Finalize ConfigKit design and implementation plan
This commit is contained in:
37
docs/adr/0001-separate-composition-and-overlay.md
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37
docs/adr/0001-separate-composition-and-overlay.md
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# ADR 0001: Separate Composition and Overlay
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## Status
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Accepted. This records a design decision, not implementation completion.
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## Date
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2026-09-06
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## Context
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Configuration fragments allow independent parts of an application to contribute
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settings. Treating every file as a precedence layer makes accidental duplicates
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silently depend on file order. Profiles, however, need intentional replacement.
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## Decision
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Use distinct strict-composition and intentional-overlay operations. Composition
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rejects conflicting definitions; overlay provides explicit precedence. Keep the
|
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operations opinionated rather than adding arbitrary per-field merge strategies.
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The [architecture policy](../policy/architecture.md) owns the governing boundary;
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the [target design](../roadmap/initial.md#composition-and-overlay) owns the planned
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operation table until its current contract lands.
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## Alternatives considered
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- Last-wins loading for all files: convenient but conceals accidental conflicts.
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- Strict loading for every layer: catches conflicts but cannot express profiles.
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- User-defined merge policies: flexible but weakens consistency and expands the API.
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## Consequences
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Consumers must distinguish modular contributions from intentional overrides.
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Diagnostics need both conflicting sources. File order remains useful for stable
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traversal and reporting but cannot silently authorize replacement. Named mappings
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are the natural representation for independently contributed entries.
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38
docs/adr/0002-own-yaml-semantics.md
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38
docs/adr/0002-own-yaml-semantics.md
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# ADR 0002: Own YAML Semantics Behind a Private Parser Boundary
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## Status
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Accepted. This records a design decision, not implementation completion.
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## Date
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2026-09-06
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## Context
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A shared library cannot provide consistent configuration semantics if each
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consumer inherits parser conversions, node types, and extension behavior.
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Exposing parser types also makes dependency changes part of the public API.
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## Decision
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ConfigKit defines its supported YAML policy and keeps parser integration private.
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Application types and diagnostics must not require parser-specific public types.
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Use a small internal boundary rather than a general parser/provider framework.
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The [architecture policy](../policy/architecture.md) owns this constraint; the
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[target design](../roadmap/initial.md#yaml-and-scalar-policy) owns planned syntax.
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## Alternatives considered
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- Expose parser nodes and hooks: easy integration but couples consumers to parser
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behavior and permits bypassing library policy.
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- Adopt the parser's entire YAML behavior: reduces initial code but leaves core
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semantics outside ConfigKit's control.
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- Abstract many configuration languages immediately: adds unsupported scope.
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## Consequences
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Parser changes require behavior-level compatibility verification. ConfigKit must
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translate errors safely and enforce its own supported subset. Some existing
|
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consumer custom decoders will need replacement with library-supported mechanisms
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or application resolution. No particular parser dependency is selected here.
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43
docs/adr/0003-preserve-presence-and-resolution-history.md
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docs/adr/0003-preserve-presence-and-resolution-history.md
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# ADR 0003: Preserve Presence and Record Application Resolution
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## Status
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Accepted. This records a design decision, not implementation completion.
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## Date
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2026-09-06
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## Context
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|
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Go zero values cannot distinguish omitted input from explicitly configured false,
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zero, or empty text. Decoding immediately also loses information needed to explain
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imports and overlays. Application normalization can subsequently make retained
|
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input metadata disagree with runtime values.
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## Decision
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Preserve input presence and provenance separately from ordinary application Go
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values. Keep application defaults and normalization application-owned, but record
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resolution changes so final inspection and metadata describe the actual resolved
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snapshot. Do not promise language-enforced immutability of exported Go values.
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The [architecture policy](../policy/architecture.md) owns these invariants; the
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[target design](../roadmap/initial.md#recorded-resolution-and-validation) owns the
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planned recording mechanism and ownership semantics.
|
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|
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## Alternatives considered
|
||||
|
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- Infer presence from zero values: cannot preserve explicit zero-valued settings.
|
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- Require pointers or optional wrappers everywhere: burdens application types and
|
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confuses input presence with domain nullability.
|
||||
- Retain only the composed input tree: cannot explain post-decode changes.
|
||||
- Automatically diff mutations without reasons: detects changes but cannot explain
|
||||
application intent or derivation dependencies.
|
||||
|
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## Consequences
|
||||
|
||||
Metadata and snapshot ownership are core concerns rather than optional debugging
|
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features. Resolution hooks must participate in recording changes. Verification
|
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must compare final values, origins, and rendering, including secret treatment.
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This costs more than plain unmarshalling but removes repeated presence machinery
|
||||
from consumers and supports trustworthy inspection.
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@@ -1,54 +1,56 @@
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# Development
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||||
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This is the contributor entry point for thsi application. Use the task-specific
|
||||
reading guide below before making changes. Canonical architecture, contracts,
|
||||
component behavior, and policies remain in their owning documents.
|
||||
This is the contributor entry point for ConfigKit. Read the task-specific owners
|
||||
below before making changes. The repository is in pre-implementation: it has no
|
||||
Go module, packages, tests, or executable examples yet. The
|
||||
[component overview](internal/overview.md) owns the implementation inventory.
|
||||
|
||||
## Initial Orientation
|
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## Initial orientation
|
||||
|
||||
Before starting work:
|
||||
1. Inspect the working tree and preserve unrelated changes.
|
||||
2. Read the architecture policy for code or design work.
|
||||
3. Read the policy, contract, and internal documents applicable to the task.
|
||||
4. Inspect relevant implementation and tests where they exist before changing them.
|
||||
|
||||
1. inspect the working tree and preserve unrelated changes;
|
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2. read the architecture policy for code or design work;
|
||||
3. read the policy, contract, and internal documents listed for the task;
|
||||
4. inspect the relevant implementation and tests before deciding how to change
|
||||
them.
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## Task-specific reading guide
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||||
|
||||
Start with:
|
||||
|
||||
- [Architecture policy](policy/architecture.md) for system boundaries,
|
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invariants, and non-goals;
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- [Internal component overview](internal/overview.md) for the current package
|
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and component map;
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- [Documentation policy](policy/documentation.md) before changing
|
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documentation;
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- [Testing policy](policy/testing.md) before adding, rewriting, or deleting
|
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tests.
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## Task-Specific Reading Guide
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| Task | Read before changing |
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| Task | Read |
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||||
| --- | --- |
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||||
| Repository orientation or component responsibility | [Internal component overview](internal/overview.md) and [architecture policy](policy/architecture.md) |
|
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| Examples or copyable assets | The owning contract for the demonstrated behavior and the related files under `examples/` |
|
||||
| Architecture decisions or future work | The [documentation policy](policy/documentation.md) and relevant accepted ADRs |
|
||||
| Repository orientation or component responsibility | [Architecture policy](policy/architecture.md) and [component overview](internal/overview.md) |
|
||||
| Documentation changes | [Documentation policy](policy/documentation.md) and the owning document |
|
||||
| Architecture decisions or future work | [Documentation policy](policy/documentation.md), [initial target design](roadmap/initial.md), and relevant ADRs listed below |
|
||||
| Code and test changes | [Architecture policy](policy/architecture.md), [testing policy](policy/testing.md), and owning contracts/tests as they are introduced |
|
||||
| Examples or copyable assets | The owning implemented contract and related maintained examples, once available |
|
||||
| Release preparation | [Release policy](policy/release.md) and [release-readiness gaps](roadmap/release-readiness.md); the operational runbook will be added before release |
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||||
|
||||
For cross-cutting changes, follow every applicable row. Internal component
|
||||
documents own detailed subsystem change recipes.
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||||
Accepted decisions:
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||||
|
||||
## Baseline Validation
|
||||
- [Separate composition and overlay](adr/0001-separate-composition-and-overlay.md)
|
||||
- [Own YAML semantics behind a private parser boundary](adr/0002-own-yaml-semantics.md)
|
||||
- [Preserve presence and record application resolution](adr/0003-preserve-presence-and-resolution-history.md)
|
||||
|
||||
Use focused checks while iterating, then run validation proportionate to the
|
||||
change and the risks described by the testing policy.
|
||||
For cross-cutting changes, follow every applicable row. The implementation plan
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remains deferred; `docs/roadmap/implementation.md` has not been created.
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|
||||
The repository-level baseline for code changes is:
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## Baseline validation
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||||
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```bash
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go test ./...
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||||
go vet ./...
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||||
go build ./cmd/scriptorium
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||||
For the current documentation-only repository:
|
||||
|
||||
```sh
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||||
git diff --check
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||||
```
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Documentation-only work does not require the full Go suite unless it changes
|
||||
commands, examples, generated output, or another behavior that the suite
|
||||
validates. Always check changed links, paths, examples, and canonical ownership.
|
||||
Also inspect new untracked documents, verify changed local links and heading
|
||||
fragments, and review paths, examples, ownership, and current-versus-planned
|
||||
claims. The command above does not check links or untracked content.
|
||||
|
||||
Go validation is not runnable until a module and packages exist. The scaffolding
|
||||
change must establish and verify library test, vet, and build commands here,
|
||||
including their prerequisites. Do not use an application binary build as the
|
||||
library baseline. Add executable-example and other checks when those artifacts
|
||||
are introduced; do not document nonexistent tools as operational.
|
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|
||||
Once code exists, use focused checks while iterating and validation proportionate
|
||||
to the change under the testing policy. Documentation-only work does not require
|
||||
Go checks unless it changes behavior-bearing examples or commands they validate.
|
||||
Release validation is a separate, stricter gate governed by release policy.
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||||
@@ -1,13 +1,10 @@
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# Internal Component Overview
|
||||
|
||||
## Purpose
|
||||
ConfigKit has no implemented Go packages or components yet. This document will
|
||||
inventory components and link to their current contracts and focused internal
|
||||
documentation as they are introduced.
|
||||
|
||||
This is the inventory of this application's implemented components for contributors.
|
||||
The [architecture policy](../policy/architecture.md) owns normative boundaries
|
||||
and invariants; public behavior belongs in the linked contracts.
|
||||
|
||||
TODO: Add tables below, using the following format:
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||||
|
||||
| Component | Implemented responsibility | References |
|
||||
| --- | --- | --- |
|
||||
| | | |
|
||||
The [architecture policy](../policy/architecture.md) owns binding boundaries and
|
||||
invariants. The [initial target design](../roadmap/initial.md) describes planned
|
||||
behavior; it is not an inventory of implemented features. See the
|
||||
[development guide](../development.md) for contributor orientation and validation.
|
||||
|
||||
@@ -2,29 +2,119 @@
|
||||
|
||||
**Base Policy Version:** 1.0
|
||||
|
||||
**Last Updated**: 2026-09-06
|
||||
**Last Updated:** 2026-09-06
|
||||
|
||||
## Base Policy Template
|
||||
## Purpose and applicability
|
||||
|
||||
This document is the base template for the canonical architecture policy,. Repositories that implement this policy should:
|
||||
ConfigKit is an opinionated Go library for consistent YAML configuration loading
|
||||
and resolution across consuming applications. This policy governs contributions
|
||||
now; it does not claim that the target features are implemented. The
|
||||
[component overview](../internal/overview.md) owns implementation inventory and
|
||||
[initial roadmap](../roadmap/initial.md) owns unimplemented target behavior.
|
||||
|
||||
1. Revise this document to include an architectural policy tailored to the implementing repository, including a description of the repository's purpose, overall intended system shape, and any architectural and/or engineering invariants that must be maintained during future development;
|
||||
2. Ensure that any supporting documents referenced in the architecture policy are present on the filesystem, even if the initial content is simply `TODO`;
|
||||
3. Update the `Last Updated` field to the current date; and
|
||||
4. Remove this heading (`Base Policy Template`) and the associated text.
|
||||
## Success criteria
|
||||
|
||||
As compared to other base policy documents, the Architecture Policy is the document that should be most heavily customized and tailored to the intended architecture of a particular application.
|
||||
1. **Reduce application infrastructure:** Can applications delete substantial
|
||||
configuration infrastructure while retaining clear ownership of their domain
|
||||
rules?
|
||||
2. **Unify configuration conventions:** Do consumers adopt one consistent
|
||||
configuration model, with only the flexibility needed to express genuine
|
||||
application requirements?
