docs: surface the design-partner program

docs/assets/stylesheets/hayate.20260728.3.css → docs/assets/stylesheets/hayate.20260730.1.css

@@ -327,6 +327,125 @@
   justify-self: start;
 }
 
+.hayate-partners {
+  background: #dff6ef;
+  color: var(--hayate-ink);
+  margin: 0 calc(50% - 50vw);
+  width: 100vw;
+}
+
+.hayate-partners__inner {
+  display: grid;
+  gap: 2.5rem 5rem;
+  grid-template-columns: minmax(0, 1.2fr) minmax(17rem, 0.8fr);
+  margin: 0 auto;
+  max-width: none;
+  padding: 5.5rem max(2.4rem, calc((100vw - 68rem) / 2));
+}
+
+.hayate-partners h2 {
+  color: var(--hayate-ink);
+  font-size: clamp(2.2rem, 5vw, 4.4rem);
+  line-height: 0.98;
+  margin-bottom: 1.5rem;
+  max-width: 10ch;
+}
+
+.hayate-partners__copy > p:last-child {
+  color: #29443d;
+  font-size: 1.02rem;
+  line-height: 1.7;
+  max-width: 36rem;
+}
+
+.hayate-partners__tracks {
+  grid-column: 2;
+  grid-row: 1 / span 2;
+  list-style: none;
+  margin: 0;
+  padding: 0;
+}
+
+.hayate-partners__tracks li {
+  align-items: baseline;
+  border-bottom: 1px solid rgb(7 19 31 / 18%);
+  display: grid;
+  gap: 1rem;
+  grid-template-columns: 2.5rem 1fr;
+  padding: 1.2rem 0;
+}
+
+.hayate-partners__tracks li:first-child {
+  border-top: 1px solid rgb(7 19 31 / 18%);
+}
+
+.hayate-partners__tracks span {
+  color: var(--hayate-mint-dark);
+  font-family: var(--md-code-font);
+  font-size: 0.68rem;
+}
+
+.hayate-partners__tracks strong {
+  font-size: 1rem;
+}
+
+.hayate-partners__actions {
+  align-items: baseline;
+  display: flex;
+  flex-wrap: wrap;
+  gap: 1rem 1.6rem;
+}
+
+.hayate-partners__actions a {
+  color: var(--hayate-ink);
+  font-weight: 650;
+}
+
+.hayate-partners__apply {
+  align-items: center;
+  background: var(--hayate-ink);
+  border: 1px solid var(--hayate-ink);
+  color: var(--hayate-paper) !important;
+  display: inline-flex;
+  gap: 0.8rem;
+  min-height: 2.7rem;
+  padding: 0.55rem 0.9rem;
+  text-decoration: none;
+}
+
+.hayate-partners__apply span {
+  transition: transform 180ms ease;
+}
+
+.hayate-partners__apply:hover span,
+.hayate-partners__apply:focus-visible span {
+  transform: translateX(0.2rem);
+}
+
+[data-md-color-scheme="slate"] .hayate-partners {
+  background: #0e2a27;
+  color: var(--hayate-paper);
+}
+
+[data-md-color-scheme="slate"] .hayate-partners h2,
+[data-md-color-scheme="slate"] .hayate-partners__actions a {
+  color: var(--hayate-paper);
+}
+
+[data-md-color-scheme="slate"] .hayate-partners__copy > p:last-child {
+  color: #cbd9d6;
+}
+
+[data-md-color-scheme="slate"] .hayate-partners__tracks li {
+  border-color: rgb(244 247 245 / 18%);
+}
+
+[data-md-color-scheme="slate"] .hayate-partners__apply {
+  background: var(--hayate-mint);
+  border-color: var(--hayate-mint);
+  color: var(--hayate-ink) !important;
+}
+
 .hayate-final {
   text-align: center;
 }
@@ -392,7 +511,8 @@
   }
 
   .hayate-section--intro,
-  .hayate-proof {
+  .hayate-proof,
+  .hayate-partners__inner {
     display: block;
   }
 
@@ -415,6 +535,18 @@
     margin-top: 1.5rem;
   }
 
+  .hayate-partners__inner {
+    padding: 4rem 1.25rem;
+  }
+
+  .hayate-partners__tracks {
+    margin-top: 2.5rem;
+  }
+
+  .hayate-partners__actions {
+    margin-top: 2rem;
+  }
+
   .hayate-family-links a {
     gap: 0.4rem;
     grid-template-columns: 1fr;
@@ -433,7 +565,8 @@
   }
 
