ZDDC
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A new HTML tool — browse — that lists the contents of any directory.
Designed for ZDDC archives but no ZDDC-specific filtering; just a
straight folder browser with expand/collapse, sort, and name filter.
Modes (auto-detected at page load):
- Online: when served by zddc-server at a folder URL, queries
the same URL with Accept: application/json to load the listing
and renders it. Auto-served as the default at any directory
under ZDDC_ROOT without an index.html (replacing the previous
minimal-HTML stub from directory.go).
- Local: 'Select Directory' button uses FileSystemAccessAPI to
pick any folder on disk; works in Chromium-based browsers.
Features (Phase 1 — what's in this commit):
- Tree view with lazy-loaded folders (children fetched on first
expand).
- Sort by name / size / extension / date (column header click).
- Filter by name substring (toolbar input).
- File click opens in a new tab — for server-backed pages,
routes through zddc-server's normal handler so .archive
redirects + apps cascade overrides + ACL all apply.
Phase 2 deferred:
- ZIP files inline expansion (treat archive entries as virtual
children).
- File preview popup (reuse shared/preview-lib.js).
- Extension multi-select filter.
Wiring:
- browse/ added to top-level ./build's per-tool list, embed
block, versions.txt, and the lockstep release commit + tag set.
All seven tools (archive, transmittal, classifier, mdedit,
landing, form, browse) advance together on stable cuts.
- shared/build-lib.sh: browse added to ZDDC_RELEASE_TOOLS and
verify_channel_links's per-tool loop.
- zddc/internal/apps/embed.go: //go:embed browse.html +
EmbeddedBytes("browse") case.
- zddc/internal/apps/availability.go: browse available at every
directory (same as archive).
- zddc/internal/apps/handler.go: MatchAppHTML routes
/<dir>/browse.html → 'browse'.
- zddc/internal/handler/directory.go: when a directory request
arrives with Accept: text/html and no index.html exists,
serve the embedded browse.html bytes (with a JSON-fallback
if the embedded slot is empty during bootstrap).
|
||
|---|---|---|
| .forgejo/workflows | ||
| archive | ||
| browse | ||
| classifier | ||
| form | ||
| helm | ||
| landing | ||
| mdedit | ||
| pandoc | ||
| shared | ||
| tests | ||
| transmittal | ||
| zddc | ||
| .gitignore | ||
| AGENTS.md | ||
| ARCHITECTURE.md | ||
| build | ||
| CLAUDE.md | ||
| deploy | ||
| dev-server | ||
| freshen-channel | ||
| LICENSE.txt | ||
| package.json | ||
| playwright.config.js | ||
| README.md | ||
Zero Day Document Control (ZDDC)
The Universal Distributed Filing Cabinet
ZDDC is an information management convention plus a small set of single-file HTML tools. Every deliverable's filename encodes its tracking number, revision, status, and title; every transmittal folder is date-prefixed and self-describing. A plain shared folder becomes a fully searchable, auditable archive — no server, no database, no software required to read it.
The name "Zero Day Document Control" comes from the convention itself — adopt it on day zero of a project, with no setup time. The tools are optional interfaces around the structure; the structure works without them.
For end users: https://zddc.varasys.io/ introduces the project, links to all tool channels (stable / beta / alpha), and prints copy-paste shell snippets to install on a self-hosted deployment.
Tools
| Tool | What it does |
|---|---|
| Archive Browser | Browse, search, and filter a project archive folder. Group by transmittal, export selections as ZIP. |
| Transmittal Creator | Self-contained HTML transmittal records with SHA-256 checksums and optional digital signatures. |
| Document Classifier | Spreadsheet-like bulk-renamer that copy/pastes with Excel and writes back to disk. |
| Markdown Editor | Browser-based markdown editor with YAML front matter, TOC, and direct local file access. |
Each tool is published in three channels (stable, beta, alpha) as static files served from https://zddc.varasys.io/releases/. Local use: download a .html file from releases/ and open it in a browser. Server use: run zddc-server — the current-stable build of every tool is baked into the binary at compile time, so a fresh deployment Just Works with zero config. Tools auto-appear at folder-name-driven paths (archive everywhere; classifier in Incoming/Working/Staging; mdedit in Working; transmittal in Staging). Override per-directory by writing an apps: entry in any .zddc file (channel/version/URL/path). URL overrides are fetched once and cached in <ZDDC_ROOT>/_app/; drop a real .html file at any path to override entirely.
File-naming convention
The full specification — filename format, tracking numbers, revision rules, status codes, folder naming, and the transmittal workflow — lives at https://zddc.varasys.io/reference.html.
Quick example: 123456-EL-SPC-2623_A (IFR) - Specification For Switchgear.pdf
Build & develop
git clone https://codeberg.org/VARASYS/ZDDC.git && cd ZDDC
sh build.sh # build all tools (writes to dist/ only)
sh archive/build.sh # build one tool
sh archive/build.sh --release # cut stable; auto-bumps patch from last tag
sh archive/build.sh --release 0.1.0 # explicit version
sh archive/build.sh --release alpha # cut alpha (mutable channel, no tag)
sh archive/build.sh --release beta # cut beta
npm install && npx playwright install chromium && npm test # tests
./dev-server start # cache-busting HTTP on :8000
Authoritative build/release docs are in AGENTS.md. Architecture notes (single-file rationale, JS module pattern, security model) are in ARCHITECTURE.md. zddc-server (optional Go HTTP server with ACL and a virtual archive index) is in zddc/README.md. Example Helm charts for deploying zddc-server (production + dev) are under helm/.
Contributing
ZDDC is an open source project hosted on Codeberg at https://codeberg.org/VARASYS/ZDDC. Bug reports, feature requests, and pull requests welcome.
ZDDC is designed for zero configuration to start and minimal configuration overall — feature proposals are filtered through that lens.
License
GNU Affero General Public License v3.0. Free to use, modify, and distribute, including commercially, under the terms of the license. Provided "as is" without warranty.