[git-chad]

Photographic Cells reveals rectangular blocks selected from a photo’s light areas, dark areas, or a seeded random pattern. The interiors retain full image detail. Cutout clears gaps and unselected cells; inside a group those holes reveal external layers. Keep Image preserves the original photograph and adds only the selected outlines.

Adds cell size/aspect, staggered row irregularity, selection threshold/inversion, seed, gaps, soft edges, and colored outlines. Includes editor/runtime rendering, public config export, grouped coverage, and a photographic catalog preview. This is the first prototype of the cell/block family in roadmap 3.2–3.3; temporal video refinement and wider artistic-reference/performance validation remain open.

Also applies the user’s supplied defaults to newly added Displaced Rings: 22 half-discs, radius 2, 45° per ring, zero offset/gap, Distort output. Saved explicit parameters are unchanged; missing saved fields retain the old values and renderer fallbacks remain unchanged. The roadmap records deferred Pass Through groups and a proposed Circle/Triangle/Square extension for later discussion; no new ring shapes are implemented here.

Stacked on #158 (git-chad/v3-group-drag-drop), under integration #150. Nothing merges to main until V3 is complete.

Validation:

• bun run check passes (three pre-existing local lint warnings).
• bun run test:composition passes with all frozen baselines, ring-default compatibility checks, and 104 editor/runtime GPU cases for cells.
• New coverage includes preserved photographic detail, tone/random/inverted selection, deterministic seeds, gaps/soft edges/outlines, opacity, parameter extremes, and rectangular output.
• Actual editor hydration, history restoration, save/reopen, group isolation, exported headless runtime config, and preview/PNG checks pass.
• Local browser test passes for catalog insertion, cell selection/output/threshold/size/outline controls, and the new ring defaults. Photographic output and editor controls inspected.

The user accepted the layer as a useful prototype and reported outline thickening when Gap changes. Fixed that in editor/runtime by subtracting inset coverage instead of multiplying overlapping edge fades; 64 added GPU cases check visible stroke width across gaps, widths, softness, and both output modes. The old implementation fails the regression.

Added durable agent instructions and a visual-reference index. The connected stepped silhouettes/perimeter contours in reference 11 and broad color regions/fine dots in reference 05 remain explicit unfinished visual scope. All sixteen references are backed up locally, outside the product bundle. See tests/composition/PHOTOGRAPHIC-CELLS-MANUAL-QA.md for the focused test and prototype limits.

[vercel]

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Project	Deployment	Actions	Updated
shader-lab	Ready	Preview	Oct 1, 2026 7:05am UTC

[greptile-apps]

Confidence Score: 5/5

The PR appears safe to merge with no actionable correctness, security, or repository-rule issues identified.

Summary

This PR adds Photographic Cells across the editor and public runtime, including tone/random selection, cell geometry, cutout and keep-image output, outlines, persistence, export, catalog presentation, and composition coverage. It also applies curated defaults to newly created Displaced Rings while preserving missing saved parameters with the previous defaults.

• Adds matching editor and package-runtime shader implementations.
• Integrates the effect with layer creation, rendering, project hydration, and runtime config export.
• Adds broad GPU, persistence, grouping, and preview/export coverage.
• Updates documentation and manual QA guidance for both effects.

_{Reviews (1) · Last reviewed commit: "Add photographic cell cutouts and curate..."}