docs: update JSON/XML beautifier and conditionals examples in README …

[predic8]

…for clarity and YAML consistency

Summary by CodeRabbit

• Documentation
  • Reworked JSON and XML Beautifier section with YAML-based configuration examples
  • Updated Conditionals with if section featuring clearer explanations and YAML workflow samples
  • Enhanced code examples with improved condition testing and result labeling

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[coderabbitai]

Walkthrough

The PR updates README.md by converting two documentation sections—JSON and XML Beautifier, and Conditionals with if—from XML-centric examples to YAML-based configuration samples, while updating associated code blocks and explanatory text.

Changes

Cohort / File(s)	Change Summary
Documentation Updates README.md	Converts two documentation sections (JSON/XML Beautifier and Conditionals with if) from XML-based examples to YAML-based configurations; updates code blocks, condition tests, and descriptive explanations

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~5 minutes

• Single file change with straightforward documentation conversion (XML → YAML)
• Repetitive refactoring pattern applied consistently across sections
• No code logic or API changes to validate

Possibly related PRs

• Migrate README.md examples from XML to YAML configuration #2416 — Performs broader README migration from XML to YAML examples across the entire documentation.
• README.md changed samples to YAML #2336 — Converts XML-based examples to YAML-based examples in a README-wide migration effort.
• Rollback YAML samples in README.md #2345 — Modifies the same README.md configuration examples, converting between YAML and XML in documentation sections.

Suggested labels

7.x

Suggested reviewers

• rrayst
• christiangoerdes

Poem

🐰 A rabbit hops through docs so fine,
Converting XMLs into lines,
YAML flows where markup once stood,
Beautifiers and conditions: understood!
The gateway guide is fresh and bright—
Configuration examples, sparkling right! ✨

Pre-merge checks and finishing touches

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately describes the main changes: documentation updates to JSON/XML beautifier and conditionals examples in README with YAML-based configuration samples.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

✨ Finishing touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch readme-yaml-examples-beautify-if

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📜 Recent review details

Configuration used: defaults

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between a42af59 and 1198aa9.

📒 Files selected for processing (1)

• README.md (1 hunks)

⏰ Context from checks skipped due to timeout of 90000ms. You can increase the timeout in your CodeRabbit configuration to a maximum of 15 minutes (900000ms). (2)

• GitHub Check: Automated tests
• GitHub Check: Analyze (java)

🔇 Additional comments (2)

README.md (2)

823-849: Verify the execution order of beautifier and template in the response flow.

The beautifier element appears before the template in the response flow, but the template is what generates the JSON content. If flow elements execute sequentially, this order may cause beautifier to run before the content is generated.

Consider clarifying the expected execution order, or verify that this example correctly demonstrates how beautifier and template interact in the actual Membrane implementation.

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853-868: Verify that statusCode is available as a variable in the SpEL expression context.

The example uses statusCode >= 500 in a SpEL expression. Confirm that statusCode is a valid variable accessible within the conditional test context, and that the SpEL syntax is correct for Membrane's implementation.

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