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CreativeOS Phase 1 Spec Session — 2026-03-28

Overview

Picked up from the architecture triangulation session. Wrote the Phase 1 technical spec for CreativeOS — the "Foundation" phase (Weeks 1–4) that turns the consensus architecture into an actionable build plan. Resolved all blocking questions, created GitHub repo, provisioned Supabase project, and securely captured API keys. Infrastructure is fully ready for Week 1 build.

Key Decisions

  • Phase 1 spec written: Full technical spec with database schema (5 tables), RLS policies, API routes, Next.js scaffold, auth flow, acceptance criteria, week-by-week build plan
  • REST over tRPC for Phase 1: Start with Next.js Route Handlers (plain REST), revisit tRPC in Phase 2. Brian was unfamiliar with the distinction — explained in detail. Key teaching moment: REST is universal (n8n, mobile, any client can call it), tRPC adds TypeScript-enforced type safety but only works with TS clients.
  • GitHub account + repo created: bwitlin/creativeos (private, bwitlin account). URL: https://github.com/bwitlin/creativeos.git. Brian's GitHub username: bwitlin. Created fresh for this project.
  • Supabase account + project created: Organization "Rootphi" (Pro plan, $25/mo). Project "creativeos", Micro compute (1GB RAM / 2-core ARM), West US (Oregon, us-west-2). Project URL: https://ptpcjkhttglmdtdzuwtb.supabase.co. Spend cap enabled. Auto RLS enabled. Data API enabled.
  • Mono-repo: Single creativeos repo per modular monolith philosophy
  • Spec verified: Ran verification agent against synthesis document — all 8 consensus scores correct. Added 2 missing locked decisions (n8n 6/7, API-first kernel 6/7). Strengthened non-goals with explicit deferral rationale.

Key Artifacts

Artifact Location Purpose
Phase 1 tech spec rootphi-core/creativeos-phase1-spec_2026-03-27.md Implementation-ready spec for Weeks 1–4
Phase 1 tech spec (copy) outputs/creativeos-phase1-spec_2026-03-27.md User-accessible copy
Supabase env keys rootphi-core/creativeos-env-keys.json Anon + service_role keys (secure, never in chat)

Action Items

  • [x] Brian: Create Supabase account and project — DONE (Rootphi org, creativeos project, Micro, US West Oregon)
  • [x] Brian: Create GitHub account and repo — DONE (bwitlin/creativeos, private)
  • [x] Brian: Share Supabase anon key + service role key (via clipboard workflow) — DONE, stored in rootphi-core/creativeos-env-keys.json
  • [ ] Next session: Begin Week 1 build — scaffold Next.js project, write migrations, push to GitHub
  • [ ] Next session: Enable pgvector, pg_cron, pg_stat_statements extensions in Supabase
  • [ ] Next session: Connect Vercel to GitHub repo for preview deploys

Session Metrics

  • Auto-saves triggered: 2 (2 content-based, 0 cadence-based)
  • Manual checkpoints: 0
  • Auto-save cadence: 10 (default)

Tags: creativeos, phase1-spec, github, supabase, architecture, infrastructure