|
||||
|
||||
## Purpose
|
||||
Both criteria must hold. ConfigKit should not preserve divergent consumer
|
||||
conventions merely for compatibility, nor impose restrictions that prevent useful
|
||||
domain information from being expressed. Prefer a canonical representation using
|
||||
existing primitives before adding another mechanism. Extend the model when a
|
||||
concrete requirement cannot be accommodated cleanly, not simply because a
|
||||
consumer already implements a different convention.
|
||||
|
||||
This policy defines the purpose of this repository and the architectural principles that contributors
|
||||
must follow during development.
|
||||
Use both criteria to evaluate public API changes and consumer adoption. Shared
|
||||
loading, presence tracking, source attribution, and diagnostic plumbing should
|
||||
move out of applications; application types, defaults, normalization, and semantic
|
||||
validation should remain recognizable application code. Replacing that plumbing
|
||||
with equally repetitive callback bookkeeping does not meet the first criterion.
|
||||
Offering alternate parsing, precedence, or composition conventions through escape
|
||||
hatches does not meet the second.
|
||||
|
||||
TODO: Complete this document.
|
||||
Consumer migrations are expected and may intentionally change configuration
|
||||
syntax. Existing consumer code supplies implementation foundations and evidence
|
||||
of needs; it does not define ConfigKit's compatibility obligations. Once ConfigKit
|
||||
publishes its own contracts, changes to those contracts remain governed by the
|
||||
[release policy](release.md).
|
||||
|
||||
Non-limiting examples of topics that may be addressed by an architectural policy include:
|
||||
- Adherence to a hexagonal architecture, including whether external integrations/APIs must be encapsulated within internal adapters (strongly recommended)
|
||||
- Whether a library is intended to provide a highly flexible API that supports a variety of downstream consumers, or a strongly opinionated API that is intended to enforce consistency across downstream consumers
|
||||
- Whether an application should support a full DAG, or alternatively a strongly ordered sequence of discrete stages
|
||||
- Whether the application should use specific external libraries to provide key functionality (e.g., FeedKit, ConfigKit, PromptKit)
|
||||
- Any explicit architectural non-goals
|
||||
Require representative simple and complex consumer examples to substantiate API
|
||||
designs. Proposed extensions must identify the domain requirement, explain why
|
||||
existing primitives cannot accommodate it cleanly, and show how the extension
|
||||
preserves a coherent model. Application-specific interpretation and validation
|
||||
remain appropriate. Reuse Narratio's applicable infrastructure under these
|
||||
boundaries, and keep simple consumers independent of optional composition
|
||||
features. The [consumer API design](../roadmap/initial.md#consumer-api-design)
|
||||
describes the proposed surface; this policy does not claim it is implemented.
|
||||
|
||||
## Responsibility boundaries
|
||||
|
||||
ConfigKit owns configuration input processing and the coordination of decoding,
|
||||
resolution, validation, and inspection. Applications own their configuration
|
||||
types, field meanings, defaults, normalization, semantic validation, and schema
|
||||
version policy. Applications also own main-file search conventions, CLI wiring,
|
||||
remote acquisition, runtime initialization, and resource checks.
|
||||
|
||||
Library code must not depend on consuming applications or initialize their
|
||||
runtime resources. It must not perform implicit network access, discover
|
||||
application-specific paths, or change process-global state to load configuration.
|
||||
Remote data can enter through application-supplied input without introducing a
|
||||
network provider into the library.
|
||||
|
||||
## Public API and dependency direction
|
||||
|
||||
Keep one small, coherent public surface for the supported lifecycle. Simple
|
||||
single-document consumers must not need import, profile, or provider machinery.
|
||||
Do not expose parser-specific nodes, errors, or extension hooks through the
|
||||
public API. Parser integration belongs behind a private boundary, as recorded
|
||||
in [ADR 0002](../adr/0002-own-yaml-semantics.md).
|
||||
|
||||
Separate input access, document processing, composition, decoding, metadata, and
|
||||
rendering responsibilities without prescribing an interface or package for each.
|
||||
Dependencies must preserve those boundaries; package splits and abstractions
|
||||
must earn their complexity. Do not impose a full application or hexagonal
|
||||
framework on this library.
|
||||
|
||||
## Configuration integrity
|
||||
|
||||
Composition and intentional overlay are distinct operations. Composition must
|
||||
not silently become last-wins override through file ordering. The decision and
|
||||
alternatives are recorded in [ADR 0001](../adr/0001-separate-composition-and-overlay.md).
|
||||
|
||||
ConfigKit must define supported YAML semantics explicitly rather than inherit
|
||||
parser defaults. Processing order and diagnostics must be deterministic for the
|
||||
same inputs and options. Invalid input must not produce a successful usable
|
||||
configuration. Do not run application hooks on invalid typed configuration.
|
||||
|
||||
Preserve presence and source information through processing. Ordinary Go zero
|
||||
values must not be used to infer whether input was absent. Final configuration,
|
||||
metadata, and effective inspection must agree, including application resolution
|
||||
changes; see [ADR 0003](../adr/0003-preserve-presence-and-resolution-history.md).
|
||||
Detailed syntax and operation tables belong to the target roadmap until their
|
||||
current configuration contract is implemented.
|
||||
|
||||
## Ownership and confidentiality
|
||||
|
||||
Returned configuration and metadata must not share mutable state across loads.
|
||||
ConfigKit must not mutate a result after returning it. Ordinary exported Go
|
||||
values are not language-enforced immutable objects; document caller ownership
|
||||
and the lifetime of captured metadata without promising otherwise.
|
||||
|
||||
Secrets must be considered throughout error handling and inspection. Library
|
||||
renderers must apply secret classification, and parser errors must not be
|
||||
forwarded blindly when they can include raw input. Do not log configuration
|
||||
implicitly. Applications remain responsible for classifying their secrets and
|
||||
for safe messages supplied by their hooks.
|
||||
|
||||
## Scope boundaries
|
||||
|
||||
Do not introduce automatic directory discovery, network providers, arbitrary
|
||||
merge strategies, additional configuration languages, or application runtime
|
||||
management without concrete consumer evidence and an explicit design decision.
|
||||
The roadmap owns the complete deferred-feature inventory. Significant boundary
|
||||
changes require an ADR and corresponding policy/contract updates; implementation
|
||||
convenience alone is not a reason to broaden the public API.
|
||||
|
||||
@@ -2,170 +2,126 @@
|
||||
|
||||
**Base Policy Version:** 1.0
|
||||
|
||||
**Last Updated**: 2026-09-06
|
||||
|
||||
## Base Policy Template
|
||||
|
||||
This document is the base template for the canonical documentation policy. Repositories that implement this policy should:
|
||||
|
||||
1. Review the list of documents under the `Canonical Ownership` heading, remove any entries that do not currently apply and are not expected to apply to the current project, and add any additional entries that may be required by the current project;
|
||||
2. Ensure that each referenced document is present on the filesystem, even if the initial content is simply `TODO`;
|
||||
3. Update the `Last Updated` field to the current date; and
|
||||
4. Remove this heading (`Base Policy Template`) and the associated text.
|
||||
**Last Updated:** 2026-09-06
|
||||
|
||||
## Purpose
|
||||
|
||||
This policy assigns each documentation topic to one canonical owner. Its goal is
|
||||
to keep this application's documentation accurate, concise, discoverable, and resistant
|
||||
to drift for users, operators, developers, integrators, and LLM coding agents.
|
||||
Assign each documentation topic one canonical owner so ConfigKit's documentation
|
||||
remains accurate and useful to consumers, maintainers, and implementation agents.
|
||||
|
||||
## Core Rules
|
||||
## Core rules
|
||||
|
||||
### One Canonical Owner
|
||||
### One canonical owner
|
||||
|
||||
Each authoritative fact belongs in one document. A non-owning document may give
|
||||
a short, stable summary for orientation, but it must link to the canonical owner
|
||||
instead of repeating volatile details.
|
||||
Each authoritative fact belongs in one owning document or Go declaration's
|
||||
reference documentation. Other documents may summarize and link to that owner;
|
||||
they must not maintain competing definitions of commands, API contracts, YAML
|
||||
semantics, defaults, paths, diagnostics, or compatibility guarantees.
|
||||
|
||||
Volatile details include commands, flags, configuration fields and defaults,
|
||||
module keys, schemas, file names, paths, status codes, retry behavior, and
|
||||
runtime guarantees. If readers could reasonably treat a statement as a
|
||||
contract, maintain it only in the owning document.
|
||||
### Policies, current behavior, and future work
|
||||
|
||||
### Current And Future Behavior
|
||||
- Policies state currently binding contributor rules, including constraints on
|
||||
future implementation. They do not imply that features already exist.
|
||||
- Current API/configuration contracts, consumer guidance, and component
|
||||
documentation describe implemented behavior only, including partial boundaries.
|
||||
- ADRs record accepted decisions and rationale. Acceptance is not evidence of
|
||||
implementation; execution status belongs in roadmaps.
|
||||
- Roadmaps own unimplemented targets, deferred work, and execution status.
|
||||
|
||||
Outside `docs/roadmap/`, documentation describes implemented behavior only.
|
||||
Partial features may be described only to their implemented boundary.
|
||||
The initial target and implementation plan have separate owners. Do not put
|
||||
staged steps or progress in `docs/roadmap/initial.md`. The future
|
||||
`docs/roadmap/implementation.md` will own those details when it is created.
|
||||
As behavior lands, move its normative definition into the current contract and
|
||||
replace the roadmap definition with a link. Retire completed roadmap material
|
||||
as part of release preparation; ADRs preserve significant decision history.
|
||||
|
||||
ADRs are the narrow exception: an ADR may record an accepted architectural
|
||||
decision before implementation, but acceptance must not be presented as proof
|
||||
that the behavior exists. The roadmap owns implementation status and sequencing
|
||||
until the decision is implemented. Current architecture, user, operator,
|
||||
integration, and internal documentation are updated when the behavior lands.
|
||||
### Audience and examples
|
||||
|
||||
### Audience And Detail
|
||||
Consumer documentation explains how to use the library and what consumers own.
|
||||
Internal documents explain mechanisms and dependencies. Keep implementation
|
||||
mechanics out of consumer guidance unless they affect a meaningful choice.
|
||||
|
||||
Write for the document's stated audience and include only the detail needed for
|
||||
its owned topic. User and operator docs should not expose implementation detail.
|
||||
Developer docs should link to user-facing and external contracts rather than
|
||||
restate them.
|
||||
Complete copyable artifacts belong in `examples/`; Go API examples may live in
|
||||
executable Go example tests beside the relevant package. Prose should use the
|
||||
smallest useful excerpt and link to the maintained artifact. Examples must be
|
||||
secret-free and checked against implemented behavior. Clearly label illustrative
|
||||
future syntax in roadmaps; do not present it as a runnable current example.
|
||||
|
||||
### Examples
|
||||
### Security and privacy
|
||||
|
||||
Complete copyable files belong in `examples/`. Documentation may use the
|
||||
smallest illustrative snippet needed to explain its owned topic, but should link
|
||||
to maintained examples instead of embedding a second complete copy.
|
||||
Do not include real credentials, private keys, environment dumps, sensitive input,
|
||||
or private infrastructure details unless intentionally public. Document secret
|
||||
handling, not secret values.
|
||||
|
||||
Examples must be valid, secret-free, and tested where practical. Commands and
|
||||
configuration used in documentation should match the application.
|
||||
## Canonical ownership
|
||||
|
||||
### Security And Privacy
|
||||
| Topic | Owner | Boundary |
|
||||
| --- | --- | --- |
|
||||
| Product orientation | `README.md` | Current status, purpose, navigation, and a minimal working example once available |
|
||||
| Contributor entry point | `docs/development.md` | Reading guide and actual baseline validation commands |
|
||||
| Architecture rules | `docs/policy/architecture.md` | Responsibilities, dependency constraints, invariants, and scope boundaries |
|
||||
| Documentation rules | `docs/policy/documentation.md` | Ownership and document lifecycle |
|
||||
| Testing rules | `docs/policy/testing.md` | Risk-based sufficiency, test boundaries, and maintenance principles |
|
||||
| Release rules | `docs/policy/release.md` | Compatibility, integrity, gates, immutability, and exceptions |
|
||||
| Release procedure | `docs/release.md`, when operational | Exact maintainer commands, prerequisites, supported targets, and verification |
|
||||
| Exported Go API | Go documentation beside declarations | Symbol contracts, errors, ownership, and lifecycle API behavior |
|
||||
| YAML and resolution semantics | `docs/config.md`, as behavior lands | Syntax, composition, precedence, conversion, and metadata semantics; Go reference docs link here for shared rules |
|
||||
| Consumer walkthroughs | `docs/consumers/`, when useful | Task-oriented usage and consumer responsibilities, not duplicate API reference |
|
||||
| Component inventory | `docs/internal/overview.md` | Implemented components and links to their owners |
|
||||
| Component mechanics | Other `docs/internal/` files, when needed | Detailed implementation behavior and change recipes |
|
||||
| Architectural decisions | `docs/adr/` | Context, decisions, alternatives, consequences, and supersession history |
|
||||
| Initial target | `docs/roadmap/initial.md` | Unimplemented end-state and deferred feature scope |
|
||||
| Implementation plan | Future `docs/roadmap/implementation.md` | Stages, dependencies, acceptance gates, and progress |
|
||||
| Release readiness gaps | `docs/roadmap/release-readiness.md` | Outstanding release prerequisites and closure evidence |
|
||||
| Historical release notes | `docs/releases/` | Version-specific historical summaries required by release policy |
|
||||
| Complete examples | `examples/` and executable Go examples | Maintained artifacts; prose links instead of duplicating full examples |
|
||||
|
||||
Documentation and examples must not contain real credentials, private keys,
|
||||
private environment dumps, sensitive source material, or private infrastructure
|
||||
details unless intentionally public. Document secret-handling mechanisms, not
|
||||
secret values.
|
||||
A listed future owner is not a requirement to create an empty file now. Create
|
||||
API, consumer, example, and component documents when the corresponding behavior
|
||||
exists and there is useful content to own. Link only to existing files; use plain
|
||||
code paths for planned files. Release prerequisites have the explicit temporary
|
||||
exception recorded in the release policy.
|
||||
|
||||
## Canonical Ownership
|
||||
ConfigKit has no owned HTTP service, application CLI, or runtime operations
|
||||
interface. Do not create those reference documents for consuming applications.
|
||||
|
||||
| Topic | Canonical owner | Owned content | Content owned elsewhere |
|
||||
| --- | --- | --- | --- |
|
||||
| Product orientation and minimal end-to-end quickstart | `README.md` | What this application is, why it is useful, one shortest successful invocation, and links onward. | Complete command reference, configuration reference, operational procedures, implementation detail. |
|
||||
| Contributor entry point | `docs/development.md` | Task-oriented reading guide, minimal contributor orientation, baseline validation commands, and links to canonical docs. | Package inventory, architecture rules, subsystem behavior, detailed change recipes. |
|
||||
| Application architecture policy | `docs/policy/architecture.md` | System shape, normative ownership, dependency direction, architectural boundaries, invariants, safety properties, and non-goals. | Concrete package inventory, implementation mechanics, contributor procedures, decision history, future work. |
|
||||
| Documentation policy | `docs/policy/documentation.md` | Documentation ownership, audience boundaries, maintenance rules, and ADR/document lifecycle. | Application architecture or product behavior. |
|
||||
| Testing policy | `docs/policy/testing.md` | Test philosophy, risk-based sufficiency, test boundaries, doubles, coverage guidance, regression-test policy, and criteria for adding, rewriting, or deleting tests. | Subsystem behavior, application contracts, subsystem-specific test inventories, and implementation plans. |
|
||||
| Release policy | `docs/policy/release.md` | Versioning and compatibility rules, release integrity and immutability requirements, release-documentation policy, required gates, publication controls, verification requirements, and exception policy. | Repository-specific commands, product installation guidance, CLI version semantics, historical release summaries, and CI implementation detail. |
|
||||
| Repository-specific release procedure | `docs/release.md` | Maintainer prerequisites, candidate preparation, concrete validation and publication commands, repository and registry guards, deliverable publication, consumer-facing verification, and failure recovery. | General release requirements, product installation guidance, historical release summaries, and current compatibility contracts. |
|
||||
| CLI contract (if applicable) | `docs/cli.md` | Commands, arguments, flags, invocation semantics, and exit codes. | End-to-end operating procedures, configuration field definitions, runtime filesystem layout, module implementation details. |
|
||||
| Configuration contract (if applicable) | `docs/config.md` | Discovery and precedence, file schema, fields, defaults, environment overrides, validation rules, and user-selectable module or validator keys. | Complete example files, CLI syntax, runtime state lifecycle, module implementation details. |
|
||||
| Operations (if applicable) | `docs/operations.md` | Runtime workflows, physical filesystem and state layout, output, cache, and debug handling, resume, cleanup, permissions, recovery, and operational limits. | CLI flag syntax, configuration field definitions, logical output schemas, implementation mechanics. |
|
||||
| Public HTTP contract (if applicable) | `docs/api.md` | Routes, authentication, media types, request and response schemas, status codes, pagination, caching, idempotency, rate limits, and HTTP retry semantics. | Client walkthroughs, upstream or downstream integration internals, implementation detail. |
|
||||
| Consumer guidance for the public Go API (if applicable) | `docs/consumers/` | Task-oriented use of the public interface, minimal client examples, and consumer responsibilities. | HTTP wire semantics, external protocol contracts, internal implementation detail. |
|
||||
| Integration contracts for external components (if applicable) | `docs/integrations/` | External file formats and protocols, upstream and downstream contracts, logical output bundle paths and schemas, media types, and compatibility behavior. | Physical runtime placement and lifecycle, internal transformations, CLI syntax, configuration defaults. |
|
||||
| Inventory of implemented internal packages | `docs/internal/overview.md` | Current packages and components, their implemented responsibilities, and links to focused internal docs. | Normative architecture, contributor reading policy, external contracts. |
|
||||
| Behavior and architecture of internal packages | Other files under `docs/internal/` | Implementation flow, internal collaborators and state transitions, package-local guarantees and failures, and relevant tests. | Global architecture invariants, configuration definitions and defaults, external schemas, operator procedures. |
|
||||
| Architectural decision records | `docs/adr/` | Significant decisions, context, alternatives, rationale, consequences, and supersession history. | Current behavior reference, implementation status, task sequencing. |
|
||||
| Future work and implementation status | `docs/roadmap/` | Proposed, accepted, deferred, or rejected work; implementation status; sequencing; and task breakdowns. | Implemented behavior reference and architectural decision rationale. |
|
||||
| Release-note history | `docs/releases/` | One checked-in historical summary for each source release made under the procedure. The note at the immutable tag is that release's record. | Current commands, behavior, contracts, and compatibility definitions. |
|
||||
| Complete copyable artifacts | `examples/` | Maintained configuration, inputs, and other files intended to be copied or run. | Field-by-field reference, command reference, prose explanation. |
|
||||
## Boundary rules
|
||||
|
||||
Documents that do not exist are required only when the corresponding interface
|
||||
or responsibility exists. Do not create placeholder API, consumer, integration,
|
||||
or operations documents for behavior the application does not have.
|
||||
Architecture owns governing constraints; ADRs explain why; contracts describe
|
||||
implemented semantics; internal documentation explains how. A roadmap may link
|
||||
to all of them but must not become a second current reference.
|
||||
|
||||
## Boundary Rules
|
||||
Release policy owns guarantees; the release procedure owns commands. A release
|
||||
note cannot redefine a compatibility contract or replace a current-documentation
|
||||
update. The note at an immutable tag is that release's historical record.
|
||||
|
||||
### Orientation
|
||||
This policy owns what documentation may disclose. Architecture owns security
|
||||
invariants. Current configuration and Go API contracts own secret-classification
|
||||
and rendering behavior when implemented; internal docs own their mechanisms.
|
||||
|
||||
The README owns product orientation. The developer guide routes contributors.
|
||||
Architecture owns normative structure. Internal overview owns the current
|
||||
concrete component map. These documents may link to one another but should not
|
||||
maintain parallel package or behavior descriptions.
|
||||
## Architectural decision records
|
||||
|
||||
### Commands, Configuration, And Operations
|
||||
Use sequential filenames, such as `0001-separate-composition-and-overlay.md`,
|
||||
and the lightweight Nygard structure: title, status, date, context, decision,
|
||||
alternatives considered, and consequences.
|
||||
|
||||
CLI documentation answers how to invoke the application. Configuration
|
||||
documentation answers what settings mean. Operations answers what happens to
|
||||
runtime state and how to operate or recover the application. When a workflow
|
||||
crosses these topics, choose the document that owns the task and link to the
|
||||
other contracts.
|
||||
Accepted decision content is immutable. A changed decision requires a new ADR
|
||||
and a superseded status/link in the old one. Navigation links may be repaired
|
||||
when specification ownership moves without rewriting historical rationale.
|
||||
Rejected architectural alternatives belong in ADRs; deferred or rejected product
|
||||
features belong in roadmaps. Do not create an ADR for every routine choice.
|
||||
|
||||
### Releases
|
||||
## Maintenance and verification
|
||||
|
||||
The release policy defines requirements and invariants that every release must
|
||||
satisfy. The repository-specific release procedure defines the commands and
|
||||
workflow maintainers use to satisfy that policy. Release notes are immutable
|
||||
historical summaries, not current-state contract owners: the checked-in note at
|
||||
an immutable tag records that release, while current canonical documentation
|
||||
must change with the behavior it describes. Do not use a release procedure or
|
||||
release note to weaken policy, redefine current behavior, or defer required
|
||||
documentation updates.
|
||||
|
||||
### Contracts And Implementation
|
||||
|
||||
Integration and API documents define externally observable shapes and
|
||||
semantics. Internal documents explain how this application implements or consumes those
|
||||
contracts. Internal docs may name a field, file, or protocol to identify a
|
||||
dependency, but must link to its canonical contract for the definition.
|
||||
|
||||
### Security Topics
|
||||
|
||||
This policy owns what documentation and examples may contain. Architecture owns
|
||||
application security invariants. Configuration owns credential-supply
|
||||
mechanisms. Operations owns permissions and handling of sensitive runtime
|
||||
artifacts. Internal docs own implementation mechanisms only.
|
||||
|
||||
## Architecture Decision Records
|
||||
|
||||
Use sequentially numbered ADR filenames such as
|
||||
`0001-record-architecture-decisions.md`. Follow the lightweight Nygard format:
|
||||
|
||||
1. title;
|
||||
2. status;
|
||||
3. date;
|
||||
4. context;
|
||||
5. decision;
|
||||
6. alternatives considered;
|
||||
7. consequences.
|
||||
|
||||
Treat the decision content of an accepted ADR as immutable. When a decision
|
||||
changes, create a new ADR and update the earlier ADR's status to superseded.
|
||||
Rejected architectural alternatives belong in the ADR; rejected product ideas
|
||||
belong in the roadmap.
|
||||
|
||||
## Maintenance
|
||||
|
||||
When behavior changes, update its canonical owner in the same change. If
|
||||
ownership moves, remove the old definition and replace it with a link where
|
||||
navigation remains useful.
|
||||
Update the owning current documentation in the same change that implements or
|
||||
changes behavior. When ownership moves, remove the old definition and preserve
|
||||
useful navigation links.
|
||||
|
||||
Before completing documentation work:
|
||||
|
||||
- verify affected behavior and examples;
|
||||
- check commands, flags, fields, defaults, schemas, and paths against their
|
||||
implementation;
|
||||
- keep unimplemented behavior in the roadmap, subject to the ADR exception;
|
||||
- remove stale references and validate links;
|
||||
- confirm that non-owning documents summarize and link rather than redefine;
|
||||
- confirm that no secrets or sensitive private data were added.
|
||||
- verify claims against the implementation or clearly identify future design;
|
||||
- check changed local links, paths, fragments, examples, and commands;
|
||||
- preserve the distinction between policy, decisions, target behavior, and status;
|
||||
- check canonical ownership and remove stale or duplicate definitions;
|
||||
- inspect formatting and whitespace;
|
||||
- ensure no sensitive data was introduced.
|
||||
|
||||
@@ -2,30 +2,7 @@
|
||||
|
||||
**Base Policy Version:** 0.1.0
|
||||
|
||||
**Last Updated**: 2026-09-06
|
||||
|
||||
## Base Policy Template
|
||||
|
||||
This document is the base template for the canonical release policy.
|
||||
Repositories that implement this policy should:
|
||||
|
||||
1. Retain the substantive requirements of this policy unless a documented
|
||||
repository constraint requires an exception;
|
||||
2. Define the repository-specific release procedure, validation commands,
|
||||
supported deliverables, and verification commands in `docs/release.md`;
|
||||
3. Ensure that every document and script required by the adopted policy and
|
||||
procedure is present on the filesystem;
|
||||
4. Add stricter repository-specific requirements where the product, delivery
|
||||
channels, or threat model require them;
|
||||
5. Record every exception under `Policy Exceptions`, including its rationale
|
||||
and compensating controls;
|
||||
6. Update the `Last Updated` field to the current date; and
|
||||
7. Remove this heading (`Base Policy Template`) and the associated text.
|
||||
|
||||
The base policy is a standard, not a collection of optional recommendations.
