance checks
 
-`make BUILD_DIR=build/phase40 all gui test test-reliability test-gui builtin-preview`
+`make BUILD_DIR=build/builtin-acceptance all gui test test-reliability test-gui builtin-preview`
 checks all four device identities and GUI paths without external plugin binaries.
 The reliability runner fails each internal preparation allocation in turn and
 forbids allocation/free, direct file I/O and blocking locks during processing.
@@ -58,7 +58,7 @@ followed by silence for tails. Check onset/release, unwanted discontinuities,
 finite decay and the documented mono character. Generation is verified;
 human listening and physical-device qualification remain pending.
 
-## Phase 41 instrument controls and presets
+## Instrument controls and presets
 
 **Edit → Selected instrument controls** edits an assigned internal instrument.
 The five ports are harmonic amount (0..1), attack (0.1..2000 ms), release
@@ -91,7 +91,7 @@ old fixed internal assignments use their original defaults. Older builds reject
 v14. Tests cover legacy-default sound equality, v13 migration, parameter/preset
 round trips, pitch-bend offsets, automated block partitions, undo and GUI edits.
 
-## Phase 42 sample instrument
+## Sample instrument
 
 **File → Load sampler WAV** assigns a Sample Player to the selected track or
 relinks its existing sample while retaining its controls. Use the instrument
@@ -122,7 +122,7 @@ Tests cover source-rate conversion, one-shot endpoint, looping, release,
 partitioning, preset references, missing assets, GUI relinking/undo/reload and
 preparation-allocation/callback guards.
 
-## Phase 43 stereo effects
+## Stereo effects
 
 **File → Add stereo delay/reverb** and **Edit → Insert stereo delay/reverb on
 wire** add new devices (indices 5/6). Original Delay/Reverb (indices 2/3) retain
@@ -153,7 +153,7 @@ energy, bounded extreme feedback/diffusion and graph/direct stereo output
 identities; callback guards and ASan/UBSan cover processing. `make builtin-preview`
 also writes files 5/6 for repeatable listening; human listening remains pending.
 
-## Phase 44 history and tails
+## History and tails
 
 Internal effects reset on a transport discontinuity (seek/loop wrap), stopped
 backend, or newly prepared plan. Pause uses backend Stop and therefore also