hidden tokens, long runs, repo memory

self.md radar — 2026-07-13 agent runs started showing their meter before the work even began: hidden harness tokens, hour-long terminal attempts, and repo memory that only pays off when it can prove what it saved. the useful through-line is cost with receipts. Systima measured what two coding harnesses send before the user prompt. Long-Horizon-Terminal-Bench made terminal agents sit with…