Add missing META.scm and ECOSYSTEM.scm

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: Jonathan D.A. Jewell

ECOSYSTEM.scm

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+;; SPDX-License-Identifier: AGPL-3.0-or-later
+;; SPDX-FileCopyrightText: 2025 Jonathan D.A. Jewell
+;; ECOSYSTEM.scm — standards
+
+(ecosystem
+  (version "1.0.0")
+  (name "standards")
+  (type "project")
+  (purpose "Project in the hyperpolymath ecosystem")
+
+  (position-in-ecosystem
+    "Part of hyperpolymath ecosystem. Follows RSR guidelines.")
+
+  (related-projects
+    (project (name "rhodium-standard-repositories")
+             (url "https://github.com/hyperpolymath/rhodium-standard-repositories")
+             (relationship "standard")))
+
+  (what-this-is "Project in the hyperpolymath ecosystem")
+  (what-this-is-not "- NOT exempt from RSR compliance"))

META.scm

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+;; SPDX-License-Identifier: AGPL-3.0-or-later
+;; SPDX-FileCopyrightText: 2025 Jonathan D.A. Jewell
+;;; META.scm — standards
+
+(define-module (standards meta)
+  #:export (architecture-decisions development-practices design-rationale))
+
+(define architecture-decisions
+  '((adr-001
+     (title . "RSR Compliance")
+     (status . "accepted")
+     (date . "2025-12-15")
+     (context . "Project in the hyperpolymath ecosystem")
+     (decision . "Follow Rhodium Standard Repository guidelines")
+     (consequences . ("RSR Gold target" "SHA-pinned actions" "SPDX headers" "Multi-platform CI")))))
+
+(define development-practices
+  '((code-style (languages . ("unknown")) (formatter . "auto-detect") (linter . "auto-detect"))
+    (security (sast . "CodeQL") (credentials . "env vars only"))
+    (testing (coverage-minimum . 70))
+    (versioning (scheme . "SemVer 2.0.0"))))
+
+(define design-rationale
+  '((why-rsr "RSR ensures consistency, security, and maintainability.")))