B2BEA.org Rebuild build-execution S-41

• Moved /for/vendors/ Basic checkout click handler into /assets/js/for-vendors-runtime.js.
• Extended commerce runtime governance coverage to include the /for/vendors/ page.
• Removed the /for/vendors/ inline behavioral script without changing CSS.

• node --test test/commerceRuntime.test.js: 1/1 passed after red test failed on missing asset
• node --check src/assets/js/for-vendors-runtime.js: passed
• node scripts/audit-css-governance.js: passed
• npm test: 105/105 passed
• npm run build: Eleventy copied 112 assets and wrote 126 files
• GitHub Actions build: passed in 20s
• Cloudflare Pages: passed
• Local fast-forward initially hit bad object refs/Icon? after merge; narrow Icon cleanup plus fetch refreshed origin/main.

feature/b2bea-slice-41-for-vendors-runtime

https://github.com/b2bea-org/b2bea-website/pull/76

Start Slice 42 from origin/main; continue migrating remaining inline runtime groups, likely courses or assessment pages before the large vendor portal runtime.

• Moved /for/vendors/ Basic checkout click handler into /assets/js/for-vendors-runtime.js.
• Extended commerce runtime governance coverage to include the /for/vendors/ page.
• Removed the /for/vendors/ inline behavioral script without changing CSS.

Start Slice 42 from origin/main; continue migrating remaining inline runtime groups, likely courses or assessment pages before the large vendor portal runtime.

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