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11 commits

Author SHA1 Message Date
59b5550872 refactor: nest lifecycle slots per-party + add virtual top-level aggregators
May 2026 reshape. archive/ is now the only physical project-root
directory; working/, staging/, reviewing/ move from the project root
into each archive/<party>/ folder. Six top-level URLs become virtual
aggregators served via the cascade rather than disk:

  ssr/mdl/rsk           tables rollups across parties with a
                        synthesised $party source-party column
  working/staging/      browse folder-nav listings of parties with
  reviewing             non-empty content in the slot; per-party
                        URLs 302-redirect to archive/<party>/<slot>/

Mkdir at the project root is restricted to `archive` and `_`/`.`-
prefixed system names — virtual aggregator names and ad-hoc folders
return 409.

Plan Review hardcodes the scaffold convention (archive/<party>/
{reviewing,staging}/<tracking>/); the pre-reshape
on_plan_review.{reviewing_root,staging_root} cascade keys are dropped.

document_controller is now subtree-admin of every archive/<party>/
(not of project-root working/staging/ as before), so per-party
lifecycle slots inherit admin authority through the cascade.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-21 07:57:45 -05:00
e7f6334daa chore: retire mdedit tool — markdown editor lives in browse now
mdedit/ is gone. Its functionality moved into browse's preview plugin
(browse/js/preview-markdown.js) — YAML front matter editing, outline,
and on-demand DOCX/HTML/PDF download all happen there. Browse is the
default_tool for working/ + reviewing/ as of the previous commit, so
existing URLs of the form /<project>/working land on browse without
operator action.

Removed:

  • mdedit/ source tree (Toast UI app, CSS, JS, template, build.sh)
  • zddc/internal/apps/embedded/mdedit.html (//go:embed blob)
  • tests/mdedit.spec.js + the "mdedit" project in playwright.config.js
  • mdedit entries in zddc/internal/apps/embed.go (//go:embed, var,
    switch case in EmbeddedBytes)
  • "mdedit" in zddc/internal/zddc/validate.go AppNames + the matching
    error-message app list
  • "mdedit.html" branch in zddc/internal/apps/handler.go MatchAppHTML
  • mdedit case in tests (handler_test.go, validate_test.go,
    zddchandler_test.go) — test fixtures now use browse/classifier
  • mdedit from build (per-tool build.sh loop, tool-list literals,
    composer cards) and shared/build-lib.sh ZDDC_RELEASE_TOOLS
  • mdedit from freshen-channel's tool list and usage banner
  • mdedit-specific paragraphs in AGENTS.md and ARCHITECTURE.md;
    Markdown Editor section in ARCHITECTURE.md rewritten to point at
    browse/js/preview-markdown.js
  • mdedit from CLAUDE.md, README.md, zddc/README.md tool lists

Historical mdedit_v*.html / mdedit_v*.html.sig files in
/srv/zddc/releases/ on the deploy host are immutable history — they
stay where they are. The next ./build release cut will simply not
produce new mdedit_v* artifacts.
2026-05-13 10:34:31 -05:00
5e393cbeaf feat(zddc): Phase 3 completion — all canonical-folder behaviour now cascade-driven
Final consumer migration. The Go-coded lists that previously encoded
the ZDDC convention all defer to the .zddc cascade now.

Schema added:
  available_tools: [tool1, tool2, ...]   concat-union across cascade;
                                          tools not in the union are
                                          denied auto-route at that path
  auto_own_fenced: true|false             generated auto-own .zddc
                                          carries inherit:false (private
                                          to creator)

Lookups added:
  AvailableToolsAt(root, dir)   union of available_tools across cascade
  IsToolAvailableAt(root, dir, tool)
  AutoOwnFencedAt(root, dir)    leaf-only

Cascade semantics finalised (per field):
  default_tool      → leaf→root walk (parent applies to descendants)
  available_tools   → leaf→root union (each level adds; baseline at root)
  auto_own          → leaf-only (creating THIS dir specifically)
  auto_own_fenced   → leaf-only (same)
  virtual           → leaf-only (THIS dir is virtual, not subtree)

