Fix broken paper links in docs/SELF_LEARNING_AGENTS.md

[Copilot]

The self-learning agents summary linked papers via research/self-learning-agents/..., which resolves incorrectly from docs/SELF_LEARNING_AGENTS.md and leaves the references broken. This updates the report to point at the actual paper notes under docs/self-learning-agents/....

• Link path correction

  • Rewrote every [paper](...) link in docs/SELF_LEARNING_AGENTS.md from the nonexistent research/self-learning-agents/... path to the correct sibling path under self-learning-agents/....

• Referenced paper notes

  • Included the docs/self-learning-agents/ paper-note subtree so the corrected links resolve to the expected PAPER.md targets from the report.

• Example

  - [paper](research/self-learning-agents/evotest/PAPER.md)
  + [paper](self-learning-agents/evotest/PAPER.md)