Wire load lifecycle through input acquisition

docs/roadmap/implementation.md

@@ -1,6 +1,6 @@
 # Consolidation Implementation Plan
 
-Status: in progress. Stages 1 through 5 are complete; follow Stage 6 through Stage 20 in order.
+Status: in progress. Stages 1 through 6 are complete; follow Stage 7 through Stage 20 in order.
 The target executor is a Luna coding agent working through one end-to-end sprint.
 
 ## Authority, Baseline, And Execution
@@ -308,7 +308,7 @@ yet because the remaining ordinary and grouped assembly callers are scheduled
 for Stage 6; verification is deferred until that integration. `git diff --check`
 passed.
 
-## Stage 6 — Wire Ordinary And Grouped Lifecycle To Acquisition
+## Stage 6 — Wire Ordinary And Grouped Lifecycle To Acquisition (Complete)
 
 **Owners:** engine `load.go`, `load_request.go`, `load_input.go`, related tests.
 
@@ -339,6 +339,14 @@ passed.
 for acquisition. The shared path is wired end to end; context and import-flow
 extraction continue in later stages.
 
+Progress notes (2026-10-25): `executeLoadRequest` now creates one acquisition
+policy/state and acquires the main input through `acquireInput`; underlay groups
+reuse those load owners with a fresh tier state. Removed the generic base-input
+assembly variants and the acquisition-only fields from `Options`, and adapted
+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
 
 **Owners:** new engine `filesystem_context.go`, `filesystem.go`,