TASKS: T32d passes review; T33 splits into four

tasks/ch31-43.md

@@ -79,7 +79,7 @@
 - [x] StickyNote
 - [x] Connector Line
 
-## T33 DB & Dev Tools — `src/devtools`
+## T33a DB & Dev Tools · Databases — `src/devtools`
 
 - [ ] ConnectionManager
 - [ ] ConnectionForm
@@ -92,11 +92,17 @@
 - [ ] ERDiagram
 - [ ] IndexManager
 - [ ] RedisKeyBrowser
+
+## T33b DB & Dev Tools · Data formats
+
 - [ ] DocumentViewer (MongoDB / JSON) → `devtools::JsonViewer`
 - [ ] JsonViewer / JsonTree
 - [ ] JsonEditor
 - [ ] YamlViewer
 - [ ] XmlViewer
+
+## T33c DB & Dev Tools · APIs
+
 - [ ] ApiRequestBuilder
 - [ ] ResponseViewer
 - [ ] HeadersTable
@@ -105,6 +111,9 @@
 - [ ] CollectionTree
 - [ ] WebSocketConsole
 - [ ] GraphQLExplorer
+
+## T33d DB & Dev Tools · Tools and machines
+
 - [ ] RegexTester
 - [ ] Base64 / Encoder
 - [ ] ColorContrastChecker