Weave instrumentation

Complete the login check before editing or initializing. If no valid login exists, send only that section's reply and stop.

After a valid login, inspect the application's dependencies, agent boundaries, and existing OTel provider. Confirm entity/project and runtime credentials before sending data; never read, print, or commit API keys. Read trace fidelity before changing any instrumentation path. Initialize once at startup with weave.init("entity/project") in Python or await weave.init(...) in Node.

Check login first

Before editing code or initializing tracing, verify the existing W&B login for the target deployment with a noninteractive, read-only identity request through the configured SDK or connector. Use credentials in place; never print, copy, or inspect secret values. Do not call login or tracing init as a login probe.