feat: unify logo assets with sketch-platform

chore: update .planning submodule ref

fix: sort imports in http.ts

chore: update .planning submodule ref

fix: use real names and mark emails verified in system API

feat: unified auth prerequisites (system API + middleware fixes)

fix: recognize platform cookie in session endpoint for managed SSO

chore: update .planning submodule ref

fix: accept RDS self-signed certificates for Postgres connections

fix: treat empty bootstrap env vars as absent

fix: stabilize flaky tests under concurrent execution

fix: bundle talisman to resolve ESM import in Docker container

chore: update .planning submodule ref

chore: release v0.15.0-alpha.1

fix: wire system route deps and add LLM credential verification