Claude Code: Fix Cain - resolve NameError in read_current_stage()

The read_current_stage() function in health_monitor.py was referencing
the 'stage' variable before it was defined, causing a NameError.

Fixed by moving stage assignment before the health field check.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

openclaw/.openclaw/health_monitor.py

@@ -941,6 +941,10 @@ def read_current_stage() -> str:
         with open(status_file) as f:
             data = json.load(f)
 
+        # CRITICAL FIX: Get stage FIRST before checking health field
+        # This fixes NameError where 'stage' was referenced before assignment
+        stage = data.get('stage', data.get('current_state', 'UNKNOWN'))
+
         # CRITICAL: Check 'health' field first (authoritative source added in recent fix)
         # If health field is present and is "ERROR", treat as error regardless of error field
         # This prevents the "Error: unknown" display issue where error=null but health=ERROR
@@ -958,7 +962,6 @@ def read_current_stage() -> str:
 
         # Fallback: Check for error field (legacy behavior)
         error = data.get('error')
-        stage = data.get('stage', data.get('current_state', 'UNKNOWN'))
 
         # CRITICAL: Treat null, None, empty string, or "unknown" string as HEALTHY
         # Only append _ERROR if there's an actual error message (non-empty, not "unknown")