fix: load on Paper 1.21.4 by lowering api-version

[Drefvelin]

Summary

• Lower api-version from 1.21.10 to 1.21.4 so TLibs loads on Paper 1.21.4 servers.

Paper 1.21.4 refuses the current jar with InvalidPluginException: Unsupported API version 1.21.10. That was reported by a server running 1.21.4 and reproduced on TFMC Packtest (Paper 1.21.4-232).

VehicleFramework also needs this change; its PR is separate.

Compatibility

• The source compiles against paper-api 1.21.4-R0.1-SNAPSHOT with no errors.
• On Packtest (Paper 1.21.4) with the api-version patched, TLibs and VF enabled cleanly. All seven Free Pack vehicles spawned, and vehicles and a track persisted across a restart. A bot drove the gunboat with player_input.
• On newer servers the lower label is harmless. The only Paper rewrite gated between 1.21.4 and 1.21.10 is Cow → AbstractCow (the 1.21.5 ABSTRACT_COW threshold), and this plugin doesn't reference Cow.

Test plan

• Compile against paper-api 1.21.4
• Load and run on Paper 1.21.4 (Packtest)
• Load and run on TFMCDev (Paper 1.21.10) with this change: both plugins enable, and the Dev AA-turret bot test (spawn, seat GUI, mount, A/D/W/S turret input) passes

🤖 Generated with Claude Code

Summary by CodeRabbit

• Compatibility
  • The plugin now declares Minecraft API version 1.21.4 instead of 1.21.10. This updates the version listed in its plugin metadata; no other user-facing changes are included in this update.

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ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Advanced

Run ID: a11eab8b-e4a4-4847-81cd-95e0cd875ae3

📥 Commits

Reviewing files that changed from the base of the PR and between 13f4e9d and 7146823.

📒 Files selected for processing (1)

• src/main/resources/plugin.yml

Included review availability: This review used your included allowance. Your plan provides up to 10 included reviews per hour; 8 remain after this review.

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📝 Walkthrough

Walkthrough

The plugin descriptor now declares API version 1.21.4 instead of 1.21.10.

Changes

Plugin API version

Layer / File(s)	Summary
Update declared API version src/main/resources/plugin.yml	The descriptor declares API version 1.21.4 instead of 1.21.10.

Priority: ⬇️ Low

Estimated code review effort: 1 (Trivial) | ~3 minutes

Change: Bug fix

Suggested reviewers: ryanbarlow97

Merge Risk: ⚪ Minimal · up to 71468

The descriptor permits Paper 1.21.4, and no actionable compatibility issue is established; no merge-blocking risk remains.

Architecture Summary

Architecture risk: 🔵 Low · up to 71468

The change affects 1 system.

Changed systems: src

Architecture concerns
No architecture-level concerns identified.

Review details

Systems and components

• observed — src (service) was modified; 1 changed file maps to changed impact.

Before / after behavior

• observed — Modified behavior in src/main/resources/plugin.yml: The declared plugin API version changed from 1.21.10 to 1.21.4.

🚥 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 states the main change: lowering the API version so the plugin loads on Paper 1.21.4.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0…
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)

• Commit to this branch
• Create a new PR

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_{A rabbit checks the version line,
One number shifts into its place.
The plugin names its API,
The burrow hums a steady tune,
And carrots wait beside the file.}

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