fix(test): update facade operation count from 11 to 42

The A2A facade now exposes 42 operations (31 extension + 11 legacy)
after the spec-aligned _cleveragents/ extension methods were added.
Update the BDD assertion and docs to match the actual count.

docs/development/testing.md

@@ -1479,7 +1479,7 @@ The M6 acceptance suite validates the autonomy hardening layer:
 ### Behave Suite: `features/m6_autonomy_acceptance.feature`
 
 - **Fixture loading** — 3 scenarios verifying JSON structure
-- **A2A facade dispatch** — 10 scenarios covering all 11 operations
+- **A2A facade dispatch** — 10 scenarios covering all 42 operations
 - **A2A error handling** — 2 scenarios (unknown operation, invalid request type)
 - **Service registration** — 2 scenarios (register + list operations)
 - **Event queue** — 5 scenarios (publish, subscribe, unsubscribe, close, remote reject)

features/a2a_cli_facade_integration.feature

@@ -6,7 +6,7 @@ Feature: A2A CLI facade integration
 
   Scenario: CLI bootstrap creates a wired facade
     Given a facade created via the CLI bootstrap
-    Then the facade should support all 11 operations
+    Then the facade should support all 42 operations
     And the facade should be cached on subsequent calls
 
   Scenario: Session create routes through facade

features/steps/a2a_cli_facade_integration_steps.py

@@ -121,10 +121,10 @@ def step_call_notify_facade(context: Any, operation: str) -> None:
 # ---------------------------------------------------------------------------
 
 
-@then("the facade should support all 11 operations")
-def step_check_11_operations(context: Any) -> None:
+@then("the facade should support all 42 operations")
+def step_check_42_operations(context: Any) -> None:
     ops = context.facade.list_operations()
-    assert len(ops) == 11, f"Expected 11 operations, got {len(ops)}: {ops}"
+    assert len(ops) == 42, f"Expected 42 operations, got {len(ops)}: {ops}"
 
 
 @then("the facade should be cached on subsequent calls")