Seamless API-key rotation for DeepSeek Harness

Key features

• Invisible to Agent & UserRequest fails with quota/rate limit → plugin hot-swaps the key → request retries and succeeds seamlessly.
• Smart Rotation Window (300s)During consecutive failures, the plugin walks forward through your configured keys.
• Native Web UIList every key a provider can use and toggle rotation right inside Settings.
• Smart Anti-SpinCooldown discipline prevents infinite loops if all your keys are exhausted.
• Zero Core PatchesPlugs cleanly into the Harness recovery waterfall — safe to install, safe to remove.