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/10-seo-technical-audit/desktop/SKILL.md

@@ -1,9 +1,3 @@
----
-name: seo-technical-audit
-description: "Technical SEO auditor for crawlability fundamentals. Triggers: robots.txt, sitemap validation, crawlability, indexing check, technical SEO."
-allowed-tools: mcp__firecrawl__*, mcp__perplexity__*, mcp__notion__*
----
-
 # SEO Technical Audit
 
 ## Purpose

custom-skills/10-seo-technical-audit/desktop/skill.yaml

@@ -0,0 +1,13 @@
+# Skill metadata (extracted from SKILL.md frontmatter)
+
+name: seo-technical-audit
+description: |
+  Technical SEO auditor for crawlability fundamentals. Triggers: robots.txt, sitemap validation, crawlability, indexing check, technical SEO.
+
+# Optional fields
+allowed-tools:
+  - mcp__firecrawl__*
+  - mcp__perplexity__*
+  - mcp__notion__*
+
+# triggers: []  # TODO: Extract from description

custom-skills/10-seo-technical-audit/desktop/tools/firecrawl.md

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

custom-skills/10-seo-technical-audit/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

custom-skills/10-seo-technical-audit/desktop/tools/perplexity.md

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