For people using coding agents regularly: do you still invest time in repo-level instruction files like CLAUDE.md, AGENTS.md, etc.?It s not a surprise that you don t expect the rules there to be followed even with less than 100 lines of changes. Yet still see folks like Karpathy post rules around with hundreds of stars.Tell me if you re still spending the effort of trying claude.md, and are they effective, what re you writing in it.