Consumers migrated:
  apps.DefaultAppAt        → zddc.DefaultToolAt
  apps.AppAvailableAt      → zddc.IsToolAvailableAt (+ landing special)
  EnsureCanonicalAncestors → AutoOwnAt + AutoOwnFencedAt
  fs.ListDirectory empty-list fallback     → zddc.IsDeclaredPath
  fs.virtualCanonicalFolders               → zddc.ChildrenDeclaredAt
  dispatcher canonical-folder branches     → unified into one
                                              cascade-declared block

Hardcoded helpers REMOVED (dead code):
  apps.inAncestorWithName
  zddc.autoOwnDepthMatch / isAutoOwnDepthMatch

Hardcoded lists kept as data sources for the cascade walker but
no longer drive routing logic:
  ProjectRootFolders / PartyFolders / AutoOwnCanonicalNames /
  VirtualOnlyCanonicalNames / IsProjectRootFolder / IsArchivePartyFolder /
  IsArchivePartyMdlDir — all still defined; only `ProjectRootFolders`
  is used by special.go's IsProjectRootFolder. The rest are dead.

Dispatcher unified: the previously-two branches (per-party folder vs
project-root folder) collapse into one cascade-declared-path block
that handles the slash/no-slash convention uniformly:
  - no-slash, default_tool=tables  → ServeTable (default-MDL fallback)
  - no-slash, default_tool set     → apps.Serve(tool)
  - no-slash, no default_tool      → 302 to slash form
  - slash, any                     → ServeDirectory empty-list fallback

The IsDir branch's switch also un-hardcoded — any cascade tool is
served (not just the legacy 3 names), so e.g. /Project/archive/<party>
/incoming (no slash) now serves classifier directly rather than 302'ing
to the slash form.

defaults.zddc.yaml populated with the canonical convention as the
recipe. Operators edit it (or override per-directory on disk) to
change any behaviour — no Go code changes required.

Browse drag-drop scope (working/staging/incoming) is the one remaining
client-side hardcoded regex; cascading that requires the cascade JSON
to be served to the client, which is its own Phase 4 piece.

Tests updated for the new no-slash mdl URL convention (landing MDL
card test) and no-slash stage URLs (nav strip test). All 248
Playwright + all Go tests green.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-11 15:36:33 -05:00
9d18047a46 feat(zddc): Phase 3 — DefaultToolAt cascade propagation + apps.DefaultAppAt migration
Two pieces:

1. Lookup helpers walk chain.Levels from leaf back to root. The
   "parent applies to descendants unless overridden" cascade rule
   means a working/ default_tool=mdedit propagates to deep paths
   like working/alice@example.com/notes/sub/deep without anyone
   declaring it at every level. AutoOwnAt and VirtualAt follow the
   same walk; explicit false at a descendant can override an
   ancestor's true (*bool semantics).

2. apps.DefaultAppAt delegates to zddc.DefaultToolAt. The hardcoded
   switch on parts[1] (archive→archive, staging→transmittal,
   working→mdedit, reviewing→mdedit, mdl→tables) and its case-
   sensitivity quirks now live in defaults.zddc.yaml. Operators can
   override any of these per-directory with an on-disk .zddc; no
   code change required.

Semantic improvement: archive/<party>/incoming previously defaulted
to "archive" (because parts[1]=archive and the switch didn't look
deeper). The new convention routes it to "classifier" — incoming/ is
the bulk-rename surface, not a record browser. Updated
availability_test.go to reflect.

All other DefaultAppAt cases — including case-fold (Archive/MDL),
mdl override, reviewing virtual, project root returning "", random
non-canonical names returning "" — produce bit-identical output.

Two new tests in lookups_test.go cover the propagation:
  - TestDefaultToolAt_PropagatesToDescendants
  - TestAutoOwnAt_DescendantCanDisable

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-11 15:05:36 -05:00
45005d164e feat(zddc-server): reviewing/ virtual aggregator + mdedit at the URL
Implements the reviewing/ aggregator described in the saved
project memory (~/.claude/projects/-home-user-src-zddc/memory/
project_reviewing_folder_design.md). reviewing/ stays in
VirtualOnlyCanonicalNames — never materialised on disk — and is
served as a join over archive/<party>/received/, archive/<party>/
issued/, and staging/, recomputed on every read.

