Add completion hints to maintained commands

docs/roadmap/implementation.md

@@ -1,6 +1,6 @@
 # Shell completion implementation plan
 
-Status: Stages 1–6 complete. Stage 7 is next.
+Status: Stages 1–7 complete. Stage 8 is next.
 
 Implement the [shell completion roadmap](completion.md) from baseline
 `2301872`. Follow the stages in order in one sprint. Intermediate stages may
@@ -274,6 +274,8 @@ interactive Bash, Zsh, and Fish transport matrix pass.
 
 ## Stage 7: Annotate maintained commands and examples
 
+Status: complete.
+
 1. Annotate static format/scope flags where their choices already come from
    fixed command metadata or literals. Use the same values as the existing
    version, config, and PromptKit command implementations; omit scope hints
@@ -291,6 +293,16 @@ interactive Bash, Zsh, and Fish transport matrix pass.
    update the feature status and keep alias discovery and dynamic discovery
    in deferred work.
 
+Completion: annotated built-in version, configuration, and PromptKit formats,
+supported configuration scopes, and filename selections. The core and composed
+examples install completion and demonstrate choices, paths, and entered
+aliases. Integration tests verify scope availability and completion without
+input, state, acquisition, comparison, engine, or client callbacks. GoDoc, CLI,
+consumer, example, and roadmap documentation now describe the delivered scope;
+alias and dynamic discovery remain deferred. Root and both integration package
+tests pass in the local workspace, and changed Markdown links and whitespace
+checks pass.
+
 ## Stage 8: Validate the assembled sprint
 
 1. Exercise the generated scripts in Bash, Zsh, and Fish using a built fixture