Record Frame grab and scale deployment checks

docs/evidence/grab-scale-deployment-2026-09-24.md

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+# External grab/scale handles — 2026-09-24
+
+Historical observation from an explicitly authorized Frame install/relaunch.
+This record is not permission for later hardware runs and does not establish
+physical drag/release behavior or human headset acceptance.
+
+- Source commit: `33533ba8a2c85ccef3a388da4c2155e7dbbc14e0`.
+- The user's Frame screenshot showed a thin grab underline below the terminal
+  and an external lower-right corner bracket. FrameYap independently draws that
+  layout in transparent RGBA margins; no Steam private UI code/assets are bundled.
+  The screenshot remains outside Git.
+- Local default, FreeType UI and native hardware-free suites passed 14/14,
+  15/15 and 19/19 respectively. A synthetic panel preview was visually inspected;
+  renderer tests check transparent gaps, opaque handle centers, antialiased alpha,
+  cursor ownership and suppression of stale control approvals.
+- Controller-ray math tests cover stationary stability, scaling on independent
+  axes, rotated/relative geometry, out-of-bounds intersections and invalid rays.
+  The original per-event resize feedback path was removed. Grab currently
+  translates in the panel plane, not depth or orientation.
+- Exact source archive SHA-256:
+  `a8b8d4387de1fdd5cb1031e8905a6d6766e89616ceff3b62f902ea192a70e07b`.
+  The checksum was verified before extraction on Frame. Native ARM64 Release
+  build and hardware-free CTest passed 19/19; no test initialized OpenVR,
+  recorded audio or injected input.
+- Installed version: `2026-09-24T203812Z-g33533ba8`.
+  Native-only external-runtime package SHA-256:
+  `922c49de4188cba2e58bae829c02d5e9b8af3a33dba5bc6619b469389c8e73da`.
+  No model or ASR runtime was bundled/downloaded. Staged `ldd` had no unresolved
+  dependencies. Installed and staged binary SHA-256 both matched:
+  `d77e4bec5b585a12a06885086c90c7d0e3b5b447d857b39a7f8586dfa7ce8518`.
+- No old FrameYap binary was running at installation time. The managed installer
+  selected the new version and retained `2026-09-24T201841Z-gc5e925cb` as previous.
+  Installed `--version` and the relaunched process's executable path were verified.
+  Only FrameYap was launched; no SSH, SteamVR or terminal session was stopped.
+- Startup reported normal input priority, Lasers anytime off, and
+  `panel-shown=Y`. This establishes successful initialization/show request,
+  including the new intersection-mask call, not visual/physical acceptance.
+  The normal runtime was left running for user testing; no recording or text
+  delivery was deliberately triggered by this check.
+
+Remaining acceptance: actual source-device reporting, grab/scale tracking,
+release outside the mask, wrist/head behavior, transparency and comfortable
+hit-target sizes. When legacy trigger release is not observable, dragging cancels
+on loss of hover rather than relying on an outside MouseButtonUp event.