fix: stale caches cause 'not found' errors for docs created in script transactions

Author: Claude Dev

cmd/mxcli/examples/helpdesk-app.mdl

@@ -746,7 +746,7 @@ create or modify microflow KB.SUB_Article_TruncateContent
   returns string as $Preview
   folder 'Article'
 {
-  declare $Preview: string = $Article/Content;
+  $Preview = $Article/Content;
   return $Preview;
 }
 /

mdl/backend/mpr/repos/microflows.go

@@ -191,6 +191,11 @@ func (r *microflowRepo) GetContainerUUID(id model.ID) (model.ID, error) {
 	var blob []byte
 	err := r.r.DB().QueryRow("SELECT ContainerID FROM Unit WHERE UnitID = ?", bin.Data).Scan(&blob)
 	if err != nil {
+		// Fallback: check script-insert buffer for units created in the current
+		// script transaction but not yet committed to SQLite (Bug B).
+		if cid, ok := r.r.GetScriptInsertContainerID(string(id)); ok {
+			return model.ID(cid), nil
+		}
 		return "", fmt.Errorf("GetContainerUUID(%s): %w", id, err)
 	}
 	return model.ID(mmpr.BlobToUUID(blob)), nil

mdl/backend/mpr/repos/nanoflows.go

@@ -213,6 +213,9 @@ func (r *nanoflowRepo) GetContainerUUID(id model.ID) (model.ID, error) {
 	var blob []byte
 	err := r.r.DB().QueryRow("SELECT ContainerID FROM Unit WHERE UnitID = ?", bin.Data).Scan(&blob)
 	if err != nil {
+		if cid, ok := r.r.GetScriptInsertContainerID(string(id)); ok {
+			return model.ID(cid), nil
+		}
 		return "", fmt.Errorf("GetContainerUUID(%s): %w", id, err)
 	}
 	return model.ID(mmpr.BlobToUUID(blob)), nil

mdl/backend/mpr/repos/pages.go

@@ -179,6 +179,9 @@ func (r *pageRepo) GetContainerUUID(id model.ID) (model.ID, error) {
 	var blob []byte
 	err := r.r.DB().QueryRow("SELECT ContainerID FROM Unit WHERE UnitID = ?", bin.Data).Scan(&blob)
 	if err != nil {
+		if cid, ok := r.r.GetScriptInsertContainerID(string(id)); ok {
+			return model.ID(cid), nil
+		}
 		return "", fmt.Errorf("GetContainerUUID(%s): %w", id, err)
 	}
 	return model.ID(mmpr.BlobToUUID(blob)), nil

mdl/backend/mpr/repos/workflows.go

@@ -182,6 +182,9 @@ func (r *workflowRepo) GetContainerUUID(id model.ID) (model.ID, error) {
 	var blob []byte
 	err := r.r.DB().QueryRow("SELECT ContainerID FROM Unit WHERE UnitID = ?", bin.Data).Scan(&blob)
 	if err != nil {
+		if cid, ok := r.r.GetScriptInsertContainerID(string(id)); ok {
+			return model.ID(cid), nil
+		}
 		return "", fmt.Errorf("GetContainerUUID(%s): %w", id, err)
 	}
 	return model.ID(mmpr.BlobToUUID(blob)), nil

mdl/executor/cmd_pages_create_v3.go

@@ -148,6 +148,10 @@ func execCreatePageV3(ctx *ExecContext, s *ast.CreatePageStmtV3) error {
 	// Track the created page so it can be resolved by subsequent page references
 	ctx.trackCreatedPage(s.Name.Module, s.Name.Name, model.ID(genPage.ID()), moduleID)
 
+	// Invalidate cached page listing so subsequent findPageIDGen / grant page
+	// calls see the newly created page (Bug A — stale pagesWithContainerGen).
+	invalidatePagesGenCache(ctx)
+
 	fmt.Fprintf(ctx.Output, "Created page %s\n", s.Name.String())
 	return nil
 }

modelsdk/mpr/reader.go

@@ -502,6 +502,20 @@ func (r *Reader) ScriptOverlay() map[string][]byte { return r.scriptOverlay }
 // ScriptInserts returns the current script insert list (for tests).
 func (r *Reader) ScriptInserts() []ScriptInsertEntry { return r.scriptInserts }
 
+// GetScriptInsertContainerID looks up a unit ID in the script-insert buffer
+// and returns its container UUID if found. Returns ("", false) when the unit
+// is not a buffered insert. This allows GetContainerUUID implementations to
+// resolve container linkage for units created within an uncommitted script
+// transaction (Bug B — SQLite-only query misses buffered inserts).
+func (r *Reader) GetScriptInsertContainerID(unitID string) (string, bool) {
+	for _, e := range r.scriptInserts {
+		if e.ID == unitID {
+			return e.ContainerID, true
+		}
+	}
+	return "", false
+}
+
 // blobToUUIDSwapped converts a 16-byte blob to a UUID string using Microsoft GUID format.
 // The first 3 groups are little-endian (byte-swapped), last 2 groups are big-endian.
 // This is the format used by Mendix for file naming in mprcontents folder.

scripts/validate-academy-capstone.sh

@@ -121,6 +121,10 @@ run_mxcli() {
     if [ -n "${MXCLI:-}" ]; then
         "$MXCLI" "$@"
     else
+        # ensure go:embed build artifacts exist before go run
+        if [ ! -f "$REPO_ROOT/cmd/mxcli/changelog.md" ]; then
+            make -C "$REPO_ROOT" sync-all 2>/dev/null
+        fi
         (cd "$REPO_ROOT" && go run ./cmd/mxcli "$@")
     fi
 }