feat(dreams): scaffold Traumtagebuch module

Adds a new Dreams module to the unified Mana app for capturing dream
journal entries with mood, lucid status, recurring symbols, and
timeline insights. Founder-tier gated for now.

- Dexie schema v5 with dreams, dreamSymbols, dreamTags
- Mutation store with auto symbol counting on create/update/delete
- ListView with quick capture, inline editor, mood picker, lucid
  toggle, monthly grouping, insights ribbon, context menu
- Workbench registration with note → dream drop transform
- New 'dream' DragType, dreams app icon, mana-apps catalog entry

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

packages/shared-ui/src/dnd/types.ts

@@ -23,7 +23,8 @@ export type DragType =
 	| 'habit'
 	| 'note'
 	| 'transaction'
-	| 'place';
+	| 'place'
+	| 'dream';
 
 export interface DragPayload<T = Record<string, unknown>> {
 	type: DragType;