# SE212 coordinated sit — reviewed candidate

The corrected entry gives the body an actual backward movement while it lowers.
The paws unfold during descent and stop at frame 67. The body finishes its small
settle at 91. This removes the previous late paw travel after the body had already
stopped. The six-mouthful meal, final consumption and empty-hand rest follow on
the same 22.15-second / 1,329-frame / 60 fps timeline.

## Root cause and implementation

The previous bodyY control moved only the tail; the body, shoulders, thighs,
paws and arms did not follow it. A root-object Y translation also had no effect
on those visible parts. The source fit had represented the missing body retreat
as excess foot movement. Retiming that compensation alone would preserve the
underlying ownership defect.

A copied C164 body map now carries one shared Y translation for the body,
shoulder carrier and material hip points. The rigid neck carrier and tail root
receive the same offset. The existing thigh profile bridges the transported hip
and independently controlled paw. Arms retain their existing shoulder binding;
the food follows the hands. This introduces no new image-coordinate optimizer,
script handler or driver namespace. The original group remains in the file.

The authored retreat distance is 0.52 native units, selected from two reviewed
pilots. Standing begins forward of the preserved seated endpoint. Paw support
holds through frame 25; unfolding, pitch and spread finish together at 67. The
new adapter is inactive from 177. Its zero-offset geometry bypass is exact.

## Verified evidence

- 6 full-visible-mesh comparisons with the parent meal are exact.
  Inherited action keys are unchanged, including after reopening the saved file.
- 7 save/reopen poses preserve geometry, material fields and placement.
  Three meaningful native controls change their intended owners and reset.
  A rendered retreat edit changes the image and resets with zero pixel error.
- Sixteen direct-versus-copied geometry/material checks and twelve parent-meal
  raster comparisons are exact. Three additional fresh-render comparisons pass
  with persistent rendering data disabled for final capture.
- Final entry rendering caches only the initial food-cut state in memory.
  Six direct-current-native food geometry/material comparisons and eighteen
  additional rendered comparisons with direct pilot/parent images are exact.
  All character motion and the hand-owned food transform remain live. The
  editable native is never saved with this rendering cache. The first capture
  preflight rejected reuse of a prior candidate's cache receipt before rendering
  any entry frames; current-candidate output equality is required instead.
- All 176 new entry frames have finite, rigid paws. Maximum rigid-fit error is
  1.24463133e-07; maximum floor error is
  2.98023224e-07 native units. Maximum initial
  support drift is 0; maximum
  seated paw drift is 0.
- Eight task poses have measured closed paw/thigh surfaces. Maximum reported
  concealed ankle-cap distance outside a paw is -0.0209324677.
  The signed nearest-surface statistic and shaded review are scoped diagnostics,
  not a whole-motion collision certificate. See audit-review.json for findings.
- All 3,987 decoded view-frames were inspected in 111 chronological sheets.
  All three movies decode completely with uniform 60 fps timestamps. The first 176
  frames are newly rendered; frames 177–1329 reuse parent pixels only after the
  native/action/material/raster equality checks. Every input and output is hashed.

## Native editing

Windows: C:/mozu/se212/repo/output/rig_candidates/siteat212_20260925/sit_transport_20261004/mozu-siteat212-coordinated-sit-r01.blend
SHA256: 12ba0727975df9c968928bb85784ccbd0a6c580df18d9f9345a52157c129873e
Size: 222,020,218 bytes. Blender: 5.2.0 LTS.
Parent SHA256: 7c5495f9702efe7c7f92d6aeeae3459f4b687919c59173353f73fb371adfb439 (preserved).

Open at frame 43 with SE212S | Seated support and pelvis selected. Its native
action owns Sit progress, Foot unfold, Settle Z and Entry active. Retreat distance
changes the standing position while preserving the final seated meal position.
Sit progress moves the body without moving the paws; Foot unfold changes the
paws without moving the body. These properties are natively editable in Blender.
For a temporary keyed-property probe, detach the action, edit/reset, then restore
the same action and slot. Disable Enabled when inspecting inherited alternative
Mode3 actions. The controller is dedicated to this seated-entry performance.

The existing C179 gray thigh profile remains deformable; the rigidity statement
above applies to paws, not to all thigh material lengths. Source scaffold edits
still require the original rest-coordinate/weight fields to be regenerated or
transferred. A Geometry Nodes modifier does not make those attributes self-updating.

Rebuild into a new native version: inspect_native.py, pilot.py/pilot_media.py,
make_native.py, audit_native.py/audit_media.py, capture_entry.py and media.py.
Use the Windows FIFO and preserve existing outputs. Native and raw PNG files stay
on Windows; local review packages contain movies, JPEG sheets and JSON evidence.

## Review scope and limits

Main-agent visual review; owner adoption and independent sign-off remain open.
The broader 15 architecture issues and 11 native-release gate groups remain open
in qualification-scope.json. No adopted asset or current registry is replaced.
This is authored motion, not a newly registered source-video fit. Physics,
independent fingers, a simulated mouth cavity and real-time runtime export are
outside this correction. The meal retains its earlier small-food readability
limits at mouthfuls 4–5 and the narrow final seaweed remainder.

Evidence: build-r01.json, audit-r01/report.json, audit-review.json,
entry-r02/capture.json, review/media.json and visual-review.json.
Source: scripts/research/siteat212_20260925/sit_transport_20261004/.