v0.1.49

Fixed

• Cerebras / Groq without API key: models were being pinged with the fallback NVIDIA key, causing misleading ❌ 401 — now pings without auth header; 401 is treated as 🔑 NO KEY (server reachable, latency shown dimly)
• Settings: entering an API key had no immediate effect: after saving a key and closing Settings (Escape), models previously in noauth state are now immediately re-pinged with the new key

Changed

• Ping without API key is now always attempted — a 401 response confirms the server is UP and shows real latency; 🔑 NO KEY replaces the old ❌ 401 misleading error

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