Address PR feedback for OpenCode integration

packages/adapters/opencode-local/src/server/execute.ts

@@ -115,7 +115,7 @@ export async function execute(ctx: AdapterExecutionContext): Promise<AdapterExec
     model,
     command,
     cwd,
-    env,
+    env: runtimeEnv,
   });
 
   const timeoutSec = asNumber(config.timeoutSec, 0);
@@ -244,7 +244,9 @@ export async function execute(ctx: AdapterExecutionContext): Promise<AdapterExec
       };
     }
 
-    const resolvedSessionId = attempt.parsed.sessionId ?? runtimeSessionId ?? runtime.sessionId ?? null;
+    const resolvedSessionId =
+      attempt.parsed.sessionId ??
+      (clearSessionOnMissingSession ? null : runtimeSessionId ?? runtime.sessionId ?? null);
     const resolvedSessionParams = resolvedSessionId
       ? ({
           sessionId: resolvedSessionId,
@@ -287,7 +289,7 @@ export async function execute(ctx: AdapterExecutionContext): Promise<AdapterExec
         stderr: attempt.proc.stderr,
       },
       summary: attempt.parsed.summary,
-      clearSession: Boolean(clearSessionOnMissingSession && !resolvedSessionId),
+      clearSession: Boolean(clearSessionOnMissingSession && !attempt.parsed.sessionId),
     };
   };