diff --git a/CLAUDE.md b/CLAUDE.md
index f11d23e..6ca3b74 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -22,7 +22,7 @@ Vendors two submodules (see `.gitmodules`):
     cmake --build build
     ctest --test-dir build
 
-Seven targets:
+Key targets (see CMakeLists.txt for the full list):
 
 | Target | Kind | Purpose |
 |---|---|---|
@@ -32,6 +32,7 @@ Seven targets:
 | `view_mode_model_tests` | executable | Pure unit tests for `view_mode_model` — no REAPER, no DAW. |
 | `view_tree_tests` | executable | Pure unit tests for `view_tree` — no REAPER, no DAW. |
 | `mode_switch_tests` | executable | Pure unit tests for `mode_switch` — no REAPER, no DAW. |
+| `wav_trim_tests` | executable | Pure unit tests for `wav_trim` — no REAPER, no DAW. |
 | `reaper_reasampler` | loadable module | The actual extension binary (`.dll` / `.dylib` / `.so`). |
 
 ### macOS / Linux: SWELL dialog resources
@@ -54,6 +55,7 @@ There is no hot-reload. Copy the built binary into REAPER's `UserPlugins/` folde
 - `view_mode_model` — Design View mode system: mode registry, GUID-keyed membership, folder-tree-aware visibility derivation, snapshot-based park/restore planner, JSON round-trip. Mirror of `bank_model` for the Design View phase.
 - `view_tree` — pure `I_FOLDERDEPTH`→FolderTree helper for the Design View shell; no REAPER types at the boundary.
 - `mode_switch` — REAPER-free segment layout + hit-test math for the bank_panel's Design View mode switch; divides a header rectangle into N equal segments and hit-tests a point to a segment. Mirror of `bank_grid`.
+- `wav_trim` — 32-bit-float WAV parse + header-aware truncate plan (RIFF/data size rewrite) for the realtime tail's PCM decay-scan trim (T2). Rejects WAVE_FORMAT_EXTENSIBLE with non-float SubFormat GUID. Depends on `peaks` for the `AudioSample` float alias.
 
 **REAPER-facing shells:**
 - `capture` — `ICaptureBackend` interface; `OfflineRenderBackend` (deterministic default) and `RealtimeRecordBackend`. Input: `CaptureRequest`. Output: finished file + populated `Sample` handed to `bank_model`.
diff --git a/PLAN.md b/PLAN.md
index 5325c0b..3f8f5d4 100644
--- a/PLAN.md
+++ b/PLAN.md
@@ -37,7 +37,7 @@ tool's trust anchor and must pass.
 - [ ] Null-test verification action (capture → re-insert at source pos → assert
   silence sum).
 
-**Note (from M7):** The null test requires a TRUE pre-FX dry capture, which REAPER offline render cannot produce via RENDER_SETTINGS (there is no pre-FX bit). True dry must be obtained by bypassing the source FX around an offline render (snapshot→bypass→render→restore) OR via the M8 realtime pre-FX path — so the dry-capture mechanism should be designed as part of the M10 null-test work.
+**Note (from M7):** The null test requires a TRUE pre-FX dry capture, which REAPER offline render cannot produce via RENDER_SETTINGS (there is no pre-FX bit). True dry must be obtained by bypassing the source FX around an offline render (snapshot→bypass→render→restore) OR via the M8 realtime post-fader track-tap path — so the dry-capture mechanism should be designed as part of the M10 null-test work.
 
 ## Milestone 11 — polish
 **Goal:** Batch capture (per selected item / per razor area),