refactor: simplify run event persistence calls

Author: rohans0509

src/codealmanac/services/runs/service.py

@@ -118,30 +118,26 @@ def stream_attach(
         )
 
     def record_event(self, request: RecordRunEventRequest) -> RunLogEvent:
-        self.store.read(request.run_id)
-        return self.store.append(
+        return self.store.record_event(
             request.run_id,
             request.kind,
             request.message,
             request.harness_event,
         )
 
     def mark_running(self, request: MarkRunRunningRequest) -> RunRecord:
-        self.store.read(request.run_id)
         return self.store.mark_running(request.run_id)
 
     def record_harness_transcript(
         self,
         request: RecordRunHarnessTranscriptRequest,
     ) -> RunRecord:
-        self.store.read(request.run_id)
         return self.store.record_harness_transcript(
             request.run_id,
             request.transcript,
         )
 
     def finish(self, request: FinishRunRequest) -> RunRecord:
-        self.store.read(request.run_id)
         return self.store.finish(
             request.run_id,
             request.status,

src/codealmanac/services/runs/store.py

@@ -169,7 +169,7 @@ def attach(self, run_id: str) -> RunAttachSnapshot:
             terminal=record.status in TERMINAL_RUN_STATUSES,
         )
 
-    def append(
+    def record_event(
         self,
         run_id: str,
         kind: RunEventKind,