diff --git a/hubzilla/addon/scn01/scn01.php b/hubzilla/addon/scn01/scn01.php
index 56e2bb5..954f84d 100644
--- a/hubzilla/addon/scn01/scn01.php
+++ b/hubzilla/addon/scn01/scn01.php
@@ -1,9 +1,9 @@
 <?php
 
 /**
- * Name: SCN01 Vital Signs
- * Description: Public civic diagnostic — the ten structural preconditions of an HOA association.
- * Version: 0.1.0
+ * Name: SCN01 Scenarios
+ * Description: Public civic diagnostic — browse and submit diagnostic scenarios.
+ * Version: 0.2.0
  * MinVersion: 11.0
  * MaxVersion: 12.0
  */
@@ -32,46 +32,92 @@ function scn01_load_pdl(&$b) {
     }
 }
 
-// ----------------------------------------------------------------------------
+// ---------------------------------------------------------------------------
 // HELPERS
-// ----------------------------------------------------------------------------
+// ---------------------------------------------------------------------------
 
 function scn01_h($value) {
     return htmlspecialchars((string) $value, ENT_QUOTES, 'UTF-8');
 }
 
-// ----------------------------------------------------------------------------
+// ---------------------------------------------------------------------------
 // ACCESS
-// ----------------------------------------------------------------------------
+// ---------------------------------------------------------------------------
 
-function scn01_access_state() {
-    if (!local_channel()) {
+function scn01_access_state($association_slug = '') {
+    // Operator check — association channel owner (local channel only)
+    if (local_channel()) {
+        $channel = App::get_channel();
+        if (local_channel() === intval($channel['channel_id'])) {
+            return 'operator';
+        }
+    }
+
+    if (!$association_slug) {
         return 'public';
     }
 
-    $channel = App::get_channel();
+    // Load association config from vs01 — the single source of truth.
+    $raw = @file_get_contents('addon/vs01/config.json');
+    if ($raw === false) return 'public';
+    $cfg = json_decode($raw, true);
+    if (json_last_error() !== JSON_ERROR_NONE) return 'public';
 
-    if (local_channel() === intval($channel['channel_id'])) {
-        return 'operator';
+    $assoc = $cfg['associations'][$association_slug] ?? null;
+    if (!$assoc) return 'public';
+
+    // get_observer_hash() works for both local channels and guest token visitors.
+    $observer = get_observer_hash();
+    if (!$observer) return 'public';
+
+    $groups = $assoc['groups'] ?? [];
+
+    // Direct pgrp_member query — does not call local_channel(), works for guest tokens.
+
+    // Corpus Builder — highest participant tier
+    $cb_gid = intval($groups['corpus_builder'] ?? 0);
+    if ($cb_gid) {
+        $r = q("SELECT xchan FROM pgrp_member WHERE gid = %d AND xchan = '%s' LIMIT 1",
+            intval($cb_gid),
+            dbesc($observer)
+        );
+        if ($r) return 'participant';
     }
 
-    $config = scn01_load_config();
-    $gid    = intval($config['corpus_builder_group_id'] ?? 0);
-
-    if ($gid && in_array(get_observer_hash(), group_get_members_xchan($gid))) {
-        return 'participant';
+    // SASE Participant
+    $sase_gid = intval($groups['sase_participant'] ?? 0);
+    if ($sase_gid) {
+        $r = q("SELECT xchan FROM pgrp_member WHERE gid = %d AND xchan = '%s' LIMIT 1",
+            intval($sase_gid),
+            dbesc($observer)
+        );
+        if ($r) return 'participant';
     }
 
-    return 'denied';
+    // Civic Professional
+    $prof_gid = intval($groups['civic_professional'] ?? 0);
+    if ($prof_gid) {
+        $r = q("SELECT xchan FROM pgrp_member WHERE gid = %d AND xchan = '%s' LIMIT 1",
+            intval($prof_gid),
+            dbesc($observer)
+        );
+        if ($r) return 'participant';
+    }
+
+    return 'public';
 }
 
-function scn01_access_wall() {
+function scn01_access_wall($association_slug = '') {
+    $raw   = @file_get_contents('addon/vs01/config.json');
+    $cfg   = $raw ? json_decode($raw, true) : [];
+    $assoc = $association_slug ? ($cfg['associations'][$association_slug] ?? null) : null;
+    $name  = $assoc ? scn01_h($assoc['name']) : 'this association';
     return '
         <div class="scn01-content">
             <div class="alert alert-info" role="alert">
-                <strong>HOA_MEMBER standing required to submit.</strong>
-                Vital Signs are public and readable by anyone.
-                To submit a Vital Signs record for your association, you must complete the SASE process.
+                <strong>HOA_MEMBER standing required to submit a record for ' . $name . '.</strong>
+                Scenarios are public and readable by anyone.
+                To submit a record, you must complete the SASE process.
                 Visit <a href="https://directory.diagnostics.kane-il.us/channel/theron">
                     directory.diagnostics.kane-il.us
                 </a> to begin.
@@ -80,9 +126,9 @@ function scn01_access_wall() {
     ';
 }
 
-// ----------------------------------------------------------------------------
+// ---------------------------------------------------------------------------
 // CONTENT
-// ----------------------------------------------------------------------------
+// ---------------------------------------------------------------------------
 
 function scn01_content() {
     if (function_exists('head_add_css')) {
@@ -92,23 +138,25 @@ function scn01_content() {
         head_add_js('/addon/scn01/view/js/scn01.js');
     }
 
-    $access = scn01_access_state();
+    $association_slug = argv(1) ?? '';
+
+    $access = scn01_access_state($association_slug);
 
     // scn01 is public — access wall only gates submission, not reading
     if ($_SERVER['REQUEST_METHOD'] === 'POST') {
-        if ($access === 'public' || $access === 'denied') {
-            return scn01_access_wall();
+        if ($access === 'public') {
+            return scn01_access_wall($association_slug);
         }
         // TODO: handle POST submission
-        return scn01_access_wall();
+        return scn01_access_wall($association_slug);
     }
 
     return scn01_render_main($access);
 }
 
-// ----------------------------------------------------------------------------
+// ---------------------------------------------------------------------------
 // RENDER
-// ----------------------------------------------------------------------------
+// ---------------------------------------------------------------------------
 
 function scn01_render_main($access) {
     $out  = '<div class="scn01-content">';
@@ -117,7 +165,7 @@ function scn01_render_main($access) {
     $out .= '<p class="text-muted">Browse diagnostic scenarios. When you find one close to your situation, submit your account in your own words.</p>';
     $out .= '</div>';
 
-    // TODO: render the ten Vital Signs
+    // TODO: render scenarios
 
     $out .= '<div class="scn01-placeholder text-muted fst-italic">Content forthcoming.</div>';
     $out .= '</div>';
@@ -125,9 +173,9 @@ function scn01_render_main($access) {
     return $out;
 }
 
-// ----------------------------------------------------------------------------
+// ---------------------------------------------------------------------------
 // CONFIG
-// ----------------------------------------------------------------------------
+// ---------------------------------------------------------------------------
 
 function scn01_load_config() {
     $path = 'addon/scn01/config.json';
@@ -137,9 +185,9 @@ function scn01_load_config() {
     return (json_last_error() === JSON_ERROR_NONE) ? $data : [];
 }
 
-// ----------------------------------------------------------------------------
+// ---------------------------------------------------------------------------
 // CSRF
-// ----------------------------------------------------------------------------
+// ---------------------------------------------------------------------------
 
 function scn01_csrf_token() {
     if (empty($_SESSION['scn01_csrf'])) {