epic: navigation and search

[nextestudios]

Summary

Recursive search and filters, favorites, recent items, tabs, path editing, folder size and dual-pane management.

Motivation

Reaching the right folder quickly is essential with a controller.

Scope (in recommended order)

• feat: add recursive file search #46 — feat: add recursive file search (priority: high)
• feat: add file search filters #47 — feat: add file search filters (priority: medium)
• feat: add favorites for folders #48 — feat: add favorites for folders (priority: high)
• feat: add recent folders and recent files #49 — feat: add recent folders and recent files (priority: high)
• feat: add file navigation tabs #50 — feat: add file navigation tabs (priority: high)
• feat: persist open tabs between sessions #51 — feat: persist open tabs between sessions (priority: medium)
• feat: restore recently closed tabs #52 — feat: restore recently closed tabs (priority: low)
• feat: duplicate a file navigation tab #53 — feat: duplicate a file navigation tab (priority: low)
• feat: edit the current path with the virtual keyboard #54 — feat: edit the current path with the virtual keyboard (priority: medium)
• feat: calculate folder size on demand #55 — feat: calculate folder size on demand (priority: medium)
• feat: add dual-pane file management #56 — feat: add dual-pane file management (priority: medium)

Dependencies

• enhancement: redesign the virtual keyboard layout after the PS5 structural model #41 (M3) → feat: add recursive file search #46 → feat: add file search filters #47
• feat: add file navigation tabs #50 → feat: persist open tabs between sessions #51, feat: restore recently closed tabs #52, feat: duplicate a file navigation tab #53
• feat: copy files and folders #13 + feat: move files and folders (same-volume rename, cross-volume copy then delete) #14 (M1) → feat: add dual-pane file management #56
• feat: calculate folder size on demand #55 → feat: add disk usage analysis #72 (M7)

Acceptance Criteria

• Every issue in the scope is closed or explicitly moved out of the milestone with a reason.
• PROGRESS.md, both changelogs and the relevant docs reflect what shipped.

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Tracking issue for milestone 4 · Navigation & Search. Priority: high.