feat(website): add @btravstack/entity to the stack

.changeset/entity-accent-token.md

@@ -0,0 +1,10 @@
+---
+"@btravstack/theme": minor
+---
+
+Add `--pkg-entity`, amber `#C8871F`, for `@btravstack/entity`.
+
+Amber encases and preserves — a thing suspended intact, permanently — which is
+sealed construction and immutable data. entity's docs previously used
+`--bt-pink-soft`, the org accent, which the multi-accent rule reserves for org
+chrome.

apps/website/.vitepress/theme/Landing.vue

@@ -44,8 +44,8 @@ interface Project {
   docs: string;
 }
 
-// unthrown leads: it's the base the two contract packages build on, and the
-// most versatile of the three.
+// Ordered as the stack reads — errors, the domain built on them, then the
+// transports that carry it. unthrown leads: the other three build on it.
 const projects: Project[] = [
   {
     key: "unthrown", tag: "Errors", name: "unthrown", pkg: "unthrown", npm: "unthrown",
@@ -55,6 +55,14 @@ const projects: Project[] = [
     install: "pnpm add unthrown",
     repo: "https://github.com/btravstack/unthrown", docs: "https://btravstack.github.io/unthrown/",
   },
+  {
+    key: "entity", tag: "Domain", name: "entity", pkg: "@btravstack/entity", npm: "@btravstack/entity",
+    logo: "/logos/entity", repoFull: "btravstack/entity", stars0: 3,
+    blurb: "Domain entities declared once. One field map gives you a type, four request/response schemas, behaviour, and a class that is itself a zod schema — so entities nest inside each other without losing what makes them entities.",
+    points: ["Branded fields and immutable data", "Sealed construction, enforced invariants", "Result instead of throws"],
+    install: "pnpm add @btravstack/entity",
+    repo: "https://github.com/btravstack/entity", docs: "https://btravstack.github.io/entity/",
+  },
   {
     key: "amqp", tag: "Messaging", name: "amqp-contract", pkg: "@amqp-contract/contract", npm: "@amqp-contract/contract",
     logo: "/logos/amqp-contract", repoFull: "btravstack/amqp-contract", stars0: 18,
@@ -73,7 +81,7 @@ const projects: Project[] = [
   },
 ];
 
-/** Every repo shown on the page — the three published packages. */
+/** Every repo shown on the page — the published packages. */
 const allRepos = projects;
 
 const stars = reactive<Record<string, number>>(
@@ -178,8 +186,8 @@ onMounted(() => {
 
     <!-- The stack — each package in its own color -->
     <section id="packages" class="btv-section">
-      <h2 class="btv-h2">Three libraries, one stack.</h2>
-      <p class="btv-section-lead">Errors, messaging and workflows — three focused packages that compose into one coherent backend.</p>
+      <h2 class="btv-h2">Four libraries, one stack.</h2>
+      <p class="btv-section-lead">Errors, domain, messaging and workflows — four focused packages that compose into one coherent backend.</p>
       <div class="btv-panels">
         <article v-for="p in projects" :key="p.name" class="btv-panel" :style="{ '--pkg': `var(--pkg-${p.key})` }">
           <div class="btv-panel-top">

design.md

@@ -9,7 +9,7 @@ grow.
 *colorful stack of distinct tools* on a near-neutral black canvas: the
 beetroot pink is the ORG accent (wordmark, links, CTAs, mascot), while each
 package glows in **its own accent** — amqp orange, temporal indigo, unthrown
-teal. Weight-contrast typography (one grotesque at 400 vs
+teal, entity amber. Weight-contrast typography (one grotesque at 400 vs
 800), elevation through surface lightness, real numbers in the hero, and the
 gradient beetroot mascot as the one character moment.
 
@@ -55,6 +55,7 @@ atmospheric (studied register — dark, quiet, confident; no blooms).
 | `--pkg-amqp` | `#FF6600` | darken 30% at point of use |
 | `--pkg-temporal` | `#6B76F2` | darken 30% at point of use |
 | `--pkg-unthrown` | `#3FB0A5` | darken 30% at point of use |
+| `--pkg-entity` | `#C8871F` | darken 30% at point of use |
 
 **The multi-accent rule (the studied signature).** The canvas and chrome are
 near-neutral; color belongs to the *products*. Package names, category dots
@@ -149,6 +150,7 @@ The canonical export lives at `packages/theme/src/tokens.css` (published as
   --pkg-amqp:      #FF6600;
   --pkg-temporal:  #6B76F2;
   --pkg-unthrown:  #3FB0A5;
+  --pkg-entity:    #C8871F;
   --font-display:  "Geist", sans-serif; /* 800 for display */
   --font-body:     "Geist", sans-serif;
   --font-mono:     "JetBrains Mono", monospace;

packages/theme/src/tokens.css

@@ -14,7 +14,7 @@
  * glows in ITS OWN accent — the org reads as a colorful stack of distinct
  * tools, not a monochrome brand. The beetroot pink is the ORG accent
  * (wordmark, links, org CTAs); the per-package accents (amqp orange,
- * temporal indigo, unthrown teal) carry the packages.
+ * temporal indigo, unthrown teal, entity amber) carry the packages.
  * Elevation through lightness, weight-contrast typography, real numbers.
  *
  * DARK is the canonical default. The light scheme overrides the semantic
@@ -43,6 +43,7 @@
   --pkg-amqp:     #FF6600;   /* RabbitMQ's orange */
   --pkg-temporal: #6B76F2;   /* Temporal's indigo */
   --pkg-unthrown: #3FB0A5;   /* outside the signal register: not a signal, a value */
+  --pkg-entity:   #C8871F;   /* amber encases and preserves: sealed, immutable */
 
   /* ── Surfaces (DARK scheme — canonical: near-neutral black) ──── */
   --bg:        oklch(13% 0.006 310);   /* ≈ #080709 — the canvas */