⚡ Bolt: Cache Context Lexicon Regex Compilation

[zrt219]

💡 What: Added LRU caching (@functools.lru_cache) to _compiled_context_lexicon, _cue_pattern, and _terminator_pattern in openmed/openmed/clinical/context.py.
🎯 Why: Lexicon recompilation and complex regex string alternation were a significant bottleneck during NLP and clinical processing tasks, as they ran every time _compiled_context_lexicon was evaluated.
📊 Impact: Reduced _compiled_context_lexicon setup execution time from ~701ms/1000 calls down to ~1ms/1000 calls. Expect drastically lower CPU usage for bulk data pipelines doing text spanning/negation evaluation.
🔬 Measurement: Run unit tests using cd openmed && PYTHONPATH=. uv run pytest tests/unit/clinical/ and see consistent latency reduction on context evaluations. Checked using timeit modules locally.

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PR created automatically by Jules for task 11798646848209552240 started by @zrt219

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Project	Deployment	Actions	Updated (UTC)
zrt-bionemo	Ready	Preview, Comment	Jul 23, 2026 5:29pm