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docs: document ctx.launch availability contract for the AI builder#68

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pablopunk merged 1 commit into
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fractal-nvm-work-63-builder-lacks-guidance-ctx-launch-availability-b7d85b
Jun 21, 2026
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docs: document ctx.launch availability contract for the AI builder#68
pablopunk merged 1 commit into
mainfrom
fractal-nvm-work-63-builder-lacks-guidance-ctx-launch-availability-b7d85b

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The AI builder didn't know when ctx.launch is populated vs undefined, leading to fragile hasRenderedCache-style workarounds in generated extensions (~30 lines of state tracking in the screenshots extension alone).

What's changed

  • Builder system prompt now explicitly lists which code paths populate ctx.launch and which leave it undefined
  • ExtensionContext.launch TSDoc expanded with the full availability contract and the canonical ctx.launch?.refresh check idiom
  • Builder skill checklist updated with a rule against process-level workarounds

Why

Prompt + documentation-only. No host code changes — the host already populates ctx.launch correctly. The builder just didn't know the contract.

Closes #63

Add explicit guidance on when ctx.launch is populated (host-owned view
refreshes, declarative triggers, startup/wake/login) vs undefined (manual
palette opens, ctx.actions.run(), non-triggered ctx.views.refresh()), along
with a hard prohibition against hasRenderedCache-style workarounds.

Updates the builder system prompt (ai.ts), the API type TSDoc
(nevermind-extension-api.d.ts), and the builder skill checklist (SKILL.md).
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📒 Files selected for processing (3)
  • src/electron/ai.ts
  • src/resources/nevermind-extension-api.d.ts
  • src/resources/skills/nevermind-extension-builder/SKILL.md

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@pablopunk
pablopunk merged commit d6b5491 into main Jun 21, 2026
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@pablopunk
pablopunk deleted the fractal-nvm-work-63-builder-lacks-guidance-ctx-launch-availability-b7d85b branch June 21, 2026 18:25
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Builder lacks guidance on ctx.launch availability — when it'\''s populated and when it'\''s undefined

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