Open native REPL in active group when no tabs are open

[Eduardo Villalpando Mello (edvilme)]

Summary

• open a new native REPL in the active editor group when no tabs are open
• preserve side-by-side placement when another tab is open and preserve the column of an existing REPL
• add regression coverage for empty and non-empty editor layouts

Testing

• npx tsc -p . --pretty false
• npm run test:unittests -- --grep "REPL - command handler"
• npx eslint src/client/repl/replCommandHandler.ts src/test/repl/replCommandHandler.unit.test.ts
• npx prettier --check src/client/repl/replCommandHandler.ts src/test/repl/replCommandHandler.unit.test.ts

Fixes #24010

[Copilot]

Copilot review overview

🟢 Approval recommended

The focused change matches the requested behavior, includes regression coverage, and has no identified blocking issues.

Review effort: Balanced
Findings: None

What changed in this PR

Addresses #24010 by opening a new native Python REPL in the active editor group when no tabs are open.

Changes:

• Keeps side-by-side placement when tabs exist and preserves existing REPL placement.
• Adds regression tests for empty and non-empty editor layouts.

File	Description
src/​test/​repl/​replCommandHandler.unit.test.ts	Tests placement with and without open tabs.
src/​client/​repl/​replCommandHandler.ts	Selects new REPL placement based on open tabs.

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[Bill Schnurr (bschnurr)]

🔒 Automated review in progress — Bill Schnurr (@bschnurr) is auto-reviewing this PR.

[Bill Schnurr (bschnurr)]

Result: 🔴 could-not-verify

Verification details

Verification: The relevant tests could not be fully run in the isolated environment; this review is not fully verified.

Summary: [unavailable] Container verification could not start and local execution was not authorized for this PR HEAD: C:\Program Files\RedHat\Podman\podman.EXE --connection pyrx-automation failed: stderr: Error: unable to start container "708a9bd41ab939071452c94526796f87ea6e406a6096b61c48396f6782ee3a00": crun: open `memory.max` for writing: No such file or directory: OCI runtime attempted to invoke a command that was not found

Test runs: none recorded.

[Bill Schnurr (bschnurr)]

Approved via Review Center.