Resolve entered command routes to canonical paths

docs/roadmap/implementation.md

@@ -1,6 +1,6 @@
 # Application-owned aliases implementation plan
 
-Status: in progress; Stages 1–6 completed.
+Status: in progress; Stages 1–7 completed.
 
 ## Authority, baseline, and scope
 
@@ -439,6 +439,13 @@ local workspace.
 an explicit longer route while canonical `run full` remains unchanged;
 flags/values/space-containing argv tokens never becoming command components.
 
+**Completed:** Routing snapshots now retain canonical path metadata and the
+separate command-alias resolver. Execution resolves command prefixes before
+parsing, tracks the original input-token origins through alias chains, and
+preserves the remaining argv. Canonical operands, flags, terminators, unknown
+paths, and alias-only discovery prefixes receive distinct route results.
+Verified with root and both integration module suites using the local workspace.
+
 ## Stage 8: Integrate parser-aware flag aliasing and short grammar
 
 **Work**