sampajāno = lucid-discerning, not "situational awareness" (B. Sujato translation), more than 'alert' (B. Thanissaro)
sampajāno = lucid-discerning in verb form: pajānāti (he discerns). See SN 54.1 , MN 10 , 3⚡💭 . Frequently occurs in the phrase S&S🐘💭 sati & sampajāno. Sampajāno is what Dhamma-vicaya 2💭🕵️ (Dharma investigation) does in the 7sb☀️ awakening factors. Sampajāno is equivalent and/or closely associated with pañña/discernment 5👁 , vimāmsa/discrimination of 4ip 🌕⚡ , right view 1👁 , vipassana/insight (see SN 46.3 ). Abhidhamma Vibhanga in this case agrees very much with the EBT suttas, that sampajano is far more than just "situational awareness". 4👑☸ → Vb → Tv Ab Vb 7 Sati-'paṭṭhāna-vibhaṅga (B. Anandajoti trans.) gloss: ‘Sampajāno.’, lucid-discerning [360] [360] ‘Sampajāno.’ ti ‘Full awareness.’ Tattha, katamaṁ sampajaññaṁ? Herein, what is full awareness?{27} Yā paññā pajānanā vicayo pavicayo dhammavicayo, That which is wisdom, knowing, investigation, deep investigation, invest...