Two depths, both trailing-slash:

  GET <project>/reviewing/?json=1
    → array of virtual <tracking>/ entries, one per submittal in
      archive/<party>/received/ that doesn't yet have a matching
      archive/<party>/issued/ entry. Sorted by tracking. URLs stay
      under reviewing/ so the user can drill into the per-submittal
      view. ACL: per-party, filtered like fs.ListDirectory.

  GET <project>/reviewing/<tracking>/?json=1
    → array of two virtual entries, received/ + staged/, with
      canonical URLs pointing back to archive/<party>/received/...
      and staging/... respectively. staged/ is omitted when no
      response draft exists yet.

When the response moves staging/ → archive/<party>/issued/, the
entry vanishes from depth-0 on the next listing. No mutation of
the reviewing/ subtree itself; pure join, recomputed on read.

Front-end at <project>/reviewing[/<tracking>/] is mdedit (per
user request). DefaultAppAt + AppAvailableAt extended to recognise
"reviewing" as a canonical mdedit-bearing folder. The polyfill in
shared/zddc-source.js is updated to follow listing entries' explicit
url field when present (absolute or root-relative) — that's how
mdedit's tree follows the depth-1 received/ + staged/ links into
the canonical archive/staging subtrees.

Dispatcher routing in zddc-server/main.go:
  - GET <project>/reviewing/[<tracking>/] with Accept: json
    → ServeReviewing
  - GET <project>/reviewing/[<tracking>/] with Accept: html
    → mdedit (rooted at the virtual path; polyfill fetches the
      JSON listing on its own)
  - GET <project>/reviewing (no slash) → mdedit (via DefaultAppAt)
  - GET <project>/reviewing/<tracking> (no slash) → 301 to slash form

Tests:
  - handler/reviewinghandler_test.go (6 cases): IsReviewingPath
    classification + ServeReviewing depth-0/depth-1 with and without
    staged drafts + 404 on unknown tracking + empty when archive/ is
    absent.
  - apps/availability_test.go updated: reviewing/ now expects mdedit
    rather than "" (no default).
  - cmd/zddc-server/main_test.go: TestDispatchEmptyCanonicalProjectFolders
    extended to assert reviewing → mdedit at the no-slash form;
    older "no-slash/reviewing → 301" test removed.

Future work (not in this commit): write translation. Editing a file
under reviewing/<tracking>/staged/<f>.md works today because the
polyfill rewrites to /<project>/staging/<response>/<f>.md before
fetching — the user's URL bar moves to the canonical path on click.
A virtual-filesystem mode where the URL bar stays under reviewing/
throughout would require server-side write rewriting (translate
PUT/DELETE on reviewing/.../staged/... into the canonical staging/
path). Not needed for the MVP — links in mdedit's tree work.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-09 21:37:08 -05:00
e6d9966593 refactor(tables): in-dir convention + unified table+form HTML bundle
Two intertwined refactors that share too many files to split cleanly.
Both are described separately below.

PART 1 — in-dir convention for table+form spec files

Old layout had the spec at the parent and rows in a child:

    archive/<party>/
      mdl.table.yaml         spec
      mdl.form.yaml          row-edit form
      mdl/                   rows-dir
        row-001.yaml ...

URLs were /<dir>/mdl.table.html and /<dir>/mdl.form.html. Copying
mdl/ elsewhere lost the spec and form because they lived next door.

New layout collapses everything into the rows-dir:

    archive/<party>/mdl/      self-contained
      table.yaml              spec
      form.yaml               row-edit form
      row-001.yaml ...        rows

URLs become /<dir>/mdl/table.html and /<dir>/mdl/form.html. The
"copying-the-folder-takes-everything" property the user asked for
falls out by construction; the row-edit URL /<dir>/<id>.yaml.html
keeps the same shape (spec is now in the same dir, not the
grandparent).

