feat(M4): Reusable code abstractions and dead-code removal

skills/web-automation/claude-code/.generated-manifest.json

@@ -7,13 +7,13 @@
       "path": "scripts/auth.ts",
       "kind": "file",
       "mode": "644",
-      "sha256": "ce0a8aae0bc41b86e11aab51cc0e0cfa484a1934807f147c05c9bd38d416c066"
+      "sha256": "c0940f452437b05b95e58a9a7ab265fb50aa412bd672e82fedd6a37cbfb3d505"
     },
     {
       "path": "scripts/browse.ts",
       "kind": "file",
       "mode": "644",
-      "sha256": "42da9cdc6806b8d7d8d814952ad9540033b6c6a4cbe9844ada328b2ceace67c9"
+      "sha256": "d7e4b4c50116032e5a00f90bca27e069dfc5bbf6eeb06ec8f8edc9e5a9792ab8"
     },
     {
       "path": "scripts/check-install.js",
@@ -31,7 +31,13 @@
       "path": "scripts/flow.ts",
       "kind": "file",
       "mode": "644",
-      "sha256": "b1c256bf6a206473512a4c0555c891893a48025529da282fa6cd07e68ad3d051"
+      "sha256": "94f3e7987cab253dc3c9e80656a11759fada13b3915608bff7ae08418602f366"
+    },
+    {
+      "path": "scripts/lib/browser.ts",
+      "kind": "file",
+      "mode": "644",
+      "sha256": "879b5f883ff1f888d45ed20be05c2d9bc3d6fe5305a1972b7d49a7e6c0e24934"
     },
     {
       "path": "scripts/package.json",
@@ -49,7 +55,7 @@
       "path": "scripts/scan-local-app.ts",
       "kind": "file",
       "mode": "644",
-      "sha256": "3f42f9bb2d355fefc8645d2b2acfa3107bd87f9c2579b2631c94132bed0abea4"
+      "sha256": "9e1818c254a633e087715609152936dcb3613a0aa724d40a8a13460510691dc7"
     },
     {
       "path": "scripts/scrape.ts",
@@ -79,7 +85,7 @@
       "path": "scripts/tsconfig.json",
       "kind": "file",
       "mode": "644",
-      "sha256": "5f9a83c8caab167eb20defbb5afde58f2bb573a300af99654997dcb3372408e0"
+      "sha256": "e5f22d72266068cf410976c880511f2ec1875445256e11739a5e1de6ffedf38d"
     },
     {
       "path": "scripts/turndown-plugin-gfm.d.ts",