refactor: replace bbox::BBox with bounding_box::Aabb2 across codebase

Cargo.toml

@@ -7,7 +7,7 @@ members = [
   "ndarray-safetensors",
   "sqlite3-safetensor-cosine",
   "ndcv-bridge",
-  "bbox"
+  "bbox",
 ]
 
 [workspace.package]
@@ -89,7 +89,6 @@ iced = { version = "0.13", features = ["tokio", "image"] }
 rfd = "0.15"
 futures = "0.3"
 imageproc = "0.25"
-opencv = "0.95.1"
 
 [profile.release]
 debug = true
@@ -105,3 +104,7 @@ mnn-metal = ["mnn/metal"]
 mnn-coreml = ["mnn/coreml"]
 
 default = ["mnn-metal", "mnn-coreml"]
+
+[[test]]
+name = "test_bbox_replacement"
+path = "test_bbox_replacement.rs"