fix: restore invalid notebooks so GitHub can render them

[voidborne-d]

Summary

• remove invalid metadata fields from stream outputs in Build-reasoning-model/Own_reasoning_model_with_GRPO.ipynb
• replace two zero-byte .ipynb placeholders with minimal valid notebooks so GitHub/Jupyter no longer reject them as invalid JSON
• verify the repository's notebooks now pass nbformat validation

Validation

• python3 notebook validation pass across all tracked .ipynb files using nbformat.read(...) and validate(...)

Closes #200

Summary by CodeRabbit

• Chores
  • Added placeholder notebooks for future development and documentation purposes.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: c104b08e-1c12-4526-8335-e36f75ea223b

📥 Commits

Reviewing files that changed from the base of the PR and between 1b26e64 and b7a1de9.

📒 Files selected for processing (3)

• Build-reasoning-model/Own_reasoning_model_with_GRPO.ipynb
• agentic_rag_deepseek/src/agentic_rag/tools/test.ipynb
• o3-vs-claude-code/data_prep.ipynb

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📝 Walkthrough

Walkthrough

Two new Jupyter notebooks are added to the repository, each containing a single markdown cell with placeholder text and standard metadata (Python 3 kernel, nbformat 4). No executable code or logic is introduced.

Changes

Cohort / File(s)	Summary
New Placeholder Notebooks agentic_rag_deepseek/src/agentic_rag/tools/test.ipynb, o3-vs-claude-code/data_prep.ipynb	New notebook files with placeholder markdown cells and standard nbformat metadata (version 4, minor version 5). No executable code or logic included.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Poem

🐰 Two notebooks spring to life so new,
With placeholders and metadata too,
No code to fuss, just markdown plain,
A canvas ready for future domain,
GitHub will render without a strain! ✨

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Linked Issues check	⚠️ Warning	The PR adds two minimal valid placeholder notebooks to replace zero-byte files. However, the linked issue #200 specifically identifies 'Own_reasoning_model_with_GRPO.ipynb' as the affected file requiring fixes, which is not addressed in this changeset.	Address the specifically mentioned affected file (Own_reasoning_model_with_GRPO.ipynb) from issue #200, or clarify whether the two placeholder notebooks resolve the original validation issue.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly describes the main change: restoring invalid notebooks for GitHub rendering. It directly relates to the primary objectives of fixing notebook validation issues.
Out of Scope Changes check	✅ Passed	The PR adds two placeholder Jupyter notebooks, which aligns with the stated objective to replace zero-byte placeholders with minimal valid notebooks. No unrelated changes are present.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

Warning

There were issues while running some tools. Please review the errors and either fix the tool's configuration or disable the tool if it's a critical failure.

🔧 Ruff (0.15.9)

agentic_rag_deepseek/src/agentic_rag/tools/test.ipynb

Unexpected end of JSON input

o3-vs-claude-code/data_prep.ipynb

Unexpected end of JSON input

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