Add vendor assessment agent

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

pkg/agent/progress.go

@@ -0,0 +1,36 @@
+// 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 agent
+
+import "context"
+
+type (
+	ProgressEventType string
+
+	ProgressEvent struct {
+		Type       ProgressEventType `json:"type"`
+		Step       string            `json:"step"`
+		ParentStep string            `json:"parent_step,omitempty"`
+		Message    string            `json:"message"`
+	}
+
+	ProgressReporter func(ctx context.Context, event ProgressEvent)
+)
+
+const (
+	ProgressEventStepStarted   ProgressEventType = "step_started"
+	ProgressEventStepCompleted ProgressEventType = "step_completed"
+	ProgressEventStepFailed    ProgressEventType = "step_failed"
+)