Hide orphan json fences in chat bubbles (0.15.14).

Co-authored-by: Cursor <cursoragent@cursor.com>

Assets/assistent.bundle.js

@@ -138,6 +138,7 @@
     }
   }
   var FENCE_RE = /```(?:json)?\s*([\s\S]*?)```/gi;
+  var OPEN_FENCE_RE = /```(?:json)?/i;
   function has(obj, key) {
     return obj[key] !== void 0 && obj[key] !== null;
   }
@@ -194,6 +195,26 @@
     }
     return null;
   }
+  function stripFenceArtifacts(text) {
+    let t = String(text || "").replace(/\r\n/g, "\n");
+    t = t.replace(/```(?:json)?\s*[\s\S]*?```/gi, "");
+    t = t.replace(/```(?:json)?\s*[\s\S]*$/gi, "");
+    t = t.replace(/(?:^|\n)\s*```(?:json)?\s*(?=\n|$)/gi, "\n");
+    t = t.replace(/(?:^|\n)#{1,6}\s*JSON\s*Patch\s*(?=\n|$)/gi, "\n");
+    t = t.replace(/(?:^|\n)\s*JSON\s*Patch\s*:?\s*(?=\n|$)/gi, "\n");
+    return t.replace(/\n{3,}/g, "\n\n").trim();
+  }
+  function liveStreamProse(text) {
+    const t = String(text || "");
+    const open = t.search(OPEN_FENCE_RE);
+    if (open >= 0) {
+      const tail = t.slice(open);
+      if (!/```(?:json)?\s*[\s\S]*?```/i.test(tail)) {
+        return stripFenceArtifacts(t.slice(0, open));
+      }
+    }
+    return stripFenceArtifacts(visibleProse(t) || t);
+  }
   function extractPatch(text) {
     if (!text) {
       return { prose: text || "", patch: null };
@@ -224,24 +245,24 @@
     if (chosen) {
       const idx = lastTerminal ? lastTermIndex : lastAnyIndex;
       const len = lastTerminal ? lastTermLen : lastAnyLen;
-      const prose = (text.slice(0, idx) + text.slice(idx + len)).trim();
+      const prose = stripFenceArtifacts(text.slice(0, idx) + text.slice(idx + len));
       return { prose, patch: chosen };
     }
     const brace = text.lastIndexOf("{");
     if (brace >= 0) {
       const parsed = tryParsePatchJson(text.slice(brace));
       if (parsed) {
-        return { prose: text.slice(0, brace).trim(), patch: parsed };
+        return { prose: stripFenceArtifacts(text.slice(0, brace)), patch: parsed };
       }
     }
-    return { prose: text, patch: null };
+    return { prose: stripFenceArtifacts(text), patch: null };
   }
   function visibleProse(text) {
     const { prose, patch } = extractPatch(text);
     if (patch) {
       return prose || "";
     }
-    return String(text || "");
+    return stripFenceArtifacts(text);
   }
   function isTerminalStreamPatch(obj) {
     if (!obj || typeof obj !== "object") {
@@ -279,6 +300,8 @@
     SA2.extractPatch = extractPatch;
     SA2.generateFlagOn = generateFlagOn2;
     SA2.visibleProse = visibleProse;
+    SA2.stripFenceArtifacts = stripFenceArtifacts;
+    SA2.liveStreamProse = liveStreamProse;
   }
 
   // src/persist.js
@@ -1975,12 +1998,23 @@
       t = t.replace(/(^|[^*])\*([^*\n]+)\*(?!\*)/g, "$1<em>$2</em>");
       return t;
     }
-    function formatAssistantProseHtml(raw) {
+    function stripChatFenceArtifacts(raw) {
+      if (window.SA && typeof SA.stripFenceArtifacts === "function") {
+        return SA.stripFenceArtifacts(raw);
+      }
       let text = String(raw || "").replace(/\r\n/g, "\n");
-      text = text.replace(/(?:^|\n)#{1,6}\s*JSON\s*Patch\s*(?=\n|$)/gi, "\n");
-      text = text.replace(/(?:^|\n)\s*JSON\s*Patch\s*:?\s*(?=\n|$)/gi, "\n");
       text = text.replace(/```(?:json)?\s*[\s\S]*?```/gi, "");
-      text = text.replace(/\n{3,}/g, "\n\n").trim();
+      text = text.replace(/```(?:json)?\s*[\s\S]*$/gi, "");
+      return text.replace(/\n{3,}/g, "\n\n").trim();
+    }
+    function liveAssistantText(raw) {
+      if (window.SA && typeof SA.liveStreamProse === "function") {
+        return SA.liveStreamProse(raw);
+      }
+      return stripChatFenceArtifacts(raw) || String(raw || "");
+    }
+    function formatAssistantProseHtml(raw) {
+      let text = stripChatFenceArtifacts(raw);
       if (!text) {
         return "";
       }
@@ -2039,7 +2073,7 @@
       if (live) {
         body.classList.add("sa-prose", "sa-prose-live");
         body.classList.remove("sa-prose-rich");
-        body.textContent = raw;
+        body.textContent = liveAssistantText(raw);
         return;
       }
       body.classList.add("sa-prose", "sa-prose-rich");