Source Intelligence

DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

All of v2.1.225 Home All releases olderv2.1.224 v2.1.226newer

Device bridge lifecycle telemetry

Not switched on
Useful1 Signal2
Device Bridge

The device bridge reports its whole connection lifecycle, but none of it fires yet.

Full connect/close/heartbeat telemetry exists for the device bridge but is gated behind tengu_violin_wood along with the bridge itself.

Feature flag
tengu_violin_wood Off in both readings

The flag server returned off for the account this site reads and for the anonymous baseline. A reading of off cannot rule out a rollout these two readings sit outside of.

This account: off · anonymous baseline: off · compiled default in v2.1.225: not a boolean we can read

These values were read against a different version of Claude Code, so treat them as the nearest reading available instead of one taken on this release.

Read once, for one account on one subscription tier, against v2.1.225. It isn't a statement about your account. What a flag value here can and cannot tell you

What

The bridge reports its full connection lifecycle, gated the same way as the bridge itself, so none of it fires in this build unless tengu_violin_wood is on.

Details
  • events: tengu_device_bridge_started, _stopped, _skipped (with reasons missing_org and missing_account), _start_failed, _connected, _rejected, _closed, _connect_failed, _pong_timeout, _reconnect_exhausted and _heartbeat_unsupported
  • the connected event records the protocol version plus negotiated hb_interval_ms, staleness_ms and rpc_timeout_ms
  • repeated transport failures are de-duplicated before being reported
Evidence

tengu_device_bridge_heartbeat_unsupported

Strings lifted out of the shipped bundle, so the claim above can be checked against them.

Related

Other releases about the same thing. Found by shared names or similar wording; neither means one caused the other.

See this entry in the whole of v2.1.225 →