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curriculum-project-hub/crates/README.md
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hongjr03 9927d38c18 feat(cph): implement nested outline manifest and batch/combined export
ADR-0029 — nested outline manifest, supersedes ADR-0008's flat [[parts]]:
- cph-model: recursive loader over manifest.toml containers / element.toml
  leaves; Lesson.parts (pure elements, DFS order) + Lesson.outline (elements
  interleaved with section headings at their DFS-open position); rejects
  ambiguous/incomplete folders and root-vs-container table misplacement
- cph-diag: new DiagCode::ManifestMalformed for carrier-document structure
  errors (discharges an existing TODO)
- cph-typst: augmented manifest now serializes the outline (element/section
  entries) instead of a flat parts array
- render/lib.typ: render-lesson renders section headings at their depth
- examples/TH-141 migrated to 5 nested section containers + 3 root segments,
  byte-identical element order; smoke-verified via cph check/build + pdftotext

ADR-0030 — batch & combined export, extends ADR-0009/0011:
- cph build with no --target batches every declared target (repeatable
  --target for an explicit subset); any target failure => non-zero exit,
  per-target ledger, independent per-target execution
- cph-model: bundle.toml loader (directory + [info]/[targets.*]/ordered
  lessons with per-lesson target overrides)
- cph-typst: augmented bundle manifest (path-prefixed member outlines),
  Engine::{compile_check_bundle,build_bundle_pdf}
- render/lib.typ: render-bundle assembles member lessons under per-lesson
  headings, depth-shifts their own section headings, resets example/lemma
  counters at each lesson boundary by default
- cph-cli: `cph bundle <path> --target <name>` subcommand, same batching
  contract as `cph build`
- new bundle fixtures/tests (cph-model unit + cph-typst through-template PDF
  compile), smoke-verified via a real 2-lesson merged PDF

Verification: cargo fmt/clippy/test clean across the workspace (68 tests);
real cph check/build/bundle runs against TH-141 and a bundle fixture, PDF
content inspected via pdftotext.
2026-08-05 18:34:05 +08:00

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# crates/
These crates implement the rule-based lesson checker whose semantics are
pinned by the ADRs in `docs/adr/`: it reads an engineering-file (one lesson,
ADR-0005)
laid out per ADR-0029 (a nested outline manifest — every container folder
carries `manifest.toml`, every leaf carries `element.toml`; supersedes
ADR-0008's flat `[[parts]]`), validates structure and content, and emits
diagnostics. `cph-diag` (the shared diagnostic vocabulary), `cph-model` (the
ADR-0029 loader, also loading `bundle.toml` arrangements per ADR-0030), and
`cph-typst` (the typst `World` / compile / span-mapping layer) are
deliberately reusable by future components such as an `exporter`, which is why
they live in this repo-wide `crates/` directory rather than under any single
component; `cph-schema` (kind JSON Schemas + validation), `cph-check`
(orchestration + render-coverage) and `cph-cli` (the `cph` command-line
entrypoint) are the checker proper.
## Crate map
| crate | owner | role |
|---------------|-------|------|
| `cph-diag` | WU-1 | shared diagnostic vocabulary (`Severity`, `DiagCode`, `Diagnostic`, `SourceSpan`) — reusable |
| `cph-model` | WU-1 | parses the ADR-0029 nested outline layout (+ ADR-0030 bundles) into an in-memory ordered `Lesson`/`Bundle` — reusable |
| `cph-schema` | WU-3 | the 4 stdlib kind JSON Schemas + structural validation |
| `cph-typst` | WU-4 | typst `World`, driver generation, compile, PDF, span mapping — reusable |
| `cph-check` | WU-5 | orchestration: render-coverage and the full check pipeline |
| `cph-cli` | WU-5 | the `cph` command-line entrypoint |
## Build
```sh
# from the repository root (the cargo workspace root)
cargo build # all crates
cargo test # cph-diag + cph-model unit/integration tests
cargo clippy --all-targets -- -D warnings
cargo fmt --check
```