docs: update all docs to reflect current trading module state

Trading module now VN stocks only with dynamic symbol resolution.
Update test counts (105), remove crypto/gold/forex references from
project-level docs, update architecture file tree descriptions.

README.md

@@ -10,7 +10,7 @@ Modules are added or removed via a single `MODULES` env var. Each module registe
 - **Three visibility levels out of the box.** Public commands show in Telegram's `/` menu and `/help`; protected show only in `/help`; private are hidden slash-command easter eggs. One namespace, loud conflict detection.
 - **Storage is swappable.** Modules talk to a small `KVStore` interface — Cloudflare KV today, a different backend tomorrow, with a one-file change.
 - **Zero admin surface.** No in-Worker `/admin/*` routes, no admin secret. `setWebhook` + `setMyCommands` run at deploy time from a local node script.
-- **Tested.** 110 vitest unit tests cover registry, storage, dispatcher, help renderer, validators, HTML escaping, and the trading module.
+- **Tested.** 105 vitest unit tests cover registry, storage, dispatcher, help renderer, validators, HTML escaping, and the trading module.
 
 ## How a request flows
 
@@ -54,7 +54,7 @@ src/
 │   ├── dispatcher.js    # wires every command via bot.command()
 │   ├── validate-command.js
 │   ├── util/            # /info, /help (fully implemented)
-│   ├── trading/         # fake paper trading — crypto, stocks, forex, gold
+│   ├── trading/         # paper trading — VN stocks (dynamic symbol resolution)
 │   ├── wordle/          # stub — proves plugin system
 │   ├── loldle/          # stub
 │   └── misc/            # stub

docs/architecture.md

@@ -29,7 +29,7 @@ src/
 │   ├── dispatcher.js        ── bot.command() for every visibility
 │   ├── validate-command.js  ── shared validators
 │   ├── util/                ── fully implemented: /info + /help
-│   ├── trading/             ── paper trading: crypto, VN stocks, forex, gold
+│   ├── trading/             ── paper trading: VN stocks (dynamic symbol resolution)
 │   ├── wordle/ loldle/      ── stub modules proving the plugin system
 │   └── misc/                ── stub that exercises the DB (ping/mstats)
 └── util/
@@ -278,7 +278,7 @@ A previous design sketched a `POST /admin/setup` route inside the Worker, gated
 
 ## 12. Testing philosophy
 
-Pure-logic unit tests only. No `workerd` pool, no Telegram fixtures, no integration-level tooling. 110 tests run in ~500ms.
+Pure-logic unit tests only. No `workerd` pool, no Telegram fixtures, no integration-level tooling. 105 tests run in ~500ms.
 
 Test seams:
 

docs/code-standards.md

@@ -33,7 +33,7 @@ Run `npm run format` before committing.
 - **Files:** lowercase, hyphens for multi-word (`stats-handler.js`, `fake-kv-namespace.js`)
 - **Directories:** lowercase, single word preferred (`trading/`, `util/`)
 - **Functions/variables:** camelCase
-- **Constants:** UPPER_SNAKE_CASE for frozen config objects (`SYMBOLS`, `CURRENCIES`)
+- **Constants:** UPPER_SNAKE_CASE for frozen config objects (e.g. `CURRENCIES`)
 - **Command names:** lowercase + digits + underscore, 1-32 chars, no leading slash
 
 ## Module Conventions

docs/codebase-summary.md

@@ -20,7 +20,7 @@ Telegram bot on Cloudflare Workers with a plug-n-play module system. grammY hand
 | Module | Status | Commands | Description |
 |--------|--------|----------|-------------|
 | `util` | Complete | `/info`, `/help` | Bot info and command help renderer |
-| `trading` | Complete | `/trade_topup`, `/trade_buy`, `/trade_sell`, `/trade_convert`, `/trade_stats` | Paper trading with crypto, VN stocks, forex, gold |
+| `trading` | Complete | `/trade_topup`, `/trade_buy`, `/trade_sell`, `/trade_convert`, `/trade_stats` | Paper trading — VN stocks with dynamic symbol resolution. Crypto/gold/forex coming soon. |
 | `misc` | Stub | `/ping`, `/mstats`, `/fortytwo` | Health check + DB demo |
 | `wordle` | Stub | `/wordle`, `/wstats`, `/konami` | Placeholder for word game |
 | `loldle` | Stub | `/loldle`, `/ggwp` | Placeholder for LoL game |
@@ -57,11 +57,11 @@ Each module maintains its own `README.md` with commands, data model, and impleme
 
 ## Test Coverage
 
-110 tests across 11 test files:
+105 tests across 11 test files:
 
 | Area | Tests | What's Covered |
 |------|-------|---------------|
 | DB layer | 19 | KV store, prefixing, JSON helpers, pagination |
 | Module framework | 33 | Registry, dispatcher, validators, help renderer |
 | Utilities | 4 | HTML escaping |
-| Trading module | 54 | Symbols, formatters, portfolio CRUD, all 5 command handlers |
+| Trading module | 49 | Dynamic symbol resolution, formatters, flat portfolio CRUD, command handlers |