feat(ui): context panel enhancements — resizable panels, drag-and-drop todo ordering, and persistent sizes (#1269)

* fix: remove max-h-80 cap on quick notes textarea so resized height is respected

* feat: add drag & drop reordering to project todo items

* feat: make todo panel resizable with density-aware sizing

* feat: open plan import file picker at project root

* feat: persist quick notes and todo panel sizes across sessions

* refactor(ui): scale content height with padding in projectnotestodopanel

* Update packages/ui/src/components/session/ProjectNotesTodoPanel.tsx

Signed-off-by: Erman HAVUÇ <ermanhavuc@gmail.com>

* fix(ui): harden context panel resizing and import

---------

Signed-off-by: Erman HAVUÇ <ermanhavuc@gmail.com>
Co-authored-by: Bohdan Triapitsyn <artmore@protonmail.com>

packages/ui/src/lib/i18n/messages/pl.ts

@@ -1930,6 +1930,8 @@ export const dict: Record<I18nKey, string> = {
   'rightSidebar.contextNotesTodo.todo.actions.expand': 'Rozwiń zadanie „{text}”',
   'rightSidebar.contextNotesTodo.todo.actions.markComplete': 'Oznacz „{text}” jako ukończone',
   'rightSidebar.contextNotesTodo.todo.actions.send': 'Wyślij „{text}”',
+  'rightSidebar.contextNotesTodo.todo.actions.reorder': 'Zmień kolejność "{text}"',
+  'rightSidebar.contextNotesTodo.todo.resizeAria': 'Zmień rozmiar listy zadań',
   'rightSidebar.contextNotesTodo.todo.addAria': 'Dodaj zadanie',
   'rightSidebar.contextNotesTodo.todo.clearCompleted': 'Wyczyść ukończone',
   'rightSidebar.contextNotesTodo.todo.empty': 'Brak zadań. Dodaj krótką checklistę dla tego projektu.',