chore: add dev-server launch config and mobile verification screenshots

.claude/launch.json lets the Browser pane start the app on :4001 by
name instead of needing a manually-run dev server. The .tmp screenshots
are visual verification captures from mobile dashboard debugging.

.claude/launch.json

@@ -0,0 +1,11 @@
+{
+  "version": "0.0.1",
+  "configurations": [
+    {
+      "name": "wfdash-dev",
+      "runtimeExecutable": "npm",
+      "runtimeArgs": ["run", "dev", "--", "-p", "4001"],
+      "port": 4001
+    }
+  ]
+}