KeiSeiKit-1.0/_templates/atom/README.md
Parfii-bot 559db303e1 feat(substrate): apply user decisions + ship atom template + generator
Schema revisions per user review 2026-04-22 (all 6 open questions resolved
— see §Decision log in SUBSTRATE-SCHEMA.md):

- #3 side_effects: string tags → structured { op, domain } objects (user:
  "лучше сразу с запасом")
- #4 capabilities.toml: DROPPED entirely (user: "почему не мд?"). SSoT is
  atoms/*.md. Crate-level metadata moves to Cargo.toml
  [package.metadata.keisei] — Cargo-native, no drift, no build.rs, no
  generated files to commit. kei-sage + kei-runtime walk atoms/*.md
  directly.
- #5 atom template: shipped in this PR (user: "ui же параллельно! создавай
  все!") so Streams B/C/D can scaffold atoms from day 0 without waiting
  for Stream A (kei-forge UI).
- #1/#2/#6 confirmed as drafted (draft-07, `::` separator, per-atom errors).

New files:

- _templates/atom/ — 5-file template set with placeholder substitution
  (__CRATE__, __VERB__, __KIND__, __DESCRIPTION__ etc). Covers
  atoms/<verb>.md, schemas/<verb>-{input,output}.json, src/atoms/<verb>.rs,
  tests/<verb>_smoke.rs. Each file is a minimal working skeleton.
- scripts/new-atom.sh — POSIX bash generator (bash for $'\n' / readonly /
  trap). Validates verb is lowercase kebab-case, kind is one of
  command|query|stream|transform. Refuses to overwrite existing files.
  Rolls back on any failure (trap ERR deletes all generated files so no
  half-scaffolded state). Tested: produces 5 files, placeholder
  substitution correct on smoke-test crate.

Stream B (atoms refactor) updated to drop the "generates capabilities.toml
via build.rs" wording — now just "writes atoms/*.md + updates Cargo.toml
[package.metadata.keisei]". Stream D reads atoms/*.md + Cargo.toml, not
capabilities.toml.

Schema status: revisions applied, decision log complete. Ready for
SCHEMA-LOCKED.md marker commit once user signs off on revised doc.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-04-22 23:53:26 +08:00

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Markdown

# Atom template
Used by `scripts/new-atom.sh <crate> <verb> [kind]` to scaffold a new atom. Placeholder substitution map:
| Placeholder | Example | Source |
|---|---|---|
| `__CRATE__` | `kei-task` | argv 1 (kebab-case) |
| `__CRATE_SNAKE__` | `kei_task` | argv 1 → underscores |
| `__VERB__` | `add-dependency` | argv 2 (kebab-case) |
| `__VERB_SNAKE__` | `add_dependency` | argv 2 → underscores |
| `__KIND__` | `command` | argv 3 or default `command` |
| `__DESCRIPTION__` | free-form one-liner | prompted at runtime |
Schema SSoT: [SUBSTRATE-SCHEMA.md](../../docs/SUBSTRATE-SCHEMA.md).
Template covers the 4 files a new atom always needs:
- `atoms/<verb>.md` — human doc + YAML frontmatter (machine-parsed by kei-sage + kei-runtime)
- `atoms/schemas/<verb>-input.json` — JSON Schema draft-07
- `atoms/schemas/<verb>-output.json` — JSON Schema draft-07
- `src/atoms/<verb>.rs` — Rust impl skeleton with Input/Output/Error + `pub fn run`
- `tests/<verb>_smoke.rs` — smoke test placeholder
Postconditions the generator enforces:
1. `cargo check -p <crate>` passes (skeleton compiles)
2. `kei-schema-lint <crate>` passes (frontmatter + schema paths valid)
3. New atom appears in `kei-runtime list-atoms --crate <crate>`
If any postcondition fails, the generator rolls back (deletes the generated files) so there is no half-scaffolded state.