golangLAKEHOUSE/README.md
Claw f07668064e docs: seed PRD + SPEC for the Go-direction rewrite
Two documents only — no Go code yet. PRD restates the problem and
preserves the Rust PRD's invariants verbatim, then maps the locked
stack to Go libraries and surfaces four hard problems (DuckDB-via-cgo
for the query engine, Lance dropped, Dioxus → HTMX, arrow-go maturity).
SPEC walks each Rust crate + TS surface and tags the port with library
choice / effort estimate / risk + a 5-phase migration plan from
skeleton (Phase G0) to demo parity (Phase G5).

Six open questions remain that gate Phase G0:
- DuckDB cgo OK?
- HTMX vs React for the UI?
- Repo location?
- Distillation v1.0.0 port verbatim or rebuild?
- Pathway memory data — port 88 traces or start clean?
- Auditor lineage — port audit_baselines.jsonl or restart?

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-04-28 06:35:23 -05:00

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# golangLAKEHOUSE
Go reimplementation of the Lakehouse — a versioned knowledge substrate
for staffing analytics + local AI workloads.
## Status
**Pre-Phase G0.** Documents seeded; Go module declared; implementation
has not started. See `docs/PRD.md` for direction and `docs/SPEC.md`
for the component-by-component port plan.
### Phase G0 prerequisites (must be done before any code lands)
1. **Install Go 1.23+ on the dev box.** Not currently present at
`/usr/local/go` or elsewhere on the build machine. Standard install:
```
curl -L https://go.dev/dl/go1.23.linux-amd64.tar.gz | sudo tar -C /usr/local -xz
echo 'export PATH=$PATH:/usr/local/go/bin' >> ~/.bashrc
```
2. **Ensure cgo toolchain is present** (gcc + libc-dev) — required by
the DuckDB binding per ADR-001 §1.1. `apt install build-essential`
on Debian-based systems.
3. **Initialize the dependency tree** with `go mod tidy` once
`cmd/gateway/main.go` declares its first imports.
## Layout
```
docs/ Direction + spec + ADRs
cmd/ (forthcoming) main packages — one per service
internal/ (forthcoming) shared packages
web/ (forthcoming) HTMX templates + static
scripts/ (forthcoming) cold-start, smoke, distill
tests/ (forthcoming) golden files, integration tests
```
## Reading order
1. `docs/PRD.md` — what we're building and why
2. `docs/SPEC.md` — how, per-component
3. `docs/DECISIONS.md` — ADRs, starting with ADR-001 (foundational)
4. `docs/RUST_PATHWAY_MEMORY_NOTE.md` — historical reference for the
Rust era's pathway memory state (not migrated)
## Predecessor
The Rust Lakehouse this rewrite supersedes lives at
`git.agentview.dev/profit/lakehouse`. It remains the live system until
this Go implementation reaches feature parity (per `docs/SPEC.md` §7).