summary

• return public SessionNotFoundError for missing v2 session message/context/mutation routes
• make SessionV2 service methods fail on missing sessions instead of silently succeeding
• fix config-service parsing against latest Effect Config API

testing

• bun test test/server/httpapi-session.test.ts test/server/httpapi-public-openapi.test.ts
• bun test ./test/server/httpapi-exercise/index.ts
• bun typecheck
• push hook: bun turbo typecheck