   .hayate-family-links a::before,
-  .hayate-hero__mark {
+  .hayate-hero__mark,
+  .hayate-partners__apply span {
     transition: none;
   }
 }

docs/index.md

@@ -89,6 +89,32 @@ description: One Fetch-style Python application across ASGI, Cloudflare Workers,
   <a class="md-button" href="evidence/">Read the evidence</a>
 </section>
 
+<section class="hayate-partners" aria-labelledby="partners-heading">
+  <div class="hayate-partners__inner">
+    <div class="hayate-partners__copy">
+      <p class="hayate-kicker">SHAPE THE V1 CONTRACT</p>
+      <h2 id="partners-heading">Bring a real workload.</h2>
+      <p>
+        Owner-external teams receive bounded onboarding help while Hayate
+        records the friction, fixes reproducible blockers, and bases v1
+        decisions on measured use.
+      </p>
+    </div>
+    <ol class="hayate-partners__tracks" aria-label="Design-partner tracks">
+      <li><span>01</span><strong>CPython / ASGI API</strong></li>
+      <li><span>02</span><strong>MCP or agent backend</strong></li>
+      <li><span>03</span><strong>Cloudflare Workers</strong></li>
+    </ol>
+    <div class="hayate-partners__actions">
+      <a
+        class="hayate-partners__apply"
+        href="https://github.com/hayatepy/.github/issues/new?template=design_partner.yml"
+      >Apply as a design partner <span aria-hidden="true">→</span></a>
+      <a href="contribute/#design-partners">Read the program details</a>
+    </div>
+  </div>
+</section>
+
 <section class="hayate-final">
   <p class="hayate-kicker">START FROM A TESTED COMPOSITION</p>
   <h2>From empty directory to passing production checks.</h2>

scripts/check_site.py

@@ -8,6 +8,9 @@
 from urllib.parse import unquote, urljoin, urlparse
 
 SITE_ORIGIN = "https://hayatepy.dev"
+DESIGN_PARTNER_APPLICATION = (
+    "https://github.com/hayatepy/.github/issues/new?template=design_partner.yml"
+)
 
 
 class PageParser(HTMLParser):
@@ -96,6 +99,8 @@ def validate(root: Path) -> list[str]:
             failures.append(
                 f"{relative}: images missing alt: {', '.join(parser.images_without_alt)}"
             )
+        if relative == Path("index.html") and DESIGN_PARTNER_APPLICATION not in parser.hrefs:
+            failures.append("index.html: missing direct design-partner application link")
 
         base = SITE_ORIGIN + page_url(path, root)
         for href in parser.hrefs:

tests/test_check_site.py

@@ -2,12 +2,19 @@
 
 from pathlib import Path
 
-from scripts.check_site import validate
+from scripts.check_site import DESIGN_PARTNER_APPLICATION, validate
 
 
-def write_page(root: Path, relative: str, *, href: str = "/target/") -> None:
+def write_page(
+    root: Path,
+    relative: str,
+    *,
+    href: str = "/target/",
+    include_application: bool = True,
+) -> None:
     path = root / relative
     path.parent.mkdir(parents=True, exist_ok=True)
+    application = f'<a href="{DESIGN_PARTNER_APPLICATION}">Apply</a>' if include_application else ""
     path.write_text(
         f"""<!doctype html>
 <html lang="en">
@@ -16,7 +23,7 @@ def write_page(root: Path, relative: str, *, href: str = "/target/") -> None:
   <meta name="description" content="Useful page">
   <link rel="canonical" href="https://hayatepy.dev/">
 </head>
-<body><main><h1>Page</h1><a href="{href}">Target</a></main></body>
+<body><main><h1>Page</h1><a href="{href}">Target</a>{application}</main></body>
 </html>
 """,
         encoding="utf-8",
@@ -32,3 +39,9 @@ def test_validates_nested_directory_links(tmp_path: Path) -> None:
 def test_reports_broken_internal_link(tmp_path: Path) -> None:
     write_page(tmp_path, "index.html", href="/missing/")
     assert validate(tmp_path) == ["index.html: broken internal link '/missing/'"]
+
+
+def test_reports_missing_design_partner_application_link(tmp_path: Path) -> None:
+    write_page(tmp_path, "index.html", href="/", include_application=False)
+
+    assert validate(tmp_path) == ["index.html: missing direct design-partner application link"]

zensical.toml

@@ -7,7 +7,7 @@ repo_url = "https://github.com/hayatepy/docs"
 repo_name = "hayatepy/docs"
 edit_uri = "edit/main/docs/"
 copyright = "Copyright © 2026 Yusuke Hayashi and the Hayate contributors"
-extra_css = ["assets/stylesheets/hayate.20260728.3.css"]
+extra_css = ["assets/stylesheets/hayate.20260730.1.css"]
 nav = [
   { "Home" = "index.md" },
   { "Get started" = [