fix(cli): normalize Windows backslashes in registry path matching

[itssagarK]

Closes Issue #2932 Under GSSoC

Pull Request Description

### Title
fix(cli): normalize Windows backslashes in registry path matching

### Summary of Changes
- Updated `detectCategory` and `detectPackage` in `scripts/build-registry.ts` to normalize

backslashes with .replace(/\\/g, '/') prior to pattern matching.
- Updated scanDirectory to normalize ROOT and full path strings for accurate relative
path construction.
- Added unit tests in scripts/build-registry.test.ts verifying Windows backslash path
resolution for category detection.

Type of Change

• 🐛 Bug fix (type:bug)
• ✨ Feature (type:feature)
• 📝 Docs (type:docs)
• 🧪 Tests (type:testing)
• ♻️ Refactor (type:refactor)
• 🎨 Design / UX (type:design)
• ♿ Accessibility (type:accessibility)
• ⚡ Performance (type:performance)
• 🔧 DevOps / CI (type:devops)
• 🔒 Security (type:security)

Checklist

• ⭐ You starred the repo. The needs-star check blocks your merge otherwise.
• Tests pass locally: bun vitest run
• Build passes: bun run build
• Typecheck passes: bun run typecheck
• You read CONTRIBUTING.md.
• Your PR title follows type: short description.
• Widget state mutators call markDirty() (if your change affects rendering).
• No new any types without an inline comment explaining why.
• No unrelated refactors bundled into this PR.

GSSoC 2026 Participation

• You are a GSSoC 2026 contributor.
• Your GSSoC profile: https://gssoc.girlscript.org/profile/____

Screenshots / Recordings (UI changes)

Notes for the Reviewer

Summary by CodeRabbit

• Bug Fixes
  • Improved cross-platform file path handling during registry generation.
  • Corrected category and package detection for Windows-style paths.
  • Ensured generated registry entries use consistent relative paths across operating systems.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro Plus

Run ID: d29af2ea-9f10-4ef9-ab19-2fddfdbdddb9

📥 Commits

Reviewing files that changed from the base of the PR and between 452dcec and 368cda5.

📒 Files selected for processing (2)

• scripts/build-registry.test.ts
• scripts/build-registry.ts

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📝 Walkthrough

Walkthrough

Registry path categorization and directory scanning now normalize Windows backslashes to forward slashes. Tests verify hook detection for a Windows-style path.

Changes

Path normalization

Layer / File(s)	Summary
Normalize registry paths scripts/build-registry.ts, scripts/build-registry.test.ts	detectCategory, detectPackage, and scanDirectory normalize path separators before detection and relative-path generation; tests cover Windows-style hook paths.

Estimated code review effort: 2 (Simple) | ~10 minutes

Possibly related issues

• #2932 — Addresses Windows path normalization in registry category, package, and directory scanning logic.

Suggested reviewers: karanjot786

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title is concise, specific, and matches the main change to Windows path normalization.
Description check	✅ Passed	The description covers the change, type, checklist, GSSoC, and notes, but omits the package(s) section and a clearer issue link.
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.

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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[Karanjot786]

Thanks, but this reintroduces a double-push. scripts/build-registry.ts:374-377 — the new entries.push({ path: relPath, ... }) was added but the pre-existing entries.push({ path: full.replace(ROOT, "")..., ... }) right below it was not removed, so every scanned file is pushed into entries twice (duplicate registry entries with different path strings). Same regression as prior #2118. CI stays green because the tests exercise detectCategory/detectPackage with string literals, never scanDirectory output. Fix: replace the old push, do not add alongside it.

Checklist: [ ] one push per file (old push removed) [ ] a test asserting no duplicate entries