- Add PageMeta struct and read_page_meta() to app.rs with Gregorian date math
- App::new() computes initial page_meta from vault path + current_path
- navigate_to/back/forward all prepend splash lines and offset link_records for index.md
- handle_resize re-prepends splash for index.md after re-render
- Initial index.md load in main.rs prepends splash and adjusts link_records
- Status bar right side now shows 'Last modified: Mon DD, YYYY | X.X KB'
- Graceful truncation loop drops metadata fields when status bar is too narrow
- Add HistoryEntry struct with path, scroll_offset, selected_link fields
- Add Phase 3 navigation fields to App: history, history_index, link_records, selected_link, current_path
- Update App::new() to accept link_records and current_path parameters
- Implement navigate_to() with browser-style forward history truncation
- Implement navigate_back() and navigate_forward() with state restoration
- Implement follow_selected_link() for wiki-link and standard link resolution
- Implement select_next_link() and select_prev_link() with wrap-around
- Implement scroll_to_selected_link() for auto-scroll centering
- Add Tab, Shift-Tab, Enter, Backspace, Alt+Left, Alt+Right key bindings
- Update handle_resize() to capture and validate link_records after re-render
- Update main.rs to destructure link_records and pass to App::new()
- Remove #[allow(dead_code)] on config field (now actively used)
ruohki
