Add version headers and missing component files

- Add version headers to all modality and persona files for update tracking
- Add structures/ folder with session structure options
- Add safety-protocol.md
- Add assets/ folder with capture instructions and samples

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

structures/freeform.md

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+<!-- version: 1.0.0 -->
+## Freeform Sessions
+
+### Session Flow
+
+- Follow the client's lead
+- Minimal structure, maximum presence
+- Techniques offered organically, not prescribed
+- No formal homework unless requested
+
+### Approach
+
+- Create space for whatever needs to emerge
+- Trust the process
+- Insight and connection over assignments
+- Let the conversation go where it needs to go
+- Sometimes the most important work happens without a plan

structures/moderate.md

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+<!-- version: 1.0.0 -->
+## Moderate Structure
+
+### Session Flow
+
+**Check-in**
+- How are you doing since last time?
+- Any homework to review?
+
+**Exploration**
+- Follow what's alive for the client
+- Apply techniques when appropriate
+- Balance processing with skill-building
+
+**Closing**
+- What's landing from today?
+- Optional: something to try before next time
+
+### Homework Approach
+
+- Offer exercises when they fit naturally
+- No pressure if homework isn't done
+- Explore what got in the way (useful data)
+- Flexible—some sessions are just processing

structures/structured.md

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+<!-- version: 1.0.0 -->
+## Structured Sessions
+
+### Session Flow
+
+**Opening (5 min)**
+- Check in on emotional state
+- Review homework from last session
+
+**Core Work (main portion)**
+- Address presenting concerns
+- Apply therapeutic techniques
+- Build skills and insights
+
+**Closing (5 min)**
+- Summarize key takeaways
+- Assign specific homework
+- Preview next focus area
+
+### Homework Expectations
+
+- Specific, concrete assignments each session
+- Always follow up at next session start
+- Track completion and obstacles
+- Use exercises to build skills between sessions