Deduplicate rule utilities and remove dead deslop internals

[cursor]

Summary

• Reuse canonical rule-key matching and shared JSX helpers instead of parallel implementations.
• Reuse the canonical React Native shadow-style constant.
• Remove dead deslop semantic/AST internals and a no-op empty entry glob.
• Discard the original branch's unsafe Fast Refresh rewrite.

Verification

• Full oxlint plugin suite: 986 files / 25,940 tests passed.
• Deslop suite: 520 tests passed.
• nr typecheck
• nr lint (passes with baseline warnings)
• nr format:check
• git diff --check
• Truffler pre/post deduplication search

---

Note

Low Risk
Mostly deduplication and dead-code removal with equivalent logic paths; the deslop entry-glob removal only drops a no-op scan.

Overview
Refactors shared matching and lint helpers without changing intended behavior: the diagnostic pipeline replaces separate ignore/app-only checks with one alias-aware matchesRuleKey helper and reuses a single ruleIdentifier through filtering and inline suppressions.

Deslop cleanup removes the unused contextStatus / contextMessage field from semantic analysis results (failures still surface via errors), deletes unused OXC AST child helpers, and stops scanning with an empty SCRIPT_ENTRY_PATTERNS glob that never matched anything.

Oxlint plugin routes forbid-elements, jsx-pascal-case, and spread-override messaging through existing shared utilities, and the React Native shadow rule uses the canonical LEGACY_SHADOW_STYLE_PROPERTIES set instead of a local duplicate.

^{Reviewed by Cursor Bugbot for commit 71799cd. Bugbot is set up for automated code reviews on this repo. Configure here.}

[cursor]

/rde parity

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commit: 71799cd

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Interactive terminal E2E

Recorded from the built CLI at 71799cd in a real terminal. The fixture holds Git busy for three seconds, so Scanning... must appear immediately after project selection, then exercises the compact interactive report.

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[aidenybai]

Reviewed after rebasing and narrowing against current main. The retained helper deduplication and dead-code removals are covered by full plugin/deslop suites and the complete CI matrix is green after the unrelated macOS timing flake passed on rerun.