docs: correct skills versioning and the Codex install target

Author: ericallam

docs/building-with-ai.mdx

@@ -22,7 +22,7 @@ We provide multiple tools to help AI coding assistants write correct Trigger.dev
 </Step>
 
 <Step title="Install Skills">
-  Portable instruction sets that teach any AI coding assistant Trigger.dev best practices: writing tasks, realtime frontends, and `chat.agent` AI agents. They ship with the CLI, version-matched to your SDK, and install into Claude Code, Cursor, VS Code (Copilot), and Codex / AGENTS.md.
+  Portable instruction sets that teach any AI coding assistant Trigger.dev best practices: writing tasks, realtime frontends, and `chat.agent` AI agents. They ship with the CLI, versioned with it, and install into Claude Code, Cursor, VS Code (Copilot), and AGENTS-compatible tools such as Codex via `.agents/skills/`.
 
   ```bash
   npx trigger.dev@latest skills

docs/mcp-agent-rules.mdx

@@ -11,7 +11,7 @@ sidebarTitle: "Agent rules"
 
 ## What changed
 
-Trigger.dev used to install per-tool *rule files* (`.cursor/rules/trigger.*.mdc`, regions in `CLAUDE.md`, and so on) fetched from GitHub. That has been replaced by [agent skills](/skills): `SKILL.md` directories in the open [Agent Skills standard](https://agentskills.io) that ship inside the CLI, version-matched to the Trigger.dev version you build against, and load on demand instead of always sitting in your context.
+Trigger.dev used to install per-tool *rule files* (`.cursor/rules/trigger.*.mdc`, regions in `CLAUDE.md`, and so on) fetched from GitHub. That has been replaced by [agent skills](/skills): `SKILL.md` directories in the open [Agent Skills standard](https://agentskills.io) that ship inside the CLI, versioned with it, and load on demand instead of always sitting in your context.
 
 The install command is the same, and now installs skills:
 

docs/skills.mdx

@@ -18,7 +18,7 @@ Each skill is a directory containing a `SKILL.md` file: YAML frontmatter (name,
 
 ## Installation
 
-The skills ship inside the `trigger.dev` CLI, version-matched to the SDK you have installed. Run:
+The skills ship inside the `trigger.dev` CLI and are versioned with it. Run:
 
 ```bash
 npx trigger.dev@latest skills
@@ -29,9 +29,10 @@ The CLI detects your installed AI tools, lets you pick which skills to install,
 When you run `trigger dev` for the first time, the CLI offers to install the skills for you.
 
 <Note>
-  Because the skills are bundled with the CLI, the guidance your assistant gets is pinned to the
-  Trigger.dev version you are actually building against, instead of always being the latest from the
-  internet.
+  Because the skills are bundled with the CLI, the guidance your assistant gets is pinned to the CLI
+  version that installs them. To keep it matched to the Trigger.dev version you are building
+  against, run the CLI pinned in your project (`pnpm exec trigger skills`) instead of
+  `npx trigger.dev@latest`.
 </Note>
 
 ### Non-interactive install