docs(autoresearch): add example research project and README

Add LoRA rank convergence study example demonstrating:
- Bootstrap phase with literature search
- Hypothesis formation and testing
- Inner/outer loop workflow
- Progress tracking and findings synthesis

skills/research/autoresearch/examples/README.md

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+# Autoresearch Examples
+
+This directory contains example research projects using the autoresearch methodology.
+
+## Available Examples
+
+### `lora-rank-study.md`
+
+**Question:** Does LoRA rank affect convergence speed on small datasets?
+
+**Type:** Benchmark optimization, hyperparameter study
+
+**Skills Used:**
+- `arxiv` — Literature search
+- `mlops` — Model training
+- `tensorboard` — Experiment tracking
+
+**Key Takeaway:** Higher rank improves convergence speed up to a point (r=16), then diminishing returns.
+
+---
+
+## Creating Your Own Research
+
+1. Start with `/autoresearch "your question"`
+2. Follow the two-loop architecture
+3. Commit protocols before running
+4. Generate progress reports with `/research-report`
+
+## Tips from Examples
+
+- **Start small:** First experiment should complete in <30 minutes
+- **Define metrics upfront:** Know what you're measuring before you start
+- **Document surprises:** Negative results are progress too
+- **Show your work:** Progress reports help humans follow along