Add repository AGENTS guidance

AGENTS.md

@@ -0,0 +1,38 @@
+# Agents
+
+## Main directive
+
+Everything is a work in progress and can be improved.
+If you find a problem or improvement, fix if small; otherwise open an issue.
+
+## Repo guidance
+
+- [`README.md`](README.md) — what this repository is and its purpose as the
+  Process-PSModule framework.
+
+## PSModule Framework guidance
+
+Regarding repo structure, module source code, and how the Process-PSModule workflow
+works. For PSModule-specific build, layout, and process guidance:
+
+- [Process-PSModule docs](https://psmodule.github.io/docs/Modules/Process-PSModule/) —
+  repository structure, module anatomy, and the build/test/pack/publish pipeline.
+- [Repository defaults](https://psmodule.github.io/docs/Modules/Repository-Defaults/) —
+  the expected repository layout and required files.
+- [Standards](https://psmodule.github.io/docs/Modules/Standards/) — PowerShell module
+  coding standards.
+- [PSModule/memory](https://github.com/PSModule/memory) — durable cross-session agent
+  working memory for the PSModule organization.
+
+## Org-wide guidance
+
+For cross-cutting ways of working and standards:
+
+- [Agentic Development](https://msxorg.github.io/docs/Ways-of-Working/Agentic-Development/) —
+  how agents and humans collaborate in this ecosystem.
+- [Ways of Working](https://msxorg.github.io/docs/Ways-of-Working/) — contribution
+  workflow, branching, PRs, issues.
+- [Coding Standards](https://msxorg.github.io/docs/Coding-Standards/) — language-level
+  conventions.
+- [MSXOrg/memory](https://github.com/MSXOrg/memory) — durable agent working memory:
+  gotchas, knowledge, and agent role notes.