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feat(admin): online dictionary update — upload archive, preview word diff, install & activate
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Replace the dictionary hot-reload with an online update flow in the GM console
(/_gm/dictionary): the operator uploads scrabble-dawg-vX.Y.Z.tar.gz, previews the
per-variant words added/removed against the active dictionary, and confirms to
install + activate it. Versions are immutable; in-progress games keep their pinned
version while new games use the new one.

- engine: DiffWords (enumerate both DAWGs, decode only the differences), OpenFinder,
  Registry.Finder, DictFiles; OpenWithVersions skips the .staging area.
- dictadmin: hardened release-archive validation + extraction (path-traversal,
  symlink, oversize, entry-count rejection) and staging -> install (atomic rename).
- game: active dictionary version persisted in the dictionary_state singleton
  (single source of truth, restored on boot), concurrency-safe accessor.
- storage: BACKEND_DICT_DIR is a named volume seeded from the image (nonroot-owned),
  so uploaded versions persist across redeploys; the build's DICT_VERSION labels the
  seed and equals the resident tag (BACKEND_DICT_VERSION).
- docs: ARCHITECTURE §5, FUNCTIONAL (+ru), backend README, TESTING, PRERELEASE.

Tests: engine + dictadmin unit; integration upload->preview->install->activate->
restart->pin->immutability->CSRF.
This commit is contained in:
Ilia Denisov
2026-06-13 23:29:06 +02:00
parent 5ff07da025
commit 0f3671f42d
31 changed files with 1590 additions and 78 deletions
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backend/internal/server/server.go
+4 -3
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@@ -63,9 +63,10 @@ type Deps struct {
// Links drives account linking & merge: the /api/v1/user/link
// endpoints. A nil Links disables them.
Links *link.Service
// Registry holds the resident dictionaries; the admin console reads
// its versions and hot-reloads new ones. DictDir is the dictionary directory a
// reload reads a version subdirectory from. A nil Registry disables the console.
// Registry holds the resident dictionaries; the admin console reads its
// versions and installs new ones uploaded through it. DictDir is the dictionary
// directory the console stages uploads in and writes version subdirectories to.
// A nil Registry disables the console.
Registry *engine.Registry
DictDir string
// Connector is the backend's Telegram connector client for operator broadcasts;