Solana mainnet mock forwarder for cre simulate

[yashnevatia]

➜  cre-cli git:(main) ✗ ./cre workflow simulate ./test-solana-2 --target=local-simulation-devnet --broadcast
✓ Workflow compiled
✓ Simulation limits enabled
  HTTP: req=120kb resp=250kb timeout=10s | ConfHTTP: req=125kb resp=500kb timeout=1m30s | Consensus obs=25kb | ChainWrite evm_report=50kb evm_gas=10000000 solana_report=265b solana_cu=300000 | WASM binary=100mb compressed=20mb
  Binary hash: 155a5781c2482d320cad1997e2e3bf3a2949280400daf64b0f9796e88e11be73
  Config hash: e6955700be8b078f80f30b16435d07925ea2d57953c57b05da0a972090d44df3
2026-07-13T11:21:47Z [SIMULATION] Simulator Initialized

2026-07-13T11:21:47Z [SIMULATION] Running trigger trigger=cron-trigger@1.0.0

┃ Cron scheduler started. Press Enter to skip waiting...                                                                                                                                                                                            
┃ Next                                    

2026-07-13T11:21:48Z [USER LOG] solana balance read: address=Av3xZHYnFoW7wW4FEApAtHf8JeYauwaNm5cVLqk6MLfk lamports=6118727783
2026-07-13T11:21:49Z [USER LOG] solana canary write: signature=0x48a5182367962e8b4f65e94764e7d6008b22182db2a80a82d470c6d9eab71fc909a739514b65d10d543ef1f81f7fb5893b4c31a70f828e25510d4705159ce80a status=2

✓ Workflow Simulation Result:
"Success"

2026-07-13T11:21:49Z [SIMULATION] Execution finished signal received
2026-07-13T11:21:49Z [SIMULATION] Skipping WorkflowEngineV2
➜  cre-cli git:(main) ✗ ./cre workflow simulate ./test-solana-2 --target=local-simulation-mainnet --broadcast
✓ Workflow compiled
✓ Simulation limits enabled
  HTTP: req=120kb resp=250kb timeout=10s | ConfHTTP: req=125kb resp=500kb timeout=1m30s | Consensus obs=25kb | ChainWrite evm_report=50kb evm_gas=10000000 solana_report=265b solana_cu=300000 | WASM binary=100mb compressed=20mb
  Binary hash: 155a5781c2482d320cad1997e2e3bf3a2949280400daf64b0f9796e88e11be73
  Config hash: 18c15616522ff98745d8aedf6165e94d3a33e0a5f625907568d4f61785476247
2026-07-13T11:23:58Z [SIMULATION] Simulator Initialized

2026-07-13T11:23:58Z [SIMULATION] Running trigger trigger=cron-trigger@1.0.0

┃ Cron scheduler started. Press Enter to skip waiting...                                    
┃ Next                                    

2026-07-13T11:23:59Z [USER LOG] solana balance read: address=Av3xZHYnFoW7wW4FEApAtHf8JeYauwaNm5cVLqk6MLfk lamports=29351389
2026-07-13T11:24:00Z [USER LOG] solana canary write: signature=0x23d2539c00c62e94c313e459020f304f71ba2e8440f784157b30e2c2931f16ece86b02a134b7b6f35ab4bd506e70b797126a012d6f17a2123b2423f8a768af01 status=2

✓ Workflow Simulation Result:
"Success"

2026-07-13T11:24:00Z [SIMULATION] Execution finished signal received
2026-07-13T11:24:00Z [SIMULATION] Skipping WorkflowEngineV2

[github-actions]

👋 yashnevatia, thanks for creating this pull request!

To help reviewers, please consider creating future PRs as drafts first. This allows you to self-review and make any final changes before notifying the team.

Once you're ready, you can mark it as "Ready for review" to request feedback. Thanks!