Benjamin Admin 21ea458fcf feat(ocr-review): replace LLM with rule-based spell-checker (REVIEW_ENGINE=spell) ...

- Add pyspellchecker (MIT) to requirements for EN+DE dictionary lookup
- New spell_review_entries_sync() + spell_review_entries_streaming():
  - Dictionary-backed substitution: checks if corrected word is known
  - Structural rule: digit at pos 0 + lowercase rest → most likely letter
    (e.g. "8en"→"Ben", "8uch"→"Buch", "5ee"→"See", "6eld"→"Geld")
  - Pattern rule: "|." → "1." for numbered list prefixes
  - Standalone "|" → "I" (capital I)
  - IPA entries still protected via existing _entry_needs_review filter
  - Headings/untranslated words (e.g. "Story") are untouched (no susp. chars)
- llm_review_entries + llm_review_entries_streaming: route via REVIEW_ENGINE
  env var ("spell" default, "llm" to restore previous behaviour)
- docker-compose.yml: REVIEW_ENGINE=${REVIEW_ENGINE:-spell}
- LLM code preserved for fallback (set REVIEW_ENGINE=llm in .env)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

2026-03-03 15:04:27 +01:00

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