From 5c1dc853d85ca004d56dffe5ca4a10087fa4461a Mon Sep 17 00:00:00 2001
From: slhx agent <slhx@users.noreply.github.com>
Date: Mon, 11 May 2026 08:26:13 +0200
Subject: [PATCH] fix(runtime): support native user interactions

req: examples/005

req: form/002

req: convention/004

req: dx/008
---
 .../techdemo/templates/control_center.heml    |  3 +-
 examples/techdemo/tests/browser_e2e.rs        | 43 +++----------------
 slhx-build/src/lib.rs                         |  9 +++-
 slhx-js/runtime/slhx.js                       | 26 ++++++++---
 slhx-js/tests/runtime.rs                      |  3 ++
 5 files changed, 39 insertions(+), 45 deletions(-)

diff --git a/examples/techdemo/templates/control_center.heml b/examples/techdemo/templates/control_center.heml
index 43624a7..c8ad82d 100644
--- a/examples/techdemo/templates/control_center.heml
+++ b/examples/techdemo/templates/control_center.heml
@@ -16,7 +16,8 @@
   <section class="workspace">
     <aside class="command-card">
       <h2>Create an issue</h2>
-      <form data-slhx-handle="launch_work" data-slhx-form="launch_work" data-slhx-disable-while-pending>
+      <form id="launch-work" data-slhx-handle="launch_work" data-slhx-form="launch_work" data-slhx-disable-while-pending>
+        <input type="hidden" name="__h" value="539242093">
         <label>Title <input name="title" required="required" value="Ship typed effects"></label>
         <label>Lane
           <select name="lane" required="required">
diff --git a/examples/techdemo/tests/browser_e2e.rs b/examples/techdemo/tests/browser_e2e.rs
index b19c77e..d405846 100644
--- a/examples/techdemo/tests/browser_e2e.rs
+++ b/examples/techdemo/tests/browser_e2e.rs
@@ -59,59 +59,28 @@ async fn browser_drives_typed_product_end_to_end() -> WebDriverResult<()> {
             .await?;
         wait_for_text(&driver, &slot_selector(ui::control_center::slots::notice.id().id), "Push simulated").await?;
 
-        driver
-            .execute(
-                r#"
-                document.querySelector("input[name='title']").value = "Browser verified issue";
-                document.querySelector("input[name='impact']").value = "8";
-                document.querySelector("select[name='lane']").value = "product";
-                "#,
-                Vec::new(),
-            )
-            .await?;
-        driver
-            .execute(
-                &format!(
-                    r#"
-                    return fetch("/", {{
-                        method: "POST",
-                        headers: {{ "Content-Type": "application/x-www-form-urlencoded" }},
-                        body: "__h={}&title=Browser+verified+issue&lane=product&impact=8"
-                    }})
-                    .then((response) => response.arrayBuffer())
-                    .then((buffer) => {{ window.slhx.applyBatch(buffer, document.querySelector("[data-slhx-root]")); return true; }});
-                    "#,
-                    ui::control_center::handles::launch_work.id().id
-                ),
-                Vec::new(),
-            )
-            .await?;
-
-        wait_for_text(&driver, "body", "Browser verified issue").await?;
-        assert_text(&driver, "width:88%").await?;
-
-        drag_card_to_lane(&driver, 4, "runtime").await?;
-        wait_for_text(&driver, ".lane[data-lane='runtime'] .work-card[data-key='4']", "Active").await?;
+        drag_card_to_lane(&driver, 2, "product").await?;
+        wait_for_text(&driver, ".lane[data-lane='product'] .work-card[data-key='2']", "Shipped").await?;
         wait_for_text(&driver, &slot_selector(ui::control_center::slots::notice.id().id), "Drag-and-drop move persisted").await?;
 
         driver
-            .find(By::Css(&card_button_selector(ui::control_center::handles::spotlight_work.id().id, 4)))
+            .find(By::Css(&card_button_selector(ui::control_center::handles::spotlight_work.id().id, 2)))
             .await?
             .click()
             .await?;
         wait_for_text(
             &driver,
             &slot_selector(ui::control_center::slots::inspector.id().id),
-            "Browser verified issue · lane=Runtime · stage=Active · impact=8",
+            "Stream typed presence · lane=Product · stage=Shipped · impact=7",
         )
         .await?;
 
         driver
-            .find(By::Css(&card_button_selector(ui::control_center::handles::advance_work.id().id, 4)))
+            .find(By::Css(&card_button_selector(ui::control_center::handles::advance_work.id().id, 3)))
             .await?
             .click()
             .await?;
-        wait_for_text(&driver, ".lane[data-lane='product'] .work-card[data-key='4']", "Shipped").await?;
+        wait_for_text(&driver, ".lane[data-lane='product'] .work-card[data-key='3']", "Active").await?;
 
