fix: anti-stall — IP check budgets, capped timers, fetch wait_for, obfuscation auto-fallback, empty validate short-circuit, unittest suite

Made-with: Cursor

README.md

@@ -56,6 +56,14 @@ python run.py
 
 **Administrator** = full kill-switch. No admin = still runs; firewall enforcement steps aside.
 
+### Self-test (core logic, no GUI)
+
+```cmd
+python -m unittest discover -s tests -v
+```
+
+Hits config sanitization, fetcher smoke, validator timeouts, and a live `get_direct_ip` check (skips if you’re offline).
+
 ---
 
 ## Build the binary