* chore: scaffold @honcho-ai/harness-core
* feat(harness-core): resolve shared root config
* feat(harness-core): send client identity headers on SDK requests
* feat(harness-core): drop cloud vs custom api header
* feat(harness-core): migrating v0 config to schema v1 on read
* chore(harness-core): clean up
* feat(config): describe oauth and host overrides in the v1 schema
* chore: rename to harness-plugin-core
* feat(harness-plugin-core): update telemetry headers on a live client.
ajspig