chore(site): complete served .well-known set (humans.txt, ai.txt)

The served site/.well-known/ had only security.txt; add humans.txt and
ai.txt to match the repo-root set.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

Author: hyperpolymath

site/.well-known/ai.txt

@@ -0,0 +1,17 @@
+# SPDX-License-Identifier: MPL-2.0
+# ai.txt - AI interaction policy
+# See: https://site.spawning.ai/spawning-ai-txt
+
+User-Agent: *
+Disallow-Training: yes
+Disallow-Summarization: no
+Disallow-Generation: yes
+
+# This project's code is licensed under MPL-2.0.
+# AI agents may read and analyze this code for assisting contributors.
+# AI agents must NOT use this code for model training without explicit consent.
+#
+# For AI agent integration instructions, see:
+#   0-AI-MANIFEST.a2ml (universal AI entry point)
+#   AI.a2ml (Claude-specific instructions)
+#   .machine_readable/ (structured project state)

site/.well-known/humans.txt

@@ -0,0 +1,14 @@
+# SPDX-License-Identifier: MPL-2.0
+# humanstxt.org
+
+/* TEAM */
+Maintainer: Jonathan D.A. Jewell (hyperpolymath)
+Contact: j.d.a.jewell@open.ac.uk
+From: United Kingdom
+
+/* SITE */
+Last update: 2026-03-02
+Standards: RSR (Rhodium Standard Repository)
+License: MPL-2.0
+Components: Idris2 ABI, Zig FFI
+Tools: just, Podman, Guix