docs(phase-s): reconcile PLAN/COMPLETED/CLAUDE for S-VIEW Wave 1

Move S-VIEW-BUG-1 + S-VIEW-SIZE-1 to COMPLETED; annotate S-VIEW-3/4/6/7 as Wave 1 core landed / Wave 2 shell pending; record R10-F1 SETTLED (Option A, flat y=1) into S-VIEW-9.

PLAN.md

@@ -229,6 +229,10 @@ piano-key pattern work; drop-a-capture-onto-FX instantiates a playing instance.
   envelope fields** — one source of truth, kept in sync by re-reading params each paint (no listener
   chain). Node-drag commits via the same off-audio-thread path a slider edit uses (no new RT
   surface).
+  > **Wave 1 (S-VIEW cores) ✓:** `envelope_overlay` + `envelope_edit` pure modules landed
+  > and unit-tested. **Wave 2 shell PENDING:** `reasampler_editor.cpp` must trace the overlay
+  > and wire draggable node handles; a Trigger frames↔fraction converter is owed at the module
+  > seam (documented there).
 - [ ] **S-VIEW-4 — preview-trigger + velocity knob (new, Sample view).** A button firing the
   sampler at the loaded capture's root note through the live voice engine (off the audio-thread
   commit path — no MIDI controller needed) + an adjacent velocity knob. **Preview velocity PERSISTS**
@@ -237,6 +241,9 @@ piano-key pattern work; drop-a-capture-onto-FX instantiates a playing instance.
   `getState`/`setState` over `IBStream` — **not** the extension's project-scoped `persist` ext-state
   (wrong owner + wrong scope; see CONTEXT.md §S-VIEW). Zones payload untouched (independent version
   axes); older blobs lift to a mid default. RT discipline: no `process`-thread work.
+  > **Wave 1 (S-VIEW cores) ✓:** `previewVelocity` field on `ComponentState`, envelope v5→v6
+  > bump, processor `getState`/`setState` round-trip, clamped 1..127 — all landed. **Wave 2
+  > shell PENDING:** the preview button + velocity knob UI in `reasampler_editor.cpp`.
 - [ ] **S-VIEW-5 — Browse reduced to *choosing* (modal over Sample).** Keep search + bank tabs +
   captures grid + scroll + selection; add **confirm/cancel** (double-click loads). **Remove** the
   large waveform preview, Mono/Stereo toggle, root keyboard-strip (all moved to Sample), and the
@@ -248,11 +255,18 @@ piano-key pattern work; drop-a-capture-onto-FX instantiates a playing instance.
   math lives in the pure sampler core** (unit-tested note/root/keyTrack → ratio), applied in both
   Varispeed and Preserve repitch. Surfaces as a control on the Zone param panel + Sample control
   strip.
+  > **Wave 1 (S-VIEW cores) ✓:** per-`PerformanceZone` `keyTrack` field (zones payload v6,
+  > default 100% bit-identical), pure ratio math, applied in both Varispeed and Preserve
+  > engines — landed. **Wave 2 shell PENDING:** the UI control in the Zone param panel +
+  > Sample control strip.
 - [ ] **S-VIEW-7 — real piano-key pattern on the keyboard strip (new visual).** Overlay the actual
   alternating white/black (bright/dark per palette) key pattern over the pastel spectral fill so
   the strip reads as a keyboard. Pure `keyboard_strip` gains a natural/accidental predicate (12-
   tone, unit-tested); shell draws the two-tone overlay. Shared by the Zone strip + Sample root
   affordance.
+  > **Wave 1 (S-VIEW cores) ✓:** pure `isNaturalKey` predicate on `keyboard_strip`, unit-tested
+  > — landed. **Wave 2 shell PENDING:** `reasampler_editor.cpp` must draw the two-tone overlay
+  > over the spectral fill.
 - [ ] **S-VIEW-8 — Zone view retained + wired.** Keep +Add Zone / Delete, the per-zone keyboard
   strip (now with the piano pattern), the Low/High/Root numeric-entry legend, and the per-zone
   param panel; add the key-tracking control. Nothing from today's Zones view dropped.
@@ -261,7 +275,10 @@ piano-key pattern work; drop-a-capture-onto-FX instantiates a playing instance.
   to the 0–127×0–1 box; control-point add/move/delete x-ordered + box-clamped; hit-test + pixel-
   delta→clamped-point inverse map; mirror of `envelope_edit`; unit-tested at eval + clamp/order
   boundaries). Additive `velocityCurve` field on `PerformanceZone` (instrument-owned, D-B), on the
-  **zones-payload version axis**, default = the R10-F1 curve; older blobs lift to that default.
+  **zones-payload version axis**, default = **flat y=1** (R10-F1 SETTLED — Option A, Daniel
+  2026-07-27: "any velocity plays at full level"); older blobs lift to that default. **Back-compat
+  caveat: this is a deliberate non-back-compat behavior change** — the current engine does linear
+  `velocity/127`, so existing zones' soft hits will be louder after upgrade. Flagged and accepted.
   Apply at **`Voice::start()`** — replace `velocityGain_ = velocity / 127.0` (`sampler_core.cpp:261`)
   with `velocityGain_ = curve.eval(velocity)`, off the per-frame path (no new RT work). **BLOCKED BY
   Wave 1 T-KEYTRK** (`PerformanceZone` schema + payload bump) — this is a LATER additive payload bump
@@ -281,34 +298,15 @@ piano-key pattern work; drop-a-capture-onto-FX instantiates a playing instance.
 
