chore: add opsm.toml manifest for OPSM integration

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: hyperpolymath

opsm.toml

@@ -0,0 +1,23 @@
+# SPDX-License-Identifier: PMPL-1.0-or-later
+# Copyright (c) 2026 Jonathan D.A. Jewell (hyperpolymath) <j.d.a.jewell@open.ac.uk>
+#
+# error-lang package manifest — OPSM native.
+# This file makes error-lang a first-class OPSM/HFR package.
+
+[package]
+name = "error-lang"
+description = "Error-lang compiler — error-type-first language for robust system design"
+license = "PMPL-1.0-or-later"
+authors = ["Jonathan D.A. Jewell <j.d.a.jewell@open.ac.uk>"]
+keywords = ["error_lang", "hyperpolymath", "nextgen-languages", "compiler"]
+homepage = "https://github.com/hyperpolymath/nextgen-languages"
+repository = "https://github.com/hyperpolymath/nextgen-languages"
+forth = "error_lang"
+
+[opsm]
+trust_level = "hyperpolymath"
+registry = "hf"
+
+[dependencies]
+proven = { git = "https://github.com/hyperpolymath/proven", registry = "hf" }
+groove = { git = "https://github.com/hyperpolymath/groove", registry = "hf" }