hephaestus/AGENTS.md
Erich Blume bbac338f76
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Scaffold cargo workspace + heph-core foundation
Kick off Phase 1 (v1 prototype) per tech-spec §11.1. Sets up the Cargo
workspace and the first TDD slice of heph-core:

- Migration runner + §4.5 SQLite schema (nodes, tasks, links, aliases,
  users, oplog, sync_state, conflicts), versioned via PRAGMA user_version.
- Clock-injected `Clock` trait (no ambient wall-clock reads; §2).
- `Store` trait + `LocalStore` SQLite backend with node create/get,
  bootstrapping the single local user (oidc_sub NULL, §13).
- Node model (kinds: doc/task/project/tag/journal).

Repo housekeeping: fill AGENTS.md Project Structure (last template TODO),
ignore /target, add self-bootstrapping .forgejo/scripts/build that runs
cargo fmt/clippy/test in CI (§9), changelog fragment.

Tests green: 4 unit tests (migration version, local-user idempotency,
create/get round-trip, missing-node None).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-05-31 18:52:15 -07:00

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# AGENTS.md
Guidance for Claude Code working in this repository. See also [[ai-assistance-guide]].
## Overview
**hephaestus** — Personal context management system: wiki-style knowledge base and task management.
> **This is a generated repo, not the template source.** C1/C2 changes use feature branches + PRs (`tea pr create`); noteworthy changes get changelog fragments in `docs/changelog.d/`.
## Rules
1. **Always run `mise run ai-docs` at session start**
This will refresh your context with important information you will be assumed to know and follow.
**Read the full output** — never truncate, pipe to `head`/`tail`, or skip sections.
2. **Classify the change as C0/C1/C2 before starting** (see below) — this determines branching and PR requirements
3. **Generated repos use feature branches + PRs for C1/C2** — checkout main, pull, create branch, open PR via `tea pr create`. This template source repo usually stays C0/direct-to-main so it remains clean and templatable.
4. **Use changelog fragments in generated repos, not as template residue**`docs/changelog.d/<name>.<type>.md`
Types: `feature`, `bugfix`, `infra`, `doc`, `ai`, `misc`
- **Generated repos:** add fragments for noteworthy changes
- **This template repo:** keep `docs/changelog.d/` empty except for `.gitkeep`
5. **Never commit secrets**
## Change Classification
Before starting work, classify the change:
| Class | Name | When to use | Key trait |
|-------|------|-------------|-----------|
| **C0** | Quick Fix | Small, low-risk, fix-forward safe | Direct to main, no PR |
| **C1** | Human Review | Moderate complexity or risk | Feature branch + PR, docs-first |
| **C2** | Mikado Chain | Multi-phase, multi-session, high complexity | Mikado Branch Invariant |
**C0** — commit directly to main. No branch or PR needed. Fix forward if problems arise.
**C1** — in generated repos, use a feature branch with an early PR. In this template source repo, prefer direct cleanups unless the user explicitly wants branch-based review. Search related docs first, write documentation changes before code. Upgrade to C2 if complexity spirals.
**C2** — branch `mikado/<chain-stem>` governed by the Mikado Branch Invariant: all card commits first, then code progress, then card closures. Commits use `C2(<chain>): plan/impl/close/finalize` convention. Reset the branch when new prerequisites are discovered. Resume with `mise run docs-mikado --resume`.
See [[agent-change-process]] for the full methodology.
## Project Structure
A Cargo workspace (`Cargo.toml` at the root) plus the Neovim plugin and repo tooling. The build follows the tech-spec §11.1 slice order; crates are added to the workspace as their slice begins, so not every crate below exists yet.
```
./Cargo.toml # workspace manifest (shared deps + members)
./crates/heph-core/ # core lib: data model, Store trait + SQLite store, extraction,
# recurrence, "what is next?" ranking, op-log/HLC/CRDT sync
./crates/hephd/ # daemon (planned): local/server/client modes; JSON-RPC over unix socket
./crates/heph/ # CLI (planned): export, scripting, `heph conflicts`
./heph.nvim/ # Neovim plugin (planned): primary surface; replaces obsidian.nvim
./docs/ # Diataxis docs (incl. [[design]] + [[tech-spec]]), Quartz config, release content
./docs/changelog.d/ # towncrier fragments for noteworthy changes
./.dagger/ # Dagger module (src/hephaestus_ci/) backing docs builds and releases
./.forgejo/workflows/ # build + release workflows
./.forgejo/scripts/ # per-project build/release hooks (build runs cargo test once present)
./mise-tasks/ # repo automation via `mise run`
```
**Development is TDD** (tech-spec §2, §9): failing test first, implement to green, commit on green. `heph-core` is clock-injected — no ambient wall-clock reads; time is always passed in. Canonical spec is [[tech-spec]]; rationale is [[design]].
Other doc paths are listed via `mise run ai-docs`. Wiki-links (`[[like-this]]`) refer to `docs/` cards.