feat: capture state and element evidence

tests/fixtures/context-risk.html

@@ -58,6 +58,42 @@
       <button type="submit">Submit search</button>
     </form>
 
+    <form>
+      <p>
+        This unnamed form deliberately contains a long body of descendant text that should remain available as bounded
+        context evidence but must not be promoted into the anchor name used for element identity. It describes internal
+        notes, operator workflow details, historical context, and extra explanatory copy that would make a noisy and
+        unstable identifier if copied into the context anchor name.
+      </p>
+      <label>
+        Unbounded Probe
+        <input name="unboundedProbe" />
+      </label>
+    </form>
+
+    <main aria-label="Operations">
+      <button data-testid="main-action">Main action</button>
+    </main>
+
+    <section aria-label="Duplicate controls">
+      <button>Duplicate</button>
+      <button>Duplicate</button>
+    </section>
+
+    <section role="dialog" aria-modal="true" class="open">
+      <span>Short volatile copy</span>
+      <button data-testid="short-dialog-action">Short dialog action</button>
+    </section>
+
+    <section role="dialog" aria-modal="true" class="open">
+      <p>
+        This unnamed dialog carries noisy descendant copy about multi-step operator notes, escalation background,
+        support annotations, internal timestamps, and other volatile details that must stay out of the dialog anchor
+        name while remaining available as bounded context text evidence for nearby actionable controls.
+      </p>
+      <button data-testid="dialog-probe">Dialog probe</button>
+    </section>
+
     <button disabled data-testid="disabled-open">Open disabled panel</button>
     <button data-testid="open-settings" onclick="document.getElementById('settings-dialog').classList.add('open')">Open settings</button>
     <section id="settings-dialog" role="dialog" aria-modal="true" aria-label="Settings dialog">