 > Framed in CONTEXT.md §S-VIEW; both are functional prerequisites with the SDK swept and no
 > platform ceiling — a diagnosis and a one-line default, not product decisions.
-
-- [ ] **S-VIEW-BUG-1 — drop-to-FX diagnosis (staff-engineer).** Dropping a capture onto a track's
-  FX chain does not instantiate + init ReaSampler 9000 (drops as audio to arrange instead). The
-  S17 machinery is **SDK-correct and present** (`TrackFX_AddByName` + `vst_chunk` injection, all
-  verified); this is a **runtime bug**. Investigate in order: (1) FX-name match (`"VST3:" +
-  vstPluginName()` vs REAPER's scanned name); (2) gesture routing (`decideGesture` →
-  `InstrumentDrop` vs falling to `OsDrag` — the observed symptom); (3) `vst_chunk` write result +
-  blob-format match with `setState`. **Verify in DAW:** drop → a playing instance on the track,
-  one Ctrl-Z removes it.
-- [ ] **S-VIEW-SIZE-1 — 1080p default window size (staff-engineer).** The editor opens too small
-  (`ViewRect(0,0,560,400)`). Mechanism **verified** (`getSize`/`setRect`/`checkSizeConstraint`/
-  `onSize`/`canResize` in `vendor/vst3sdk/public.sdk/source/common/pluginview.h`): set a larger
-  default `ViewRect` sized for the new three-band Sample face on 1080p (~840×560+ starting point,
-  tuned to the band heights) + a `checkSizeConstraint` minimum floor. **Verify in DAW:** opens at
-  the new default showing the full Sample face without scroll; cannot shrink below the floor.
+> **S-VIEW-BUG-1 and S-VIEW-SIZE-1 have both landed (Wave 1) — see `COMPLETED.md`.**
 
 ### Phase S editor redesign — forks (Daniel's to call)
 *(S-VIEW-F1 and S-VIEW-F2 SETTLED 2026-07-27 — folded into S-VIEW-4 / S-VIEW-3 above. F1: preview
 velocity persists via envelope-v6 `ComponentState`. F2: envelope nodes are draggable via the pure
-`envelope_edit` module. Only F3 remains open.)*
+`envelope_edit` module. R10-F1 SETTLED 2026-07-27 — Option A flat y=1, folded into S-VIEW-9 above.
+Only F3 remains open.)*
 - **S-VIEW-F3 — Browse modal presentation:** full-window overlay (**lean**) vs. a centered sheet
   over a dimmed Sample. Presentation detail.
-- **R10-F1 — velocity-curve default (r10):** **Option A flat y=1** (**lean** — Daniel's verbatim
-  "any velocity plays at full level"; NOT back-compat with today's linear `velocity/127`, so
-  existing zones' dynamics change — flagged as a deliberate shipped-behavior change) vs. **Option B
-  linear y = x/127** (bit-identical to the shipped engine; contradicts the verbatim "full level"
-  default). The only non-back-compat surface the velocity-curve feature introduces. **Daniel's
-  call.**
 
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