docs: correct six false archive claims; surface docs/product in CLAUDE.md

Phantom symbols commitMapAndReload, AhdsrParams, kReaSamplerProcessorUIDBeta
replaced with what shipped. Corrects two over-claims and un-ticks the D5
tooltip, which was never built.

CONTEXT.md

@@ -1027,7 +1027,7 @@ S10's single-capture setup surface shape.
 markers**; Trigger shows **start + %-length end + fade-in/out** handles — same waveform, same
 pure `frame↔pixel` + marker-grab geometry module (S11), mode switches which markers draw. A
 **mode toggle** per capture/zone sits in the S10 guided setup / S10-Z Zones panel. Every edit
-commits **off-thread** via `commitMapAndReload`; the instrument stays a **read-only bank
+commits **off-thread** via `commitAndReload`; the instrument stays a **read-only bank
 consumer** (mode/params are performance map, never written to `Sample` or the bank).
 
 ### Pitch engine modes — Varispeed vs Preserve (S16)
@@ -1876,7 +1876,7 @@ face without scrolling, and cannot be resized below the constraint floor.
   compat surface in S-VIEW and is the substance of fork R10-F1. `keyTrack` and `previewVelocity`
   remain fully bit-identical on lift. No existing field changes.
 - **RT discipline (unchanged).** The preview-trigger fires a note through the existing voice engine
-  via the off-audio-thread commit path (`commitMapAndReload` idiom); no new `process`-thread work,
+  via the off-audio-thread commit path (`commitAndReload` idiom); no new `process`-thread work,
   no allocation on the audio thread.
 - **VST3 class UID unchanged.** A view reorganization + additive param is **not** a compat event;
   saved instances rebind and restore. The UID stays the S-NAME-1/S18 forever-locked identity.
@@ -1919,7 +1919,7 @@ preview velocity **persists** via envelope-v6 `ComponentState`; the envelope ove
 - **Drop-to-FX** — `TrackFX_AddByName` / `TrackFX_SetNamedConfigParm` / `GetThingFromPoint` all
   **verified present** in `reaper_plugin_functions.h`; the remaining work is **runtime diagnosis**
   (name match, gesture routing, blob format), not an SDK question.
-- **Preview note through the voice engine off-thread** — confirm the existing `commitMapAndReload`
+- **Preview note through the voice engine off-thread** — confirm the existing `commitAndReload`
   / off-thread reload idiom is the right seam to fire a one-shot preview note without touching
   `process` on the UI thread; no torn state on the atomic voice-engine pointer.
 - **Preview-velocity persistence seam (S-VIEW-F1)** — the envelope-v6 `ComponentState` field is the