Update extension UI, spelling rules, and benchmark artifacts

Fix structural regressions

Fix 30 NLP edge cases in Grammar, Spelling, and Punctuation (Phase 10 results and Extension UI improvements)

fix: enable punctuation model for clean texts while keeping structural guards

feat: enhance extension UI and improve Smart Colon Guard

Fix HF_HOME caching in Dockerfile and update UI

feat(extension): update icons, fix logo in ui, and improve content script positioning/observers

UI/UX: Add Quran standalone tab, summarize textarea, floating selection bar, fix clear editor, remove duplicate button

Fix: TerminalPunctuationGuard for short phrases and comprehensive Nasb/Jazm grammar rules fixes

Phase 11.5: Adversarial diagnostic + 4 critical pipeline fixes

inspecting and auditing

Phase 12: Benchmark results — 89.3% pass rate (270 samples, 0 errors)

Phase 11: Telemetry instrumentation + OffsetMapper tests

FIX-27: Grammar structured data + hallucination protection

FIX-26: Reject punct substitution when original has punct

FIX-25: Block grammar punct spacing (حالك؟→حالك ؟)

FIX-24: Block grammar model punct stripping (البلاد.→البلاد)

FIX-23: Block grammar model tanween removal + HF log fetcher

HOTFIX: Remove broad preposition/nasb regex rules — caused Hallucination 0%, +38 FP

CRITICAL FIX: _DIRECTIONAL_BLOCKS was local scope → NameError in grammar diff filter

Phase 13: Grammar SV/gender whitelist, preposition/nasb regex, pronoun-h guard

Phase 12: Fix 6 batches — grammar pipeline bypass, religious/structured protection, punct rearrangement, SV/gender agreement