FIX-38/39 + Layer 1/2/3: Benchmark normalization + spelling safety + grammar rules

FIX-33b: Protect second+third preposition regexes with blocklist

Audit fixes: narrow FIX-35 suffixes, raise FIX-37 threshold, remove duplicate sort

Add test suite for FIX-33 through FIX-37 (29 tests)

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

Fix: Preserve input punctuation during grammar correction

Phase A: Full 320-test baseline — L1/L2/L3 complete (75.6% overall pass rate)

Cleanup pass 3: Delete debug_verdict.py, rewrite tasks/todo.md and src/README.md for v2.0

Cleanup pass 2: Fix .gitignore corruption, archive docs/audit + phase10 helpers, fix PROJECT_DESCRIPTION.md

Cleanup: Archive legacy scripts + phase reports, delete 35 orphaned files

Phase A: Upgrade L1 with TP/FP/FN/TN verdicts + word edits, add F1 scores to matrix

Phase A: Fix verdict logic - strip terminal punctuation before correction comparison

Phase A: Add v2.0 3-level test harness (L1 raw, L2 solo, L3 integrated + master matrix)

Phase 11.5: Adversarial diagnostic + 4 critical pipeline fixes

Phase 11: Hierarchical StageLocker — grammar overrides spelling locks

inspecting and auditing

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

Phase 12: Spelling pipeline integration + Benchmark integrity fixes

Phase 11: Add Finding 7 - Spelling ORTHO_PAIRS blocks keyboard typos

Phase 11 COMPLETE: All reports generated

Phase 11: Inline telemetry in API response

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

revert: restore backend/model files to cf07939 state, keep UI/UX changes only

feat: P1-P3 all 8 items - ta marbuta fix, UI feedback, caching, rate limiting, unit tests

fix: Pipeline hardening - 37 bugs + 10 edge cases (Round 1 + Round 2)

test: add 28 fix verification tests (S2 S3 P1 hamza relabeling) — 59 total

fix: QA sweep — 6 issues resolved (sidebar chips, corrected field, input sanitization, punc cap, docs, tests)

feat: Pipeline Hardening v3.3 — stage ownership, punctuation safety, UUID migration

ui: Clean up editor placeholder text and alignment (top-right)

authDone Ready for deployment