Enforce that all imports from llama-stack-api use the form:
from llama_stack_api import <symbol>
This prevents external code from accessing internal package structure
(e.g., llama_stack_api.agents, llama_stack_api.common.*) and establishes
a clear public API boundary.
Changes:
- Export 400+ symbols from llama_stack_api/__init__.py
- Include all API types, common utilities, and strong_typing helpers
- Update files across src/llama_stack, docs/, tests/, scripts/
- Convert all submodule imports to top-level imports
- ensure docs use the proper importing structure
Addresses PR review feedback requiring explicit __all__ definition to
prevent "peeking inside" the API package.
Signed-off-by: Charlie Doern <cdoern@redhat.com>
2e5d1c8881