* fix(networks): move logos.dev preset to cluster-id 3
The Logos Dev Network is now deployed on cluster 3. Update the
`logos.dev` preset accordingly, along with the CLI help text and the
library README preset table.
The deprecated "cluster-id implies preset" shim now triggers on
`--cluster-id=3` instead of `2`: cluster 2 is still the Logos Test
Network, so keeping the old mapping would silently move a node that
explicitly asked for cluster 2 onto cluster 3.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
* fix(conf): keep the legacy cluster-id preset shim on cluster 2
Remapping the deprecated `--cluster-id` -> preset shim onto cluster 3
hijacked every caller that uses 3 as a plain cluster id with no preset,
applying the whole logos.dev preset (p2p reliability, mix, discv5, dev
entry nodes) on top. tests/api/test_api_send.nim does exactly that, and
the extra reliability layer made Send emit `Sent` events the tests never
asked for.
Revert that hunk; only the preset's own cluster id moves to 3.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
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Co-authored-by: Claude Opus 5 (1M context) <noreply@anthropic.com>
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