Document PromptKit comparison and catalogs

docs/roadmap/deferred.md

@@ -5,8 +5,8 @@ Status: retained future work and unselected proposals; no implementation schedul
 ## Purpose and authority
 
 Completed initial delivery, performance, ReleaseKit upgrade, and remediation
-records have been retired. This document preserves their unfinished capability
-targets and deferred ideas under the
+records have been retired. This document preserves remaining deferred
+capabilities and unselected ideas under the
 [release policy](../policy/release.md#release-documentation-and-preparation).
 The original records remain available in
 [Git history](https://gitea.maximumdirect.net/eric/CommandKit/src/commit/6bc37e7ba64ca0920b4d0cc77039a18d4006b24e/docs/roadmap).
@@ -18,13 +18,13 @@ an idea here does not select its syntax, API, priority, or delivery date.
 
 ## Deferred capability targets
 
-### PromptKit configuration comparison
+### PromptKit requirement inspection
 
-ConfigKit-backed `config diff` is implemented by `ckconfig` for scopes that
-declare that capability. `ckprompt.ConfigScope` does not declare comparison.
-Reassess PromptKit's supported public comparison capabilities before planning a
-PromptKit comparison. Do not reach into ConfigKit internals or infer comparison
-semantics from rendered YAML.
+PromptKit exposes `Engine.InspectRequirements`, but a standard CommandKit
+operation for requirement inspection remains deferred. Its command syntax,
+selection behavior, presentation, and readiness semantics have not been
+selected. Reassess the owning library's public contract and make those product
+choices before planning delivery.
 
 ### Comparison extensions
 
@@ -33,16 +33,6 @@ unselected extensions to the delivered ConfigKit comparison. Consider them only
 for a concrete consumer need and a deliberate API/behavior decision under the
 relevant ADRs.
 
-### CAT-01: PromptKit catalogs
-
-List captured prompt/version entries and named profiles through owning public
-catalog APIs, with deterministic reports of loaded definitions. Resource names,
-enumeration details, and report shapes remain future design work.
-
-The initial PromptKit v0.12.0 review did not find public enumeration APIs.
-Reassess current released capabilities before planning delivery. Do not infer
-catalogs by reparsing configuration YAML or inspecting sibling internals.
-
 ## Other deferred proposals
 
 These capabilities remain outside the delivered scope and require a concrete