Server changes:

- internal/handler/tablehandler.go RecognizeTableRequest fires on
  /<dir>/table.html when <dir>/table.yaml exists. The .zddc.tables
  alias map is gone — pure presence-based discovery now matches
  the form system's existing convention. Default-MDL fallback at
  archive/<party>/mdl/ stays for the virgin-archive case (the
  rows-dir need not exist on disk; the URL renders fully virtually).

- internal/handler/formhandler.go RecognizeFormRequest fires on
  /<dir>/form.html and /<dir>/<id>.yaml.html with spec at
  <dir>/form.yaml. specEligible accepts on-disk files OR the
  default-MDL virtual path so an empty mdl/ dir still surfaces the
  add-row form.

- internal/handler/tablehandler.go IsDefaultMdlSpec moves to
  serving archive/<party>/mdl/{table,form}.yaml (5 segments after
  ZDDC_ROOT). New isAtArchivePartyMdlLevel predicate; new
  isAtArchivePartyMdlDir for directory-based recognition. New
  IsDefaultMdlSpecAbs accessor for callers that hold an abs path
  rather than a URL (formhandler).

- internal/handler/formhandler.go loadFormSpec(fsRoot, path) falls
  back to embedded default-MDL bytes when os.ReadFile returns
  NotExist AND the path matches the archive-party-mdl shape. Three
  call sites updated to pass cfg.Root.

- internal/handler/formhandler.go serveFormCreate writes
  submissions to filepath.Dir(req.SpecPath) — the spec, the form,
  and rows all live in one directory. The submissionsDir creation
  is idempotent (MkdirAll); cascade falls back one level for ACL
  evaluation when the dir hasn't been materialized yet.

- internal/handler/tablehandler.go tableRowsRedirect now points at
  /<dir>/table.html (was /<dir>.table.html) when the directory
  request maps to a recognized table.

- cmd/zddc-server/main.go dispatch synth flips from
  urlPath + ".table.html" to urlPath + "/table.html" for the
  no-trailing-slash → tables-app routing.

- internal/apps/availability.go DefaultAppAt comment clarified
  that the dir at archive/<party>/mdl/ IS the table (not a child).

Client changes:

- tables/js/context.js walkServer fetches <currentdir>/table.yaml
  directly — no .zddc walk for table declarations. Rows are every
  *.yaml in current dir EXCLUDING table.yaml and form.yaml. The
  .zddc fetch-for-aliases is gated on file:// (online mode 404s
  on .zddc reads via the dispatcher's reserve guard, so skipping
  the request avoids browser console noise).

- tables/js/main.js add-row button links to relative form.html
  (same dir).

- tables/js/render.js + filters.js: every column's autofilter is
  uniformly a text-contains input, even enum columns — keeps the
  filter row visually consistent and doesn't constrain users to
  the enum vocabulary.

PART 2 — unified table+form HTML bundle

The form-render and table-render code paths share field schemas,
the cell editor for excel-mode IS a form widget, and the form
system's POST-back / validation already exists. Combining the two
HTMLs eliminates duplicating jsyaml/jsonschema/theme/source-
detection/.zddc-parsing across two single-file tools.

- tables/template.html grows two top-level mode containers:
  #table-mode (toolbar + sortable table) and #form-mode (form +
  submit button). Both hidden at parse time; the dispatcher
  unhides one. The shared #form-context placeholder was added
  here so the server's existing injectFormContext target
  resolves.

- tables/js/mode.js (new) sets window.zddcMode synchronously
  based on URL pattern: /form.html or /<id>.yaml.html → form,
  /table.html → table, else inline-context fallback for
  file:// (whichever context blob is non-empty wins). Unhides
  the matching container at DOMContentLoaded.

- tables/js/main.js init() and form/js/main.js boot() each guard
  early when mode isn't theirs. Both apps live on different
  globals (window.tablesApp vs window.formApp) so module
  registration doesn't collide.

- form/js/main.js title write falls back from #form-title to
  #table-title (the unified bundle's shared header element)
  when the dedicated id isn't present.

- tables/build.sh concatenates form modules (widgets, render,
  object, array, errors, post, serialize, util) and form CSS.
  No new external deps. Bundle grows from ~95KB to ~120KB.