|
||||
An implementing repository should customize its release mechanics without
|
||||
silently weakening the common integrity, validation, documentation,
|
||||
verification, or immutability guarantees below.
|
||||
**Last Updated:** 2026-09-06
|
||||
|
||||
## Purpose
|
||||
|
||||
@@ -38,6 +15,26 @@ The repository-specific commands that implement these requirements belong in
|
||||
`docs/release.md`. Historical release summaries belong in `docs/releases/`.
|
||||
Neither document may weaken this policy.
|
||||
|
||||
## ConfigKit applicability
|
||||
|
||||
ConfigKit adopts a source-only Go module release model. The source tag and
|
||||
version-matched release note are the declared deliverables. Standalone binaries,
|
||||
container images, and separate binary/package-registry publication are not
|
||||
required. This does not waive source compilation, module hygiene, testing, or
|
||||
consumer-facing module retrieval and build verification.
|
||||
|
||||
The release procedure must define the module path, authoritative remote,
|
||||
supported Go versions and operating-system/architecture targets, prerequisite
|
||||
dependency acquisition, and the exact verification commands once established.
|
||||
The default tests themselves remain deterministic and offline. Additional
|
||||
publication channels require documented deliverables and verification before use.
|
||||
|
||||
The Go API, documented YAML/resolution semantics, and structured diagnostic
|
||||
contracts all participate in compatibility review. A signature-preserving change
|
||||
can still break consumers. Human diagnostic wording is stable only where a
|
||||
contract expressly promises it. Minimum Go version and platform support changes
|
||||
also require an explicit compatibility assessment.
|
||||
|
||||
## Release Model
|
||||
|
||||
A release consists of:
|
||||
@@ -111,7 +108,7 @@ This release ...
|
||||
## Changes
|
||||
```
|
||||
|
||||
Use an explicit statement such as "No action required" when a section has no
|
||||
Use an explicit statement such as "No action required" when a section has no
|
||||
substantive content.
|
||||
|
||||
Release notes are immutable historical summaries. They should link to current
|
||||
@@ -138,7 +135,7 @@ The required gates are:
|
||||
- validation of maintained examples, configuration, schemas, generated
|
||||
sources, and documentation commands where applicable;
|
||||
- review of changed local documentation links;
|
||||
- removal of obsolute roadmap documents under `docs/roadmap/` that describe
|
||||
- removal of obsolete roadmap documents under `docs/roadmap/` that describe
|
||||
completed work included in the release;
|
||||
- review for unintended files, generated output, credentials, private data,
|
||||
and unrelated changes; and
|
||||
@@ -220,3 +217,22 @@ name the primary branch, authoritative remote, tag form, published
|
||||
deliverables, supported build targets, release automation responsibilities,
|
||||
and consumer verification path. It must link to this policy instead of
|
||||
restating or redefining its requirements.
|
||||
|
||||
## Policy Exceptions
|
||||
|
||||
### Temporary bootstrap deferral
|
||||
|
||||
The release procedure (`docs/release.md`) and complete release-check command are
|
||||
not yet present because ConfigKit has no Go module or implementation to validate.
|
||||
Their creation is temporarily deferred during initial development. This exception
|
||||
permits implementation work; it does not permit publishing a release without
|
||||
any gate required above.
|
||||
|
||||
Compensating controls: no release may be published until the
|
||||
[release-readiness gaps](../roadmap/release-readiness.md) are closed, the runbook
|
||||
and checker exist, and the exact candidate passes all applicable gates. The
|
||||
maintainer preparing the first release owns closure. Remove this temporary
|
||||
exception when readiness is verified. Any other exception requires a documented repository constraint, rationale,
|
||||
compensating controls, scope, and closure condition here; none is currently
|
||||
adopted. Do not silently weaken the base integrity, validation, documentation,
|
||||
verification, or immutability guarantees.
|
||||
|
||||
@@ -2,17 +2,7 @@
|
||||
|
||||
**Base Policy Version:** 1.0
|
||||
|
||||
**Last Updated**: 2026-09-06
|
||||
|
||||
## Base Policy Template
|
||||
|
||||
This document is the base template for the canonical testing policy,. Repositories that implement this policy should:
|
||||
|
||||
1. Review the policy, remove any rules that must not apply to the current project, and add any additional rules that are required by the current project;
|
||||
2. Update the `Last Updated` field to the current date; and
|
||||
3. Remove this heading (`Base Policy Template`) and the associated text.
|
||||
|
||||
Most projects will not require any revisions to the substantive testing policy rules as written below.
|
||||
**Last Updated:** 2026-09-06
|
||||
|
||||
## Purpose
|
||||
|
||||
@@ -20,6 +10,29 @@ Our tests exist to make **incorrect changes expensive and correct changes cheap*
|
||||
|
||||
We do not optimize for test count, line coverage, exhaustive isolation, or the fewest possible tests. We optimize for sufficient confidence in important behavior while imposing as little unnecessary friction as possible on future development.
|
||||
|
||||
## ConfigKit-specific priorities
|
||||
|
||||
Configuration semantics are compatibility contracts, even when Go signatures do
|
||||
not change. Apply the risk rules below especially to presence/default behavior,
|
||||
composition, provenance, and error classification. Keep detailed behavior cases
|
||||
with their owning contracts and tests rather than duplicating them in this policy.
|
||||
|
||||
Use real temporary files for import traversal, symlinks, and source identity.
|
||||
Document platform prerequisites for filesystem cases and make any unsupported
|
||||
case explicit rather than silently dropping its coverage. Use labeled in-memory
|
||||
input where filesystem behavior is irrelevant.
|
||||
|
||||
Verify agreement among final resolved values, presence, provenance, and effective
|
||||
rendering. Protect against secret disclosure on both successful inspection and
|
||||
failure paths, and against mutable defaults or results leaking across loads.
|
||||
Use focused fuzzing for parser boundaries and semantic/filesystem path handling;
|
||||
keep deterministic seed regressions in the ordinary suite. Extended fuzz runs
|
||||
need a documented bounded invocation when introduced.
|
||||
|
||||
Baseline commands belong in the [development guide](../development.md). Release
|
||||
gates belong in the [release policy](release.md) and its eventual runbook. This
|
||||
policy does not imply that those tools or tests already exist.
|
||||
|
||||
## Every test has a cost
|
||||
|
||||
Testing is not an unqualified good. Every test imposes both an immediate cost and a continuing lifetime cost.
|
||||
@@ -59,7 +72,8 @@ Use a **classical/Detroit-style** approach:
|
||||
- Prefer package-level behavioral tests over tests coupled to private helpers or internal call sequences.
|
||||
- Treat exact collaborator interactions as testable behavior only when the interaction itself is a requirement.
|
||||
|
||||
Examples of appropriate seams include clocks, randomness, subprocesses, remote APIs, object storage, email, and paid LLM calls.
|
||||
For ConfigKit, controlled input readers and filesystem failures are useful seams.
|
||||
Prefer actual parsing, composition, and decoding over mocks of their call order.
|
||||
|
||||
## Test execution requirements
|
||||
|
||||
@@ -176,13 +190,15 @@ Use a test-controlled limit and measure the behavior relative to that limit. Do
|
||||
|
||||
Each behavior should have a clear test owner.
|
||||
|
||||
- Parser tests own parsing cases.
|
||||
- Validator tests own validation rules.
|
||||
- Domain tests own transformations and invariants.
|
||||
- Adapter tests own external integration behavior.
|
||||
- Orchestrator tests own coordination and failure propagation.
|
||||
- CLI tests own argument and configuration mapping.
|
||||
- End-to-end tests prove that representative assembled workflows work.
|
||||
- YAML boundary tests own syntax and policy enforcement.
|
||||
- Composition and overlay tests own their operation semantics.
|
||||
- Decoding tests own type binding, defaults, and strictness.
|
||||
- Metadata and rendering tests own provenance queries and safe inspection.
|
||||
- Filesystem tests own source access and import identity behavior.
|
||||
- Lifecycle tests own hook ordering, failure propagation, and representative
|
||||
agreement across the assembled configuration pipeline.
|
||||
|
||||
These are responsibility boundaries, not a required package layout.
|
||||
|
||||
Higher-level tests should not repeat every lower-level case. A single intentional policy change should not require unrelated edits across many test files.
|
||||
|
||||
@@ -215,7 +231,6 @@ Use:
|
||||
|
||||
- table-driven tests for meaningful behavioral categories and boundaries;
|
||||
- `t.TempDir()` for real filesystem behavior;
|
||||
- `httptest.Server` for realistic HTTP interactions;
|
||||
- fuzz tests for parsers, normalization, path handling, and broad input spaces;
|
||||
- golden files only when the complete output is intentionally stable;
|
||||
- integration tests where correctness depends on component interaction; and
|
||||
@@ -223,7 +238,8 @@ Use:
|
||||
|
||||
Avoid exact error-string assertions unless the wording is itself contractual. Prefer `errors.Is`, `errors.As`, typed errors, or structured error fields.
|
||||
|
||||
At CLI boundaries, prefer exit classifications, structured output, and the smallest stable semantic fragment needed to identify the error. Do not snapshot complete diagnostic wording unless it is contractual.
|
||||
At the public library boundary, prefer diagnostic codes, paths, and source
|
||||
locations over complete message snapshots. Assert wording only when contractual.
|
||||
|
||||
Golden-file updates must require an explicit local flag. CI must not update golden files automatically, and reviewers must inspect the semantic diff before accepting an update.
|
||||
|
||||
@@ -235,7 +251,7 @@ Coverage is a diagnostic, not a target.
|
||||
|
||||
Use it to find untested critical branches and unexpectedly weak packages. Do not write low-value tests solely to increase a percentage, and do not infer test quality from coverage alone.
|
||||
|
||||
Pure domain logic will often warrant higher coverage than CLI wiring or external adapters. Uneven coverage is acceptable when it reflects risk.
|
||||
Dense configuration semantics will often warrant higher coverage than simple input wiring. Uneven coverage is acceptable when it reflects risk.
|
||||
|
||||
Increasing coverage is valuable only when the newly covered behavior protects a meaningful risk at an acceptable cost.
|
||||
|
||||
@@ -303,7 +319,7 @@ A test suite is sufficient when:
|
||||
- legitimate internal changes usually do not require test edits; and
|
||||
- additional tests would mostly repeat existing protection or preserve inconsequential implementation details.
|
||||
|
||||
Sufficiency is a risk judgment, not a coverage percentage or test count. Reassess it as the application, its users, and the consequences of failure evolve.
|
||||
Sufficiency is a risk judgment, not a coverage percentage or test count. Reassess it as the library, its consumers, and the consequences of failure evolve.
|
||||
|
||||
The governing rule is:
|
||||
|
||||
|
||||
784
docs/roadmap/implementation.md
Normal file
784
docs/roadmap/implementation.md
Normal file
@@ -0,0 +1,784 @@
|
||||
# ConfigKit Initial Implementation Plan
|
||||
|
||||
## Status and ownership
|
||||
|
||||
Status: ready for implementation; all stages are pending.
|
||||
|
||||
Audience: a `gpt-5.6-terra` coding agent implementing one stage per prompt, in
|
||||
ascending order. Each stage depends on every earlier stage being complete.
|
||||
Do not combine stages merely because they share files. Finish the requested
|
||||
stage's acceptance checks and handoff before moving to the next requested stage.
|
||||
|
||||
The [feature roadmap](initial.md) owns the desired end-state and consumer intent.
|
||||
This document owns execution decisions, tasks, acceptance gates, and progress.
|
||||
Read [development](../development.md), all four policies
|
||||
([architecture](../policy/architecture.md), [documentation](../policy/documentation.md),
|
||||
[testing](../policy/testing.md), [release](../policy/release.md)), and the relevant
|
||||
[ADRs](../development.md#task-specific-reading-guide) before implementation.
|
||||
Both [success criteria](../policy/architecture.md#success-criteria) apply to every
|
||||
stage. This plan does not authorize feature expansion or downstream application
|
||||
releases.
|
||||
|
||||
## Execution rules and stage handoff
|
||||
|
||||
1. Inspect the actual worktree, prior stage evidence, relevant source, and tests.
|
||||
Preserve unrelated work. This repository initially has documentation only.
