(feat/centralised-actions) feat: added centralised actions

[nil-malh]

📝 Description

Resolves #

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🔄 Type of Change

• 🐛 Bug fix — non-breaking change that fixes an issue
• ✨ New feature — non-breaking change that adds functionality
• 💥 Breaking change — fix or feature that changes existing behaviour
• ♻️ Refactoring / technical debt — no functional change
• 📖 Documentation — doc-only changes
• ⬆️ Dependency update — bumped library/plugin version(s)
• 🔧 CI / build — changes to workflows, pom.xml, tooling

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✅ Pre-Merge Checklist

Code Quality

• My code follows the Palantir Java Format style (passes mvn spotless:check)
• I have added or updated Javadoc on public types and methods

Tests

• I have added unit tests that cover the new / changed behaviour
• All existing and new tests pass locally (mvn verify)
• JaCoCo line coverage ≥ 70 % is maintained
• Tests using Testcontainers are isolated and do not leave containers running

Licensing

• Apache 2.0 license header has been added to every new source file (using spotless)

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🧪 How to Test Locally

# 1. Build and run all tests (requires Docker for Testcontainers)
mvn verify

# 2. Check code style
mvn spotless:check

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📸 Screenshots / Logs

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📚 Additional Context

[github-actions]

✅ Test Results

	Metric	Count
✅	Passed	139
❌	Failed	0
⏭️	Skipped	0
📊	Total	139

✅ Coverage

	Type	Coverage	Covered / Total
📏	Lines	81.8%	500 / 611
🌿	Branches	77.0%	177 / 230
🔧	Methods	90.5%	105 / 116

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🔄 CI run #35 · Sat, 01 Aug 2026 10:14:34 GMT