- internal/handler/formhandler.go drops the //go:embed form.html
  directive; serveFormRender now writes embeddedTablesHTML via
  a small formRenderHTML() accessor (var declared in
  tablehandler.go, same package). The embedded form.html file
  is removed.

- build script: cp form/dist/form.html → internal/handler/form.html
  step is gone (file no longer exists in the source tree). cp
  tables/dist/tables.html → internal/handler/tables.html now
  runs unconditionally rather than only on beta/stable cuts —
  the renderer is a fixed binary component and dev iteration
  needs the embedded copy refreshed every build. Channel-cascaded
  apps (internal/apps/embedded/) stay channel-gated as before.

- form/dist/form.html still builds for standalone offline-only
  use (downloadable from /releases/), but no longer goes into
  the binary.

Tests:

- internal/handler/tablehandler_test.go and formhandler_test.go
  rewritten for the in-dir layout. New test
  TestRecognizeFormRequest_DefaultMdlAtArchiveParty covers
  empty-form, create POST, re-edit row, and the negative cases
  (Working/, non-mdl name) where the fallback must NOT fire.

- internal/handler/directory_test.go updated for the new
  /<dir>/table.html redirect target.

- cmd/zddc-server/main_test.go TestDispatchSlashRouting Location
  expectation updated.

- tests/form-safety.spec.js loads tables/dist/tables.html
  (named form.html in the temp dir to trigger form-mode in the
  dispatcher) so it tests the same bytes the server returns.
  Title-element selector switches to #table-title.

- tests/tables.spec.js updates the status-filter test for the
  uniform text-input filter.

Docs:

- AGENTS.md form-data system rewrites the URL conventions and
  storage layout for in-dir; gains a Tables system section
  parallel to forms describing the self-contained-directory
  property; subfolder rules ("one table per folder by
  construction; subfolders allowed and silently ignored as rows
  — legitimate uses: nested sub-tables, per-row attachments,
  drafts, future history sidecars") so we don't re-derive this.

Not included (deferred):

- ACL gating on cell-level writes — not relevant until Phase 3.
- Editable cells UI — separate commit (Phase 1).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-09 09:15:26 -05:00
f7958d7b22 feat(dispatch): trailing slash → browse, no slash → canonical default tool
URL convention for directories under a project:

- <dir>/  (with trailing slash)  → browse (the directory view; same
                                     behaviour as today)
- <dir>   (without trailing slash) → the canonical default tool for
                                     that directory's context, served
                                     inline (no 301 hop)

Tool mapping via the new apps.DefaultAppAt(root, dir):

  - working/...               → mdedit
  - staging/...               → transmittal
  - archive/                  → archive
  - archive/<party>/          → archive
  - archive/<party>/incoming|received|issued/...  → archive
  - archive/<party>/mdl/...   → tables (the per-party MDL grid editor)

Directories outside the canonical layout (project root, scratch
folders) keep the legacy 301-to-trailing-slash redirect since no
default tool fits.

This generalises and replaces the bespoke
"GET archive/<party>/mdl/ → 302 mdl.table.html" redirect added in PR4.
The new dispatcher rule serves the table app inline at the bare-mdl
URL by routing through RecognizeTableRequest with the canonical
.table.html suffix appended; relative fetches resolve identically
because both URLs share the same parent directory.

Tests: TestDefaultAppAt covers all canonical positions plus
case-fold and out-of-tree edges. TestDispatchSlashRouting (replacing
the now-obsolete TestDispatchMdlRedirect) verifies the slash-vs-no-
slash distinction at every canonical folder + non-canonical
fallback.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-07 11:26:32 -05:00
9f97bfab3e feat(zddc)!: per-party WORM + auto-own; case-fold tool availability
BREAKING CHANGE. Project-level Issued/Received/Incoming folders no
longer carry special semantics. WORM enforcement and auto-ownership
move to the per-party canonical layout:

  - WORM mask now triggers on archive/<party>/received/ and
    archive/<party>/issued/ (any case, any party)
  - Auto-own .zddc writes on first mkdir under working/, staging/,
    or archive/<party>/incoming/ (any case)

Predicate API:
  - IsAutoOwnPath(parentDir, fsRoot)  — replaces IsAutoOwnParent(name)
  - IsWormPath(requestPath)           — same name, new pattern
  - WormFolderLevelIndex unchanged signature, new pattern

Legacy SpecialFolderNames / AutoOwnFolderNames / WormFolderNames /
IsAutoOwnParent are deleted (no Deprecated: stubs — early-development
project, no back-compat to preserve).

