Add docs, scripts, skills, commands, and taskmaster config to repo

Includes:
- docs/: architecture, block-schema, migration-plan, product-specification
- scripts/: bidi_table, decompose-decisions, extract-claims, seed-knowledge, etc.
- skill-legal-decision/: SKILL.md + references + block-schema
- skill-legal-assistant/: SKILL.md
- skill-legal-docx/: SKILL.md + references
- .claude/commands/: bidi-table skill
- .taskmaster/: task config + PRDs
- .gitignore: exclude legacy/, kiryat-yearim/, node_modules/, memory/

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

docs/migration-plan.md

@@ -0,0 +1,50 @@
+# Migration Plan — Dafna Vault → Nautilus
+
+## Source
+- Obsidian vault at `/opt/apps/vaults/dafna-tamir/`
+- Claude memory at `/home/chaim/.claude/projects/-opt-apps-vaults-dafna-tamir/memory/`
+- 229MB compressed (excluding node_modules, .git)
+
+## Target
+- PostgreSQL on Nautilus (legal-ai-postgres)
+- File storage on Nautilus
+- Gitea repository for code/scripts
+
+## What to Migrate
+
+### Knowledge (Priority 1 — enables RAG immediately)
+| Source | Target Table | Records |
+|--------|-------------|---------|
+| memory/legal-decision-lessons.md | lessons_learned | ~12 lessons |
+| SKILL.md section 5.2 | transition_phrases | ~30 phrases |
+| Published decisions (citations) | case_law | ~20 cases |
+| SKILL.md section 6.9 | statutory_provisions | ~10 statutes |
+
+### Appeals (Priority 2)
+| Source | Target Table | Records |
+|--------|-------------|---------|
+| 01_Projects/*/README.md | appeals | 3 active |
+| 04_Archive/*/README.md | appeals | 14 archived |
+| All case headers | parties | ~50 |
+| All case headers | panels | ~17 |
+
+### Documents (Priority 3)
+| Source | Target Table | Records |
+|--------|-------------|---------|
+| */חומרי-מקור/**/*.pdf | documents | ~200 PDFs |
+| */חומרי-מקור/**/*.md | documents | ~100 MDs |
+| */החלטה/*.docx | documents | ~10 DOCXs |
+
+### Decisions (Priority 4)
+| Source | Target Table | Records |
+|--------|-------------|---------|
+| הכט published PDF | decisions + blocks + paragraphs | 1 complete |
+| בית הכרם Draft 9 | decisions + blocks + paragraphs | 1 complete |
+| קרית יערים draft | decisions + blocks | 1 in progress |
+
+### Embeddings (Priority 5)
+| Source | Target Table | Records |
+|--------|-------------|---------|
+| All MD source docs | document_embeddings | ~500 chunks |
+| Decision paragraphs | paragraph_embeddings | ~300 paragraphs |
+| Case law summaries | case_law_embeddings | ~20 summaries |