Expose canonical paths on command invocations

docs/roadmap/implementation.md

@@ -1,6 +1,6 @@
 # Application-owned aliases implementation plan
 
-Status: in progress; Stages 1–8 completed.
+Status: in progress; Stages 1–9 completed.
 
 ## Authority, baseline, and scope
 
@@ -495,6 +495,13 @@ and canonical forms reach the same binding/callback once; repeated calls and
 declaration reuse do not leak invocation values; zero Invocation accessors
 are empty. Existing cancellation and domain outcome checks remain green.
 
+**Completed:** Invocation now retains the entered and canonical route paths
+alongside the caller's context and streams. Public typed handlers and private
+callbacks receive the same resolved identity. Tests cover canonical and alias
+calls with operands, repeated calls, declaration reuse across Apps, private
+callback plumbing, and zero-value accessors. Verified with the root, ckconfig,
+and ckprompt suites under the local workspace.
+
 ## Stage 10: Add alias-aware help and discovery views
 
 **Work**