Claude Code: Dynamic cain_status.json path resolution

- Check CAIN_STATUS_PATH env var first
- Fall back to script-relative and common locations
- Update app.py to set CAIN_STATUS_PATH from OPENCLAW_DATA_DIR
- Use os.path.dirname(__file__) for script-relative paths

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

app.py

@@ -14,6 +14,11 @@ print(">>> CAIN: Python version:", sys.version.split()[0], flush=True)
 print(">>> CAIN: Working directory:", os.getcwd(), flush=True)
 print(">>> CAIN: PORT =", os.environ.get('PORT', '7860'), flush=True)
 
+# Set CAIN_STATUS_PATH from OPENCLAW_DATA_DIR if available (for error_handlers.py)
+if 'CAIN_STATUS_PATH' not in os.environ and 'OPENCLAW_DATA_DIR' in os.environ:
+    os.environ['CAIN_STATUS_PATH'] = os.path.join(os.environ['OPENCLAW_DATA_DIR'], 'cain_status.json')
+    print(f">>> CAIN: Set CAIN_STATUS_PATH = {os.environ['CAIN_STATUS_PATH']}", flush=True)
+
 # CRITICAL: Create FastAPI app at TOP LEVEL, outside any try/except
 # This ensures the server ALWAYS starts, even if brain is broken
 from fastapi import FastAPI, Request

error_handlers.py

@@ -61,21 +61,32 @@ async def generic_exception_handler(request: Request, exc: Exception) -> JSONRes
 # Dynamically search common locations for cain_status.json
 def _resolve_status_file() -> Path:
     """Find cain_status.json by searching common locations."""
-    # Priority: OPENCLAW_DATA_DIR env var, then common locations
-    env_dir = os.environ.get('OPENCLAW_DATA_DIR')
-    if env_dir:
-        candidate = Path(env_dir) / "cain_status.json"
+    # Priority 1: CAIN_STATUS_PATH env var (direct path or set by app.py)
+    env_path = os.environ.get('CAIN_STATUS_PATH')
+    if env_path:
+        candidate = Path(env_path)
+        if candidate.exists() or candidate.parent.exists():
+            return candidate
+
+    # Priority 2: Search relative to this script's location
+    script_dir = Path(os.path.dirname(__file__))
+    relative_paths = [
+        script_dir / "cain_status.json",
+        script_dir / ".openclaw" / "agents" / "cain_status.json",
+        script_dir.parent / "cain_status.json",
+    ]
+    for candidate in relative_paths:
         if candidate.exists():
             return candidate
 
-    # Search order: /data (dataset), /app (workdir), . (current), root
-    for base in ["/data", "/app", ".", "/"]:
-        candidate = Path(base) / "cain_status.json"
+    # Priority 3: Common absolute locations
+    for base in ["./cain_status.json", "/app/cain_status.json", "/app/openclaw/cain_status.json", "/data/cain_status.json"]:
+        candidate = Path(base)
         if candidate.exists():
             return candidate
 
-    # Default to /data/cain_status.json (will be created if needed)
-    return Path("/data/cain_status.json")
+    # Default to script_dir/cain_status.json (will be created if needed)
+    return script_dir / "cain_status.json"
 
 STATUS_FILE = _resolve_status_file()