fix(observer): text-level markdown table wrapping for Discord — AG Native uses divs not HTML tables (v0.5.59) #task-634

extension/src/observer-script.ts

@@ -648,7 +648,63 @@ export function generateApprovalObserverScript(_port: number): string {
         }
     }
     
-    return finalLines.join('\\n').substring(0, 3500);
+    // v19: Post-process — wrap markdown table patterns in code blocks for Discord
+    // AG Native renders tables as divs, not <table> HTML, so DOM-level handler can't catch them.
+    // Detect consecutive lines with pipe separators (| col1 | col2 |) and wrap in code block fences
+    var bt = String.fromCharCode(96, 96, 96);
+    var result = [];
+    var tableBlock = [];
+    var inCodeBlock = false;
+    for (var fi = 0; fi < finalLines.length; fi++) {
+        var fl = finalLines[fi];
+        // Track existing code blocks to avoid double-wrapping
+        if (fl.trim().indexOf(bt) === 0) {
+            inCodeBlock = !inCodeBlock;
+            // Flush any pending table block before code block marker
+            if (tableBlock.length > 0) {
+                result.push(bt);
+                for (var ti = 0; ti < tableBlock.length; ti++) result.push(tableBlock[ti]);
+                result.push(bt);
+                tableBlock = [];
+            }
+            result.push(fl);
+            continue;
+        }
+        if (inCodeBlock) {
+            result.push(fl);
+            continue;
+        }
+        // Detect table row: has at least 2 pipe characters and content between them
+        var pipeCount = 0;
+        for (var pc = 0; pc < fl.length; pc++) { if (fl.charAt(pc) === '|') pipeCount++; }
+        var isTableRow = pipeCount >= 2 && fl.trim().charAt(0) === '|';
+        var isSeparator = isTableRow && /^[\\s|:-]+$/.test(fl.trim());
+        if (isTableRow) {
+            tableBlock.push(fl);
+        } else {
+            // Flush table block if it had enough rows (header + separator + data)
+            if (tableBlock.length >= 2) {
+                result.push(bt);
+                for (var ti2 = 0; ti2 < tableBlock.length; ti2++) result.push(tableBlock[ti2]);
+                result.push(bt);
+            } else {
+                // Not a real table, push lines back normally
+                for (var ti3 = 0; ti3 < tableBlock.length; ti3++) result.push(tableBlock[ti3]);
+            }
+            tableBlock = [];
+            result.push(fl);
+        }
+    }
+    // Flush trailing table block
+    if (tableBlock.length >= 2) {
+        result.push(bt);
+        for (var ti4 = 0; ti4 < tableBlock.length; ti4++) result.push(tableBlock[ti4]);
+        result.push(bt);
+    } else {
+        for (var ti5 = 0; ti5 < tableBlock.length; ti5++) result.push(tableBlock[ti5]);
+    }
+    
+    return result.join('\\n').substring(0, 3500);
   }
 
   function scanChatBodies() {