feat(standards): fix F11-F16 and rebuild bundle (43 components) + trial findings

- F11 PopulateRule field_name/collection_name corrections
- F12 service adaptor update handles PopulatingRepository
- F13 nested-references section; F14 authless /users/me guidance
- F15 template ruff-clean; F16 stop vendoring .ruff_cache, ship .gitignore
- document --template-style in build_recipe/spec_first_routing; refresh collected
  openapi-first + standards bundle (12 modules, 43 components)
- add trial.md and trial_findings.md (F1-F16, re-trial A/B evidence)

standards/src/templates/app/infra/adapters/sse.py

@@ -7,7 +7,7 @@ SSEInMemoryBus — in-memory event bus for SSE progress events.
 Buffer published progress events so they can be replayed (and streamed) per
 correlation key, such as a job, upload, or fetch-request id.
 """
-from typing import Generic, List, TypeVar
+from typing import Generic, TypeVar
 
 T = TypeVar("T")
 
@@ -27,7 +27,7 @@ class SSEInMemoryBus(Generic[T]):
             key_attr (str): Attribute name on each event holding the stream
                 correlation key (for example ``"job_id"``).
         """
-        self._events: List[T] = []
+        self._events: list[T] = []
         self._key_attr = key_attr
 
     async def publish(self, event: T) -> None:
@@ -38,7 +38,7 @@ class SSEInMemoryBus(Generic[T]):
         """
         self._events.append(event)
 
-    def get_events(self, key: str) -> List[T]:
+    def get_events(self, key: str) -> list[T]:
         """Return buffered events for a correlation key.
 
         Args: