arikusi/nakkas

Model-facing DX release: every repair in this version targets the round-trips an AI wastes while talking to nakkas.

Fixed

• The slim registration schema silently stripped valid fields (such as canvas.preserveAspectRatio) before the handler ran. Every object in it is now passthrough; the full schema in the handler is the single validation authority.
• Validation cheat sheets taught field names that do not exist (spacingX, size, freqX). They now match the real schemas, new hints cover arc-group, scatter-group and path-group, and a test cross-checks every hint against the schema shape.
• Tool description corrections: hex-only applies to gradient stops and filter colors, not element fill/stroke; grid-group takes cols/rows; epitrochoid added to the parametric list; parametric size is set via scale.

Added

• Numeric string coercion on all number fields: letterSpacing: "6" or strokeWidth: "2.5" converts instead of failing, so CSS habits no longer cost a retry.
• Reference integrity checks before rendering: dangling url(#id) in fill/stroke/filter/clipPath/mask, use.href with no target, textPath.pathId missing from defs, dangling gradient href inheritance and duplicate IDs are rejected with the exact field path and the list of defined IDs.
• Attribute values blocked by the security filter now surface as a design note naming the omitted attribute instead of an stderr-only line.

Dogfood: pelican test (2026-07-07) — PASS

Releases now close with a pelican-on-a-bicycle run through the real MCP stdio layer against the fresh build: render, preview, critique, revise for at least three iterations, result saved dated into assets/. This round took 4 iterations and verified the repairs above live.

316 tests passing (20 new).