feat: use trait extensions instead of newtype

[prajwolrg]

Description

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature/Enhancement (non-breaking change which adds functionality or enhances an existing one)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update
• Refactor
• New or updated tests
• Dependency Update

Notes to Reviewers

Is this PR addressing any specification, design doc or external reference document?

• Yes
• No

If yes, please add relevant links:

Checklist

• I have performed a self-review of my code.
• I have commented my code where necessary.
• I have updated the documentation if needed.
• My changes do not introduce new warnings.
• I have added (where necessary) tests that prove my changes are effective or that my feature works.
• New and existing tests pass with my changes.
• I have disclosed my use of AI in the body of this PR.

Related Issues

[codecov]

Codecov Report

❌ Patch coverage is 90.63830% with 22 lines in your changes missing coverage. Please review.
✅ Project coverage is 64.91%. Comparing base (4f8f41c) to head (ce297f4).

Files with missing lines	Patch %	Lines
...ates/asm/txs/bridge-v1/src/deposit_request/info.rs	25.00%	6 Missing ⚠️
crates/btc-types/src/arbitrary_bitcoin.rs	77.27%	5 Missing ⚠️
crates/btc-types/src/borsh_bitcoin.rs	97.14%	4 Missing ⚠️
crates/consensus-logic/src/asm_worker_context.rs	0.00%	2 Missing ⚠️
crates/asm/logs/src/checkpoint.rs	75.00%	1 Missing ⚠️
crates/asm/subprotocols/bridge-v1/src/handler.rs	50.00%	1 Missing ⚠️
.../asm/subprotocols/checkpoint-v0/src/subprotocol.rs	0.00%	1 Missing ⚠️
crates/asm/worker/src/state.rs	0.00%	1 Missing ⚠️
crates/rpc/types/src/types.rs	0.00%	1 Missing ⚠️

❗ There is a different number of reports uploaded between BASE (4f8f41c) and HEAD (ce297f4). Click for more details.

HEAD has 2 uploads less than BASE

Flag	BASE (4f8f41c)	HEAD (ce297f4)
unit	2	1
functional	1	0

@@            Coverage Diff             @@
##             main    #1491      +/-   ##
==========================================
- Coverage   74.33%   64.91%   -9.43%     
==========================================
  Files         783      783              
  Lines       73713    73605     -108     
==========================================
- Hits        54795    47779    -7016     
- Misses      18918    25826    +6908     

Flag	Coverage Δ
functional	?
unit	64.91% <90.63%> (+0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
bin/alpen-cli/src/cmd/deposit.rs	64.68% <100.00%> (ø)
crates/asm/common/src/aux/collector.rs	100.00% <100.00%> (ø)
crates/asm/common/src/aux/data.rs	100.00% <100.00%> (ø)
...s/asm/subprotocols/bridge-v1/src/state/operator.rs	98.83% <100.00%> (-0.02%)	⬇️
...m/subprotocols/bridge-v1/src/validation/deposit.rs	97.45% <100.00%> (ø)
...asm/subprotocols/bridge-v1/src/validation/slash.rs	100.00% <100.00%> (ø)
...m/subprotocols/bridge-v1/src/validation/unstake.rs	100.00% <100.00%> (ø)
crates/asm/txs/bridge-v1/src/deposit/info.rs	91.89% <100.00%> (-0.97%)	⬇️
crates/asm/txs/bridge-v1/src/deposit/parse.rs	100.00% <100.00%> (ø)
...tes/asm/txs/bridge-v1/src/deposit_request/parse.rs	100.00% <100.00%> (ø)
... and 16 more

... and 223 files with indirect coverage changes

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[github-actions]

Commit: 21204bc

SP1 Execution Results

program	cycles	success
EVM EE STF	1,322,061	✅
Checkpoint	5,226	✅
Checkpoint New	883,623	✅