Tool availability (apps/availability.go) is case-fold throughout:
  - mdedit:     descendants of working/
  - transmittal: descendants of staging/
  - classifier: descendants of working/, staging/, or
                archive/<party>/incoming/
Working/, WORKING/, working/ all match identically.

Test fixtures rewritten:
  - special_test.go: covers IsAutoOwnPath / IsWormPath /
    WormFolderLevelIndex / ResolveCanonical / canonical lists
  - availability_test.go: per-party rules, case-fold scenarios
  - fileapi_test.go: rolePermissionsTestSetup now seeds
    Project-X/archive/Acme/{incoming,issued,received}/ rather than
    Vendor/{Incoming,Issued,Received}/ at the project root

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-07 09:14:19 -05:00
3115e388fc feat(server): authenticated CRUD + verb-based RBAC with WORM archive folders
Replaces the binary acl.allow/deny model with five permission verbs
(r/w/c/d/a) and first-class roles, and adds an authenticated file API
(PUT/DELETE/POST move/mkdir) so the HTML tools can edit-in-place over
HTTP. Closes the AC-3(7) and AC-6 federal-readiness gaps.

File API (zddc/internal/handler/fileapi.go)
  - PUT <new>      → action c
  - PUT <existing> → action w
  - PUT <.zddc>    → action a (CanEditZddc strict-ancestor rule)
  - DELETE         → action d
  - POST mkdir     → action c (auto-writes creator-owned .zddc when the
                     parent is Incoming/Working/Staging)
  - POST move      → action w on src + c on dst, atomic via os.Rename
  - Optional If-Match for optimistic concurrency, --max-write-bytes cap,
    audit log emits a structured file_write event per operation.

Permission model (zddc/internal/zddc/{acl,file,roles,cascade_mode}.go)
  - acl.permissions: { principal → verb-set } map; principals are email
    patterns or role names. Empty verb set is an explicit deny.
  - roles: { name → members } definitions, available at the level they
    declare and all descendants. Closer-to-leaf shadows ancestor.
  - Legacy acl.allow/deny still work; they fold into permissions at
    parse time (allow → "rwcd", deny → "").
  - Cascade walks leaf→root; first level with any matching entry wins;
    the union of matching verb sets at that level decides.
  - --cascade-mode=strict adds a root→leaf ancestor-deny pre-pass so an
    ancestor explicit-deny is absolute (NIST AC-6). Default delegated
    preserves the existing commercial behavior.

Special folders (zddc/internal/zddc/special.go)
  - Incoming / Working / Staging: mkdir auto-writes a .zddc into the new
    subdir granting created_by + that email rwcda directly. Same form
    operators write by hand; creator can edit it later to add others.
  - Issued / Received: server-enforced WORM split. Cascade grants
    inherited from above the WORM folder are masked to r only; grants
    placed at-or-below the WORM folder retain r,c. Operators grant
    write-once (cr) to the doc controller via an explicit .zddc at the
    Issued/Received folder. Admins exempt — only escape hatch.

Browser polyfill (shared/zddc-source.js)
  - HttpDirectoryHandle + HttpFileHandle implement the FS Access API
    surface (values, getFileHandle, createWritable, removeEntry,
    queryPermission/requestPermission) over zddc-server's listing JSON
    and file API. Existing tools written against showDirectoryPicker
    work unchanged.
  - detectServerRoot() returns { handle, status }: tools auto-load on
    HTTP, surface a clear "no permission to list" message on 403, and
    fall back to the welcome screen on 0.
  - classifier renames take the atomic POST move path on HTTP-backed
    handles; mdedit and transmittal route reads/writes through the
    polyfill so prior FS-API code paths cover both modes.

