removed not needed "assets.updated_at" column

alembic_db/versions/0001_assets.py

@@ -23,7 +23,6 @@ def upgrade() -> None:
         sa.Column("size_bytes", sa.BigInteger(), nullable=False, server_default="0"),
         sa.Column("mime_type", sa.String(length=255), nullable=True),
         sa.Column("created_at", sa.DateTime(timezone=False), nullable=False),
-        sa.Column("updated_at", sa.DateTime(timezone=False), nullable=False),
         sa.CheckConstraint("size_bytes >= 0", name="ck_assets_size_nonneg"),
     )
     op.create_index("ix_assets_mime_type", "assets", ["mime_type"])

app/database/models.py

@@ -47,9 +47,6 @@ class Asset(Base):
     created_at: Mapped[datetime] = mapped_column(
         DateTime(timezone=False), nullable=False, default=utcnow
     )
-    updated_at: Mapped[datetime] = mapped_column(
-        DateTime(timezone=False), nullable=False, default=utcnow
-    )
 
     infos: Mapped[list["AssetInfo"]] = relationship(
         "AssetInfo",

app/database/services.py

@@ -85,7 +85,7 @@ async def ingest_fs_asset(
     Upsert Asset identity row + cache state pointing at local file.
 
     Always:
-      - Insert Asset if missing; else update size_bytes (and updated_at) if different.
+      - Insert Asset if missing;
       - Insert AssetCacheState if missing; else update mtime_ns if different.
 
     Optionally (when info_name is provided):
@@ -123,7 +123,6 @@ async def ingest_fs_asset(
                     size_bytes=int(size_bytes),
                     mime_type=mime_type,
                     created_at=datetime_now,
-                    updated_at=datetime_now,
                 )
             )
             await session.flush()
@@ -140,7 +139,6 @@ async def ingest_fs_asset(
                 existing.mime_type = mime_type
                 changed = True
             if changed:
-                existing.updated_at = datetime_now
                 out["asset_updated"] = True
         else:
             logging.error("Asset %s not found after PK conflict; skipping update.", asset_hash)