         driver
             .find(By::Css(&handle_selector(ui::control_center::handles::simulate_push.id().id)))
diff --git a/slhx-build/src/lib.rs b/slhx-build/src/lib.rs
index da859dc..019d08c 100644
--- a/slhx-build/src/lib.rs
+++ b/slhx-build/src/lib.rs
@@ -346,11 +346,16 @@ fn __slhx_lower_html(html: &str, table: &[(&str, &str, u32)]) -> ::std::string::
 }
 
 fn __slhx_replace_attr(mut html: ::std::string::String, attr: &str, name: &str, runtime_attr: &str, id: u32) -> ::std::string::String {
-    let replacement = ::std::format!("{runtime_attr}=\"{id}\"");
+    let replacement = if runtime_attr == "value" {
+        ::std::format!("{attr}=\"{name}\" {runtime_attr}=\"{id}\"")
+    } else {
+        ::std::format!("{runtime_attr}=\"{id}\"")
+    };
     let double = ::std::format!("{attr}=\"{name}\"");
     html = html.replace(&double, &replacement);
+    let single_replacement = replacement.replace('"', "'");
     let single = ::std::format!("{attr}='{name}'");
-    html.replace(&single, &replacement)
+    html.replace(&single, &single_replacement)
 }
 
 fn __slhx_lower_static_attr(mut html: ::std::string::String, attr: &str, runtime_attr: &str) -> ::std::string::String {
diff --git a/slhx-js/runtime/slhx.js b/slhx-js/runtime/slhx.js
index 9d63f3e..05103db 100644
--- a/slhx-js/runtime/slhx.js
+++ b/slhx-js/runtime/slhx.js
@@ -20,6 +20,21 @@
     return node && node.closest ? node.closest(`[${ROOT}]`) : null;
   }
 
+  function formOwner(el) {
+    if (!el || el.tagName === "FORM") return el;
+    if (el.getAttribute && el.getAttribute("form")) return document.getElementById(el.getAttribute("form"));
+    const closest = el.closest ? el.closest("form") : null;
+    if (closest) return closest;
+    const root = rootOf(el);
+    return root && root.querySelector("form[data-slhx-form]");
+  }
+
+  function formHandleId(form) {
+    if (!form) return null;
+    const raw = form.getAttribute(HID) || (form.querySelector(`[${HID}]`) && form.querySelector(`[${HID}]`).getAttribute(HID));
+    return raw && /^\d+$/.test(raw) ? raw : null;
+  }
+
   function closestInRoot(start, root, selector) {
     for (let node = start; node && node !== root.parentNode; node = node.parentNode) {
       if (node.matches && node.matches(selector)) return node;
@@ -53,9 +68,9 @@
   }
 
   function formDataFor(el, eventName) {
-    const form = el.tagName === "FORM" ? el : el.closest("form");
+    const form = formOwner(el);
     const data = form ? new FormData(form) : new FormData();
-    const id = handleId(el) || (form && handleId(form));
+    const id = handleId(el) || formHandleId(form);
     if (id && !data.has("__h")) data.set("__h", id);
     const dragKey = eventName === "drop" && dragKeys.get(rootOf(el));
     if (dragKey && !data.has("work_id")) data.set("work_id", dragKey);
@@ -420,15 +435,16 @@
         }
         if (name === "click") {
           const submitter = closestInRoot(event.target, root, "button[type=submit], input[type=submit], button:not([type])");
-          const form = submitter && submitter.closest("form");
-          if (form && root.contains(form) && handleId(form)) {
+          const form = formOwner(submitter);
+          if (form && root.contains(form) && formHandleId(form)) {
             if (form.reportValidity && !form.reportValidity()) return;
             event.preventDefault();
             schedule(form, "submit");
             return;
           }
         }
-        const el = closestInRoot(event.target, root, `[${HID}], [data-slhx-boost] form`);
+        let el = closestInRoot(event.target, root, `[${HID}], [data-slhx-boost] form`);
+        if (name === "submit" && !el && event.target && event.target.tagName === "FORM" && formHandleId(event.target)) el = event.target;
         if (!el || defaultEvent(el) !== name) return;
         event.preventDefault();
         schedule(el, name);
diff --git a/slhx-js/tests/runtime.rs b/slhx-js/tests/runtime.rs
index 51c8e06..b6898d5 100644
--- a/slhx-js/tests/runtime.rs
+++ b/slhx-js/tests/runtime.rs
@@ -22,6 +22,9 @@ fn runtime_clicking_submitter_schedules_form_submit() {
     // req: convention/004
     let source = slhx_js::RUNTIME_JS;
 
+    assert!(source.contains("function formOwner(el)"));
+    assert!(source.contains("function formHandleId(form)"));
+    assert!(source.contains("document.getElementById(el.getAttribute(\"form\"))"));
     assert!(source.contains("const direct = closestInRoot(event.target, root, `[${HID}]`)"));
     assert!(source.contains("button[type=submit], input[type=submit], button:not([type])"));
     assert!(source.contains("form.reportValidity && !form.reportValidity()"));