Add OpenPsi emotion layer#18
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- Rename emotionP -> indicatorMembership for clarity (per review) - Add openpsi/tests/feeling_tests.metta: 22 unit tests covering fuzzy primitives, indicatorMembership per indicator case, Table 2 lookups, emotion intensities (paper Table 3 levels), and dominant emotion + gamma. All 22 pass.
Nahom32
requested changes
Jun 18, 2026
Add (: EmotionIndex ...) and (: EmotionModulator ...) type declarations matching core/state.metta style, per review feedback.
Nahom32
approved these changes
Jun 19, 2026
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This adds emotion support based on the OpenPsi paper (Cai et al. 2013, Sec 4.3). The system already tracks modulator values; this reads them and works out which emotion is felt — happy, sad, angry, or fear.
What was added
openpsi/config.metta: the emotion table (Table 2) and fuzzy-logic constantscore/helpers.py+core/helper.metta: three fuzzy functions (eqs. 2, 16, 17)openpsi/feeling.metta: the emotion logic — intensity per emotion (eq. 14), the membership function (eq. 15), and dominant-emotion selection with the gamma thresholdopenpsi/tests/feeling_tests.metta: 22 unit testsDesign notes
valencemodulator (as agreed), so the modulator vector is unchanged.How to run the tests
petta openpsi/tests/feeling_tests.metta