docs(wiki): add a Codeman Skill page with the skill GIFs

The skill only had a section inside "Driving Codeman From An Agent". It now
has its own page, docs/wiki/Codeman-Skill.md, built around three real runs:

- five Claude Code workers powering on in the tile grid (2026-10-15)
- eight worker tabs with lineage lines back to the lead (2026-10-15)
- a DeepSeek Harness worker and a Claude Code worker from one prompt
  (2026-10-10)

plus every install route, prompts that work as written, a run start to
finish, which workers it can drive, what it will and will not do on its
own, the Codex notes and what is in the skill. The page says that the grid
recording put each worker on the grid as it started, since sessions an
agent starts do not join the grid by themselves.

The agent page keeps a short skill section (the heading anchor stays) and
links to the new page; the sidebar, Home, FAQ and Settings Reference link
to it too. The FAQ answer no longer says the skill is enabled per case only.
docs/media-assets.md records the new embeds.

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

docs/wiki/Settings-Reference.md

@@ -146,7 +146,7 @@ instead of its native cloud backend. See [Custom Model Endpoints](Custom-Model-E
 | Allowed Tools                    | The list used by the explicit mode.                                                            |
 | Ralph / Todo Tracker             | Enables the Ralph loop surfaces.                                                               |
 | Agent Teams                      | Experimental teams. Also needs the CLI's own environment flag.                                 |
-| Codeman Agent Skill              | Under **All agent CLIs**. Injects the agent skill into each new session's case, where that session's CLI looks for skills (every CLI except Pi and a plain shell). Off by default. See [Driving Codeman From An Agent](Driving-Codeman-From-An-Agent). |
+| Codeman Agent Skill              | Under **All agent CLIs**. Injects the agent skill into each new session's case, where that session's CLI looks for skills (every CLI except Pi and a plain shell). Off by default. See [The Codeman Skill](Codeman-Skill). |
 | Remote auto-reconnect            | Reattaches dropped remote SSH sessions. On by default.                                         |
 | Nice priority / value            | Runs agent processes at a lower CPU priority.                                                  |
 | Default Codex model              | Model for new local Codex sessions; empty uses Codex's own config. Letters, digits, `.` `_` `-` `/` only. |