Release 0.3.5

The relay's ack path is drawn under the stroke when the key's version
nibble is >= 2 (ADR-0014's ordered turning chain decodes to the
stroke itself); a v1 key's blob stays hidden. Safe to ship ahead of
the relay: nothing shows until the relay encodes v2.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

Cargo.lock

@@ -2948,7 +2948,7 @@ dependencies = [
 
 [[package]]
 name = "portal"
-version = "0.3.2"
+version = "0.3.5"
 dependencies = [
  "anyhow",
  "arc-swap",

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "portal"
-version = "0.3.2"
+version = "0.3.5"
 edition = "2021"
 
 [lib]

gesture.js

@@ -12,8 +12,10 @@
 //
 // When a relay URL is given, the widget also speaks the redoal-relay
 // protocol (ADR-0013 in the redoal repo): announce the stroke, receive
-// an ack carrying the stroke's gesture key + the key's own decoded
-// path ("what the network heard", drawn as a ghost), and receive
+// an ack carrying the stroke's gesture key plus the key's own decoded
+// path - "what the network heard", drawn as a ghost under the stroke
+// when the key is v2 or later (ADR-0014's ordered turning chain; a v1
+// key's histogram decode is a blob and stays hidden) - and receive
 // echoes of similar strokes other visitors drew, shown as thumbnails.
 // Everything network is best-effort: no relay, refused connection, or
 // a dropped socket all degrade to a plain offline drawing input.
@@ -26,13 +28,13 @@
 const THEMES = {
     dark: {
         stroke: '#8ec2c0',
-        ghost: 'rgba(255, 255, 255, 0.28)',
         echo: '#8ec2c0',
+        ghost: 'rgba(255, 255, 255, 0.28)',
     },
     light: {
         stroke: '#47807e',
-        ghost: 'rgba(29, 29, 27, 0.30)',
         echo: '#47807e',
+        ghost: 'rgba(29, 29, 27, 0.30)',
     },
 };
 
@@ -46,8 +48,8 @@ class GestureWidget {
         this.container = container;
         this.hidden = hidden || null;
         this.relayUrl = relayUrl || '';
-        this.points = [];
         this.ghost = null;
+        this.points = [];
         this.drawing = false;
         this.stopped = false;
         this.ws = null;
@@ -111,10 +113,10 @@ class GestureWidget {
         e.preventDefault();
         this.canvas.setPointerCapture(e.pointerId);
         // One stroke only - a new pointerdown replaces the old drawing
-        // (and any ghost/ambient trails from the previous round).
+        // (and any ghost from the previous round).
         this.drawing = true;
-        this.points = [this.pos(e)];
         this.ghost = null;
+        this.points = [this.pos(e)];
         this.render();
     }
 
@@ -215,7 +217,9 @@ class GestureWidget {
             if (this.points.length >= 2) {
                 this.setValue({ points: this.normalized(), key: msg.key });
             }
-            this.ghost = msg.path;
+            // Version nibble is the key's first hex digit.
+            const version = parseInt((msg.key || '0')[0], 16);
+            this.ghost = version >= 2 && Array.isArray(msg.path) ? msg.path : null;
             this.render();
         } else if (msg.type === 'echo') {
             this.addEchoThumbnail(msg);

src/app.rs

@@ -1177,7 +1177,17 @@ fn AlternativeCard(
                                     children=move |e| view! { <p class="alt-encouragement">{e}</p> }
                                 />
                             </div>
-                            {if is_gateway {
+                            {if alternative.disabled {
+                                // Advertised, not yet takeable: the label
+                                // stays (it says what will be possible),
+                                // the button doesn't act.
+                                view! {
+                                    <button type="button" class="alt-submit soon" disabled=true title="Not yet">
+                                        {button_label.clone()}
+                                    </button>
+                                }
+                                .into_any()
+                            } else if is_gateway {
                                 let href = alternative.action.clone().unwrap_or_default();
                                 view! {
                                     <a class="alt-submit" href=href>{button_label.clone()}</a>
@@ -1300,6 +1310,12 @@ fn ResourceValue(
         return view! { <p class="resource-empty">{empty}</p> }.into_any();
     }
     if let serde_json::Value::Array(items) = &value {
+        // Before the Answer parse below: an empty list deserializes as
+        // an (empty) Vec<Answer> too, and rendered as a blank
+        // answer-list instead of saying anything.
+        if items.is_empty() {
+            return view! { <p class="resource-empty">{empty}</p> }.into_any();
+        }
         if let Ok(answers) = serde_json::from_value::<Vec<Answer>>(value.clone()) {
             let mut answers = answers;
             answers.sort_by(|a, b| {
@@ -1332,9 +1348,6 @@ fn ResourceValue(
             }
             .into_any();
         }
-        if items.is_empty() {
-            return view! { <p class="resource-empty">{empty}</p> }.into_any();
-        }
         // A list of plain objects (e.g. a jq-shaped GiteaStarred/Url
         // resource) - render as cards rather than dumping raw JSON.
         // Generic on purpose, no content-declared "kind": `name`/`title`
@@ -1857,6 +1870,9 @@ pub async fn submit_answer(
         .iter()
         .find(|a| a.name == alternative)
         .ok_or_else(|| ServerFnError::new("unknown alternative"))?;
+    if alt.disabled {
+        return Err(ServerFnError::new("this alternative isn't open yet"));
+    }
     let next = alt.action.clone();
     let record_as = alt.record_as.clone();
 

src/content.rs

@@ -111,6 +111,11 @@ pub struct Alternative {
     pub description: String,
     #[serde(default)]
     pub action: Option<String>,
+    /// Shown but not takeable yet - the button renders disabled and the
+    /// server refuses the submission. For advertising a path before it
+    /// works (lysbue had the same flag).
+    #[serde(default)]
+    pub disabled: bool,
     #[serde(default)]
     pub consequence: Vec<String>,
     #[serde(default)]

style/main.css

@@ -675,6 +675,13 @@ textarea:focus {
   cursor: wait;
 }
 
+/* A content-disabled alternative (`disabled: true`): announced, not
+   yet takeable - reads as a promise, not as a stuck form. */
+.alt-submit.soon:disabled {
+  cursor: not-allowed;
+  opacity: 0.6;
+}
+
 .gate-card {
   text-align: center;
 }