Claude Code-style declarative permission rules for DeepSeek Harness: ordered allow/deny/ask rules with tool-name, argument (glob/regex), and workspace-path matching on the tools/pre-execute waterfall, session-log audit, and HMR reload.

Patch-style file editing for DeepSeek Harness: one apply_patch tool accepting git/unified diff (default) and Codex apply_patch syntax (opt-in), with all-or-nothing application, read-before-write intent dance, sandbox-aware delete/move, (declarative volat