From 4b95e0b746095e8cdfa1a2d2b558f946c9159565 Mon Sep 17 00:00:00 2001
From: Austin Stark <14080242+ausmaster@users.noreply.github.com>
Date: Wed, 15 Apr 2026 09:45:17 -0700
Subject: [PATCH] Move `last_seen` from Technology to Asset model.

---
 bbot_server/models/base.py                              | 1 +
 bbot_server/modules/technologies/technologies_models.py | 2 --
 tests/test_asset_indexes.py                             | 1 +
 3 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/bbot_server/models/base.py b/bbot_server/models/base.py
index dcb92e6f..aec9effb 100644
--- a/bbot_server/models/base.py
+++ b/bbot_server/models/base.py
@@ -101,6 +101,7 @@ class BaseAssetFacet(BaseHostModel):
 
     # scope is an array of target IDs, which are dynamically maintained as new scan data arrives, or as targets are created/updated.
     scope: Annotated[list[UUID], "indexed"] = []
+    last_seen: Annotated[Optional[float], "indexed"] = None
 
     # unless overridden, all asset facets are stored in the asset store
     __store_type__ = "asset"
diff --git a/bbot_server/modules/technologies/technologies_models.py b/bbot_server/modules/technologies/technologies_models.py
index 8568a1b9..803ca538 100644
--- a/bbot_server/modules/technologies/technologies_models.py
+++ b/bbot_server/modules/technologies/technologies_models.py
@@ -1,7 +1,6 @@
 from pydantic import Field, computed_field
 from typing import Annotated
 
-from bbot_server.utils.misc import utc_now
 from bbot_server.models.base import AssetQuery, BaseAssetFacet
 
 
@@ -20,7 +19,6 @@ async def build(self, applet=None):
 
 class Technology(BaseAssetFacet):
     technology: Annotated[str, "indexed", "indexed-text"]
-    last_seen: Annotated[float, "indexed"] = Field(default_factory=utc_now)
 
     @computed_field
     @property
diff --git a/tests/test_asset_indexes.py b/tests/test_asset_indexes.py
index 4d2355e6..9f3c01fd 100644
--- a/tests/test_asset_indexes.py
+++ b/tests/test_asset_indexes.py
@@ -69,6 +69,7 @@ async def test_asset_indexes():
     assert bbot_server.assets.model.indexed_fields() == {
         "host": ["indexed"],
         "scope": ["indexed"],
+        "last_seen": ["indexed"],
         "created": ["indexed"],
         "modified": ["indexed"],
         "dns_links": ["indexed"],