v0.1.1

Added

• tb init — interactive first-time setup for issuer info and invoice defaults
• tb client add/list/delete — client management with interactive prompts and --force delete
• tb project add/list/delete — project management with hourly and fixed billing types
• tb start/stop/switch/now/cancel — timer tracking with optional backdating (--at)
• tb log — manual session entry by duration
• tb report — hours and earnings grouped by project, filterable by week/month/date range
• tb invoice create/preview/list/show/open — invoice generation with HTML rendering
• tb invoice mark-sent/mark-paid/delete — invoice lifecycle management
• tb invoice delete now requires --force for sent/paid invoices and unmarks sessions on deletion so they can be re-invoiced
• tb export — session export to CSV or JSON
• tb config show/edit — config inspection and editing
• Shell completion for project IDs, client IDs, and invoice numbers (bash and zsh)
• Per-client invoice number sequences stored in SQLite
• Cross-platform HTML invoice rendering with embedded CSS (print-ready A4)
• Local SQLite storage via modernc.org/sqlite (no CGO required)