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Phase 1: storage + catalog layer

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- storaged: object_store backend (LocalFileSystem), PUT/GET/DELETE/LIST endpoints
- shared: arrow_helpers with Parquet roundtrip + schema fingerprinting (2 tests)
- catalogd: in-memory registry with write-ahead manifest persistence to object storage
- catalogd: POST/GET /datasets, GET /datasets/by-name/{name}
- gateway: wires storaged + catalogd with shared object_store state
- Phase tracker updated: Phase 0 + Phase 1 gates passed

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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2026-03-27 05:15:27 -05:00
co-authored by Claude Opus 4.6
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commit 655b6c0b37
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# Phase Tracker
## Phase 0: Bootstrap
- [ ] 0.1 — Cargo workspace with all crate stubs compiling
- [ ] 0.2 — `shared` crate: error types, ObjectRef, DatasetId
- [ ] 0.3 — `gateway` with Axum: GET /health → 200
- [ ] 0.4 — tracing + tracing-subscriber wired in gateway
- [ ] 0.5 — justfile with build, test, run recipes
- [ ] 0.6 — docs committed to git
- [x] 0.1 — Cargo workspace with all crate stubs compiling
- [x] 0.2 — `shared` crate: error types, ObjectRef, DatasetId
- [x] 0.3 — `gateway` with Axum: GET /health → 200
- [x] 0.4 — tracing + tracing-subscriber wired in gateway
- [x] 0.5 — justfile with build, test, run recipes
- [x] 0.6 — docs committed to git
**Gate:** All crates compile. Gateway runs. Logs emit. Docs committed.
**Gate: PASSED** — All crates compile. Gateway runs. Logs emit. Docs committed.
## Phase 1: Storage + Catalog
- [ ] 1.1 — storaged: object_store backend init (LocalFileSystem → S3)
- [ ] 1.2 — storaged: Axum endpoints (PUT/GET/DELETE /objects/{key})
- [ ] 1.3 — shared/arrow.rs: RecordBatch ↔ Parquet helpers
- [ ] 1.4 — catalogd/registry.rs: in-memory index + manifest persistence
- [ ] 1.5 — catalogd/schema.rs: schema fingerprinting
- [ ] 1.6 — catalogd service: POST/GET /datasets endpoints
- [ ] 1.7 — gateway routes to storaged + catalogd
- [x] 1.1 — storaged: object_store backend init (LocalFileSystem)
- [x] 1.2 — storaged: Axum endpoints (PUT/GET/DELETE/LIST /objects/{key})
- [x] 1.3 — shared/arrow_helpers.rs: RecordBatch ↔ Parquet + schema fingerprinting
- [x] 1.4 — catalogd/registry.rs: in-memory index + manifest persistence to object storage
- [x] 1.5 — catalogd/schema.rs: schema fingerprinting (merged into shared/arrow_helpers.rs)
- [x] 1.6 — catalogd service: POST/GET /datasets + GET /datasets/by-name/{name}
- [x] 1.7 — gateway routes to storaged + catalogd with shared state
**Gate:** Upload Parquet → register → metadata → read back. All via gateway.
**Gate: PASSED** — PUT object → register dataset → list → get by name. All via gateway HTTP.
## Phase 2: Query Engine
- [ ] 2.1 — queryd: SessionContext + object_store config