Separate filesystem context from access

docs/roadmap/implementation.md

@@ -1,6 +1,6 @@
 # Consolidation Implementation Plan
 
-Status: in progress. Stages 1 through 6 are complete; follow Stage 7 through Stage 20 in order.
+Status: in progress. Stages 1 through 7 are complete; follow Stage 8 through Stage 20 in order.
 The target executor is a Luna coding agent working through one end-to-end sprint.
 
 ## Authority, Baseline, And Execution
@@ -347,7 +347,7 @@ direct tests to construct named requests. A search-source regression was caught
 and fixed during verification. The focused engine selection, facade selection,
 consumer example tests, and `GOTOOLCHAIN=local GOPROXY=off go test ./...` passed.
 
-## Stage 7 — Separate Resolved Filesystem Facts From Access
+## Stage 7 — Separate Resolved Filesystem Facts From Access (Complete)
 
 **Owners:** new engine `filesystem_context.go`, `filesystem.go`,
 `filesystem_access.go`.
@@ -374,6 +374,13 @@ consumer example tests, and `GOTOOLCHAIN=local GOPROXY=off go test ./...` passed
 **Finish:** common context facts have one private representation while validation
 timing and live resource ownership remain explicit.
 
+Progress notes (2026-10-25): added shared host/native filesystem descriptions,
+separated directory validation and access creation, and migrated import
+acquisition to pass resolved facts alongside its owned access. The prior
+derivation adapters remain for the validator and overlay migration. Focused
+acquisition tests, `GOTOOLCHAIN=local GOPROXY=off go test ./...`, and
+`git diff --check` passed.
+
 ## Stage 8 — Carry Context Facts Through Input And Passive Views
 
 **Owners:** engine `load_input.go`, `source_context.go`, `load_request.go`, and