Add mountaineering recipes — proven patterns from real work

[strix-tkellogg]

Summary

• Four recipe files in builtin_skills/mountaineering/recipes/ encoding patterns that have already worked
• Each recipe: trigger conditions, search intents, inputs/outputs, harness sketch, worked example with real data, failure modes
• README with recipe index and shared structure

Recipes

Recipe	Source	Key Data Point
Paper deep-read	Memex(RL) thread (Mar 21)	8+ exchanges, external contributors joined
Cross-agent critique	Keel SAE write-up (Mar 21)	Complementary coverage, both caught orthogonality error
Effectiveness analysis	Half-RAG + DAG (Mar 21)	2.8% hit rate, 86% stale edges
Thread engagement	Bluesky Memex thread (Mar 21)	Natural thread that wound down at real insight

Design decisions

• Recipes are structured search intents per Tim's afternoon direction — they encode what to look for, hybrid search provides how to find it
• Worked examples use specific data from real sessions, not hypotheticals
• Failure modes table in each recipe — what goes wrong and how to detect it
• No code changes — these are documentation/templates only

Test plan

• Review recipe structure — does the format work for agents that aren't Strix?
• Check worked examples — are they specific enough to replicate?
• Verify search intents are actionable (not vague)

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