[Feature] Add Engine Account support

[jnsdls]

PR-Codex overview

The focus of this PR is to export EngineAccountOptions and engineAccount from engine-account.js to enable engine account creation with specified options.

Detailed summary

• Export EngineAccountOptions and engineAccount from engine-account.js
• Add engineAccount function to create engine accounts with specified options
• Implement methods for sending transactions, signing messages, and signing typed data
• Handle engine requests for transaction sending, message signing, and typed data signing

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[changeset-bot[bot]]

⚠️ No Changeset found

Latest commit: 1fdbdca99dbda7183b5f9ce0bc1ca98b7778480a

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[jnsdls]

• #3821
• #3584 👈
• main

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[jnsdls]

TODO: add tests

[codspeed-hq[bot]]

CodSpeed Performance Report

Merging #3584 will not alter performance

_{Comparing feature/add-engine-account (1fdbdca) with main (3ffd555)}

Summary

✅ 9 untouched benchmarks

[github-actions[bot]]

size-limit report 📦

Path	Size	Loading time (3g)	Running time (snapdragon)	Total time
thirdweb (esm)	43.17 KB (0%)	864 ms (0%)	592 ms (+46.27% 🔺)	1.5 s
thirdweb (cjs)	91.22 KB (0%)	1.9 s (0%)	895 ms (-15.4% 🔽)	2.8 s
thirdweb (minimal + tree-shaking)	4.79 KB (0%)	96 ms (0%)	20 ms (-83.31% 🔽)	116 ms
thirdweb/chains (tree-shaking)	492 B (0%)	10 ms (0%)	9 ms (-23.57% 🔽)	19 ms
thirdweb/react (minimal + tree-shaking)	13.54 KB (0%)	271 ms (0%)	68 ms (-43.82% 🔽)	339 ms

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 20.44199% with 144 lines in your changes missing coverage. Please review.

Project coverage is 62.19%. Comparing base (3ffd555) to head (1fdbdca). Report is 571 commits behind head on main.

Files with missing lines	Patch %	Lines
packages/thirdweb/src/wallets/engine-account.ts	20.44%	144 Missing :warning:

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3584      +/-   ##
==========================================
- Coverage   62.32%   62.19%   -0.14%     
==========================================
  Files         963      964       +1     
  Lines       74814    74995     +181     
  Branches     3772     3767       -5     
==========================================
+ Hits        46631    46644      +13     
- Misses      27498    27668     +170     
+ Partials      685      683       -2     

Flag	Coverage Δ		*Carryforward flag
legacy_packages	65.68% <ø> (ø)		Carriedforward from 3ffd555
packages	61.60% <20.44%> (-0.16%)	:arrow_down:

*This pull request uses carry forward flags. Click here to find out more.

Files with missing lines	Coverage Δ
packages/thirdweb/src/wallets/engine-account.ts	20.44% <20.44%> (ø)

... and 2 files with indirect coverage changes