[Remove] terminal-hint visibility wrapper

[juanmaguitar]

Why

shouldShowTerminalHints() only wrapped Boolean(hasBuilt) at one renderer call site, creating a test-only abstraction rather than a reusable decision.

What changes

• Inline the existing boolean conversion in the renderer.
• Remove the visibility wrapper and its truthiness-only tests.
• Keep computeTerminalBusy() and its multi-state coverage unchanged.

How to test this

No user-visible surface changes. Run:

npm run lint
npm test

Expected: both commands pass; terminal hints remain hidden until a site has built.

Risks and limitations

Low risk: this preserves the exact existing boolean conversion at its sole call site.

Review outcome

0 [fix here] · 0 [follow-up]. The branch passed git diff --check, npm run lint, and npm test (1,256 tests).

Related

Fixes #427

[coderabbitai]

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📥 Commits

Reviewing files that changed from the base of the PR and between fd83488 and 7a40fcf.

📒 Files selected for processing (3)

• src/renderer/index.jsx
• src/renderer/terminal-hints.cjs
• tests/unit/terminal-hints.test.cjs

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[juanmaguitar]

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