Ship Assistent 0.15.2: apply closed generate patches immediately, recover stalled streams, and skip repeat greetings when a chat already has replies.

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

AssistentPatch.cs

@@ -46,7 +46,7 @@ public partial class SwarmAssistentExtension
                 patch["look_at"] = patch["vision_slots"];
             }
         }
-        if (ActionsContain(patch, "generate"))
+        if (ActionsContain(patch, "generate") || GenerateFlagOn(patch))
         {
             patch["generate"] = true;
         }
@@ -98,7 +98,28 @@ public partial class SwarmAssistentExtension
                 // not json
             }
         }
-        return lastTerminal ?? lastAny;
+        if (lastTerminal is not null || lastAny is not null)
+        {
+            return lastTerminal ?? lastAny;
+        }
+        int brace = reply.LastIndexOf('{');
+        if (brace < 0)
+        {
+            return null;
+        }
+        try
+        {
+            JObject obj = JObject.Parse(reply.Substring(brace).Trim());
+            if (obj is not null && Array.Exists(PatchKeys, k => obj[k] is not null))
+            {
+                return NormalizePatch(obj);
+            }
+        }
+        catch
+        {
+            // not json
+        }
+        return null;
     }
 
     /// <summary>
@@ -114,10 +135,6 @@ public partial class SwarmAssistentExtension
             return false;
         }
         MatchCollection matches = JsonFenceRe.Matches(reply);
-        if (matches.Count == 0)
-        {
-            return false;
-        }
         for (int i = 0; i < matches.Count; i++)
         {
             Match match = matches[i];
@@ -137,6 +154,23 @@ public partial class SwarmAssistentExtension
                 // incomplete / invalid json inside fence
             }
         }
+        int brace = reply.LastIndexOf('{');
+        if (brace >= 0)
+        {
+            try
+            {
+                JObject obj = NormalizePatch(JObject.Parse(reply.Substring(brace).Trim()));
+                if (obj is not null && FenceIsTerminalPatch(obj))
+                {
+                    truncated = reply.TrimEnd();
+                    return true;
+                }
+            }
+            catch
+            {
+                // incomplete unfenced json
+            }
+        }
         return false;
     }
 
@@ -149,7 +183,7 @@ public partial class SwarmAssistentExtension
         {
             return false;
         }
-        if (obj["generate"]?.Type == JTokenType.Boolean && obj["generate"].Value<bool>())
+        if (GenerateFlagOn(obj))
         {
             return true;
         }
@@ -176,7 +210,8 @@ public partial class SwarmAssistentExtension
         }
         if (HasValue(obj, "loras") || HasValue(obj, "aspect") || HasValue(obj, "steps")
             || HasValue(obj, "width") || HasValue(obj, "height") || HasValue(obj, "cfg")
-            || HasValue(obj, "seed") || HasValue(obj, "controls"))
+            || HasValue(obj, "seed") || HasValue(obj, "controls")
+            || HasValue(obj, "checkpoint") || HasValue(obj, "negative"))
         {
             return true;
         }
@@ -220,6 +255,32 @@ public partial class SwarmAssistentExtension
         return string.Equals(patch["ask"]?.ToString()?.Trim(), name, StringComparison.OrdinalIgnoreCase);
     }
 
+    static bool GenerateFlagOn(JObject obj)
+    {
+        if (obj is null)
+        {
+            return false;
+        }
+        if (obj["generate"]?.Type == JTokenType.Boolean && obj["generate"].Value<bool>())
+        {
+            return true;
+        }
+        if (obj["generate"]?.Type == JTokenType.Integer && obj["generate"].Value<int>() != 0)
+        {
+            return true;
+        }
+        string raw = obj["generate"]?.ToString()?.Trim();
+        if (!string.IsNullOrWhiteSpace(raw)
+            && (raw.Equals("true", StringComparison.OrdinalIgnoreCase)
+                || raw == "1"
+                || raw.Equals("yes", StringComparison.OrdinalIgnoreCase)
+                || raw.Equals("on", StringComparison.OrdinalIgnoreCase)))
+        {
+            return true;
+        }
+        return ActionsContain(obj, "generate");
+    }
+
     static bool ActionsContain(JObject patch, string action)
     {
         if (patch?["actions"] is not JArray acts)