Even putting "ggrep not grep, gsed not sed" (on a Mac with old default tools) in ~/.claude/CLAUDE.md isn't solid. Tool-use hooks to block the wrong tools and su

Even putting "ggrep not grep, gsed not sed" (on a Mac with old default tools) in ~/.claude/CLAUDE.md isn't solid. Tool-use hooks to block the wrong tools and suggest the newer ones sorta works.