Replaces the full depth-first "scan everything, then render once + expandAll +
selectAll" walk (which looked stalled and was a render bomb on a large network
drive) with a progressive, breadth-first scan:
- Walks level-by-level behind a bounded worker pool (6), rendering as it goes —
the top folder levels appear immediately, deeper levels fill in the
background. Workers await between directories so the UI stays responsive.
- Live status line under the tree header: "Scanning… N folders · M files —
<current path>", ending "Scanned … in Ts."
- Per-folder state machine (pending → scanning → children → done) with
immediate subfolder/file counts; the row is greyed (with a faint pulse) until
its whole subtree is scanned, then turns solid — the at-a-glance signal.
- Opening a folder jumps its subtree to the front of the scan (ensureScanned),
so an opened folder always shows complete contents; idempotent vs the
background walk.
- No more auto-expand/auto-select-all (that loaded the entire drive up front);
the root is selected so the grid shows its files immediately.
- ZIPs stay expandable, scanned inline into virtual nodes (already in memory
once read); whole zip subtree marked done at once.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
classifier/js/tree.js was inserting a <div class="empty-state">No
folders found</div> inside the folder-tree pane when the tree was
empty. That conflicted with the shared .empty-state rule promoted
in the previous commit — which expects an outer flex container with
a child .empty-state__inner card, used for the top-level welcome
overlay.
The two usages aren't the same thing semantically (one is the
welcome screen; one is a tiny inline "list is empty" placeholder
inside the folder tree). Rename the inline one to .tree-empty to
remove the collision. The spreadsheet.css rule that targeted the
old class is renamed to match; same padding/text-align/color.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
ZDDC — Zero Day Document Control. A file-naming convention plus five
single-file HTML tools (archive, transmittal, classifier, mdedit,
landing) and an optional Go HTTP server (zddc-server) with ACL and a
virtual archive index. Self-contained, offline-capable, dependency-free.
See README.md for an overview, AGENTS.md and ARCHITECTURE.md for the
build/release/architecture detail, bootstrap/README.md for the
two-level deployment install pattern, and zddc/README.md for the
HTTP server.