Tests
  - zddc/internal/zddc/{cascade_mode,roles,special,acl}_test.go cover
    delegated vs strict, role membership / shadowing / legacy fallback,
    WORM split semantics, verb-set parser round-trip.
  - zddc/internal/handler/fileapi_test.go now also covers role-based
    vendor scenarios, WORM blocking vendor & doc controller writes,
    explicit Issued .zddc unlocking the cr drop-box, admin bypass,
    auto-ownership on mkdir, and strict-mode lockouts.

Docs
  - ARCHITECTURE.md + zddc/README.md document the verb model, role
    syntax, special-folder behaviors, cascade-mode flag, and full file
    API surface. Federal-readiness gap analysis strikes AC-3(7) and
    AC-6.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-05 15:58:04 -05:00
fb13ff4fd8 feat(browse): generic directory listing tool — default at folder URLs
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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).
2026-05-03 19:56:51 -05:00
8b6a2dc3e3 feat(zddc-server): apps fetch+cache subsystem with cascade overrides
Adds internal/apps/ package serving the five tool HTMLs at virtual paths
based on the surrounding folder name convention:

  archive      every directory (multi-project, project, archive, vendor)
  classifier   any Incoming/Working/Staging directory and subtree
  mdedit       any Working directory and subtree
  transmittal  any Staging directory and subtree
  landing      only at deployment root

The current-stable build of every tool is //go:embed'd into the binary
at compile time — that's the default with zero config. Operators
override per-directory via .zddc apps: entries; closer-to-leaf wins.

Spec syntax (in any apps: value):

  stable / beta / alpha / :stable          channel
  v0.0.4 / v0.0 / v0 / :v0.0.4              version
  https://my-mirror/releases                URL prefix only
  https://my-mirror/releases:beta           URL prefix + channel
  https://my-fork/archive.html              terminal full URL
  ./local.html / /abs/path.html             terminal local path

The special apps.default key provides a baseline URL prefix and channel
inherited by any app not overridden per-name. Per-axis cascade: a deeper
.zddc can override the URL, the channel, or both.

Cascade walks root→leaf; default applies first at each level, then the
per-app entry. Terminal sources (paths and full .html URLs) short-circuit
composition; deeper non-terminal entries override parent terminals.

URL sources fetch once on first request and cache forever in
<ZDDC_ROOT>/_app/<host>/<path> — different upstreams with the same
filename stay distinct. No background refresh, no SHA-256 verification:
operators delete the cache file to force a refetch. Concurrent misses
for the same source dedupe via a 30-line hand-rolled singleflight.

Per-request override: any user can append ?v=<spec> to a tool URL
(e.g. ?v=beta, ?v=v0.0.4, ?v=:alpha, ?v=https://mirror/releases:beta)
to ask for a different build for one request. Security: ?v= serves
ONLY versions already in the cache (cache miss returns 404; path
sources are rejected outright with 400). Users cannot trigger
arbitrary upstream fetches via crafted URLs.

Failed URL fetches (network down, 5xx) fall back to embedded with a
one-time WARN log. The X-ZDDC-Source response header reports what
served: fetch:URL / cache:URL / path:/abs / embedded:<app>@<build>.

Wire-in (cmd/zddc-server/main.go): dispatch routes <dir>/<app>.html
through apps.MatchAppHTML + AppAvailableAt + apps.Server.Serve when
no real file exists. Direct URL access to /_app/... is blocked at
the dispatch layer — cached files must go through the apps resolver
so they get correct Content-Type and ACL gating.

Schema (internal/zddc/file.go): ZddcFile gains Apps map[string]string
for cascade overrides. Validator (internal/zddc/validate.go) accepts
the special "default" key alongside the five canonical app names and
all spec forms.

Removes ZDDC_APPS_* env vars (no admin UI, no refresh interval, no
upstream allow-list — the simpler model has fewer knobs).

40+ unit tests across the new package: parser shapes, cascade
resolution with default+per-app interactions, terminal short-circuit
semantics, ?v= cache-only enforcement, embedded fallback, atomic
cache writes, singleflight dedup. Plus end-to-end dispatch tests in
cmd/zddc-server/main_test.go.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-01 15:25:25 -05:00