83 lines
2.0 KiB
Markdown
83 lines
2.0 KiB
Markdown
# Specifications
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Formal Kaptan specifications should normally live next to the code item they govern.
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Examples:
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- `kaptan-runtime/src/control_loop.rs`
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- `kaptan-runtime/src/control_loop.spec.md`
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- `kaptan-runtime/src/scheduler.rs`
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- `kaptan-runtime/src/scheduler.spec.md`
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## Compile-Time Linking
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Code implementations should link to their governing spec through `#[spec("...")]`.
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Example:
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```rust
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use kaptan_spec::spec;
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#[spec("control_loop.spec.md")]
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pub struct ControlLoop;
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```
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The attribute expands to a compile-time file inclusion guard. If the linked file does not exist, compilation fails.
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## Spec Format
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Formal spec files are append-only records for one governed module or package.
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Each file may contain one or more spec entries. Each entry starts with a version heading, followed by YAML frontmatter and a Markdown body.
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Use this exact heading form for each entry:
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```markdown
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# --- version: 0.1.0 ---
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```
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Each spec entry must then declare these keys in YAML frontmatter:
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- `title`
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- `status`
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- `owners`
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Allowed statuses are:
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- `in-progress`
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- `implemented`
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- `deprecated`
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Owner entries must use full name and email address in this format:
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```text
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- Full Name <name@example.com>
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```
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The spec path is the identifier for linkage and traceability.
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- The code path plus the `#[spec("...")]` reference identifies the governing spec.
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- The spec file path identifies the governed module or package.
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- Individual spec revisions are identified by the version heading.
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- A single spec file can carry multiple revisions for the same governed module.
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- New revisions should be appended as new spec entries in the same file instead of creating new filenames.
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- Within the body of a spec entry, `#` is reserved for version headings. Spec content should start at `##` and below.
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## Template
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Use this starter when creating a colocated spec entry:
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```markdown
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# --- version: 0.1.0 ---
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---
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title: Replace with title
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status: deprecated
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owners:
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- Full Name <name@example.com>
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---
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## TODO
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```
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When the spec evolves, append another entry in the same shape with a new version heading. |