|
||||
2. Read the linked feature sections for the requested stage. Follow links to
|
||||
current contracts if earlier work has moved a definition out of the roadmap.
|
||||
3. Extract applicable Narratio code and cases before writing equivalent new
|
||||
mechanisms. Record source revision, symbols, adaptations, and retained notices.
|
||||
Do not import sibling applications or their internal packages into this module.
|
||||
4. Implement only the stage boundary. Partial internals may be tested directly;
|
||||
do not export placeholder APIs, silently ignore unsupported options, or claim
|
||||
that later features work. Introduce public operations only when their stated
|
||||
supported boundary is functional. No release occurs between these stages.
|
||||
5. Run focused checks while iterating, then the stage baseline. Add durable tests
|
||||
at the owning boundary; do not replicate every case through `Load`.
|
||||
6. Update Go reference comments, implemented configuration contracts, component
|
||||
inventory, and examples in the same change as behavior. Move implemented
|
||||
normative text from the feature roadmap to its current owner, leaving links.
|
||||
Keep this plan's tasks and completion evidence here, not in the feature roadmap.
|
||||
7. Set the stage's status to complete only after its acceptance gates pass. Append
|
||||
a short evidence entry under that stage: files/contract links, extraction
|
||||
references, checks and outcomes, deviations, and remaining later-stage work.
|
||||
Do not treat compilation against stubs as runtime acceptance.
|
||||
|
||||
Baseline after Stage 1: `go test ./...`, `go vet ./...`, `go build ./...`, and
|
||||
`git diff --check`, plus inspection of new files, documentation links/fragments,
|
||||
and formatting. These are future implementation commands; Stage 1 establishes
|
||||
them in the developer guide. Tests must run without network access or credentials
|
||||
after explicit dependency acquisition. Do not put network calls in default tests.
|
||||
|
||||
For a failed gate, fix the implementation or explicitly resolve a contract issue;
|
||||
do not change expectations solely to get a pass. Record external tool/platform
|
||||
limitations accurately. Do not mark a required check passed if it was skipped.
|
||||
|
||||
## Implementation decisions
|
||||
|
||||
These decisions close choices left illustrative in the feature roadmap. They
|
||||
are instructions for implementation, not additional configuration conventions.
|
||||
Promote their externally observable parts into current contracts when implemented.
|
||||
|
||||
| Area | Decision and reason |
|
||||
| --- | --- |
|
||||
| Module and package | Module `gitea.maximumdirect.net/eric/ConfigKit`, matching the existing origin's case; root package `configkit`. No `cmd` application. |
|
||||
| Go baseline | `go 1.25.0`; use a currently supported patched toolchain at or above that minimum for development, and verify minimum-version compatibility separately. The existing Narratio/Seriatim baselines and local 1.25.5 toolchain support this language baseline. No toolchain directive forcing a newer consumer toolchain. |
|
||||
| Parser | Pin `go.yaml.in/yaml/v3 v3.0.5` initially, inside `internal/yaml`. It preserves the v3 node-oriented extraction seam while using the YAML organization's maintained module. Do not inherit its scalar coercions. The [upstream v3 reference](https://pkg.go.dev/go.yaml.in/yaml/v3@v3.0.5) documents this version and provenance. |
|
||||
| Internal representation | A ConfigKit-owned tree in `internal/document`: ordered mapping entries, sequences, typed scalar kind plus original numeric spelling, null, key/value locations, and source ID. It imports neither the public package nor the YAML parser. The YAML adapter translates into it. |
|
||||
| Dependency direction | Public package coordinates document operations and reflection binding. Private parser imports `internal/document`; document code never imports parser or public package. Keep composition, binding, provenance, hooks, and rendering coordination in root-package private files until a demonstrated boundary needs another package. |
|
||||
| Public spelling | Implement the feature roadmap's `Load`, `Definition`, `Options`, sources, path builders, metadata queries, hook helpers, version rule, result methods, and diagnostic methods as written. No functional-options framework or separate builder. |
|
||||
| Input limits | Fixed initial ceilings: 8 MiB per source, 64 MiB total loaded bytes, depth 256 for input/projected trees, 64 active import edges, and 1,024 accepted sources. Allow at most 1,000,000 input nodes in aggregate and 1,000,000 nodes in each composed/projected tree; copying a snapshot does not consume the input budget again. Bound glob directory-entry visits separately at 1,000,000 per load. Include the selected profile in source/byte counts. Root depth is zero. No public limit-tuning options initially. Test limit mechanisms with smaller private test parameters. |
|
||||
| Filesystem support | Initial supported targets: Linux and macOS on amd64/arm64. Test real symlink semantics on those systems. No Windows path-compatibility promise in this release. Inputs use slash-separated relative import syntax and native paths for selected file/root/base options. |
|
||||
| Schema implementation | Build one reflection descriptor graph per load, reuse it throughout that load, and avoid global mutable caches initially. Recursive type definitions are permitted when actual values are acyclic. |
|
||||
| Working configuration | Clone the defaults factory's result before applying input. Decode explicitly present nodes into that detached baseline according to schema descriptors; never round-trip defaults through YAML. Snapshot final values independently. |
|
||||
| Error boundary | Safe library diagnostics with phase-specific codes; no raw parser/custom-hook error string or raw-value wrapper chain. `LoadError` supports `errors.As`; there is no initial `Unwrap` promise. I/O classifications are exposed as diagnostic codes. |
|
||||
| Consumer integration scope | Build copied, sanitized consumer-shaped models/fixtures and executable examples in ConfigKit. Actual changes to Narratio, Notarius, WeatherReporter, and Seriatim are separate consumer migration tasks. Do not claim those apps are migrated when these local examples pass. |
|
||||
| Publication scope | Prepare library source and a release runbook/checker. Do not tag, push, publish, or invent a completed release during these stages. Release-candidate validation/publication follows the adopted release procedure as a separate maintainer action. |
|
||||
|
||||
The parser dependency choice is based on its own published documentation, not a
|
||||
promise that v3.0.5 will always be the newest patch. A later verified dependency
|
||||
fix can change the pin with focused YAML regression checks and normal review.
|
||||
Do not silently switch parser families or use `@latest` during implementation.
|
||||
|
||||
### Metadata and diagnostics layout
|
||||
|
||||
Use opaque `Path`, `Source`, `Metadata`, `Resolution`, and `Validation` state.
|
||||
Expose detached value records for inspection, with these initial fields:
|
||||
|
||||
| Type | Fields |
|
||||
| --- | --- |
|
||||
| `Location` | `SourceID string`, `Line int`, `Column int`; zero coordinates mean unavailable/synthetic |
|
||||
| `SourceInfo` | `ID string`, `Label string`, `Path string` (canonical local path or empty), `Layer Layer`, `ImportedFrom *Location` |
|
||||
| `Diagnostic` | `Code Code`, `Severity Severity`, `Path Path`, `Message string`, `Primary *Location`, `Related []Location`; absent primary means no known source |
|
||||
| `Origin` | `Layer Layer`, `Locations []Location`, `Operation ChangeKind`; multiple locations represent a composite origin |
|
||||
| `FieldInfo` | `Explicit bool`, `Null bool`, `Origin Origin` |
|
||||
| `Change` | `Path Path`, `Origin Origin`, `Previous []Origin`, `Reasons []string`, `Dependencies []Path`; no public historical values |
|
||||
|
||||
`Layer` is a string enum: `default`, `base`, `profile`, `resolution`. A Go zero
|
||||
baseline uses layer `default` without claiming an application deliberately chose
|
||||
every zero value. `ChangeKind` has the empty value for input/default origins,
|
||||
`derived_default`, and `normalization`. `Severity` is `error` or `warning`.
|
||||
Define exported constants with the type prefix (for example `LayerBase`,
|
||||
`ChangeDerivedDefault`, `SeverityError`).
|
||||
|
||||
Use stable string codes grouped by `options.*`, `source.*`, `yaml.*`, `schema.*`,
|
||||
`decode.*`, `compose.*`, `import.*`, `profile.*`, `version.*`, `resolve.*`, and
|
||||
`validate.*`. Include distinct missing/permission/read, duplicate, invalid-path,
|
||||
limit-exceeded, hook-failed, and unrecorded-change classifications where relevant.
|
||||
Application reports use their phase's `error`/`warning` code, not arbitrary code
|
||||
registration. Define exact exported code constants with their owning feature;
|
||||
private helpers do not need new public codes for every branch.
|
||||
|
||||
Sources get deterministic per-load IDs `source-1`, `source-2`, and so on in
|
||||
traversal order. The selected profile is last. `NoSource` creates no source ID.
|
||||
Public query slices and nested slices/pointers are detached. Default fmt/error
|
||||
rendering must not reveal hidden value histories.
|
||||
|
||||
### Clarifications required for a coherent implementation
|
||||
|
||||
- `ParsePath` retains textual numeric tokens until traversal knows the container;
|
||||
`Keys("0")` is a mapping key and `Index(0)` is a sequence index. Reject invalid
|
||||
escapes and negative indices. The zero `Path` is the root. Empty mapping keys
|
||||
remain representable. Resolve parsed numeric indices without leading zeros;
|
||||
the same text may address a literal mapping key when traversing a mapping.
|
||||
- Path queries on missing fields return the feature-defined empty result. Hook
|
||||
diagnostics permit schema-valid missing fields/map entries; malformed paths or
|
||||
unknown struct fields produce a hook diagnostic. Version hooks use the untyped
|
||||
composed tree and nearest known container because decoding has not run yet.
|
||||
- Defaults apply to the surviving composed/profile input; intermediate overridden
|
||||
nodes do not create reset markers. An effective null suppresses defaults at
|
||||
its path. Missing children of an effective mapping can retain defaults.
|
||||
- Applying nonempty input to a nil pointer-to-struct creates the object and uses
|
||||
zero values for omitted children. No per-entry defaults are invented. Applying
|
||||
a sequence allocates a replacement; it never overlays default indices.
|
||||
- Support paired text marshal/unmarshal scalar methods on value or pointer method
|
||||
sets, with exact `time.Duration` handled first. Treat such scalars atomically.
|
||||
Their canonical text supplies projection and detached reconstruction. Never
|
||||
call YAML-specific marshal/unmarshal hooks; an otherwise ordinary struct with
|
||||
such a method is bound structurally under ConfigKit's rules.
|
||||
- Ignore ordinary unexported and `yaml:"-"` fields; zero them in detached ordinary
|
||||
struct results rather than preserve hidden mutable aliases. Paired text scalars
|
||||
are the exception: their declared scalar codec owns their internal state.
|
||||
Reject unsupported schema kinds and unsupported `yaml` tag options rather than
|
||||
silently reinterpret them. Support `inline` and ignore `omitempty`; defer `flow`.
|
||||
- Repeated helper writes to one path compare only the last helper-assigned value
|
||||
with the final projected value. Coalesce reasons/dependencies. For mixed
|
||||
operations, a path record is normalization if any record normalized it; otherwise
|
||||
it is a derived default. Record coverage of a container includes descendants.
|
||||
- Query explicitness against surviving input contributions. A normalization of an
|
||||
existing path preserves its input explicitness. A newly created path is not
|
||||
explicit just because the resolver copied another explicit field; dependencies
|
||||
carry its explanation. Deletions remain historical, not effective entries.
|
||||
- Validator mutation is a programming error detected by before/after projection;
|
||||
return `validate.mutation` and no result. Do not recover user callback panics.
|
||||
Retained contexts are invalid after the hook. Calls on a closed context panic
|
||||
with a fixed, value-free programming-error message and cannot mutate a published
|
||||
result; this is callback misuse, not a late load diagnostic.
|
||||
- The initial implementation assumes stable, application-controlled local input
|
||||
trees during a load. Resolve symlinks and enforce containment, but do not claim
|
||||
atomic multi-file snapshots or protection against concurrent hostile filesystem
|
||||
replacement. Reject directories and non-regular file targets; arbitrary streams
|
||||
are accepted only through the explicit reader API.
|
||||
|
||||
## Stage 1 — Establish the module and extraction baseline
|
||||
|
||||
Status: pending.
|
||||
|
||||
Read: feature [foundation](initial.md#existing-implementation-foundation),
|
||||
[consumer fit](initial.md#consumer-fit-and-intentional-migrations), all policies.
|
||||
|
||||
Tasks:
|
||||
|
||||
1. Create the module and root package documentation with the decisions above.
|
||||
Keep the existing repository license. Add no application command, runtime
|
||||
dependencies, framework, or placeholder exported loader.
