claude-skills/engineering/skills/migration-architect/assets/sample_database_migration.json
Reza Rezvani 1851c8fb09 fix(plugins): restructure 9 multi-skill domain plugins into ./skills/ layout
Same root cause as #587/#591 — Claude Code's runtime loader rejects
array-form skills paths like ["./content-production", "./ai-seo", ...]
even when each entry is a valid subdirectory containing SKILL.md.
`claude plugin validate` accepts them but the loader does not.

The proven canonical layout (used by self-improving-agent in #536):

  <plugin>/
  ├── .claude-plugin/plugin.json    skills: "./skills"
  └── skills/
      ├── <skill-1>/SKILL.md
      ├── <skill-2>/SKILL.md
      └── ...

Restructured 9 multi-skill domain plugins:
- business-growth (4 skills moved)
- c-level-advisor (28)
- engineering (36)
- engineering-team (32)
- finance (2)
- marketing-skill (43)
- product-team (12)
- project-management (8)
- ra-qm-team (13)

Also fixed standalone plugins that had root SKILL.md + ./skills/ subdir
(agenthub, autoresearch-agent, executive-mentor, playwright-pro). The
loader rejected them despite skills="./skills" because of the conflicting
root SKILL.md (compare self-improving-agent which works because PR #536
moved its root SKILL.md). Moved each root SKILL.md into ./skills/<name>/.

Restored standalone plugin folders to their original paths after the
multi-skill restructure swept them into parent skills/ directories
(marketplace.json source paths require original locations).

Removed 7 orphaned marketplace entries that pointed to skill folders
without their own plugin.json (content-creator, demand-gen,
fullstack-engineer, aws-architect, product-manager, scrum-master,
skill-security-auditor) — these were already non-functional.

Bumped patch versions on every changed plugin and synced
marketplace.json. Marketplace now lists 29 working plugins (down
from 36).

After merge: users run `/plugin marketplace update claude-code-skills`
followed by `/plugin update --all` to pick up the working layout.
2026-05-02 22:51:20 +02:00

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JSON

{
"type": "database",
"pattern": "schema_change",
"source": "PostgreSQL 13 Production Database",
"target": "PostgreSQL 15 Cloud Database",
"description": "Migrate user management system from on-premises PostgreSQL to cloud with schema updates",
"constraints": {
"max_downtime_minutes": 30,
"data_volume_gb": 2500,
"dependencies": [
"user_service_api",
"authentication_service",
"notification_service",
"analytics_pipeline",
"backup_service"
],
"compliance_requirements": [
"GDPR",
"SOX"
],
"special_requirements": [
"zero_data_loss",
"referential_integrity",
"performance_baseline_maintained"
]
},
"tables_to_migrate": [
{
"name": "users",
"row_count": 1500000,
"size_mb": 450,
"critical": true
},
{
"name": "user_profiles",
"row_count": 1500000,
"size_mb": 890,
"critical": true
},
{
"name": "user_sessions",
"row_count": 25000000,
"size_mb": 1200,
"critical": false
},
{
"name": "audit_logs",
"row_count": 50000000,
"size_mb": 2800,
"critical": false
}
],
"schema_changes": [
{
"table": "users",
"changes": [
{
"type": "add_column",
"column": "email_verified_at",
"data_type": "timestamp",
"nullable": true
},
{
"type": "add_column",
"column": "phone_verified_at",
"data_type": "timestamp",
"nullable": true
}
]
},
{
"table": "user_profiles",
"changes": [
{
"type": "modify_column",
"column": "bio",
"old_type": "varchar(255)",
"new_type": "text"
},
{
"type": "add_constraint",
"constraint_type": "check",
"constraint_name": "bio_length_check",
"definition": "LENGTH(bio) <= 2000"
}
]
}
],
"performance_requirements": {
"max_query_response_time_ms": 100,
"concurrent_connections": 500,
"transactions_per_second": 1000
},
"business_continuity": {
"critical_business_hours": {
"start": "08:00",
"end": "18:00",
"timezone": "UTC"
},
"preferred_migration_window": {
"start": "02:00",
"end": "06:00",
"timezone": "UTC"
}
}
}