Reframe Feynman for general research workflows

prompts/compare-sources.md

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+---
+description: Compare multiple sources on a topic and produce a source-grounded matrix of agreements, disagreements, and confidence.
+---
+Compare sources for: $@
+
+Requirements:
+- Identify the strongest relevant primary sources first.
+- Inspect the top sources directly before comparing them.
+- Build a comparison matrix covering:
+  - source
+  - key claim
+  - evidence type
+  - caveats
+  - confidence
+- Distinguish agreement, disagreement, and uncertainty clearly.
+- End with a `Sources` section containing direct URLs for every source used.
+- Save the comparison to `outputs/` as markdown if the user wants a durable artifact.