|
||||
2. Reinspect Narratio's referenced revision and current worktree. Create
|
||||
`docs/internal/extraction.md` recording source revisions/symbols and the exact
|
||||
loading/presence/default/diagnostic cases to extract. Include applicable notices
|
||||
with copied material. Copy only minimal sanitized fixtures needed by subsequent
|
||||
stages; no audio, transcripts, secrets, or entire application package trees.
|
||||
3. Document the planned parser pin here; add its module requirement only when the
|
||||
real adapter imports it in Stage 3 so tidy does not leave unused dependencies.
|
||||
4. Update the developer guide to runnable Go baseline commands and prerequisites.
|
||||
Correct its stale claim that this plan is deferred. Update documentation-policy
|
||||
navigation to this now-existing plan without changing ownership rules. Record
|
||||
the implemented root package in the overview and retain pre-feature status.
|
||||
|
||||
Acceptance:
|
||||
|
||||
- Module path/case agrees with origin, root package builds, and baseline passes.
|
||||
- Extraction notes distinguish copied/generalized code from new work and domain
|
||||
logic retained in consumers. No sibling checkout is required to build/test.
|
||||
- No misleading usable-loader example or unrelated files enter the module.
|
||||
|
||||
## Stage 2 — Implement semantic paths and safe diagnostic records
|
||||
|
||||
Status: pending.
|
||||
|
||||
Read: feature [paths](initial.md#paths-and-presence),
|
||||
[diagnostics](initial.md#provenance-diagnostics-and-redaction), public metadata API.
|
||||
|
||||
Tasks:
|
||||
|
||||
1. Implement `Path`, builders, parsing/stringification, private traversal helpers,
|
||||
and the metadata/diagnostic value types specified above. Keep records detached.
|
||||
2. Implement diagnostic accumulation, canonical ordering, safe `LoadError`,
|
||||
`WriteDiagnostics`, and error-code constants needed so far. Source-less errors
|
||||
sort before source errors; then source order, line/column, path, code, severity,
|
||||
and safe message break ties. Canonicalize related locations deterministically.
|
||||
3. Render control characters in labels/messages/paths as escaped text so source
|
||||
labels cannot corrupt terminal output. Never include values or parser errors.
|
||||
4. Document the implemented path and diagnostic API next to declarations.
|
||||
|
||||
Acceptance:
|
||||
|
||||
- Round-trip escaped slash/tilde/empty/dotted/numeric keys and indexed paths;
|
||||
distinguish a malformed path from a valid missing path.
|
||||
- `errors.As` finds `LoadError`; mutation of returned nested records cannot alter
|
||||
later results. Safe writer failures propagate, including partial output.
|
||||
- Reordered independent diagnostic submissions render identically; no blanket
|
||||
golden snapshot of unstable prose is required. Baseline passes.
|
||||
|
||||
## Stage 3 — Extract source reading and enforce YAML policy
|
||||
|
||||
Status: pending.
|
||||
|
||||
Read: feature [YAML policy](initial.md#yaml-and-scalar-policy),
|
||||
[source constructors](initial.md#entry-point-and-reusable-application-definition).
|
||||
|
||||
Tasks:
|
||||
|
||||
1. Adapt Narratio's file/reader loading helpers into the opaque source constructors
|
||||
and bounded private reader. Add `NoSource`, byte snapshotting, source labels,
|
||||
regular-file checks, deterministic I/O classification, and reader single-use
|
||||
state shared by source copies. File loads reopen each time; readers are not closed.
|
||||
2. Add the pinned YAML adapter and ConfigKit-owned document tree. Decode into parser
|
||||
nodes only; translate key/value locations and scalar spelling before discarding
|
||||
parser-specific nodes. Do not use parser typed decode for application structs.
|
||||
3. Enforce exactly one mapping document, duplicate keys, tag/alias/anchor/merge-key
|
||||
rejection, and ConfigKit's own scalar grammar. A second successful decode is
|
||||
an error, including an empty document; do not preserve Narratio's trailing-doc bug.
|
||||
4. Enforce byte ceilings before parsing and tree depth/node ceilings during adapter
|
||||
translation. The parser can reject stricter malformed/nesting inputs first, but
|
||||
none may panic or expose input text. Add private small-limit injection for tests.
|
||||
5. Create `docs/config.md` for implemented syntax/input behavior and link from
|
||||
package documentation. Move the implemented definitions out of the feature
|
||||
roadmap, preserving navigation for this plan.
|
||||
|
||||
Acceptance:
|
||||
|
||||
- Real file and reader tests cover missing/permission/read failures, non-regular
|
||||
targets, byte snapshots, second reader use, and no caller-reader close.
|
||||
- Policy tables cover duplicate keys, all forbidden YAML constructs, null spellings,
|
||||
quoted literals, JSON numeric syntax, legacy booleans/numbers, timestamp-like
|
||||
strings, multiple/empty documents, and root type. Numeric nodes never round via float.
|
||||
- Small-limit boundary tests and malformed input tests return safe diagnostics with
|
||||
available coordinates. This stage does not promise a typed public `Load` yet.
|
||||
|
||||
## Stage 4 — Build the reusable schema binding graph
|
||||
|
||||
Status: pending.
|
||||
|
||||
Read: feature [typed decoding](initial.md#typed-decoding) and
|
||||
[type/projection contract](initial.md#supported-types-and-projection).
|
||||
|
||||
Tasks:
|
||||
|
||||
1. Implement reflection descriptors for supported root structs/maps, scalar kinds,
|
||||
pointers, nested structs, string-keyed maps, slices, fixed arrays, and `any`.
|
||||
2. Bind exported field names, tags, inline structs/pointers and the optional inline
|
||||
map. Detect ambiguous names, multiple inline maps, unsupported tag options,
|
||||
conflicting defaults-map names (checked against runtime defaults in Stage 6),
|
||||
unsupported kinds, and missing paired text codecs. Identify secret-tag paths.
|
||||
3. Support recursive descriptors without infinite construction; actual value cycles
|
||||
are checked by projection. Use descriptors for schema-aware path validation.
|
||||
4. Keep reflection traversal private. Do not expose generic subtree conversion,
|
||||
module registries, YAML hooks, or interfaces for arbitrary decoders.
|
||||
|
||||
Acceptance:
|
||||
|
||||
- Focused tests cover nested/inline conflicts, ignored/private fields, maps of
|
||||
structs, named scalar types, pointer method sets, root rejection, recursive
|
||||
acyclic models, and unsupported kinds. Descriptor building has no side effects.
|
||||
- No application parser-specific hook executes. Baseline passes.
|
||||
|
||||
## Stage 5 — Implement canonical projection and detached copies
|
||||
|
||||
Status: pending.
|
||||
|
||||
Read: feature [ownership](initial.md#recorded-resolution-and-validation) and
|
||||
[type/projection contract](initial.md#supported-types-and-projection).
|
||||
|
||||
Tasks:
|
||||
|
||||
1. Use Stage 4 descriptors to project ordinary typed values into a ConfigKit tree
|
||||
without YAML serialization. Include zero values and preserve nil/empty distinctions.
|
||||
2. Clone ordinary configuration into independently owned values. Reconstruct paired
|
||||
text scalars through canonical text into fresh instances; preserve type identity
|
||||
and supported dynamic concrete values without retaining mutable input aliases.
|
||||
3. Detect cyclic values, non-finite floats, invalid dynamic types, projection limit
|
||||
violations, and custom codec errors safely. Do not reveal the codec error text.
|
||||
4. Add structural comparison used later by resolution audit and validator-mutation
|
||||
detection. Track paths of changed values, container replacements, and removals;
|
||||
do not create an index-wise correspondence between replaced sequences.
|
||||
|
||||
Acceptance:
|
||||
|
||||
- Mutating input/default maps, pointers, slices, or paired text-scalar backing data
|
||||
cannot change a clone or snapshot. Ignored fields do not preserve hidden aliases.
|
||||
- Nil versus empty, exact wide integers, durations, canonical scalar text, recursive
|
||||
acyclic objects, cycles, unsupported dynamic values, and codec failures are covered.
|
||||
- Comparison reports meaningful paths and container changes; baseline passes.
|
||||
|
||||
## Stage 6 — Decode scalar and container values over defaults
|
||||
|
||||
Status: pending.
|
||||
|
||||
Read: feature [defaults/null](initial.md#static-defaults-and-null) and typed decoding.
|
||||
|
||||
Tasks:
|
||||
|
||||
1. Implement schema-driven typed decoding into a Stage 5 clone of the fresh default
|
||||
baseline. Allocate replacements for sequences and recurse mappings by the feature
|
||||
contract; do not let parser behavior determine merging or optionality.
|
||||
2. Enforce numeric syntax/range and nullability. Support dynamic `int64`/`float64`,
|
||||
finite floats, exact-duration string parsing, named scalar types, paired text
|
||||
codecs, arrays with exact length, and strict nested map-of-struct decoding.
|
||||
3. Reject unknown fields, tag binding conflicts, and invalid defaults consistently.
|
||||
Collect independent decode errors while leaving the failed working object private.
|
||||
4. Return a private decoded configuration plus its surviving input presence index,
|
||||
projected baseline/final trees, and per-path default/input origins for Stage 7.
|
||||
Defaults never become explicit; equal-valued input remains explicit.
|
||||
|
||||
Acceptance:
|
||||
|
||||
- A compact table proves absent/false/zero/empty/null behavior, default map entries,
|
||||
`{}`, `[]`, pointer objects, new entries, dynamic null, and non-nil default isolation.
|
||||
- Overflow, non-finite values, quoted-number coercions, integer durations, inline
|
||||
conflicts, and unknown nested fields fail at original input paths/coordinates.
|
||||
- Adapt Narratio's presence/default test cases with intentional differences noted.
|
||||
Repeated loads do not alias each other. Baseline passes.
|
||||
|
||||
## Stage 7 — Assemble single-source loading and schema-version checks
|
||||
|
||||
Status: pending.
|
||||
|
||||
Read: feature [lifecycle](initial.md#resolution-lifecycle),
|
||||
[version hook](initial.md#schema-checking-and-secret-classification),
|
||||
[results](initial.md#results-errors-and-inspection).
|
||||
|
||||
Tasks:
|
||||
|
||||
1. Introduce `Definition`, `Options`, `Load`, and `Result` at the single-source
|
||||
boundary. Wire source/options checks, parsing, version checking, fresh defaults,
|
||||
decode, and detached result. Accept zero or one options argument.
|
||||
2. Implement `VersionRule`, `Version`, and the pre-decode `Validation` report context,
|
||||
including safe error/warning messages, related input paths, absent version from
|
||||
`NoSource`, and generic fallback only when no explicit error was reported.
|
||||
3. Implement base/default `Metadata.Lookup`, `IsExplicit`, `History`, source listing,
|
||||
and warning/error lists. Keep snapshot internals private. No effective writer
|
||||
is exposed before its redaction implementation in Stage 15.
|
||||
4. Reject `_configkit` when imports are disabled. Until their later stages land,
|
||||
reject non-nil resolver/validator hooks and import/active-profile options with
|
||||
an explicit unreleased-feature options error rather than ignore them. Document
|
||||
only the supported single-source boundary. Remove each gate in its owning stage.
|
||||
5. Ensure `NoSource` performs version/default/decode/projection processing with no
|
||||
source records and rejects filesystem/import/active-profile settings.
|
||||
|
||||
Acceptance:
|
||||
|
||||
- Actual `Load` integration tests cover File/Bytes/Reader/NoSource and nil result on
|
||||
source, schema, version, or decode failure. Defaults factory runs only after a
|
||||
successful version check and once per valid load.
|
||||
- String version, missing/null policy, integer rejection, warnings, actionable
|
||||
safe reports, raw error suppression, and invalid options are exercised.
|
||||
- Metadata reflects input versus defaults and detached ownership. Baseline passes.
|
||||
|
||||
## Stage 8 — Implement recorded application resolution
|
||||
|
||||
Status: pending.
|
||||
|
||||
Read: feature [resolution callbacks](initial.md#resolution-and-validation-callbacks).
|
||||
|
||||
Tasks:
|
||||
|
||||
1. Add per-load `Resolution`, `Default`, `Normalize`, `Record`, `Error`, and `Warning`.
|
||||
Hook context queries refer to surviving input, not guesses from typed zero values.
