feat(box): expand agent tool capabilities with files, web, and service ops

bin/response-harvester.py

@@ -227,6 +227,39 @@ def format_tool_result_for_chat(op, raw_output):
     if op == "vars.get" and isinstance(data, dict):
         return f"{data.get('name')} = {data.get('value')}"
 
+    if op == "files.read" and isinstance(data, dict):
+        if not data.get("ok"):
+            return f"Failed to read file: {data.get('error')}"
+        path = data.get("path")
+        lines = data.get("lines")
+        trunc = " (first " + str(data.get("displayed_lines")) + " lines)" if data.get("truncated") else ""
+        content = data.get("content", "").strip()
+        return f"File `{path}` ({lines} lines total){trunc}:\n```\n{content}\n```"
+
+    if op == "files.write" and isinstance(data, dict):
+        if not data.get("ok"):
+            return f"Failed to write file: {data.get('error')}"
+        return f"File `{data.get('path')}` written successfully ({data.get('bytes_written')} bytes, {data.get('lines')} lines)."
+
+    if op == "web.fetch" and isinstance(data, dict):
+        if not data.get("ok"):
+            return f"Failed to fetch {data.get('url')}: {data.get('error')}"
+        status = data.get("status")
+        url = data.get("url")
+        trunc = " (truncated to 4KB)" if data.get("truncated") else ""
+        return f"Web Fetch `{url}` (HTTP {status}){trunc}:\n```\n{data.get('body', '').strip()[:800]}\n```"
+
+    if op == "service.status" and isinstance(data, dict):
+        if not data.get("ok"):
+            return f"Service check failed: {data.get('error')}"
+        st = "ACTIVE" if data.get("active") else "INACTIVE"
+        return f"Service `{data.get('service')}` is {st}.\nStatus: {data.get('status_line')}"
+
+    if op == "service.restart" and isinstance(data, dict):
+        if not data.get("ok"):
+            return f"Service restart failed for `{data.get('service')}`: {data.get('error')}"
+        return f"Service `{data.get('service')}` restarted successfully."
+
     # General fallback: compact JSON capped to 400 chars
     s = json.dumps(data)
     return s[:400] + "..." if len(s) > 400 else s