Implemented the next missing parity slice around agent configurations.

src/__init__.py

@@ -13,11 +13,18 @@ from .agent_context import (
 from .agent_manager import AgentManager
 from .agent_registry import (
     AgentLoadError,
+    AgentMutationResult,
     AgentRegistrySnapshot,
+    create_agent_definition,
+    delete_agent_definition,
     find_agent_definition,
     load_agent_registry,
+    normalize_mutable_source,
     render_agent_detail,
+    render_agent_mutation,
     render_agents_report,
+    scaffold_agent_definition,
+    update_agent_definition,
 )
 from .agent_runtime import LocalCodingAgent
 from .agent_session import AgentMessage, AgentSessionState
@@ -51,6 +58,7 @@ __all__ = [
     'AgentContextSnapshot',
     'AgentManager',
     'AgentLoadError',
+    'AgentMutationResult',
     'AgentPermissions',
     'AgentRegistrySnapshot',
     'AgentRunResult',
@@ -119,8 +127,10 @@ __all__ = [
     'clear_context_caches',
     'clear_token_counter_cache',
     'count_tokens',
+    'create_agent_definition',
     'calculate_token_budget',
     'default_tool_registry',
+    'delete_agent_definition',
     'describe_token_counter',
     'estimate_chat_overhead',
     'execute_tool',
@@ -130,9 +140,13 @@ __all__ = [
     'get_user_context',
     'load_agent_registry',
     'load_session',
+    'normalize_mutable_source',
     'render_agent_detail',
+    'render_agent_mutation',
     'render_agents_report',
     'run_parity_audit',
+    'scaffold_agent_definition',
     'save_session',
     'set_system_prompt_injection',
+    'update_agent_definition',
 ]