reload help

Author: dsarno

Server/src/transport/legacy/unity_connection.py

@@ -240,7 +240,10 @@ def send_command(self, command_type: str, params: dict[str, Any] = None) -> dict
             raise ValueError("MCP call missing command_type")
         if params is None:
             return MCPResponse(success=False, error="MCP call received with no parameters (client placeholder?)")
-        attempts = max(config.max_retries, 5)
+        # Use more retries for connection failures - Unity domain reload can take 20-30+ seconds
+        # The reload_max_retries config is for when Unity *responds* with reloading state,
+        # but connection failures during reload need their own generous retry window
+        attempts = max(config.max_retries, 15)  # Increased from 5 to 15 for CI stability
         base_backoff = max(0.5, config.retry_delay)
 
         def read_status_file(target_hash: str | None = None) -> dict | None:
@@ -300,7 +303,9 @@ def read_status_file(target_hash: str | None = None) -> dict | None:
             try:
                 # Ensure connected (handshake occurs within connect())
                 if not self.sock and not self.connect():
-                    raise ConnectionError("Could not connect to Unity")
+                    # Include debug info in error to help diagnose CI connection issues
+                    debug_info = f"[attempt={attempt+1}/{attempts+1}, port={self.port}, instance={self.instance_id}]"
+                    raise ConnectionError(f"Could not connect to Unity {debug_info}")
 
                 # Build payload
                 if command_type == 'ping':
@@ -411,12 +416,15 @@ def read_status_file(target_hash: str | None = None) -> dict | None:
                             pass
 
                     # Cap backoff depending on state
+                    # Note: During Unity domain reload after script changes, the socket may be
+                    # closed entirely (not just returning "reloading"). Use longer caps to handle
+                    # CI environments where reload can take 20-30+ seconds.
                     if status and status.get('reloading'):
-                        cap = 0.8
+                        cap = 1.5  # Increased from 0.8 - reloading state detected
                     elif fast_error:
-                        cap = 0.25
+                        cap = 0.8  # Increased from 0.25 - transient socket errors
                     else:
-                        cap = 3.0
+                        cap = 3.0  # General errors
 
                     sleep_s = min(cap, jitter * (2 ** attempt))
                     time.sleep(sleep_s)