Implemented the next missing parity slice around agent configurations.

src/__init__.py

@@ -11,6 +11,14 @@ from .agent_context import (
     set_system_prompt_injection,
 )
 from .agent_manager import AgentManager
+from .agent_registry import (
+    AgentLoadError,
+    AgentRegistrySnapshot,
+    find_agent_definition,
+    load_agent_registry,
+    render_agent_detail,
+    render_agents_report,
+)
 from .agent_runtime import LocalCodingAgent
 from .agent_session import AgentMessage, AgentSessionState
 from .agent_tools import build_tool_context, default_tool_registry, execute_tool
@@ -42,7 +50,9 @@ from .tools import PORTED_TOOLS, build_tool_backlog
 __all__ = [
     'AgentContextSnapshot',
     'AgentManager',
+    'AgentLoadError',
     'AgentPermissions',
+    'AgentRegistrySnapshot',
     'AgentRunResult',
     'AgentRuntimeConfig',
     'AccountProfile',
@@ -114,10 +124,14 @@ __all__ = [
     'describe_token_counter',
     'estimate_chat_overhead',
     'execute_tool',
+    'find_agent_definition',
     'format_token_budget',
     'get_system_context',
     'get_user_context',
+    'load_agent_registry',
     'load_session',
+    'render_agent_detail',
+    'render_agents_report',
     'run_parity_audit',
     'save_session',
     'set_system_prompt_injection',