feat(loldle): weekly scraper for champion data from loldle.net

Pulls canonical game fields (gender, positions, range_type, regions,
release_date) from loldle.net's JS bundle and merges with ddragon
championFull for display metadata (title, resource, genre, skinCount,
image). Opens a PR weekly via GitHub Actions (Mon 06:00 UTC).

.github/workflows/scrape-loldle-data.yml

@@ -0,0 +1,53 @@
+name: scrape-loldle-data
+
+# Rebuilds src/modules/loldle/champions.json every Monday 06:00 UTC by
+# scraping loldle.net's JS bundle + merging ddragon championFull.
+# Opens a PR if the output changed. Manually triggerable from Actions tab.
+#
+# Note: the bundled data is shipped with the Worker — the change only takes
+# effect after `npm run deploy` is run on the updated main branch.
+
+on:
+  schedule:
+    - cron: "0 6 * * 1"
+  workflow_dispatch:
+
+permissions:
+  contents: write
+  pull-requests: write
+
+jobs:
+  scrape:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: "20"
+          cache: npm
+
+      - run: npm ci
+
+      - name: Scrape loldle.net
+        run: npm run scrape:loldle-data
+
+      - name: Open PR if data changed
+        uses: peter-evans/create-pull-request@v7
+        with:
+          branch: data/loldle-weekly-refresh
+          delete-branch: true
+          commit-message: "data: weekly loldle.net champion refresh"
+          title: "data: weekly loldle.net champion refresh"
+          body: |
+            Automated weekly refresh of `src/modules/loldle/champions.json`
+            from loldle.net + ddragon championFull.
+
+            Fields sourced from loldle.net: `gender`, `attackType`, `lane`,
+            `region`, `releaseDate`. Display fields (`title`, `resource`,
+            `genre`, `skinCount`, `image`) come from ddragon.
+
+            Review the diff, merge, then run `npm run deploy` to ship.
+          add-paths: |
+            src/modules/loldle/champions.json
+            src/modules/loldle/champions-data.js