ADDED Requirements

Requirement: Full-text task search

The system SHALL return tasks whose title or description match a free-text query, limited to projects the requesting user is a member of.

Scenario: Match in title

• WHEN a member searches for "invoice"
• THEN results include every accessible task whose title contains "invoice" or a stemmed variant such as "invoices"

Scenario: Inaccessible project

• WHEN a task matching the query belongs to a project the user is not a member of
• THEN that task is not included in the results

Scenario: Empty query

• WHEN a member submits a query that is empty after trimming whitespace
• THEN the system responds with a 422 validation error

Requirement: Search result ranking

Search results MUST be ordered by relevance score, with ties broken by most recently updated first, and SHALL return at most 25 results per page.

Scenario: Title match outranks description match

• WHEN task A matches the query in its title and task B matches only in its description
• THEN task A appears before task B

Scenario: Tie broken by recency

• WHEN two tasks have the same relevance score
• THEN the more recently updated task appears first