fix: rename default ipc socket

[chenjiahan]

Summary

This PR renames the default IPC socket generated by ipc: true from webpack-dev-server.sock to rspack-dev-server.sock, matching the package name and avoiding webpack-prefixed defaults. It also updates the IPC e2e test socket names to use the same Rspack prefix.

Validation

• node_modules/.bin/prettier --check src/server.ts tests/e2e/ipc.test.js
• node_modules/.bin/rslint src/server.ts tests/e2e/ipc.test.js
• node_modules/.bin/rstest tests/e2e/ipc.test.js

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro Plus

Run ID: 27886534-1c1e-4cb6-8908-6fe09b5e44fd

📥 Commits

Reviewing files that changed from the base of the PR and between 017039b and 39b854c.

📒 Files selected for processing (2)

• src/server.ts
• tests/e2e/ipc.test.js

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📝 Walkthrough

Walkthrough

The default IPC socket filename is renamed from webpack-dev-server.sock to rspack-dev-server.sock in src/server.ts. This change applies only when options.ipc is set to true (boolean); all other IPC path-handling logic is unchanged. Two corresponding assertions in tests/e2e/ipc.test.js are updated to expect the new rspack-dev-server.${process.pid}-N.sock filename pattern.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title 'fix: rename default ipc socket' directly and clearly summarizes the main change - renaming the default IPC socket filename from webpack-dev-server.sock to rspack-dev-server.sock.
Description check	✅ Passed	The description is directly related to the changeset, providing clear context about the socket name change from webpack-dev-server.sock to rspack-dev-server.sock and noting test updates.
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.

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✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch chenjiahan/rename-ipc-socket

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