Add general flow runner and document natural-language usage

- Add flow.ts for go/click/type/press/wait/screenshot flows
- Update web-automation docs with natural-language examples
- Update SKILL.md quick reference for flow.ts
- Remove temp script files

skills/web-automation/SKILL.md

@@ -40,6 +40,17 @@ If any check fails, stop and return:
 - Browse page: `npx tsx browse.ts --url "https://example.com"`
 - Scrape markdown: `npx tsx scrape.ts --url "https://example.com" --mode main --output page.md`
 - Authenticate: `npx tsx auth.ts --url "https://example.com/login"`
+- Natural-language flow: `npx tsx flow.ts --instruction 'go to https://example.com then click on "Login" then type "user@example.com" in #email then press enter'`
+
+## General flow runner
+
+Use `flow.ts` for multi-step commands in plain language (go/click/type/press/wait/screenshot).
+
+Example:
+
+```bash
+npx tsx flow.ts --instruction 'go to https://search.fiorinis.com then type "pippo" then press enter then wait 2s'
+```
 
 ## Notes