Add PromptKit requirements adapter

docs/roadmap/implementation.md

@@ -1,6 +1,6 @@
 # Implement PromptKit requirements inspection
 
-Status: ready for implementation; no stages have been completed.
+Status: in progress; Stage 1 is complete.
 
 ## Authority and working rules
 
@@ -116,6 +116,17 @@ adds the callback; its CLI availability arrives in Stage 3. Update existing
 absence tests when the command assembly starts counting the fifth callback in
 that stage, rather than treating their old four-callback assumption as policy.
 
+**Completed:** Added `RequirementsRequest`, the optional suite callback, and
+the `FromEngine` native adapter in `integrations/ckprompt/adapters.go`; added
+adapter coverage in `adapters_test.go`. The ignored workspace already included
+core, ckconfig, and ckprompt, and the baseline ckprompt suite passed. After the
+change, `GOTOOLCHAIN=local go test ./integrations/ckprompt -run
+'TestFromEngine(InspectsRequirementsWithNativeRequest|RequirementsRetainLoadDiagnosticsAndSelectionErrors|RequirementsHonorCancellationAfterLoad|PassesRequestsAndRetainsNilLoaderIssue)$'
+-count=1` and `GOTOOLCHAIN=local go test ./...` from `integrations/ckprompt`
+passed. The tests verify native result equivalence, loader arguments, retained
+ConfigKit diagnostics, nil-engine handling, native selection error identity, and
+cancellation after loading. No material limitations were encountered.
+
 ## Stage 2: Implement the requirements YAML report
 
 **Outcome:** native inspections map to the accepted YAML shape without losing