fix(ci): resolve typecheck and test failures

fix(deps): break turbo cyclic dependency with @engram/testing package

feat(graph): extend QueryBuilder and migrate production queries

test: add comprehensive integration and E2E tests across multiple packages

feat(memory): add integration tests for graph persistence and turn aggregation

feat(ingestion): add integration tests for ingestion pipeline

feat(api): add integration tests for REST endpoints

test(search): add comprehensive unit and integration tests for shard services

feat(console): add global health poller for stable connection status

fix(console): debounce connection status during page navigation

fix(observatory): prevent double gzip encoding in Caddy chain

fix(observatory): prevent Caddy proxy loop on external Host header

fix(docker): simplify Dockerfiles to copy entire workspace

fix(docker): add graph codegen step to Dockerfiles

fix(deploy): add retry logic to ssh-keyscan for resilience