feat: estimate tickets and see the team's velocity

Story points can be set on the ticket page and when creating a ticket,
and show on cards, column headers, subtasks and the backlog. The Sprints
tab charts the points finished per closed sprint and warns when a planned
sprint holds more than the recent average.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

libs/web/tracker/presenters/src/lib/pages/board.page.ts

@@ -42,11 +42,13 @@ import {
   boardFilterOf,
   IssuePriority,
   IssueSummary,
+  POINT_SCALE,
   ReleaseStatus,
   SavedFilter,
+  sumPoints,
 } from '@task-stream/web/tracker/domain';
 import { IssueCardComponent } from '../ui/issue-card';
-import { options, PRIORITY, statusLook } from '../ui/copy';
+import { options, pointOptions, PRIORITY, statusLook } from '../ui/copy';
 
 const ALL = '';
 /** "Sin asignar" in the person filter. */
@@ -186,7 +188,14 @@ const NOBODY = '__nobody__';
               <span class="ts-column__name">{{
                 statusLabel(column.status)
               }}</span>
-              <span class="ts-column__count">{{ column.total }}</span>
+              <span class="ts-column__count"
+                >{{ column.total }}
+                @if (pointsOf(column); as points) {
+                  <span class="ts-column__points" title="Puntos estimados"
+                    >· {{ points }} pts</span
+                  >
+                }
+              </span>
             </header>
             <div
               class="ts-column__list"
@@ -254,6 +263,12 @@ const NOBODY = '__nobody__';
           <pi-select-field [formField]="f.area" [options]="areaOptions()">
             <pi-label>Área</pi-label>
           </pi-select-field>
+          <pi-select-field
+            [formField]="f.storyPoints"
+            [options]="pointsOptions"
+          >
+            <pi-label>Estimación</pi-label>
+          </pi-select-field>
         </div>
         <div class="ts-form__row">
           <pi-select-field
@@ -461,6 +476,9 @@ export class BoardPage {
     ],
   );
   protected readonly priorityOptions = options(PRIORITY);
+  protected readonly pointsOptions = pointOptions(POINT_SCALE);
+  /** Estimated points of the cards loaded in a column. */
+  protected pointsOf = (column: BoardColumn) => sumPoints(column.issues);
   protected readonly typeOptions = computed<SegmentedControlOption<string>[]>(
     () =>
       this.project
@@ -477,6 +495,7 @@ export class BoardPage {
     figmaUrl: '',
     priority: IssuePriority.MEDIUM as string,
     area: ALL as string,
+    storyPoints: '' as string,
     assigneeId: ALL as string,
     releaseId: ALL as string,
   });
@@ -648,6 +667,7 @@ export class BoardPage {
       figmaUrl: '',
       priority: IssuePriority.MEDIUM,
       area: ALL,
+      storyPoints: '',
       assigneeId: ALL,
       releaseId: this.releaseFilter() || ALL,
     });
@@ -669,6 +689,7 @@ export class BoardPage {
           : null,
       priority: v.priority as IssuePriority,
       area: v.area || null,
+      storyPoints: v.storyPoints === '' ? null : Number(v.storyPoints),
       assigneeId: v.assigneeId || null,
       releaseId: v.releaseId || null,
     });