|
||||
2. Run the resolver after decoding; capture before/final projection, detect net
|
||||
changes, and require record coverage. Support map-entry copy/writeback helpers,
|
||||
container records, deletions, dependencies, repeated writes, and equal-valued
|
||||
derived-default intent using the clarification rules above.
|
||||
3. Verify final helper values against declared paths. Reject invalid paths, invalid
|
||||
kinds, invalid projected values, missing records, or use after context closure.
|
||||
Store reasons/dependencies without raw public history values.
|
||||
4. Attach phase diagnostics and stop on reported errors even with nil return. A
|
||||
non-nil return adds generic safe failure only if no error was already reported.
|
||||
Leave callback panics as programming failures. Remove the resolver options gate.
|
||||
|
||||
Acceptance:
|
||||
|
||||
- Execute the feature's timeout and dynamic artifact examples against real code.
|
||||
- Test explicit-null/zero preservation, baseline replacement for absent input,
|
||||
normalization of explicit input, map writeback, unrelated pointer/path mismatch,
|
||||
unrecorded mutation, equal-value intent, repeated helper writes, and subtree removal.
|
||||
- Mutating result configuration cannot change resolution snapshots/history. No
|
||||
hooks or errors expose secrets. Independent map traversal yields stable records.
|
||||
|
||||
## Stage 9 — Add semantic validation and finish the single-source lifecycle
|
||||
|
||||
Status: pending.
|
||||
|
||||
Read: feature [diagnostic callbacks](initial.md#resolution-and-validation-callbacks)
|
||||
and [schema reports](initial.md#schema-checking-and-secret-classification).
|
||||
|
||||
Tasks:
|
||||
|
||||
1. Reuse `Validation` for post-resolution schema-aware application reports. Validate
|
||||
primary and related paths, supply nearest source locations for omitted values,
|
||||
and collect multiple independent errors/warnings.
|
||||
2. Detect validator mutation through projection and fail without publishing a
|
||||
result. Close contexts after callbacks and remove the validator options gate.
|
||||
3. Finalize all single-source metadata after resolution/validation success. Ensure
|
||||
failure carries only safe diagnostics and sources, not a partially usable config.
|
||||
4. Add executable examples for minimal/defaults-only loading, related-path duplicate
|
||||
errors, version guidance, and resolution followed by validation. Document actual
|
||||
hook lifecycle and private-field/runtime-state boundaries.
|
||||
|
||||
Acceptance:
|
||||
|
||||
- Hook-order tests prove later phases never run after prior errors; warnings continue.
|
||||
- Test missing fields, dynamic keys, related locations, validator mutation, and safe
|
||||
hook failure fallback. Compile and run representative examples, not API stubs.
|
||||
- Compare value, explicitness, origin, and history after a complete single-source load.
|
||||
Baseline passes. Imported/profile loading is still deliberately unavailable.
|
||||
|
||||
## Stage 10 — Implement strict document composition
|
||||
|
||||
Status: pending.
|
||||
|
||||
Read: feature [composition table](initial.md#composition-and-overlay).
|
||||
|
||||
Tasks:
|
||||
|
||||
1. Implement a private strict composer over ConfigKit document trees. Recurse only
|
||||
mapping pairs; treat any other present overlap as a collision, including equal
|
||||
values, null, and sequences. Empty mappings contribute no children.
|
||||
2. Retain both locations for collisions and aggregate composite container origins.
|
||||
Preserve input order only for traversal/diagnostics, never implicit precedence.
|
||||
3. Build provenance updates alongside composition; no subsequent pass may invent
|
||||
an arbitrary single source for a multi-source mapping. Avoid mutating input trees.
|
||||
4. Keep the composer private and test it through the smallest stable private
|
||||
boundary; public file graph wiring belongs to subsequent stages.
|
||||
|
||||
Acceptance:
|
||||
|
||||
- Exercise each operation-table category plus ancestor/scalar conflicts, empty maps,
|
||||
sequence collisions, equal-value duplicates, and disjoint named entries.
|
||||
- Duplicate diagnostics identify both exact source locations; retained inputs and
|
||||
origins survive without aliasing. No default layer participates in strict collision.
|
||||
|
||||
## Stage 11 — Implement explicit file-import traversal
|
||||
|
||||
Status: pending.
|
||||
|
||||
Read: feature [import graph](initial.md#explicit-imports-and-source-identity).
|
||||
|
||||
Tasks:
|
||||
|
||||
1. Parse the reserved root directive and `path` declarations strictly; preserve
|
||||
import-site locations and strip directives before application decode. Recognize
|
||||
`glob` declarations but retain an explicit temporary unsupported gate until Stage 12.
|
||||
2. Resolve paths from their declaring source, canonicalize symlinks, enforce root
|
||||
containment, and perform deterministic depth-first traversal. Keep active-stack
|
||||
and visited indexes distinct. Track both routes for cycles and repeated imports.
|
||||
3. Read accepted sources once; enforce count/depth/aggregate budgets. Optional paths
|
||||
suppress only target nonexistence. Invalid directives, directories, unreadable
|
||||
files, canonicalization failures, and out-of-root targets remain errors.
|
||||
4. Reject schema-version contributions from fragments before composition, even when
|
||||
no main-file version exists. Ensure ancestor replacements of a nested version
|
||||
path cannot smuggle a fragment version past the placement rule.
|
||||
5. Wire composition and version checking into `Load`, removing the import gate for
|
||||
supported path declarations. Document the temporarily limited import boundary.
|
||||
|
||||
Acceptance:
|
||||
|
||||
- Temporary-directory fixtures cover nested relative paths, list-order traversal,
|
||||
symlink aliases, full-cycle routes, diamond repeats, optional versus required
|
||||
missing files, out-of-root traversal, regular-file checks, and budget boundaries.
|
||||
- Version placement and duplicate value diagnostics retain their owning sources.
|
||||
- Bytes/reader imports require explicit base/root; URI labels never imply a path.
|
||||
|
||||
## Stage 12 — Complete glob imports and filesystem option handling
|
||||
|
||||
Status: pending.
|
||||
|
||||
Read: feature import syntax and source-context API.
|
||||
|
||||
Tasks:
|
||||
|
||||
1. Implement segment glob matching with sorted slash-relative results and no `**`.
|
||||
Use an error-reporting directory walker: do not use a convenience glob API that
|
||||
silently swallows permission/I/O errors. Reuse Stage 11 identity and traversal.
|
||||
2. Reject invalid patterns before walking; canonicalize and contain visited
|
||||
directories/targets, including symlinked directories. Optional zero matches
|
||||
must not conceal a walk or permission failure. Bound accepted candidates before
|
||||
accumulating unbounded source work; charge directory-entry visits to their
|
||||
separate traversal budget, including entries that do not match the pattern.
|
||||
3. Validate all filesystem context combinations, profile-name-independent root setup,
|
||||
absolute import/URL rejection, and selected-file versus imported-file identity.
|
||||
`default` means no active profile for `NoSource` checks.
|
||||
4. Remove the glob gate. Exercise explicitly declared `conf.d/*.yml` without adding
|
||||
any implicit directory scan or extension fallback.
|
||||
|
||||
Acceptance:
|
||||
|
||||
- Fixtures cover lexical order, multiple declarations, overlapping matches, matches
|
||||
that are directories, hard links as separate paths, symlink escapes, unmatched
|
||||
optional/required patterns, invalid patterns, and visible permission failures.
|
||||
- Repeated runs produce identical source IDs, composition, and diagnostic ordering.
|
||||
Full import contract and baseline pass.
|
||||
|
||||
## Stage 13 — Implement profile overlays and wire final precedence
|
||||
|
||||
Status: pending.
|
||||
|
||||
Read: feature [profiles](initial.md#profiles), composition/overlay table.
|
||||
|
||||
Tasks:
|
||||
|
||||
1. Implement private recursive overlay with atomic scalar/sequence/null and
|
||||
cross-kind replacement. Record overridden definitions as the operation occurs.
|
||||
2. Resolve exactly one constrained profile name to its fixed `.yml` path under the
|
||||
root, with canonical containment. Empty/lowercase `default` means no profile;
|
||||
selected missing profiles fail. No path inputs, inheritance, or extension fallback.
|
||||
3. Reject profile directives and schema-version contributions before overlay.
|
||||
Also reject an ancestor scalar/null replacement that would remove a declared
|
||||
nested schema-version value; an unchanged nested version supplied by a profile
|
||||
is still forbidden.
|
||||
4. Apply profile after base graph composition/version checking and before defaults
|
||||
and decoding. Remove the last optional-feature gate from `Load`.
|
||||
|
||||
Acceptance:
|
||||
|
||||
- Profile scalar, mapping sibling, full sequence, empty sequence, null, and cross-kind
|
||||
replacement cases obey the operation table. Defaults remain lower precedence.
|
||||
- Removed descendants disappear from effective presence/origin, remain explainable
|
||||
through history, and cannot inherit stale sequence indices.
|
||||
- Base YAML policy errors are not masked by profiles; effective-tree schema checks
|
||||
and all profile graph/version restrictions pass. Baseline passes.
|
||||
|
||||
## Stage 14 — Verify layered provenance and final snapshot agreement
|
||||
|
||||
Status: pending.
|
||||
|
||||
Read: feature [presence](initial.md#paths-and-presence),
|
||||
[history](initial.md#provenance-diagnostics-and-redaction), metadata API.
|
||||
|
||||
Tasks:
|
||||
|
||||
1. Integrate default, base, profile, and resolution records into a coherent query
|
||||
index; reuse prior-stage provenance rather than reconstructing sources from values.
|
||||
2. Finalize histories for replaced containers, empty mappings, deleted paths, and
|
||||
whole-sequence changes. Retain history lookups for removed paths without claiming
|
||||
those paths exist in the effective snapshot. Canonicalize reasons/dependencies.
|
||||
3. Test composition/profile/resolution interaction through one representative public
|
||||
workflow and fill only uncovered cross-layer cases. Keep operation-table coverage
|
||||
in its owning tests instead of duplicating it all through `Load`.
|
||||
4. Update metadata reference docs with concrete composite and synthetic origin cases.
|
||||
|
||||
Acceptance:
|
||||
|
||||
- A configured value equal to its default remains explicit; derived values do not.
|
||||
- Final typed projection, lookup/null state, effective origins, source order, and
|
||||
histories agree after parent and sequence replacement plus resolution.
|
||||
- All returned metadata/source/diagnostic nested values are detached, and successive
|
||||
or concurrent independent loads cannot contaminate one another. Baseline passes.
|
||||
|
||||
## Stage 15 — Implement secret classification and effective rendering
|
||||
|
||||
Status: pending.
|
||||
|
||||
Read: feature [redaction](initial.md#provenance-diagnostics-and-redaction),
|
||||
[secret predicate](initial.md#schema-checking-and-secret-classification), result API.
|
||||
|
||||
Tasks:
|
||||
|
||||
1. Combine descriptor secret tags with the application path predicate over current
|
||||
and historical paths. A secret container marks descendants. Apply dependency
|
||||
propagation to a fixed point so callback/map submission order is irrelevant;
|
||||
cycles in dependency annotations terminate and propagate sensitivity conservatively.
|
||||
2. Ensure replaced/deleted secret definitions remain classified. The predicate can
|
||||
add sensitivity, never remove tagged/historical sensitivity. Do not expose raw
|
||||
retained values through debug formatting, diagnostic wrappers, or public records.
|
||||
3. Add `Result.WriteEffective` over the frozen canonical snapshot. Sort mapping keys
|
||||
by decoded string, preserve sequence order, use two-space indentation and a final
|
||||
newline, and substitute the quoted string `[REDACTED]` at secret roots. Preserve
|
||||
supported nil/empty distinctions. No unredacted option or implicit logging.
|
||||
4. Marshal only an adapter tree made from the safe projection; never call application
|
||||
YAML marshal hooks. Finish all text-codec projection work before returning a
|
||||
successful load. Writer errors may leave partial redacted output.
|
||||
|
||||
Acceptance:
|
||||
|
||||
- Canary secrets stay absent from ConfigKit-rendered errors, warnings, metadata,
|
||||
effective YAML, and histories across parse/decode/hook failures and overwritten
|
||||
definitions. Check ordinary and Go-syntax formatting of metadata/error wrappers
|
||||
so private histories cannot leak. Typed `Result.Config`, including application
|
||||
formatting of it, is the explicit trusted boundary.
|
||||
- Test secret containers, dynamic paths, dependencies, cycles, custom scalar values,
|
||||
snapshot mutation isolation, and writer failures. Document safe application message
|
||||
responsibility and that redacted output is not promised reloadable.
