Add massive neutrino support and improve CSV/CLI output

- Add neutrino mass parameter to SpectrumConfig and CLI interface
- Update PhaseSpace component to handle neutrino mass effects properly
- Update CSV headers to show basic endpoint and all transition types
- Add --csv-verbosity option to CLI with 'full' and 'concise' options
- Fix comparison plots to properly show linear scale variations
- Add comprehensive tests for neutrino mass functionality

.llm-wiki/WIKI_SCHEMA.md

@@ -0,0 +1,34 @@
+# LLM Wiki Schema
+
+## Ownership Rules
+
+| Path | Owner | Rule |
+|------|-------|------|
+| raw/** | extension | immutable after capture |
+| wiki/** | model + user | editable knowledge pages |
+| meta/* | extension | auto-generated |
+| . | human + explicit request | operating rules |
+
+## Source Packet Format
+
+```
+raw/sources/SRC-YYYY-MM-DD-NNN/
+  manifest.json
+  original/
+  extracted.md
+  attachments/
+```
+
+## Page Types
+
+- **source** — what this specific source says
+- **entity** — people, orgs, tools, products
+- **concept** — ideas, patterns, frameworks
+- **synthesis** — cross-source theses and tensions
+- **analysis** — durable filed answers from queries
+- **requirement** — atomic requirements with status, priority, and traceability
+
+## Linking Style
+
+- Internal: [[folder/page-name]]
+- Citation: [[sources/SRC-YYYY-MM-DD-NNN]]