test: add more tests

examples/basic/BUILD.bazel

@@ -11,3 +11,11 @@ bun_dev(
     name = "web_dev",
     entry_point = "main.ts",
 )
+
+bun_dev(
+    name = "web_dev_hot_restart",
+    entry_point = "main.ts",
+    no_clear_screen = True,
+    restart_on = ["README.md"],
+    watch_mode = "hot",
+)

examples/basic/README.md

@@ -9,3 +9,12 @@ bazel run //examples/basic:web_dev
 ```
 
 This starts Bun in watch mode for `main.ts`.
+
+For the hot-reload launcher variant:
+
+```bash
+bazel run //examples/basic:web_dev_hot_restart
+```
+
+This starts Bun with `watch_mode = "hot"`, disables screen clearing, and wires
+`README.md` through `restart_on` to exercise the custom restart launcher path.