navidocs/intelligence/session-4/s4-h09-ifbus-handoff.json

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  "content": {
    "agent_id": "S4-H09",
    "role": "Database Migration Planner",
    "task": "Create migration scripts with rollback procedures for all new tables",
    "status": "COMPLETE",
    "completion_timestamp": "2025-11-13T01:50:00Z",

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    "migration_summary": {
      "total_tables": 5,
      "tables": [
        {
          "name": "warranty_tracking",
          "purpose": "Track product warranties with automatic expiration calculations",
          "columns": 13,
          "indexes": 4,
          "dependencies": ["entities (boat_id FK)"],
          "migration_file": "20251113_001_add_warranty_tracking.sql"
        },
        {
          "name": "sale_workflows",
          "purpose": "Manage yacht sale workflows including package generation and buyer transfer",
          "columns": 14,
          "indexes": 7,
          "dependencies": ["entities (boat_id FK)", "users (initiated_by FK)"],
          "migration_file": "20251113_002_add_sale_workflows.sql"
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        {
          "name": "webhooks",
          "purpose": "External event subscriptions for Home Assistant, MLS, and other integrations",
          "columns": 11,
          "indexes": 5,
          "dependencies": ["organizations (organization_id FK)"],
          "migration_file": "20251113_003_add_webhooks.sql"
        },
        {
          "name": "notification_templates",
          "purpose": "Reusable templates for email, SMS, push, and in-app notifications",
          "columns": 11,
          "indexes": 5,
          "dependencies": "None (standalone reference data)",
          "migration_file": "20251113_004_add_notification_templates.sql"
        },
        {
          "name": "notifications",
          "purpose": "In-app notification center with read/unread tracking and 30-day auto-expiration",
          "columns": 15,
          "indexes": 7,
          "dependencies": ["users (user_id FK)", "entities (boat_id FK)", "documents (document_id FK)"],
          "migration_file": "20251113_005_add_notifications.sql"
        }
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      "total_indexes": 21,
      "total_columns": 64
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      "all_tables_rollback": true,
      "rollback_strategy": "Full database backup restoration (5-10 minutes) or individual DROP TABLE statements (< 1 minute per table)",
      "data_loss_risk": "None - all new tables only, original schema untouched",
      "downtime_required": "< 5 minutes",
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      "performance_baseline": "Yes - includes baseline query performance tests",
      "post_migration_smoke_tests": "Yes - 4 test suites included",
      "data_migration_tests": "Yes - orphaned FK detection included",
      "integration_test_examples": "Yes - Mocha/Chai examples provided"
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      "migration_scripts": "Full SQL with comments",
      "rollback_scripts": "Complete DOWN migrations",
      "testing_procedures": "Bash scripts and SQL commands",
      "backup_strategy": "Pre-migration, incremental, retention policy",
      "deployment_checklist": "Pre/during/post deployment steps",
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    "deployment_readiness": {
      "status": "READY FOR PRODUCTION",
      "prerequisite_tasks": "None - migrations are independent",
      "blocking_tasks": "None",
      "sequence": "Sequential execution (Table 1-5) or parallel (all independent)",
      "estimated_duration": "< 5 seconds (new tables only, no data transformation)"
    },

    "key_metrics": {
      "documentation_coverage": "100% - all 5 tables fully documented",
      "rollback_capability": "100% - all changes reversible",
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        "Backup strategy with 30-day retention",
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        "Add 'Verify all indexes created' to post-deployment validation",
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        "Reference backup retention policy in deployment documentation"
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      "critical_path_impact": "Unblocks ALL Week 1 tasks (Event Bus, Security Fixes, Background Jobs depend on schema being ready)"
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