feat(reference-curator): Add pipeline orchestrator and refactor skill format

Pipeline Orchestrator:
- Add 07-pipeline-orchestrator skill with code/CLAUDE.md and desktop/SKILL.md
- Add /reference-curator-pipeline slash command for full workflow automation
- Add pipeline_runs and pipeline_iteration_tracker tables to schema.sql
- Add v_pipeline_status and v_pipeline_iterations views
- Add pipeline_config.yaml configuration template
- Update AGENTS.md with Reference Curator Skills section
- Update claude-project files with pipeline documentation

Skill Format Refactoring:
- Extract YAML frontmatter from SKILL.md files to separate skill.yaml
- Add tools/ directories with MCP tool documentation
- Update SKILL-FORMAT-REQUIREMENTS.md with new structure
- Add migrate-skill-structure.py script for format conversion

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

custom-skills/31-notion-organizer/desktop/SKILL.md

@@ -1,9 +1,3 @@
----
-name: notion-organizer
-description: Notion workspace management agent for organizing, restructuring, consolidating, and maintaining databases and pages. Use when user asks to search Notion, organize databases, clean up properties, migrate data, merge databases, audit schemas, or manage Notion content. Activates for keywords like Notion, database, knowledge base, wiki, workspace organization.
-allowed-tools: mcp__notion__*, Read, Write, Edit, Bash(python:*), Bash(pip:*)
----
-
 # Notion Organizer Skill
 
 ## Purpose

custom-skills/31-notion-organizer/desktop/skill.yaml

@@ -0,0 +1,16 @@
+# Skill metadata (extracted from SKILL.md frontmatter)
+
+name: notion-organizer
+description: |
+  Notion workspace management agent for organizing, restructuring, consolidating, and maintaining databases and pages. Use when user asks to search Notion, organize databases, clean up properties, migrate data, merge databases, audit schemas, or manage Notion content. Activates for keywords like Notion, database, knowledge base, wiki, workspace organization.
+
+# Optional fields
+allowed-tools:
+  - mcp__notion__*
+  - Read
+  - Write
+  - Edit
+  - Bash(python:*)
+  - Bash(pip:*)
+
+# triggers: []  # TODO: Extract from description

custom-skills/31-notion-organizer/desktop/tools/claude-core.md

@@ -0,0 +1,15 @@
+# Claude Core Tools (Read, Write, Edit, Bash, Glob, Grep)
+
+> TODO: Document tool usage for this skill
+
+## Available Commands
+
+- [ ] List commands
+
+## Configuration
+
+- [ ] Add configuration details
+
+## Examples
+
+- [ ] Add usage examples

custom-skills/31-notion-organizer/desktop/tools/notion.md

@@ -0,0 +1,15 @@
+# Notion
+
+> TODO: Document tool usage for this skill
+
+## Available Commands
+
+- [ ] List commands
+
+## Configuration
+
+- [ ] Add configuration details
+
+## Examples
+
+- [ ] Add usage examples