op-reth: env knobs for --rpc.max-trace-filter-blocks (default 10000 = previous hardcoded) and --rpc.max-response-size (default 160 = reth default) - tracer-mule tuning surface; max-tracing-requests deliberately NOT pinned (reth self-sizes to cores)

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

op/reth/op-sepolia-op-reth-pruned-trace.yml

@@ -75,7 +75,8 @@ services:
       - --rpc.max-blocks-per-filter=0
       - --rpc.max-connections=50000
       - --rpc.max-logs-per-response=0
-      - --rpc.max-trace-filter-blocks=10000
+      - --rpc.max-response-size=${OP_SEPOLIA_RETH_MAX_RESPONSE_SIZE:-160}
+      - --rpc.max-trace-filter-blocks=${OP_SEPOLIA_RETH_TRACE_FILTER_BLOCKS:-10000}
       - --http
       - --http.addr=0.0.0.0
       - --http.api=admin,debug,eth,net,trace,txpool,web3,rpc,reth,ots,flashbots,mev