Document import and facade boundaries

docs/internal/imports.md

@@ -42,6 +42,17 @@ directory can be treated as optional, while enumeration and close failures
 remain selection errors, including errors from the standard `fs.ReadDir`
 fallback.
 
+Glob selection keeps traversal coordination in `selectGlobImportCandidates`:
+it advances literal and patterned segments, reads directories, unions and sorts
+candidates, validates final targets, then applies exclusions and requiredness.
+For each patterned directory entry, `prepareGlobEntry` handles matching and
+hidden filtering, containment, target and link inspection, intermediate-directory
+eligibility, host/native access-path selection, and candidate identity and label.
+It returns a candidate, an ordinary skip, or a diagnostic without mutating the
+selector's candidate set or traversal state. Directory entry preparation remains
+separate because its matching, absence, recursion, and traversal-state rules
+differ.
+
 Acquisition remains authored: declarations are visited in source order and each
 selected candidate set in namespace-path lexical order. This preserves source
 records, IDs, source-local version checks, and callback ordering. The acquired

docs/internal/overview.md

@@ -20,9 +20,13 @@ Implemented component owners:
   inheritance and decoding, before application resolution. The engine also owns
   shared source-version checking with sanitized declaration evidence.
   Explicit import discovery supports declared paths, directory searches, and
-  globs; load-wide defaults and source-local empty-selection evidence cross the
+  globs; root-owned defaults are converted to the engine's single defaults input
-  root facade without changing acquisition order. Import and inheritance
+  and snapshotted during load preflight before acquisition, while source-local
-  resolution share dependency-ready scheduling within their composition scopes.
+  empty-selection evidence crosses the facade without changing acquisition
+  order. The root constructs placement directly on engine options and inputs
+  using explicit enum conversion; public types and fields remain root-owned.
+  Import and inheritance resolution share dependency-ready scheduling within
+  their composition scopes.
   It retains each source's effective placement alongside physical source
   identity and owns schema
   inspection, lifecycle coordination, callback auditing,
@@ -91,8 +95,14 @@ bounded algorithms.
 
 ## Implementation flow
 
-The root facade converts caller-owned values into engine-owned requests. The
+The root facade converts caller-owned values into engine-owned requests. Its
-ordinary and grouped entry points share a normalized `loadRequest`: see
+`ImportDefaults` conversion maps fields without taking ownership; engine load
+preflight snapshots the defaults once before source acquisition or callbacks.
+Ordinary and grouped loading then carry that read-only value through their
+normalized `loadRequest` and acquisition policy, while declaration resolution
+copies values needed by its independently owned effective policy. Placement is
+constructed directly on the engine's options and input records after explicit
+root-to-engine enum conversion. See
 [`lifecycle.go`](../../lifecycle.go), [`layered.go`](../../layered.go), and
 [`load_request.go`](../../internal/engine/load_request.go). Load-wide definition,
 version, default-import, and override policy stays distinct from each input's

docs/roadmap/future.md

@@ -8,67 +8,11 @@ in ADRs; this document does not maintain a list of rejected proposals.
 
 ## 1. Separate glob entry preparation from traversal
 
-Status: deferred; consider after the selected work in the
+Implemented in the [internal-boundary roadmap](internal-boundaries.md#glob-entry-preparation) (C03).
-[consolidated audit roadmap](audit.md) is complete. Audit ID: C03.
-Original source: complexity finding 4 at
-`ecd5d5d:docs/roadmap/complexity.md`; assessed priority: medium.
-
-The patterned branch of `selectGlobImportCandidates` in
-[glob.go](../../internal/engine/glob.go) interleaves component traversal and
-union/sorting with hidden/match rules, lexical/access paths, containment, links,
-directory eligibility, namespace differences, labels, and candidate construction.
-Directory selection already has a named entry-preparation operation.
-
-Consider a glob-specific preparation helper returning an admitted candidate,
-ordinary skip, or diagnostic. Keep literal segments, component advancement,
-union/sorting, exclusions, and requiredness in the selector. Preserve inspection
-and error order, budgets, native namespace spelling, and selected-file validation.
-Share low-level filesystem facts only where semantics agree; the proposal does
-not require a general visitor framework, discovery-algorithm change, or caching.
-The selected directory-failure and link-resolution fixes do not depend on this
-readability refactor.
-
-### Questions to resolve before implementation
-
-- After the selected import fixes, does the entry-preparation boundary still
-  reduce complexity and clarify lexical versus canonical path handling?
-- Which low-level operations can be shared with directory selection while
-  keeping their distinct admission and traversal rules explicit?
-- Can existing behavioral tests protect ordering, diagnostics, and resource
-  accounting without assertions about the new private helper structure?
 
 ## 2. Simplify redundant facade-to-engine transport
 
-Status: deferred; consider after the selected work in the
+Implemented in the [internal-boundary roadmap](internal-boundaries.md#facade-to-engine-transport) (F07).
-[consolidated audit roadmap](audit.md) is complete. Audit ID: F07.
-Original source: complexity finding 5 at
-`ecd5d5d:docs/roadmap/complexity.md`; assessed priority: low. The unused placement
-bridge removal is separately selected as audit F05.
-
-Root conversion, engine facade-transport records, engine private defaults,
-decorators, and load normalization provide several mapping sites for the same
-import-default fields. Placement likewise uses a record plus a setter-style
-bridge. See [conversion.go](../../conversion.go),
-[lifecycle.go](../../lifecycle.go), [layered.go](../../layered.go),
-[import_spec.go](../../internal/engine/import_spec.go), and
-[destination.go](../../internal/engine/destination.go).
-
-Consider one engine representation for import-default input and straightforward
-construction on existing option/input records, only if this reduces total
-concepts and mapping sites. Keep domain-rule and ownership conversions and
-separate registration compilation. Preserve root-owned types/signatures, both
-loading APIs, invalid-enum validation, nil-versus-empty patterns, and pointer/slice
-snapshots. A universal request DTO, generated mapper, public internal aliases,
-or adapter framework is not part of this proposal.
-
-### Questions to resolve before implementation
-
-- After unused bridges and fields are removed, does the remaining transport
-  duplication still justify a refactor?
-- Which representations can be combined without losing ownership snapshots,
-  presence distinctions, validation, or root-owned public types?
-- Would the proposed construction surface reduce total concepts and conversion
-  sites, rather than relocate the same work behind another abstraction?
 
