Putting a Checkpoint at the Moment You Switch Models — Claude Code v2.1.251 Closes the Switch Hooks, the Cache Dial, and the Symlink Loophole All at Once
Claude Code v2.1.251 is out. It ships PreModelSwitch/PostModelSwitch hooks that intercept model switches, a prompt-cache breakdown and spend-limit bar in /cost, and a fix for a symlink loophole in file operations — all at once, shoring up the plumbing for unattended operation.