Initial SOC memory POC implementation

skills/summarize_case_skill/SKILL.md

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+# summarize_case_skill
+
+## Purpose
+Summarize one normalized SOC case into a high-quality Obsidian case note that can be reviewed and maintained by analysts.
+
+## Inputs
+- A normalized case JSON document
+- Optional output directory for Obsidian notes
+
+## Outputs
+- One markdown case note per case
+- Stable structure aligned with the vault template
+
+## Guardrails
+- Do not dump raw logs or full tool traces
+- Keep only reusable evidence, conclusions, and response guidance
+- Prefer linked references to playbooks, KBs, and related cases
+- Preserve case identifiers and observable values exactly
+
+## Current implementation
+Use `generate_case_note.py` to render a local markdown note from a normalized case.