chore: add META.scm ecosystem metadata

Author: hyperpolymath

META.scm

@@ -0,0 +1,24 @@
+;; SPDX-License-Identifier: AGPL-3.0-or-later
+;; SPDX-FileCopyrightText: 2025 Jonathan D.A. Jewell
+;;; META.scm — universal-language-server-plugin
+
+(define-module (universal-language-server-plugin meta)
+  #:export (architecture-decisions development-practices design-rationale))
+
+(define architecture-decisions
+  '((adr-001
+     (title . "RSR Compliance")
+     (status . "accepted")
+     (date . "2025-12-15")
+     (context . "> *One server. All editors. Universal document conversion.*")
+     (decision . "Follow Rhodium Standard Repository guidelines")
+     (consequences . ("RSR Gold target" "SHA-pinned actions" "SPDX headers" "Multi-platform CI")))))
+
+(define development-practices
+  '((code-style (languages . ("CSS" "Dockerfile" "Emacs Lisp" "HTML" "JavaScript" "Just" "Kotlin" "Lua" "Nix" "Python" "Rust" "Scheme" "TypeScript")) (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.")))