feat: saved board views and richer board filters

The board now filters by text, type, priority and unassigned tickets as
well. Any combination can be saved as a named view, private or shared with
the project, and opened again with one click.

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

libs/web/tracker/domain/src/index.ts

@@ -5,3 +5,4 @@ export * from './lib/models/workflow';
 export * from './lib/ports/gateways';
 export * from './lib/models/mentions';
 export * from './lib/models/hierarchy';
+export * from './lib/models/views';

libs/web/tracker/domain/src/lib/models/inputs.ts

@@ -76,6 +76,14 @@ export interface MyIssuesFilter {
 export interface BoardFilter {
   projectId: string;
   assigneeId?: string;
+  /** Only tickets nobody has (wins over `assigneeId`). */
+  unassigned?: boolean;
   releaseId?: string;
   area?: string;
+  /** Ticket type ids. */
+  types?: string[];
+  priorities?: IssuePriority[];
+  labels?: string[];
+  /** Matches key, title or description. */
+  search?: string;
 }

libs/web/tracker/domain/src/lib/models/models.ts

@@ -70,6 +70,29 @@ export interface Epic {
   progress: ChildProgress;
 }
 
+/** What a saved view narrows the board to; empty: everything. */
+export interface SavedFilterCriteria {
+  types?: string[] | null;
+  areas?: string[] | null;
+  priorities?: IssuePriority[] | null;
+  assigneeId?: string | null;
+  unassigned?: boolean | null;
+  releaseId?: string | null;
+  labels?: string[] | null;
+  search?: string | null;
+}
+
+/** A named view of the board: private, or shared with the project. */
+export interface SavedFilter {
+  id: string;
+  projectId: string;
+  owner: UserRef;
+  name: string;
+  shared: boolean;
+  criteria: SavedFilterCriteria;
+  createdAt: string;
+}
+
 /** What boards and lists show. */
 export interface IssueSummary {
   id: string;

libs/web/tracker/domain/src/lib/models/views.spec.ts

@@ -0,0 +1,43 @@
+import { IssuePriority } from './enums';
+import { boardFilterOf, criteriaOf, sameCriteria } from './views';
+
+describe('saved views', () => {
+  it('turns a board filter into criteria and back', () => {
+    const filter = {
+      projectId: 'p1',
+      assigneeId: 'u1',
+      area: 'FRONTEND',
+      types: ['BUG'],
+      priorities: [IssuePriority.HIGH],
+      search: '  login ',
+    };
+    const criteria = criteriaOf(filter);
+    expect(criteria).toEqual({
+      assigneeId: 'u1',
+      areas: ['FRONTEND'],
+      types: ['BUG'],
+      priorities: [IssuePriority.HIGH],
+      search: 'login',
+    });
+    expect(boardFilterOf('p1', criteria)).toEqual({
+      ...filter,
+      search: 'login',
+    });
+  });
+
+  it('prefers "nobody" over a person', () => {
+    expect(
+      criteriaOf({ projectId: 'p', unassigned: true, assigneeId: 'u' }),
+    ).toEqual({ unassigned: true });
+  });
+
+  it('compares criteria regardless of list order and empty values', () => {
+    expect(
+      sameCriteria(
+        { types: ['BUG', 'QA'], labels: [], search: null },
+        { types: ['QA', 'BUG'] },
+      ),
+    ).toBe(true);
+    expect(sameCriteria({ types: ['BUG'] }, {})).toBe(false);
+  });
+});

libs/web/tracker/domain/src/lib/models/views.ts

@@ -0,0 +1,57 @@
+import { BoardFilter } from './inputs';
+import { SavedFilterCriteria } from './models';
+
+const has = <T>(values?: T[] | null): values is T[] => !!values?.length;
+
+/** The board filter as saved criteria (no project, nothing empty). */
+export function criteriaOf(filter: BoardFilter): SavedFilterCriteria {
+  const criteria: SavedFilterCriteria = {};
+  if (filter.unassigned) criteria.unassigned = true;
+  else if (filter.assigneeId) criteria.assigneeId = filter.assigneeId;
+  if (filter.releaseId) criteria.releaseId = filter.releaseId;
+  if (filter.area) criteria.areas = [filter.area];
+  if (has(filter.types)) criteria.types = [...filter.types];
+  if (has(filter.priorities)) criteria.priorities = [...filter.priorities];
+  if (has(filter.labels)) criteria.labels = [...filter.labels];
+  if (filter.search?.trim()) criteria.search = filter.search.trim();
+  return criteria;
+}
+
+/** Saved criteria as the board filter of a project. */
+export function boardFilterOf(
+  projectId: string,
+  criteria: SavedFilterCriteria,
+): BoardFilter {
+  const filter: BoardFilter = { projectId };
+  if (criteria.unassigned) filter.unassigned = true;
+  else if (criteria.assigneeId) filter.assigneeId = criteria.assigneeId;
+  if (criteria.releaseId) filter.releaseId = criteria.releaseId;
+  if (has(criteria.areas)) filter.area = criteria.areas[0];
+  if (has(criteria.types)) filter.types = [...criteria.types];
+  if (has(criteria.priorities)) filter.priorities = [...criteria.priorities];
+  if (has(criteria.labels)) filter.labels = [...criteria.labels];
+  if (criteria.search?.trim()) filter.search = criteria.search.trim();
+  return filter;
+}
+
+/** Whether two filters show the same tickets (order of lists aside). */
+export function sameCriteria(
+  a: SavedFilterCriteria,
+  b: SavedFilterCriteria,
+): boolean {
+  const norm = (c: SavedFilterCriteria) =>
+    JSON.stringify(
+      Object.entries(c)
+        .filter(
+          ([, v]) =>
+            v !== null &&
+            v !== undefined &&
+            v !== '' &&
+            v !== false &&
+            !(Array.isArray(v) && !v.length),
+        )
+        .map(([k, v]) => [k, Array.isArray(v) ? [...v].sort() : v])
+        .sort(([x], [y]) => String(x).localeCompare(String(y))),
+    );
+  return norm(a) === norm(b);
+}

libs/web/tracker/domain/src/lib/ports/gateways.ts

@@ -5,6 +5,8 @@ import {
   BoardColumn,
   Comment,
   Epic,
+  SavedFilter,
+  SavedFilterCriteria,
   CommandResult,
   Issue,
   IssuePage,
@@ -124,6 +126,18 @@ export abstract class IssuesGateway {
   ): Observable<CommandResult>;
 }
 
+/** Saved views of a project's board (mine and the shared ones). */
+export abstract class SavedFiltersGateway {
+  abstract list(projectId: string): Observable<SavedFilter[]>;
+  abstract save(input: {
+    projectId: string;
+    name: string;
+    shared: boolean;
+    criteria: SavedFilterCriteria;
+  }): Observable<string>;
+  abstract remove(id: string): Observable<void>;
+}
+
 export abstract class CommentsGateway {
   abstract list(issueId: string): Observable<Comment[]>;
   abstract add(issueId: string, body: string): Observable<CommandResult>;