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S14 Reference-Capable Generation Investigation

status: user_decision_recorded
date: 2026-06-24
project: projects/2026-06-23-在路上
scope:
  - image-reference generation
  - identity consistency
  - s14 half-profile shot
non_goals:
  - no text-to-image baseline
  - no broad shot production
  - no API/Garden workflow

Purpose

This investigation tests whether the current usable image-generation path can truly use character image references for identity-critical scene generation.

The test uses S-14 because it is a high-risk half-profile identity shot. It compares two reference strategies with the same scene prompt:

Arm	Reference input	Purpose
A	`projects/2026-06-23-在路上/visual-system/characters/character-anchor-v2-codex-posture-test.png`	Test whether the full character anchor board can carry overall identity, clothing, posture, and props into a scene.
B	`projects/2026-06-23-在路上/visual-system/characters/character-anchor-v2-side-reference-crop-tight.png`	Test whether the side identity crop better preserves half-profile face, glasses, hair, beard, and age.

Files

s14-reference-test-plan.md: test design, evidence standard, and review rubric.
prompts/s14-anchor-board-reference-prompt.md: Arm A prompt.
prompts/s14-side-crop-reference-prompt.md: Arm B prompt.
generation-log.md: actual execution trace and reference-attachment evidence.
outputs/: generated candidates copied into the workspace.
reviews/: local review files and user decision conclusion.

Current Boundary

The current gpt-image-2 mode check returns B-or-C with no Garden API key. This investigation therefore tests the host built-in image-generation path, not Garden CLI/API generation.

For this investigation, a generation is considered reference-capable only if an actual image is made visible to the generation context before the call and the prompt explicitly assigns that image a reference role. A prompt that merely names a local file path is recorded as prompt-only and does not pass the reference-capability test.

Current Result

Two candidates were generated and copied into outputs/:

outputs/s14-anchor-board-reference-v1.png
outputs/s14-side-crop-reference-v1.png

Codex conclusion:

reviews/summary-and-rule-implications.md

User decision has been recorded in:

reviews/summary-and-rule-implications.md

The global Video Workbench rule was promoted into:

AGENTS.md
VIDEO_WORKBENCH.md

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