fix(ci): build darwin-amd64 binary on macos-15-intel runner

[vitali87]

Problem

The v0.0.246 release shipped only three binaries despite a four-platform matrix. The darwin-amd64 matrix entry runs on macos-latest, which GitHub now maps to macos-15-arm64. The binary name is derived from platform.machine() at runtime, so that job silently built a second code-graph-rag-darwin-arm64 that overwrote the real one on release upload, and Intel Mac users got no binary at all.

Fix

• Pin the darwin-amd64 matrix entry to macos-15-intel, GitHub's free x64 macOS runner.
• Smoke-test the exact expected filename (code-graph-rag-<platform>-<arch>) instead of a glob, so any future runner-arch/matrix mismatch fails the job loudly instead of silently mislabeling a release asset.

[gemini-code-assist]

Code Review

This pull request updates the version of the code-graph-rag package in uv.lock from 0.0.245 to 0.0.246. There are no review comments, and I have no feedback to provide.

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[greptile-apps]

Greptile Summary

This PR fixes the release binary workflow for Darwin amd64 builds. The main changes are:

• Pins the darwin-amd64 matrix entry to the macos-15-intel runner.
• Smoke-tests the exact expected binary filename for each matrix entry.
• Updates the locked editable package version to 0.0.246.

Confidence Score: 5/5

Safe to merge with minimal risk.

The changes are narrowly scoped to CI runner selection and artifact filename validation. No functional or security issues were identified.

No files require special attention.

T-Rex Logs

What T-Rex did

• T-Rex ran the requested general-contract-validation-proof, but local artifact references were not uploaded.

_{Ran code and verified through T-Rex}

Important Files Changed

Filename	Overview
.github/workflows/build-binaries.yml	Pins the Darwin amd64 build to the Intel macOS runner and validates the exact matrix-derived binary filename before upload.
uv.lock	Updates the editable package version from 0.0.245 to 0.0.246.

_{Reviews (1): Last reviewed commit: "fix(ci): build darwin-amd64 on macos-15-..." | Re-trigger Greptile}

[codecov-commenter]

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Codecov Report

✅ All modified and coverable lines are covered by tests.

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