fix: spawn_blocking for fvm calls

[hanabi1224]

Summary of changes

Fvm calls are expensive and could exhaust tokio worker threads. Call them with spawn_blocking instead. Also update fn namings to end with _blocking when they're sync ones and invoking fvm.

Changes introduced in this pull request:

Reference issue to close (if applicable)

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Other information and links

Change checklist

• I have performed a self-review of my own code,
• I have made corresponding changes to the documentation. All new code adheres to the team's documentation standards,
• I have added tests that prove my fix is effective or that my feature works (if possible),
• I have made sure the CHANGELOG is up-to-date. All user-facing changes should be reflected in this document.

Outside contributions

• I have read and agree to the CONTRIBUTING document.
• I have read and agree to the AI Policy document. I understand that failure to comply with the guidelines will lead to rejection of the pull request.

Summary by CodeRabbit

Release Notes

• Refactor

  • Converted state validation and execution operations to use blocking-first architecture for improved CPU-bound performance
  • Restructured chain lookback computation to separate synchronous and asynchronous execution paths
  • Updated gas estimation to use shared ownership patterns for message collections

• Bug Fixes

  • Enhanced error handling for async task failures with proper error context conversion

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⚙️ Run configuration

Configuration used: Repository UI

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Run ID: 30740ff5-9676-40e3-93ad-8fadbd8c91c7

📥 Commits

Reviewing files that changed from the base of the PR and between d590f15 and 5bec774.

📒 Files selected for processing (18)

• src/chain/store/chain_store.rs
• src/chain/store/errors.rs
• src/chain_sync/tipset_syncer.rs
• src/daemon/mod.rs
• src/fil_cns/validation.rs
• src/interpreter/externs.rs
• src/rpc/methods/eth.rs
• src/rpc/methods/gas.rs
• src/rpc/methods/miner.rs
• src/state_manager/execution.rs
• src/state_manager/message_simulation.rs
• src/state_manager/mining.rs
• src/state_manager/mod.rs
• src/state_manager/state_computation.rs
• src/tool/offline_server/server.rs
• src/tool/subcommands/api_cmd/api_compare_tests.rs
• src/tool/subcommands/archive_cmd.rs
• src/tool/subcommands/snapshot_cmd.rs

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[codecov]

Codecov Report

❌ Patch coverage is 59.18367% with 60 lines in your changes missing coverage. Please review.
✅ Project coverage is 64.38%. Comparing base (d590f15) to head (5bec774).
✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
src/rpc/methods/eth.rs	0.00%	13 Missing ⚠️
src/chain/store/chain_store.rs	57.69%	10 Missing and 1 partial ⚠️
src/state_manager/message_simulation.rs	77.27%	4 Missing and 6 partials ⚠️
src/state_manager/execution.rs	68.42%	5 Missing and 1 partial ⚠️
src/daemon/mod.rs	0.00%	4 Missing ⚠️
src/rpc/methods/miner.rs	0.00%	4 Missing ⚠️
src/chain/store/errors.rs	0.00%	3 Missing ⚠️
src/state_manager/state_computation.rs	66.66%	2 Missing and 1 partial ⚠️
src/tool/subcommands/snapshot_cmd.rs	0.00%	2 Missing ⚠️
src/interpreter/externs.rs	0.00%	1 Missing ⚠️
... and 3 more

Additional details and impacted files

Files with missing lines	Coverage Δ
src/chain_sync/tipset_syncer.rs	63.27% <100.00%> (+0.24%)	⬆️
src/fil_cns/validation.rs	78.89% <100.00%> (+0.13%)	⬆️
src/rpc/methods/gas.rs	86.11% <100.00%> (+0.03%)	⬆️
src/state_manager/mod.rs	65.15% <ø> (ø)
src/interpreter/externs.rs	39.81% <0.00%> (ø)
src/state_manager/mining.rs	71.18% <80.00%> (+0.24%)	⬆️
src/tool/offline_server/server.rs	27.23% <0.00%> (ø)
src/tool/subcommands/archive_cmd.rs	29.66% <0.00%> (ø)
src/tool/subcommands/snapshot_cmd.rs	0.00% <0.00%> (ø)
src/chain/store/errors.rs	12.50% <0.00%> (-1.79%)	⬇️
... and 7 more

... and 6 files with indirect coverage changes

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