docs(ai-coders): wire cross-links from CONTRIBUTING.md + AGENTS.md + toctree

Author: mschaepers

AGENTS.md

@@ -7,6 +7,8 @@ description: Vendor-neutral rules for AI coding agents working on EMHASS source.
 
 This file documents rules for AI coding agents (Claude Code, Cursor, Aider, Copilot, Codex) working on EMHASS source. It complements `docs/develop.md` (canonical for humans) and does not duplicate its content. Where `docs/develop.md` already covers a topic, this file links and adds AI-specific constraints on top.
 
+*Humans driving an agent on this codebase: see [`docs/develop_ai_coders.md`](docs/develop_ai_coders.md) for the contributor-side companion to this file.*
+
 ## Repository layout
 
 - `src/emhass/` — core module: `optimization.py`, `forecast.py`, `retrieve_hass.py`, `web_server.py`, `command_line.py`, `utils.py`.

CONTRIBUTING.md

@@ -3,3 +3,5 @@
 Pull requests are very much accepted on this project. For development, you can find some instructions here [Development](https://emhass.readthedocs.io/en/latest/develop.html).
 
 For AI coding agents working on EMHASS source, see [`AGENTS.md`](AGENTS.md).
+
+Driving an AI coding agent on this codebase? See [`docs/develop_ai_coders.md`](docs/develop_ai_coders.md) for human-side guidance.

docs/section_reference.md

@@ -4,4 +4,5 @@
 :maxdepth: 2
 emhass
 develop
+develop_ai_coders
 ```