[gold-silver-copper]

meta is removing meta git snapshot (owner's decision, 2026-10-25: nobody uses it; PR set linked below). The guard's built-in denial messages told agents to run it, which will fail.

What changed

• .claude/agent-guard.toml (the embedded defaults): every "meta git snapshot create/restore" hint is replaced. git reset --hard now suggests committing or git stash push -u first and git reflog to go back to an earlier commit; force push suggests git fetch and a backup branch at origin/<branch> (the remote tip it would destroy); git branch -D suggests a backup branch; git clean, git checkout . suggest git stash; the two stash hints that claimed a snapshot "captures all stashes" are dropped. Byte-identical to the copy in the gitkb/meta root.
• The unit test and bats test that asserted the reset --hard message mentions "snapshot" now assert it mentions git reflog; README table row updated.

Not changed, needs a decision: agent score still has a "snapshot safety" metric (25% of the overall score) that counts meta git snapshot create before destructive commands, and recommends it. With the command gone, that metric can only score 0 when destructive commands are present. Dropping or replacing it (e.g. with "commit or stash before destructive commands") changes the scoring, so I left it for you.

• Also: two sort_by calls (guard.rs, score.rs) become sort_by_key(... Reverse ...), because the current toolchain's clippy (unnecessary_sort_by) fails CI on main's code; behavior is unchanged.

Verified: cargo test (126 tests) and tests/guard.bats pass.

Linked PRs (same branch fix/meta-git-safety)

• fix(worktree): check every repo before deleting a worktree set; remove snapshot meta_git_lib#18
• fix(worktree): never delete or misreport what meta didn't check; remove snapshot meta_git_cli#33
• test(worktree): prune keeps worktrees that aren't really orphaned; remove snapshot docs meta#115
• docs: stop pointing at meta git snapshot meta_cli#42
• feat!: remove the meta_snapshot_* MCP tools meta_mcp#13

Companions that don't depend on the code above (can merge on their own):

• docs: drop snapshots from the loop/meta comparison loop_cli#15
• fix(guard): stop suggesting meta git snapshot #5
• https://github.com/gitkb/harmony/pull/155

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