ci: scope composite-action path filters to their suite

[pratyush618]

What

Narrow the changes job's path filters so a composite-action edit only reruns the suites that actually use it.

Why

shared matched .github/actions/**, and every suite includes *shared — so editing any composite action (e.g. setup-java) reran rust + python + node + java. The setup-java@v5 bump in #309 fired the whole Python/Node matrix for nothing.

Research consensus: over-triggering wastes minutes, under-triggering ships untested bugs. Narrowing is safe only for single-consumer actions; the map was grep-verified:

action	consumers
setup-rust	rust, python, node, java → stays in shared
setup-python	rust, python
rust-prelude	rust
setup-node	node
setup-java	java

Change

shared keeps only setup-rust; each suite lists the actions it consumes. No suite loses a dependency it had (no under-trigger), single-consumer actions stop fanning out to all four (no over-trigger).

Summary by CodeRabbit

• Chores
  • Updated CI change-detection so jobs run only for the suites and workflow files they actually relate to.
  • Reduced unnecessary CI reruns by narrowing shared triggers and adding suite-specific workflow/action paths.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 78979d9b-eed3-439e-a9dd-2c7cc8b0a197

📥 Commits

Reviewing files that changed from the base of the PR and between 8f06d7b and 4eeaef2.

📒 Files selected for processing (1)

• .github/workflows/ci.yml

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📝 Walkthrough

Walkthrough

The CI workflow now uses narrower path filters so suites rerun only for their own code, composite action, and workflow file changes. The shared filter keeps Rust crates, root manifests, setup-rust, and the CI workflow file.

Changes

CI path filter changes

Layer / File(s)	Summary
Narrowed suite filters .github/workflows/ci.yml	The dorny/paths-filter rules replace the broad .github/actions/** trigger with shared and suite-scoped action and workflow paths.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

Possibly related PRs

• ByteVeda/taskito#304 — Also changes the CI workflow path-filtering logic that decides when suite jobs rerun.

Poem

A bunny hops through CI light,
🐇 filters neat, all set just right.
Rust and suites now wake when near,
not every action loud and clear.

🚥 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: narrowing CI composite-action path filters to the suites that use them.
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 ci/narrow-path-filters

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