tui: improve text formatting in summary prompt to ensure proper XML wrapping

packages/opencode/src/session/summary.ts

@@ -81,10 +81,15 @@ export namespace SessionSummary {
           ),
           {
             role: "user" as const,
-            content: textPart?.text ?? "",
+            content: `
+              The following is the text to summarize:
+              <text>
+              ${textPart?.text ?? ""}
+              </text>
+            `,
           },
         ],
-        headers:small.info.headers,
+        headers: small.info.headers,
         model: small.language,
       })
       log.info("title", { title: result.text })
@@ -117,7 +122,7 @@ export namespace SessionSummary {
             `,
             },
           ],
-          headers: small.info.headers
+          headers: small.info.headers,
         })
         summary = result.text
       }