feat: add runtime diagnostics and path management

src/coinhunter/review_engine.py

@@ -9,20 +9,17 @@ from pathlib import Path
 import ccxt
 
 from .logger import get_logs_last_n_hours, log_error
+from .runtime import get_runtime_paths, load_env_file
 
-ENV_FILE = Path.home() / ".hermes" / ".env"
-REVIEW_DIR = Path.home() / ".coinhunter" / "reviews"
+PATHS = get_runtime_paths()
+ENV_FILE = PATHS.env_file
+REVIEW_DIR = PATHS.reviews_dir
 
 CST = timezone(timedelta(hours=8))
 
 
 def load_env():
-    if ENV_FILE.exists():
-        for line in ENV_FILE.read_text(encoding="utf-8").splitlines():
-            line = line.strip()
-            if line and not line.startswith("#") and "=" in line:
-                key, val = line.split("=", 1)
-                os.environ.setdefault(key.strip(), val.strip())
+    load_env_file(PATHS)
 
 
 def get_exchange():