928d613190
The 1094-line agent_tools.rs is split: - worktree.rs: tool_create/list/remove_worktree, tool_get_editor_command, get_worktree_commits + their tests (~190 lines) - mod.rs: agent lifecycle tools (start/stop/list/output/config/wait/ remaining_turns_and_budget/read_coverage helper) + their tests Tests stay co-located. All 2636 tests pass; clippy clean.