[AI-FSSDK] (DO NOT REVIEW) [FSSDK-12262] Exclude CMAB from UserProfileService#17
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[AI-FSSDK] (DO NOT REVIEW) [FSSDK-12262] Exclude CMAB from UserProfileService#17
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- Skip UPS lookup for CMAB experiments (line 462) - Skip UPS save for CMAB experiments (line 538) - Add decision reasons for UPS exclusion - Add comprehensive test for CMAB+UPS exclusion Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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Summary
This PR excludes CMAB (Contextual Multi-Armed Bandit) experiments from User Profile Service (UPS) sticky bucketing logic.
Related Jira Ticket: FSSDK-12262
Changes
optimizely/decision_service.py:get_stored_variation) for CMAB experimentsupdate_user_profile) for CMAB experimentstests/test_decision_service.py:test_get_variation_cmab_experiment_excludes_user_profile_serviceRationale
CMAB experiments should not use UPS for sticky bucketing because UPS maintains decisions across the experiment lifetime without considering TTL or user attributes, which contradicts CMAB's dynamic nature.
Test Results
All tests pass (49/49 in test_decision_service.py)
Quality Metrics
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