feat: initial commit

examples/wails3_init_updater/README.md

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+# wails3_init_updater
+
+This example started from the upstream scaffold generated on March 12, 2026 with:
+
+```bash
+go run github.com/wailsapp/wails/v3/cmd/wails3@v3.0.0-alpha.74 init \
+  -n updater-example \
+  -t vanilla-ts \
+  -d examples/wails3_init_updater \
+  -q \
+  -skipgomodtidy
+```
+
+It has been adapted to consume the local updater library from this repository.
+
+## What it demonstrates
+
+- a Wails 3 app binding the updater controller through a thin Wails service
+- an authenticated HTTP manifest provider
+- generated Wails bindings for updater methods
+- a mock update server for local testing
+
+## Running the mock server
+
+```bash
+go run ./cmd/mockupdateserver
+```
+
+The server listens on `http://127.0.0.1:18765` and expects:
+
+- `Authorization: Bearer test-token`
+
+## Running the app
+
+```bash
+wails3 task dev
+```
+
+The app reads:
+
+- `UPDATER_MANIFEST_URL`
+- `UPDATER_TOKEN`
+
+Defaults:
+
+- `UPDATER_MANIFEST_URL=http://127.0.0.1:18765/manifest.json`
+- `UPDATER_TOKEN=test-token`
+
+## Backend verification
+
+```bash
+go test ./...
+```
+
+The example test covers controller/service construction against the mock authenticated feed without launching a GUI.