chore: update plan and fix useMultiSelectIntersection types

Co-Authored-By: claude-flow <ruv@ruv.net>

apps/web/src/hooks/useMultiSelectIntersection.ts

@@ -5,9 +5,13 @@
 
 import { useEffect } from "react";
 import { LABEL_WIDTH } from "~/components/timeline/timelineConstants.js";
-import type { MultiSelectState, AllocDragMode } from "~/hooks/useTimelineDrag.js";
-import type { TimelineAssignmentEntry } from "~/components/timeline/TimelineContext.js";
-import type { ViewMode, ResourceBrief } from "~/components/timeline/TimelineContext.js";
+import type { MultiSelectState } from "~/hooks/useTimelineDrag.js";
+import type {
+  TimelineAssignmentEntry,
+  TimelineDemandEntry,
+  ViewMode,
+  ResourceBrief,
+} from "~/components/timeline/TimelineContext.js";
 
 interface ProjectGroup {
   id: string;
@@ -17,12 +21,6 @@ interface ProjectGroup {
   }[];
 }
 
-interface DemandEntry {
-  id: string;
-  startDate: Date | string;
-  endDate: Date | string;
-}
-
 export function useMultiSelectIntersection({
   multiSelectState,
   setMultiSelectState,
@@ -47,7 +45,7 @@ export function useMultiSelectIntersection({
   resources: ResourceBrief[];
   allocsByResource: Map<string, TimelineAssignmentEntry[]>;
   projectGroups: ProjectGroup[];
-  openDemandsByProject: Map<string, DemandEntry[]>;
+  openDemandsByProject: Map<string, TimelineDemandEntry[]>;
   dates: Date[];
   today: Date;
   CELL_WIDTH: number;