added x-follow workflow

examples/hello-world/x-follow-workflow.json

@@ -0,0 +1,115 @@
+{
+  "variables": {
+    "url": {
+      "type": "string",
+      "label": "X.com URL",
+      "default": "https://x.com"
+    },
+    "scroll_times": {
+      "type": "number",
+      "label": "Number of scrolls",
+      "default": 5
+    },
+    "profile_link_selector": {
+      "type": "string",
+      "label": "Profile Link Selector",
+      "default": "role:Link|name:/@/"
+    },
+    "follow_button_selector": {
+      "type": "string",
+      "label": "Follow Button Selector",
+      "default": "role:Button|name:Follow"
+    },
+    "scrollable_selector": {
+      "type": "string",
+      "label": "Scrollable Feed Selector",
+      "default": "role:Feed"
+    }
+  },
+  "inputs": {
+    "url": "https://x.com",
+    "scroll_times": 5,
+    "profile_link_selector": "role:Link|name:/@/",
+    "follow_button_selector": "role:Button|name:Follow",
+    "scrollable_selector": "role:Feed"
+  },
+  "selectors": {
+    "browser_window": "role:Document"
+  },
+  "steps": [
+    {
+      "tool_name": "navigate_browser",
+      "arguments": {
+        "url": "{{url}}"
+      },
+      "outputs": {
+        "pid": "browser_pid"
+      }
+    },
+    {
+      "tool_name": "wait_for_element",
+      "arguments": {
+        "selector": "{{selectors.browser_window}}",
+        "condition": "exists",
+        "timeout_ms": 8000
+      }
+    },
+    {
+      "group_name": "Scroll Feed",
+      "repeat": "{{scroll_times}}",
+      "steps": [
+        {
+          "tool_name": "scroll_element",
+          "arguments": {
+            "selector": "{{scrollable_selector}}",
+            "direction": "down",
+            "amount": 800
+          }
+        }
+      ]
+    },
+    {
+      "tool_name": "extract_elements",
+      "arguments": {
+        "selector": "{{profile_link_selector}}",
+        "attribute": "url",
+        "max_items": 10
+      },
+      "outputs": {
+        "items": "profile_urls"
+      }
+    },
+    {
+      "group_name": "Follow Users Loop",
+      "repeat": "{{profile_urls.length}}",
+      "steps": [
+        {
+          "tool_name": "navigate_browser",
+          "arguments": {
+            "url": "{{profile_urls.[loop_index]}}"
+          }
+        },
+        {
+          "tool_name": "wait_for_element",
+          "arguments": {
+            "selector": "{{follow_button_selector}}",
+            "condition": "exists",
+            "timeout_ms": 8000
+          }
+        },
+        {
+          "tool_name": "click_element",
+          "arguments": {
+            "selector": "{{follow_button_selector}}"
+          }
+        }
+      ]
+    },
+    {
+      "tool_name": "wait",
+      "arguments": {
+        "duration_ms": 2000
+      }
+    }
+  ]
+}