Run the dev server and Vite with bun run --parallel

docs/development.md

@@ -16,8 +16,13 @@ bun run dev
 the server on :8080 and the web app with hot reload on :5173 (it proxies `/api`). Open
 http://localhost:5173. Data goes to `./.data`. `WF_DEV_UI` (set by `bun run dev`) names the Vite
 server the binary redirects to while no web app is built in; it is a development setting only.
-Ctrl+C, closing the terminal or a SIGTERM stops both, with everything they started; when one of
-them exits, the other is stopped too. Ctrl+Z suspends both, `fg` resumes them.
+The two run as `dev:server` (`cargo run -p windfenster`) and `dev:web` (the web app's `bun run dev`)
+side by side through `bun run --parallel`, which prefixes each line with the script's name and stops
+the other when one of them fails. Their output goes through a pipe and their input is `/dev/null`,
+so in a terminal `bun run dev` sets `FORCE_COLOR` and `CARGO_TERM_COLOR` to keep the colours, and
+Vite's keyboard shortcuts (`h`, `r`, `o`, `q`) are only there with `bun run dev:web`. Ctrl+C,
+Ctrl+Z and closing the terminal reach both from the terminal itself (they run in its foreground
+process group): Ctrl+C stops both, Ctrl+Z suspends both, `fg` resumes them. Each can also run on its own (`bun run dev:server`, `bun run dev:web`).
 
 Checks, as CI runs them:
 
@@ -36,8 +41,7 @@ bun run e2e                # browser tests (Playwright): the map's shaders and t
 ## Tests
 
 Unit tests: `cargo test` (next to the code, API and pipeline tests in `crates/*/tests` against
-local stand-ins for the data sources), Vitest for the logic in `web/src/lib` and `bun test` for
-the scripts in `scripts/` (`bun run test` runs both).
+local stand-ins for the data sources) and Vitest for the logic in `web/src/lib` (`bun run test`).
 
 `bun run e2e` runs two sets of browser tests in Chromium, with SwiftShader for a GPU; the
 Playwright runner and the Vite server of the gpu tests run on Bun (`bun --bun playwright test`,

package.json

@@ -7,9 +7,11 @@
     "web"
   ],
   "scripts": {
-    "dev": "bun scripts/dev.ts",
+    "dev": "[ -f .env ] || { cp .env.example .env && echo '.env created from .env.example'; } && printf '\\n  Windfenster: http://localhost:5173\\n\\n' && if [ -t 1 ]; then export FORCE_COLOR=1 CARGO_TERM_COLOR=always; fi && bun run --parallel dev:server dev:web",
+    "dev:server": "cargo run -p windfenster",
+    "dev:web": "bun run --cwd web dev",
     "build": "bun run --filter @windfenster/web build",
-    "test": "bun test ./scripts && bun run --filter @windfenster/web test",
+    "test": "bun run --filter @windfenster/web test",
     "typecheck": "bun run --filter @windfenster/web typecheck",
     "bindings": "cargo test --workspace export_bindings",
     "lint": "biome check .",