tidaldb/tidal/docs/planning/milestone-0/phase-1/OVERVIEW.md
jx12n 3bcfb3c576 feat: Bazel build, crate docs/ai-lookup, docker images, and engine hardening
- Add BUILD.bazel across tidal, tidal-net, tidal-server, tidalctl for bzlmod build
- Add tidal/ crate docs (README, CHANGELOG, CONTRIBUTING, AGENTS, CLAUDE, API, ARCHITECTURE) and ai-lookup reference
- Add docker standalone/cluster/deploy images, compose, and prometheus config
- Harden WAL (batch format, writer, dedup, diagnostics), text syncer/collectors, and vector registry
- Expand tidalctl CLI and tests; restructure WAL/visibility integration test suites
- Refine tidal-net transport/client/server and tidal-server cluster/scatter-gather
2026-06-07 18:29:38 -06:00

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# Milestone 0 · Phase 1 — Embeddable Runtime Skeleton
**Objective:** ship an ergonomic, zero-config builder so engineers can spin up a tidalDB instance inside tests or services without touching the signal stack yet.
**Success criteria**
- `TidalDb::builder()` exposes `ephemeral()` and `single_process(data_dir)` shortcuts with sensible defaults.
- `Config` validates eagerly (missing dirs, bad permissions) so failures happen before WAL threads spin up.
- Builder registers shutdown hooks (`Drop` + explicit `close()`), returning errors if background workers fail to drain.
- Temp-directory helper guarantees deterministic cleanup (used by doctests + integration tests).
**Dependencies:** none — runs before any signal-specific work.
**Blocked by:** n/a
**Unblocks:** M0 Phase 2 (CLI needs stable layout), all later milestones (test harnesses use the builder).