fix: add boto3 as explicit dep so litellm Bedrock works at runtime (#90)

Without boto3 installed, LiteLLM's Bedrock adapter raises
APIConnectionError: No module named 'boto3' at the first InvokeModel
call. Adding it to the top-level dependencies ensures uv sync pulls
it into the production image.

pyproject.toml

@@ -12,6 +12,7 @@ dependencies = [
     # Agent runtime dependencies
     "requests>=2.33.0",
     "litellm>=1.83.0",
+    "boto3>=1.35.0",
     "huggingface-hub>=1.0.1",
     "fastmcp>=3.2.0",
     "prompt-toolkit>=3.0.0",

uv.lock

@@ -997,6 +997,7 @@ name = "hf-agent"
 version = "0.1.0"
 source = { editable = "." }
 dependencies = [
+    { name = "boto3" },
     { name = "datasets" },
     { name = "fastapi" },
     { name = "fastmcp" },
@@ -1036,6 +1037,7 @@ eval = [
 
 [package.metadata]
 requires-dist = [
+    { name = "boto3", specifier = ">=1.35.0" },
     { name = "datasets", specifier = ">=4.4.1" },
     { name = "datasets", marker = "extra == 'eval'", specifier = ">=4.3.0" },
     { name = "fastapi", specifier = ">=0.115.0" },