 ## 3. Recursive body merging for identified records
 

docs/roadmap/implementation.md

@@ -244,7 +244,12 @@ Focused checks:
 
 ## Stage 5 — Integrate, Document, And Verify The Result
 
-Findings: final acceptance for **C03, F07**. Status: **not started**.
+Findings: final acceptance for **C03, F07**. Status: **complete**. Validation
+passed on Linux/amd64 (Go 1.26.10):
+`env GOTOOLCHAIN=local GOPROXY=off GOTELEMETRY=off ./scripts/check.sh`,
+`env GOTOOLCHAIN=local GOPROXY=off GOTELEMETRY=off go test -race ./...`, and
+`git diff --check`. Existing integration coverage was reviewed; no additional
+case was needed.
 
 1. Review both paths together: defaults resolving wildcard discovery in ordinary,
    layered, and transitive imports; placement carrying the resulting sources

docs/roadmap/roadmap.md

@@ -1,6 +1,7 @@
 # Audit Remediation Roadmap
 
-Status: target accepted; execution is tracked in the [implementation plan](implementation.md).
+Status: target accepted; completed execution is recorded in the historical plan
+at `bb5540b:docs/roadmap/implementation.md`.
 Prepared: 2026-10-25. Planning baseline: `e1e94ee`.
 
 This roadmap describes the target state and related work for the 29 entries
@@ -14,9 +15,9 @@ It is intended for maintainers reviewing the remediation's scope and architectur
   independently reproduced by writing this roadmap.
 - This document owns the combined target state, work areas, and design intent.
   Finding IDs below provide traceability without repeating the full audit inventory.
-- The [implementation plan](implementation.md) owns concrete stages, private
+- The historical implementation plan at
-  implementation choices, edits, validation commands, and execution progress.
+  `bb5540b:docs/roadmap/implementation.md` records concrete stages, private
-  It carries the selected IDs through to completion evidence.
+  implementation choices, edits, validation commands, and completion evidence.
 
 The [configuration contract](../config.md), public Go declarations, and
 [architecture policy](../policy/architecture.md) remain the owners of behavior
@@ -227,11 +228,12 @@ count are not acceptance criteria for this work.
 
 ## Implementation Plan
 
-The [implementation plan](implementation.md) defines the sequential, Luna-scoped
+The historical implementation plan at `bb5540b:docs/roadmap/implementation.md`
-stages and their dependencies, including coordinated changes to descriptor state,
+defines the sequential, Luna-scoped stages and their dependencies, including
-history ownership/accounting, collection policy, acquisition, and replacement
+coordinated changes to descriptor state, history ownership/accounting, collection
-public coverage. It also owns validation commands and the complete finding-to-stage
+policy, acquisition, and replacement public coverage. It also records validation
-map. The audit remains the owner of original evidence and detailed acceptance cases.
+commands and the complete finding-to-stage map. The audit remains the owner of
+original evidence and detailed acceptance cases.
 
 ## Validation And Completion
 
@@ -244,27 +246,31 @@ matter and narrow fault injection for read/close failures. State platform limits
 
 Applicable development checks come from the [development guide](../development.md),
 including appropriate race coverage for changed ownership and lifetime boundaries.
-The implementation plan owns their execution. Existing audit results are baseline
+The historical implementation plan owns their execution. Existing audit results
-evidence, not validation of the eventual changes. No performance benchmark campaign is
+are baseline evidence, not validation of the eventual changes. No performance
-required by this roadmap, and no new benchmark results are claimed.
+benchmark campaign is required by this roadmap, and no new benchmark results are
+claimed.
 
 Completion means all 29 selected findings have implementation and acceptance
 evidence, the affected public behavior remains consistent with its contracts,
 and canonical internal documentation describes the resulting owners. The
-implementation plan owns execution status without duplicate progress inventories.
+historical implementation plan records execution status without duplicate
-Retire completed planning records under the normal documentation lifecycle.
+progress inventories. Retire completed planning records under the normal
+documentation lifecycle.
 
 ## Scope Boundaries And Decision Status
 
 All three audit scope questions are settled. No significant architectural or
-product decision remains open for this roadmap. The implementation plan records
+product decision remains open for this roadmap. The historical implementation
-private design choices and sequencing, subject to the acceptance cases above.
+plan records private design choices and sequencing, subject to the acceptance
+cases above.
 If that work exposes a need to change a public contract, bring the specific
 decision back for review rather than treating it as an implicit part of remediation.
 
 The glob preparation refactor (C03) and wider facade transport simplification
-(F07) remain the first two entries in [future.md](future.md), for consideration
+(F07) have since been selected in the
-after this selected work is complete. Other deferred features, clone-traversal
+[internal-boundary roadmap](internal-boundaries.md). Other deferred features,
-redesign, and broader performance experiments remain outside this effort. Keep
+clone-traversal redesign, and broader performance experiments remain outside
+this effort. Keep
 existing ownership boundaries and loading APIs; no ADR or architecture-policy
 change is proposed by this roadmap.