Hyperscript gallery: index page for gallery/

Adds the top-level gallery/index.sx that links into the one-per-file
gallery pages committed in the prior commit.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

sx/sx/applications/hyperscript/gallery/index.sx

@@ -0,0 +1,43 @@
+;; AUTO-GENERATED from spec/tests/hyperscript-upstream-tests.json
+;; DO NOT EDIT — regenerate with:
+;;   python3 tests/playwright/generate-sx-tests.py --emit-pages
+
+(defcomp ()
+  (~docs/page :title "Hyperscript test gallery (831 tests)"
+    (p :style "color:#57534e;margin-bottom:1rem"
+      "Live cards for every upstream _hyperscript behavioural test. "
+      "Each card renders the HTML into a sandbox, activates the hyperscript, "
+      "dispatches the action, and runs the assertion. Pass/fail is shown "
+      "with the same runtime path as the SX test suite.")
+    (ul :style "list-style:disc;padding-left:1.5rem"
+      (li :style "margin-bottom:0.25rem"
+        (a :href "/sx/(applications.(hyperscript.gallery-dom))" :style "color:#7c3aed;text-decoration:underline;font-weight:500"
+          "dom")
+        (span :style "color:#78716c;margin-left:0.5rem;font-size:0.875rem"
+          "(215 tests)"))
+      (li :style "margin-bottom:0.25rem"
+        (a :href "/sx/(applications.(hyperscript.gallery-control))" :style "color:#7c3aed;text-decoration:underline;font-weight:500"
+          "control")
+        (span :style "color:#78716c;margin-left:0.5rem;font-size:0.875rem"
+          "(65 tests)"))
+      (li :style "margin-bottom:0.25rem"
+        (a :href "/sx/(applications.(hyperscript.gallery-events))" :style "color:#7c3aed;text-decoration:underline;font-weight:500"
+          "events")
+        (span :style "color:#78716c;margin-left:0.5rem;font-size:0.875rem"
+          "(199 tests)"))
+      (li :style "margin-bottom:0.25rem"
+        (a :href "/sx/(applications.(hyperscript.gallery-reactivity))" :style "color:#7c3aed;text-decoration:underline;font-weight:500"
+          "reactivity")
+        (span :style "color:#78716c;margin-left:0.5rem;font-size:0.875rem"
+          "(107 tests)"))
+      (li :style "margin-bottom:0.25rem"
+        (a :href "/sx/(applications.(hyperscript.gallery-expressions))" :style "color:#7c3aed;text-decoration:underline;font-weight:500"
+          "expressions")
+        (span :style "color:#78716c;margin-left:0.5rem;font-size:0.875rem"
+          "(139 tests)"))
+      (li :style "margin-bottom:0.25rem"
+        (a :href "/sx/(applications.(hyperscript.gallery-language))" :style "color:#7c3aed;text-decoration:underline;font-weight:500"
+          "language")
+        (span :style "color:#78716c;margin-left:0.5rem;font-size:0.875rem"
+          "(106 tests)"))
+      )))