故事 #1 · · · Overview — the organ matrix: loop, tools, permission gate, context, sub-agents, read across Claude Code, OpenCode, Gemini CLI, and Aider ✓ 故事 #2 · · · OpenCode — the harness as an HTTP server: a server-side loop and a pull-based, network-resolved permission gate ✓ 故事 #3 · · · Gemini CLI — the permission gate as a priority-sorted TOML policy engine: ALLOW / ASK_USER / DENY decided by data, where even YOLO is a rule ✓ 故事 #4 · · · Other coding agents — Aider: the 'tool' is an edit format (SEARCH/REPLACE), not a tool_use loop; the harness parses the prose patch and anchors it to the file itself ✓