build: split build targets into MakefileBuild.mk

[Dino2049]

Migrate to the new SPUG release system where build and deploy are separated. MakefileBuild.mk now holds all build-* targets (node, tx-submitter, gas-oracle, prover, challenge-handler, shadow-proving, token-price-oracle); MakefileEc2.mk/MakefileEks.mk keep only the start-* targets. Target names are unchanged.

Summary by CodeRabbit

• Build and Deployment
  • Added build-artifact support for node, transaction submission, oracle, prover, challenge-handling, and shadow-proving services across mainnet, Qanet, and Hoodi.
  • Build artifacts are now produced separately from service start commands, keeping build and runtime workflows distinct.
  • Node and transaction-submission builds package and upload artifacts to their environment-specific destinations.

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ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Advanced

Run ID: b60b5136-b679-4800-aea4-d18810d0f0a3

📥 Commits

Reviewing files that changed from the base of the PR and between aa35ed6 and 6425c0e.

📒 Files selected for processing (3)

• MakefileBuild.mk
• MakefileEc2.mk
• MakefileEks.mk

Included review availability: Your plan provides up to 1 included review per hour; 0 remain after this review.

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📝 Walkthrough

Walkthrough

The pull request adds build-artifact targets to MakefileBuild.mk for node, transaction-submitter, oracle, and Rust service binaries. It removes build targets from MakefileEc2.mk and MakefileEks.mk; MakefileEks.mk retains service start targets and adds a mainnet token-price-oracle start target.

Changes

Build and deployment targets

Layer / File(s)	Summary
Node and tx-submitter artifact builds MakefileBuild.mk	Adds build metadata and mainnet, qanet, and Hoodi targets that build binaries, stage them in dist, package them as tarballs, and upload them to environment-specific S3 paths.
Oracle and Rust service artifact builds MakefileBuild.mk	Adds targets for gas-price-oracle, prover, challenge-handler, shadow-proving, and token-price-oracle. The targets build and stage binaries and retrieve the corresponding environment’s secret-manager wrapper. Prover, challenge-handler, and shadow-proving targets enable Git CLI fetches.
Deployment Makefile commands MakefileEc2.mk, MakefileEks.mk	Removes build targets from both files. MakefileEc2.mk now contains a comment describing start and healthcheck target naming. MakefileEks.mk retains service start targets and adds a mainnet token-price-oracle start target.

Priority: ➖ Normal

Estimated code review effort: 3 (Moderate) | ~20 minutes

Change: Refactor

Merge Risk: ⚪ Minimal · up to 6425c

No actionable risk introduced by this split remains established. The change is mergeable after normal build checks.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely describes the main change: moving build targets into MakefileBuild.mk while separating build configuration from deployment files.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0…
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

🧪 Generate unit tests (beta)

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