fix(render): resolve a relative stylesheet root before comparing it

[sebyx07]

CodeRabbit found this in its review of #528, and it checks out. loadApp('.') run from /app names a relative root. The Bun plugin hands the loader absolute paths, and no absolute path starts with a relative root, so classification fell back to reading the absolute path and the leading /app/ segment won again.

setStylesheetRoot now resolves the root against the working directory. A new test in module-loader.test.ts names a relative root app and failed before the fix.

bun run verify: 14/20 passed, 6 skipped.

🤖 Generated with Claude Code

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Summary by CodeRabbit

• Bug Fixes
  • Fixed stylesheet classification when the stylesheet root is specified as a relative path.

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ℹ️ Recent review info

⚙️ Run configuration

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Run ID: d992bb56-c710-411c-94a2-02d6db5946a1

📥 Commits

Reviewing files that changed from the base of the PR and between 3b0cf59 and be732c3.

📒 Files selected for processing (3)

• CHANGELOG.md
• packages/render/src/module-loader.test.ts
• packages/render/src/module-loader.ts

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📝 Walkthrough

Walkthrough

setStylesheetRoot now resolves defined roots against the working directory before reclassifying registered stylesheets. A test checks classification with a relative root, and the changelog records the fix.

Changes

Stylesheet root resolution

Layer / File(s)	Summary
Resolve and verify stylesheet roots packages/render/src/module-loader.ts, packages/render/src/module-loader.test.ts, CHANGELOG.md	setStylesheetRoot resolves defined roots against the working directory and then reclassifies registered stylesheets. A test checks that a stylesheet under the resolved root is classified as site. The changelog records this behavior.

Priority: ⬇️ Low

Estimated code review effort: 2 (Simple) | ~8 minutes

Change: Bug fix · Severity of issue fixed: Low

Merge Risk: ⚪ Minimal · up to be732

Relative app roots now classify absolute stylesheet paths as intended. No actionable merge-blocking risk was identified.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely describes the main change: resolving a relative stylesheet root before path comparison.
Docstring Coverage	✅ Passed	Docstring coverage is 100.00% which is sufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 1 functions across 2 files. (1 skipped: 1 …
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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