Add vendor assessment agent

Signed-off-by: Aurélien Sibiril <81782+aureliensibiril@users.noreply.github.com>

pkg/agent/tools/browser/click.go

@@ -0,0 +1,88 @@
+// Copyright (c) 2026 Probo Inc <hello@getprobo.com>.
+//
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted, provided that the above
+// copyright notice and this permission notice appear in all copies.
+//
+// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+// PERFORMANCE OF THIS SOFTWARE.
+
+package browser
+
+import (
+	"context"
+
+	"github.com/chromedp/chromedp"
+	"go.probo.inc/probo/pkg/agent"
+)
+
+type (
+	clickParams struct {
+		URL      string `json:"url" jsonschema:"The URL to navigate to before clicking"`
+		Selector string `json:"selector" jsonschema:"CSS selector of the element to click (e.g. button.next, a[href*=page])"`
+	}
+)
+
+func ClickElementTool(b *Browser) agent.Tool {
+	return agent.FunctionTool(
+		"click_element",
+		"Navigate to a URL, click an element matching a CSS selector, and return the page text after the click. Useful for pagination buttons, 'show all' links, tabs, and other interactive elements.",
+		func(ctx context.Context, p clickParams) (agent.ToolResult, error) {
+			if r := b.checkAlive(); r != nil {
+				return *r, nil
+			}
+
+			if r := b.checkURL(p.URL); r != nil {
+				return *r, nil
+			}
+
+			ctx, timeoutCancel := withToolTimeout(ctx)
+			defer timeoutCancel()
+
+			tabCtx, cancel := b.NewTab(ctx)
+			defer cancel()
+
+			var (
+				text         string
+				postClickURL string
+			)
+
+			err := chromedp.Run(
+				tabCtx,
+				chromedp.Navigate(p.URL),
+				waitForPage(),
+				chromedp.WaitVisible(p.Selector),
+				chromedp.Click(p.Selector),
+				waitForPage(),
+				chromedp.Location(&postClickURL),
+				chromedp.Evaluate(`document.body.innerText`, &text),
+			)
+			if err != nil {
+				return agent.ResultError(b.classifyError(ctx, p.URL, err)), nil
+			}
+
+			// Revalidate the post-click URL: a click may navigate
+			// the page to a different host (redirect, JS navigation,
+			// <a href>), bypassing the initial checkURL. Reject the
+			// result if the new URL is outside the allowed scope or
+			// resolves to a non-public IP.
+			if postClickURL != "" && postClickURL != p.URL {
+				if r := b.checkURL(postClickURL); r != nil {
+					return *r, nil
+				}
+			}
+
+			runes := []rune(text)
+			if len(runes) > maxTextLength {
+				text = string(runes[:maxTextLength])
+			}
+
+			return agent.ToolResult{Content: text}, nil
+		},
+	)
+}