90 lines
5.7 KiB
Markdown
90 lines
5.7 KiB
Markdown
# Internal Component Overview
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ConfigKit exposes the root `configkit` package and keeps its document and YAML
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representations private. The implemented components and their owners are:
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- immutable semantic `Path` construction and strict JSON Pointer parsing;
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- detached effective presence/origin and chronological history queries in
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`metadata.go`, with provenance and diagnostic record types;
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- canonical, control-safe diagnostic rendering and structured `LoadError` access;
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- opaque file, byte, reader, and no-input source construction in `source.go`,
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with shared regular-file checks and bounded read mechanics in `source_file.go`;
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- a parser-independent ordered tree in `internal/document`, with root-private
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semantic lookup, indexing, and value traversal in `document_walk.go`;
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- the sole upstream YAML integration in `internal/yaml`, which translates validated
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input into that owned tree and exposes no parser types outside its boundary;
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`parse.go` owns shared translation into detached, ordered public diagnostics;
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- a private strict composer in `compose.go` that joins only disjoint document-tree
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definitions, retains ordered claims and composite mapping origins, reports every
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conflicting location, and never aliases an input tree;
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- fixed selected-profile loading in `profile.go` and recursive, non-aliasing overlay
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with displacement records in `overlay.go`; overlay records retain origins,
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while value explanation uses separate history applications;
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- CLI override validation/preparation in `override.go`, parser-neutral values in
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`override_value.go`, and synthetic-source application in `override_apply.go`,
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sharing overlay, source, byte, node, and depth policies;
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- a per-operation private reflection descriptor graph in `schema.go` for supported
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types, YAML field binding, inlining, secret tags, recursion, and semantic paths;
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- descriptor-driven canonical projection in `projection.go`, detached typed
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cloning with explicit secret-state modes in `clone.go`, shared reflection and
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cycle/limit state in `value_operation.go`, and configuration-value comparison
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in `document_compare.go`; validation separately audits sensitivity and secrets;
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- strict schema-driven decoding over detached defaults in `decode.go`, including
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mapping/sequence semantics, null and numeric policy, safe codec errors, presence,
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baseline/final trees, and initial default/input origins;
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- public lifecycle coordination in `load.go`, option selection in `options.go`,
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input assembly in `load_input.go`, typed phases/publication in `load_result.go`,
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bounded canonical import DFS in `imports.go`, filesystem context/containment in
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`filesystem.go`, directive parsing/restrictions in `directives.go`,
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pattern-directed glob expansion in `glob.go`, schema-version checking and report
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contexts in `validation.go`, and layered metadata/history assembly in
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`load_metadata.go`;
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- recorded application defaulting and normalization in `resolution.go`, including
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explicitness queries, helper verification, structural mutation audit, coalesced
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intent, private before/after snapshots, and resolution metadata integration;
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- post-resolution schema-aware report collection and validator mutation detection in
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`validation.go`, completing the public callback lifecycle after composed input;
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- opaque typed environment references and per-load name resolution in
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`secret_reference.go`, including credential-free projection/cloning and private
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validator-state auditing;
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- explicit bounded startup environment bootstrap and safe partial reporting in
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`secrets.go`;
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- fixed-point tag/predicate/dependency sensitivity classification in `secret.go`;
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- canonical effective output in `render.go`, using frozen-snapshot redaction
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shared with explanation in `snapshot.go`;
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- detached public explanation records and coordination in `explain.go`, immutable
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input applications/replay and retained-node budgeting in `history.go`, shared
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safe snapshot projection in `snapshot.go`, and deterministic human output in
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`explain_render.go`; the only upstream dumper integration remains isolated in
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`internal/yaml/write.go`;
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- a separate maintained `examples/consumers` package with four sanitized consumer
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shapes, fixtures, domain validators, and runtime-boundary functions; and
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- an everyday single-toolchain check in `scripts/check.sh` and a stricter
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source-candidate checker in `scripts/release-check.sh`, with local
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documentation-link and public import-boundary gates owned by root-package tests.
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Dependency direction remains inward: the public lifecycle coordinates private
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source, document, schema, and inspection helpers. Semantic paths stay in the root
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package; `internal/document` owns only representation and cloning and never imports
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the root package. Only `internal/yaml` imports the upstream YAML package. Maintained
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consumer examples use the public package and standard library.
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The [configuration contract](../config.md) owns implemented input, schema, decoding,
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loading lifecycle, path imports, composition, profile/CLI overlay, version checking,
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recorded resolution, typed secret references/bootstrap, semantic validation,
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metadata, secret classification, redacted effective rendering, historical
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explanation, and ownership behavior.
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The [consumer adoption guide](../consumers/README.md) owns current application-fit
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and migration guidance.
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The source-extraction inventory records the application foundations used by the
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implementation:
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- [Extraction inventory](extraction.md)
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The [architecture policy](../policy/architecture.md) owns binding boundaries and
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invariants. The [deferred scope](../roadmap/deferred.md) records deliberate
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exclusions. See the
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[development guide](../development.md) for contributor orientation and validation
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and the [release procedure](../release.md) for source-candidate gates.
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