Interview scheduling, a Kanban board view, People Search inside Job Details, and a richer Candidate Evaluation replacing the old Ranking system.

✨ New

• 📅 Interview scheduling — a full scheduling editor with customisable meeting links and configuration options.
• 🗂️ Kanban view — view candidates in a drag-and-drop board organised by stage. Available alongside the list and card views.
• 🔍 People Search inside the Job Details page — search for matching candidates from external databases without leaving the job view.
• 🏆 Candidate Evaluation — new scoring UI with progress indicators and richer assessment options. (Renamed from "Ranking" across the app.)
• 🗑️ Bulk candidate deletion with a confirmation step.
• 📄 Multi-source filtering in the Basic candidates filter.
• 📁 Resume upload limits — a clear message is shown when the limit is reached.

🔧 Improved

• Feature access tooltips updated across the app.
• Upload date shows the most recent edit.
• Candidate table scrolls correctly with expandable rows.
• Email links generated more reliably.
• Activity feed correctly distinguishes "added for" vs. "applied for" a job.

🐛 Fixed

• Discount calculations now correctly account for unit cost and tax.