feat(registry): register Haec (trope-particularity language)

Add languages/haec.md (thin pointer) + index row; portfolio row; a README
Projects subsection; a TOOLING-STATUS row; and a clean LANGUAGES.a2ml stanza.
Haec is the front-end of the three-repo trope-particularity system (siblings:
trope-checker = Idris2 verified core + executable checker; trope-particularity-
workbench = the nine-effect vocabulary); shares the loss-with-residue substrate
with echo-types. Cut from fresh origin/main.

Author: hyperpolymath

.machine_readable/LANGUAGES.a2ml

@@ -396,3 +396,13 @@ kind = "Orchestration DSL"
 status = "external"
 canonical-repo = "hyperpolymath/kitchenspeak"
 note = "extracted from this coordinator; in-tree snapshot removed"
+
+# ─── Haec (trope-particularity) — clean stanza added 2026-06-22 ───
+[[language]]
+id = "haec"
+name = "Haec"
+repo = "https://github.com/hyperpolymath/haec"
+invariant = "Every quality-loss is graded and checked against its use"
+role = "Trope-particularity: graded property-instance loss, lowered to a language-neutral Trope IR, use-checked"
+ecosystem = ["https://github.com/hyperpolymath/trope-checker", "https://github.com/hyperpolymath/trope-particularity-workbench"]
+status = "design"

README.adoc

@@ -100,6 +100,21 @@ Status: partially implemented.
 
 ---
 
+=== Haec
+
+A Turing-complete language whose type discipline is *trope-particularity*: every
+operation on a property-instance carries a graded *loss-shape*, lowered to a
+language-neutral *Trope IR* and checked against a declared use-model by a separate,
+portable checker (`hyperpolymath/trope-checker`, an Idris2 verified core plus an
+executable). The named effects, residual, and verdict live in
+`hyperpolymath/trope-particularity-workbench`. Shares the loss-with-residue
+substrate with `echo-types`.
+
+Status: design (grammar + elaboration + round-tripping examples); the checker's
+verified core typechecks with no axioms.
+
+---
+
 === KitchenSpeak (experimental DSL — moved out)
 
 An experimental, formally-verified orchestration *DSL* for the domestic kitchen,

TOOLING-STATUS.adoc

@@ -53,6 +53,9 @@ Cross-axis invariants: ARG ≤ TRG always; ARG-A requires FRG ≥ B.
 | **JtV** | TBD | TBD | TBD | TBD | TBD | Profile not yet authored.
 | **Oblibeny** | TBD | TBD | TBD | TBD | TBD | Profile not yet authored.
 | **Error-lang** | TBD | TBD | TBD | TBD | TBD | Profile not yet authored.
+| **Haec**
+| TBD | TBD | TBD | TBD | FULL
+| Trope-particularity front-end (design pass: grammar + elaboration + round-tripping examples). Siblings: trope-checker (Idris2 verified core + executable checker, conformance), trope-particularity-workbench (the nine-effect vocabulary).
 | **Kitchenspeak** | TBD | TBD | TBD | TBD | TBD | Proofs commenced (Dough, PoachedEgg, EchoBridge); ADR 0001–0004; echo-types dependency. Profile not yet authored.
 | **Tangle** | TBD | TBD | TBD | TBD | TBD | Profile not yet authored.
 | **Me-dialect** | TBD | TBD | TBD | TBD | TBD | Profile not yet authored.

docs/language-portfolio.md

@@ -28,6 +28,7 @@ live in each language's own repo and in the coordinator's canonical trackers:
 | My-Lang | `hyperpolymath/my-lang` | Solo → Duet → Ensemble dialect family |
 | JtV | `hyperpolymath/jtv` | Systems language, Harvard architecture |
 | Error-Lang | `hyperpolymath/error-lang` | Pedagogical, systems thinking via errors |
+| Haec | `hyperpolymath/haec` | Trope-particularity: graded property-instance loss, use-checked |
 | Oblíbený | `hyperpolymath/oblibeny` | Turing-incomplete secure deployment |
 | Anvomidav | `hyperpolymath/anvomidav` | Hard real-time / formal verification |
 | betlang | `hyperpolymath/betlang` | Foundational / probabilistic experiment |

languages/README.md

@@ -18,6 +18,7 @@ Each language has one core invariant that defines its design philosophy.
 | [jtv](jtv.md) | Data and code are strictly separated |
 | [affinescript](affinescript.md) | Every resource is used at most once |
 | [ephapax](ephapax.md) | Every value can be consumed exactly once |
+| [haec](haec.md) | Every quality-loss is graded and checked against its use |
 
 Each row links to a thin pointer; the language itself lives in its own
 `hyperpolymath/<lang>` repo. For cross-language status see

languages/haec.md

@@ -0,0 +1,31 @@
+<!--
+SPDX-License-Identifier: MPL-2.0
+Copyright (c) Jonathan D.A. Jewell <j.d.a.jewell@open.ac.uk>
+-->
+# Haec
+
+> Every quality-loss is graded and checked against its use.
+
+**Canonical repository:** [hyperpolymath/haec](https://github.com/hyperpolymath/haec)
+
+Haec is a Turing-complete language whose type discipline is *trope-particularity*:
+every operation on a *property-instance* (a quality as borne by _this_ entity, in
+_this_ context) carries a *loss-shape grade*, and the surviving residue is judged
+against a declared *use-model*. Haec is one **front-end** of a three-repo system —
+it lowers programs to a language-neutral **Trope IR**; it defines neither the
+checker nor the vocabulary:
+
+- [hyperpolymath/trope-checker](https://github.com/hyperpolymath/trope-checker) —
+  the portable checker (Idris2 verified core + executable) that consumes the Trope
+  IR and returns a verdict (`p-sufficient` / `p-insufficient`) with a witness edge.
+- [hyperpolymath/trope-particularity-workbench](https://github.com/hyperpolymath/trope-particularity-workbench) —
+  the informal vocabulary (the nine named effects, the residual, the verdict).
+
+Shares the *irreversible-transformation-with-retained-residue* substrate with
+[`echo-types`](https://github.com/hyperpolymath/echo-types) (the graded-loss reading
+the calculus builds on).
+
+This coordinator only *indexes* the language. The implementation, specification,
+grammar, examples, and live status live in the canonical repositories above — not
+here. See also [`../.machine_readable/LANGUAGES.a2ml`](../.machine_readable/LANGUAGES.a2ml)
+and [`../TOOLING-STATUS.adoc`](../TOOLING-STATUS.adoc).