Stage 10: admin console & dictionary ops (complaint review, hot-reload, broadcasts) (#11)

backend/README.md

@@ -73,8 +73,15 @@ uses to route out-of-app push to the Telegram connector, extends the Telegram lo
 seed a new account's language and display name from the launch fields, and adds
 migration `00007` (`accounts.notifications_in_app_only`, default true).
 Migration `00005` adds `accounts.is_guest`: an ephemeral guest is a durable row
-with no identity, excluded from statistics. The shared wire contracts live in the
-sibling [`../pkg`](../pkg) module.
+with no identity, excluded from statistics. **Stage 10** adds the server-rendered
+**admin console** at `/_gm` (`internal/adminconsole` + `internal/server/handlers_admin_console.go`;
+the gateway fronts it with Basic-Auth and a same-origin guard protects its POSTs), the
+**complaint resolution** lifecycle (migration `00008` adds `disposition`/`resolution_note`/
+`resolved_at`/`applied_in_version` + the `status` CHECK) feeding a dictionary-change
+pipeline, dictionary **hot-reload** from `BACKEND_DICT_DIR/<version>/`
+(`engine.OpenWithVersions` / `Registry.LoadAvailable`), and operator **broadcasts** via a
+backend Telegram-connector client (`internal/connector`, `BACKEND_CONNECTOR_ADDR`). The
+shared wire contracts live in the sibling [`../pkg`](../pkg) module.
 
 ## Package layout
 
@@ -94,6 +101,8 @@ internal/game/       # game domain: lifecycle, journal+cache, hint, word-check,
 internal/social/     # friend graph, per-user blocks, per-game chat + nudge, content filter
 internal/lobby/      # in-memory matchmaking pool (+ robot substitution) + friend-game invitations
 internal/robot/      # human-like robot opponent: account pool, seed-derived strategy, move driver
+internal/adminconsole/ # server-rendered admin console (Go templates + embedded CSS, view models), served at /_gm
+internal/connector/  # backend gRPC client to the Telegram connector (operator broadcasts)
 ```
 
 ## Configuration (environment)
@@ -123,6 +132,7 @@ internal/robot/      # human-like robot opponent: account pool, seed-derived str
 | `BACKEND_SMTP_USERNAME` | — | SMTP user; empty relays without authentication. |
 | `BACKEND_SMTP_PASSWORD` | — | SMTP password. |
 | `BACKEND_SMTP_FROM` | `no-reply@localhost` | Envelope/From address for confirm-codes. |
+| `BACKEND_CONNECTOR_ADDR` | — | Telegram connector gRPC address for admin-console operator broadcasts. Empty disables broadcasts. |
 
 ## Run