feat: add progression readiness api

internal/app/server.go

@@ -7,6 +7,7 @@ import (
 	"tutor/internal/httpapi"
 	"tutor/internal/interview"
 	"tutor/internal/learnermemory"
+	"tutor/internal/progression"
 	"tutor/internal/workflows"
 )
 
@@ -14,8 +15,9 @@ func NewServer(cfg config.Config) *http.Server {
 	runner := workflows.NewStubRunner()
 	store := interview.NewMemoryStore()
 	memory := learnermemory.NewService(learnermemory.NewMemoryStore())
+	progress := progression.NewService(memory)
 	service := interview.NewService(store, runner, memory)
-	handler := httpapi.NewHandler(cfg, service, memory)
+	handler := httpapi.NewHandler(cfg, service, memory, progress)
 
 	return &http.Server{
 		Addr:    cfg.HTTPAddr,