|
||||
- Render actual resolved values including defaults/normalization; baseline passes.
|
||||
|
||||
## Stage 16 — Prove consumer ergonomics and migration contracts
|
||||
|
||||
Status: pending.
|
||||
|
||||
Read: feature consumer-fit table, module options, external values, and both criteria.
|
||||
|
||||
Tasks:
|
||||
|
||||
1. Create maintained executable examples and minimal synthetic fixtures for four
|
||||
consumer shapes: Narratio-like defaults/partial imports/artifacts; Notarius-like
|
||||
object bindings/string versions/dynamic options; WeatherReporter-like defaults-only
|
||||
and report/module options; Seriatim-like ordered speaker/autocorrect rule files.
|
||||
2. Generalize the relevant copied Narratio tests and helpers, recording source
|
||||
revision and notices. Use actual consumer field patterns but no private data or
|
||||
dependencies on sibling application modules. Keep runtime algorithms in example
|
||||
application functions rather than adding library APIs for them.
|
||||
3. Compare preserved outcomes against consumer evidence and list intentional changes:
|
||||
explicit empty/null behavior, canonical objects, versions, integer representation,
|
||||
strict YAML, and retired environment/CLI configuration overrides. Verify imports
|
||||
and profiles do not absorb application LLM/pipeline-profile semantics.
|
||||
4. Convert every feature-roadmap API example into a real compiled/run example or a
|
||||
focused behavioral test; document the happy path in README and `docs/consumers/`.
|
||||
Verify dynamic options without YAML reserialization or generic subtree conversion.
|
||||
5. Add a short consumer-fit assessment to current consumer guidance: what plumbing
|
||||
disappears, what domain code remains, and what downstream migrations are still
|
||||
separate tasks. Do not use line-count targets as acceptance criteria.
|
||||
|
||||
Acceptance:
|
||||
|
||||
- All maintained YAML examples load as intended; negative migration fixtures fail
|
||||
with stable classifications and useful paths, not copied raw parser text.
|
||||
- Simple consumers need no imports/profiles and no custom parser hooks. Complex
|
||||
examples preserve domain meaning under the same conventions.
|
||||
- No external configuration reads, environment mutation, LLM calls, remote services,
|
||||
or sibling checkout requirements occur in default tests. Baseline passes.
|
||||
|
||||
## Stage 17 — Harden boundaries and verify independent loads
|
||||
|
||||
Status: pending.
|
||||
|
||||
Read: testing policy, ownership/projection, import limits, redaction guarantees.
|
||||
|
||||
Tasks:
|
||||
|
||||
1. Add bounded fuzz targets for path parsing, YAML translation, and document
|
||||
composition/overlay invariants. Retain deterministic regression seeds for any
|
||||
defects found; avoid a large permanent corpus of redundant cases.
|
||||
2. Add parallel independent-load coverage for shared read-only definitions and
|
||||
fresh defaults; exercise defensive-copy and custom-scalar paths under the race
|
||||
detector. Source/reader single-use behavior must be race-safe, not silently reused.
|
||||
3. Review private limit enforcement through reads, traversal, projection, and
|
||||
rendering. Add only missing consequential boundary tests. Prevent unbounded
|
||||
expansion through permissive aliases/providers; these remain unsupported.
|
||||
4. Run default suite, vet/build, and `go test -race ./...`. Run each selected fuzz
|
||||
target with `-run='^$' -fuzz=<exact-name> -fuzztime=30s -parallel=2` in its owning
|
||||
package. Record exact names/commands in the developer guide. No fuzz loop in CI
|
||||
is required beyond deterministic seeds unless separately configured.
|
||||
|
||||
Acceptance:
|
||||
|
||||
- Race checks and bounded fuzz runs pass on a supported native platform, with any
|
||||
discovered defects fixed and retained at their narrowest durable test boundary.
|
||||
- No unexplained test skips, mutable shared defaults, raw-secret render paths,
|
||||
unsupported-feature gates, or stale placeholder APIs remain.
|
||||
- A fresh offline baseline after dependency acquisition passes without reading any
|
||||
developer-specific configuration path.
|
||||
|
||||
## Stage 18 — Prepare release validation and reconcile documentation
|
||||
|
||||
Status: pending.
|
||||
|
||||
Read: release policy in full and [release-readiness gaps](release-readiness.md).
|
||||
|
||||
Tasks:
|
||||
|
||||
1. Create `docs/release.md` with executable commands for the existing origin/main,
|
||||
module path, source-only tags, candidate recording, branch/tag/cleanliness guards,
|
||||
precise publication refs, and clean consumer module retrieval/build verification.
|
||||
Include private-host access prerequisites without credentials or environment dumps.
|
||||
2. Implement `scripts/release-check.sh` as a fail-fast source-candidate checker.
|
||||
It must perform module hygiene (tidy in a disposable copy and diff manifests),
|
||||
cached dependency verification, offline default tests, native race tests, vet,
|
||||
native builds, `CGO_ENABLED=0` cross-builds for the four supported targets,
|
||||
formatting/whitespace checks including untracked files, maintained examples,
|
||||
and local documentation-link checks. Acquire toolchains/dependencies explicitly
|
||||
before running the offline checker. Use the baseline toolchain and a newer
|
||||
available supported toolchain when assessing the declared Go support range.
|
||||
3. Make links to sibling consumer source files optional only when those checkouts
|
||||
are absent in isolated release environments: verify local links to current
|
||||
ConfigKit owners strictly, preserve recorded external revision references, and
|
||||
document the external-reference applicability instead of requiring private repos.
|
||||
4. List manual release gates: compatibility/migration review, secrets/unintended-file
|
||||
inspection, platform execution evidence where native hosts differ, roadmap
|
||||
retirement, release-note review, exact remote commit/tag guards, and post-publication
|
||||
retrieval. Static-analysis baseline is vet; do not silently claim a linter was run.
|
||||
5. Exercise the checker on current source and reconcile all documentation links,
|
||||
API comments, `docs/config.md`, consumer examples, and component inventory.
|
||||
Replace implemented feature-roadmap definitions with current contract links;
|
||||
repair ADR navigation without changing accepted rationale. Keep this execution
|
||||
plan until release preparation retires completed roadmap material.
|
||||
6. Update release-readiness evidence for the actual runbook/checker. Keep any
|
||||
unvalidated release-candidate/publication gap explicit and retain its bootstrap
|
||||
guard until the maintainer closes it. Do not fabricate release notes for an
|
||||
unpublished candidate or mark remote verification completed. No publication is
|
||||
authorized by this stage.
|
||||
|
||||
Acceptance:
|
||||
|
||||
- The checker actually passes applicable automated gates, and the runbook explicitly
|
||||
owns every manual/inapplicable gate required by policy. No nonexistent commands
|
||||
are presented as operational. Any missing native-platform or publication evidence
|
||||
remains an explicit release gate, with its owner and closure check recorded.
|
||||
- Current docs describe implemented behavior; no duplicated roadmap contracts or
|
||||
stale deferred-plan statements remain. All feature areas below have completion
|
||||
evidence, and both architecture success criteria are demonstrated locally.
|
||||
- No tag, push, downstream migration, or release publication occurred as part of
|
||||
implementation. Maintainer release preparation remains a separate procedure.
|
||||
|
||||
## Coverage and completion audit
|
||||
|
||||
Use this map to ensure completion means the whole feature roadmap, not merely a
|
||||
working loader. The linked feature sections own semantics; stages own work.
|
||||
|
||||
| Feature area | Owning stages |
|
||||
| --- | --- |
|
||||
| Extraction, ordinary consumer types, package boundaries | 1, 4–6, 16 |
|
||||
| YAML subset, precise numeric syntax, safe source failures | 2–3, 6 |
|
||||
| Paths, presence, origins, definition history | 2, 6–8, 10, 13–14 |
|
||||
| Static defaults, null, container rules, snapshot ownership | 5–7, 14, 17 |
|
||||
| File/bytes/reader/defaults-only inputs and filesystem context | 3, 7, 11–12 |
|
||||
| Version hook and graph-placement restrictions | 7, 11, 13 |
|
||||
| Strict imports, glob ordering, identity, limits, collisions | 10–12, 17 |
|
||||
| Named profiles, precedence, atomic replacement | 13–14 |
|
||||
| Recorded normalization/derived defaults and hook errors | 8–9, 14 |
|
||||
| Semantic validation, related diagnostics, safe messages | 2, 7–9 |
|
||||
| Secret tags/predicate/dependencies and effective inspection | 5, 15, 17 |
|
||||
| Module-specific options, consistency and intentional migrations | 16 |
|
||||
| Runnable docs, examples, source-release checks and runbook | 1, 16, 18 |
|
||||
| Deferred-feature boundaries | Every stage; final audit in 18 |
|
||||
|
||||
At final handoff, report completed stages, exact checks, current documentation
|
||||
owners, source-extraction evidence, and remaining release/consumer migration work.
|
||||
A green unit suite alone is not proof that examples, metadata safety, filesystem
|
||||
behavior, documentation, or both success criteria are satisfied.
|
||||
|
||||
## Open Questions
|
||||
|
||||
No unresolved product or API question blocks the ordered stages above. The
|
||||
implementation decisions explicitly select the module identity, Go baseline,
|
||||
parser, limits, supported platform targets, metadata shapes, and consumer scope.
|
||||
Do not reopen settled feature policies solely to preserve a legacy convention.
|
||||
|
||||
Two external execution facts must still be verified when their stage runs; they
|
||||
are not authorization to silently weaken acceptance:
|
||||
|
||||
1. **Is a native Linux runner available for the declared support matrix?**
|
||||
Recommended: execute filesystem/race tests on native Linux and macOS before
|
||||
release; cross-builds alone cannot verify symlink/permission behavior. Stage 18
|
||||
can prepare the checker on the available host while keeping missing native
|
||||
evidence as an explicit release gate. Alternative: formally narrow the initial
|
||||
supported platforms to those with execution evidence, with a documented scope
|
||||
decision; this is more honest than asserting untested support, but less useful
|
||||
for the likely server consumers. Neither option blocks the platform-independent
|
||||
stages or permits claiming a skipped native check passed.
|
||||
2. **Are the authoritative host and module retrieval credentials available at
|
||||
publication time?** Recommended: verify the exact version from a clean consumer
|
||||
module after authorized publication using the host's normal access mechanism;
|
||||
keep credential setup outside ConfigKit and out of tests. Alternative: use an
|
||||
explicitly configured internal Go proxy mirroring the exact immutable tag and
|
||||
verify its source identity; it adds infrastructure but can suit restricted
|
||||
environments. Local replacement directives are useful for development but are
|
||||
not a viable substitute for release retrieval verification.
|
||||
1122
docs/roadmap/initial.md
Normal file
1122
docs/roadmap/initial.md
Normal file
File diff suppressed because it is too large
Load Diff
24
docs/roadmap/release-readiness.md
Normal file
24
docs/roadmap/release-readiness.md
Normal file
@@ -0,0 +1,24 @@
|
||||
# Release Readiness
|
||||
|
||||
## Status and ownership
|
||||
|
||||
ConfigKit is not release-ready. This document tracks outstanding release
|
||||
prerequisites under the [temporary bootstrap exception](../policy/release.md#temporary-bootstrap-deferral).
|
||||
It is not the library implementation plan and does not assign implementation
|
||||
stages. The maintainer preparing the first release owns closure.
|
||||
|
||||
## Outstanding prerequisites
|
||||
|
||||
| Gap | Evidence required to close |
|
||||
| --- | --- |
|
||||
| No Go module or declared support matrix | Established module path, supported Go versions and platform targets documented in the release procedure |
|
||||
| No release runbook | `docs/release.md` exists with the prerequisites, commands, publication guards, and verification required by release policy |
|
||||
| No complete release checker | A documented command exists and exercises every applicable automated candidate gate; manual gates and inapplicable checks are explicit |
|
||||
| No consumer verification procedure | Runbook verifies retrieval of the exact released module version and a representative consumer build without local replacement directives |
|
||||
| No validated release candidate | Version-matched release note, current contracts/examples, and complete checks against the exact committed candidate |
|
||||
|
||||
No release can proceed while these prerequisites remain open. Close items only
|
||||
on evidence from actual files and checks, not proposed commands. Record closure
|
||||
evidence here while this roadmap remains active. Once all gaps are closed,
|
||||
remove the bootstrap exception and retire this document in favor of the
|
||||
operational runbook and normal release records.
|
||||
Reference in New Issue
Block a user