Scope Rust CI to affected packages

[proerror77]

Summary

• derive Rust validation scope from changed files plus Cargo path dependencies
• preserve full validation for main/develop pushes and manual runs
• keep required job names while skipping provably unrelated PR suites
• test collector, control-only, live, docs, deletion, and rename cases

Expected impact

A collector-only PR keeps Alpha dependents, collector strict Clippy/tests, and control-plane tests, while skipping unrelated live/JSON/Ondo/focused builds. Cold-cache wall time is expected to fall from about 22 minutes to 8-9 minutes.

Verification

• selector fixture suite passes
• shellcheck passes
• workflow YAML parses
• real cargo metadata selection checked
• standards/spec review found no remaining P1/P2

Summary by CodeRabbit

• New Features

  • Added change-aware Rust CI validation that runs only the relevant checks for modified areas.
  • Added manual workflow triggering support.
  • Added dependency-aware detection for impacted Rust packages.

• Bug Fixes

  • Improved CI handling for file additions, deletions, and renames.

• Tests

  • Added coverage for CI scope selection across common change scenarios.

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Review profile: CHILL

Plan: Pro

Run ID: 3decc493-0404-444c-aadb-97b803fbb163

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📝 Walkthrough

Walkthrough

The pull request adds a Bash selector that determines affected Rust CI scopes from events, changed paths, and workspace dependencies. Fixtures and tests cover scope combinations and rename/deletion cases, while the workflow conditionally runs Rust setup, validation, and build steps.

Changes

Rust CI scope selection

Layer / File(s)	Summary
Event and path routing .github/scripts/select-rust-ci-scope.sh	Parses selector inputs, handles non-PR events, derives changed paths, and applies broad or deployment-specific scope rules.
Dependency impact and scope mapping .github/scripts/select-rust-ci-scope.sh	Loads Cargo metadata, identifies affected packages, propagates dependent impact, maps packages to validation scopes, and emits outputs.
Fixture and edge-case validation .github/scripts/fixtures/rust-ci-scope/*, .github/scripts/test-select-rust-ci-scope.sh	Adds changed-path and package metadata fixtures and tests collector, live, control, docs, deletion, and rename scenarios.
Conditional workflow execution .github/workflows/ci.yml	Invokes scope selection and gates Rust setup, caching, validation, and focused package builds on emitted flags.

Estimated code review effort: 4 (Complex) | ~45 minutes

Sequence Diagram(s)

sequenceDiagram
  participant GitHubActions
  participant ScopeSelector
  participant Git
  participant Cargo
  participant RustChecks
  GitHubActions->>ScopeSelector: pass event and commit inputs
  ScopeSelector->>Git: derive changed paths
  ScopeSelector->>Cargo: read workspace metadata
  ScopeSelector-->>GitHubActions: emit validation scope flags
  GitHubActions->>RustChecks: run enabled checks

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Possibly related PRs

• proerror77/monday#29: Adds the collector control-plane validation step whose execution is gated by these scope flags.
• proerror77/monday#34: Adds the Polymarket raw-ops control-plane validation governed by the updated CI scope selection.

🚥 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 summarizes the main change: scoping Rust CI to affected packages.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
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)

• Create PR with unit tests
• Commit unit tests in branch codex/ci-rust-scope-selector

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[proerror77]

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