fix: rename llama_stack_api dir (#4155)

# What does this PR do?

the directory structure was src/llama-stack-api/llama_stack_api

instead it should just be src/llama_stack_api to match the other
packages.

update the structure and pyproject/linting config

---------

Signed-off-by: Charlie Doern <cdoern@redhat.com>
Co-authored-by: Ashwin Bharambe <ashwin.bharambe@gmail.com>

src/llama_stack/core/server/auth_providers.py

@@ -11,7 +11,6 @@ from urllib.parse import parse_qs, urljoin, urlparse
 
 import httpx
 import jwt
-from llama_stack_api import TokenValidationError
 from pydantic import BaseModel, Field
 
 from llama_stack.core.datatypes import (
@@ -23,6 +22,7 @@ from llama_stack.core.datatypes import (
     User,
 )
 from llama_stack.log import get_logger
+from llama_stack_api import TokenValidationError
 
 logger = get_logger(name=__name__, category="core::auth")
 

src/llama_stack/core/server/routes.py

@@ -10,10 +10,10 @@ from collections.abc import Callable
 from typing import Any
 
 from aiohttp import hdrs
-from llama_stack_api import Api, ExternalApiSpec, WebMethod
 from starlette.routing import Route
 
 from llama_stack.core.resolver import api_protocol_map
+from llama_stack_api import Api, ExternalApiSpec, WebMethod
 
 EndpointFunc = Callable[..., Any]
 PathParams = dict[str, str]

src/llama_stack/core/server/server.py

@@ -28,7 +28,6 @@ from fastapi import Path as FastapiPath
 from fastapi.exceptions import RequestValidationError
 from fastapi.middleware.cors import CORSMiddleware
 from fastapi.responses import JSONResponse, StreamingResponse
-from llama_stack_api import Api, ConflictError, PaginatedResponse, ResourceNotFoundError
 from openai import BadRequestError
 from pydantic import BaseModel, ValidationError
 
@@ -57,6 +56,7 @@ from llama_stack.core.utils.config import redact_sensitive_fields
 from llama_stack.core.utils.config_resolution import Mode, resolve_config_or_distro
 from llama_stack.core.utils.context import preserve_contexts_async_generator
 from llama_stack.log import LoggingConfig, get_logger, setup_logging
+from llama_stack_api import Api, ConflictError, PaginatedResponse, ResourceNotFoundError
 
 from .auth import AuthenticationMiddleware
 from .quota import QuotaMiddleware