diff --git a/agent-node/VERSION b/agent-node/VERSION
index 140333f..c2320f5 100644
--- a/agent-node/VERSION
+++ b/agent-node/VERSION
@@ -1 +1 @@
-1.0.19
+1.0.20
diff --git a/agent-node/src/agent_node/node.py b/agent-node/src/agent_node/node.py
index c6e4468..222dc6e 100644
--- a/agent-node/src/agent_node/node.py
+++ b/agent-node/src/agent_node/node.py
@@ -564,8 +564,8 @@
             
             index = 0
             while True:
-                chunk = f.read(1024 * 1024) # 1MB chunks
-                is_final = len(chunk) < 1024 * 1024
+                chunk = f.read(1024 * 512) # 512KB chunks
+                is_final = len(chunk) < 1024 * 512
                 
                 self.task_queue.put(agent_pb2.ClientTaskMessage(
                     file_sync=agent_pb2.FileSyncMessage(
@@ -581,6 +581,9 @@
                     )
                 ))
                 
+                import time
+                time.sleep(0.02)  # Throttle to ~25MB/s, preserves gRPC bandwidth for health reporting
+                
                 if is_final or not chunk:
                     break
                 index += 1
diff --git a/ai-hub/app/core/grpc/services/assistant.py b/ai-hub/app/core/grpc/services/assistant.py
index e79a748..86782fe 100644
--- a/ai-hub/app/core/grpc/services/assistant.py
+++ b/ai-hub/app/core/grpc/services/assistant.py
@@ -65,8 +65,9 @@
             
             index = 0
             while True:
-                chunk = f.read(1024 * 1024) # 1MB chunks
-                is_final = len(chunk) < 1024 * 1024
+                import time
+                chunk = f.read(1024 * 512) # 512KB chunks
+                is_final = len(chunk) < 1024 * 512
                 
                 node.queue.put(agent_pb2.ServerTaskMessage(
                     file_sync=agent_pb2.FileSyncMessage(
@@ -80,6 +81,7 @@
                         )
                     )
                 ))
+                time.sleep(0.02) # ~25MB/s throttle to allow interleaving with other Node messages
                 
                 if is_final or not chunk:
                     break
diff --git a/skills/mesh-terminal-control/logic.py b/skills/mesh-terminal-control/logic.py
index 41236ed..5a138b7 100644
--- a/skills/mesh-terminal-control/logic.py
+++ b/skills/mesh-terminal-control/logic.py
@@ -68,7 +68,10 @@
                     os.chdir(cwd)
                 
                 # Launch shell
-                os.execv("/bin/bash", ["/bin/bash", "--login"])
+                shell_path = "/bin/bash"
+                if not os.path.exists(shell_path):
+                    shell_path = "/bin/sh"
+                os.execv(shell_path, [shell_path, "--login"])
             
             # Parent
             # Set non-blocking