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gates: lib/ui has no surface gate — tools/ui_surface_check.sh (every export tested + documented, SDL fields under real input) was chartered but never built

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Assessment

Difficulty
4/5
Estimated time
3-5 days
Newbie friendliness
68/100
Issue type
Feature
Clarity
Clearly specified
Activity status
Active
Tech stack
c, shell
Domain
ci-cd, testing, tooling

Research direction

Read hq/roles/ui-toolkit.md and hq/ROSTER.md, then inspect tools/ui_surface_check.sh's intended inputs alongside lib/ui*.eigs, tests/test_ui.eigs, docs/STDLIB.md, and src/ext_gfx.c. Check the make gfx CI leg and the existing #599 field context first. Done means the script is wired into CI, starts red with a ratchet, and its selftest planted fault goes red.

Written by the indexing model from the issue text.

Description

area:gates area:gfx kind:gate-defect

The UI Toolkit Engineer charter (hq/roles/ui-toolkit.md, hq/ROSTER.md) names tools/ui_surface_check.sh --selftest as its mechanical pass bar:

  • every top-level define in lib/ui*.eigs asserted in tests/test_ui.eigs and documented in docs/STDLIB.md;
  • every SDL field src/ext_gfx.c decodes covered by a real-input check in the make gfx leg;
  • the gate proven by a planted fault (re-delete #599's Uint32 state field → red).

The script does not exist (found 2026-09-22 during the prompt audit). Meanwhile the surface grew from 280 top-level defines (e4e4dd4, at hire) to 380 today, with no ratchet. #599 is the incident the gate exists for: a missing SDL struct field broke every real mouse drag in every gfx app while tests/test_ui.eigs stayed green because it stubs gfx_*.

Bar: the script exists, is wired into CI, starts red with a ratchet (never baselined at today's number), and its selftest plant goes red.

Dominant language
C
Stars
3
Forks
7
Avg merge
4h 15m
Merged PRs (30d)
106

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