feat(marketplace): command consolidation + 8 new plugins (v8.1.0 → v9.0.0) [BREAKING]
Phase 1b: Rename all ~94 commands across 12 plugins to /<noun> <action> sub-command pattern. Git-flow consolidated from 8→5 commands (commit variants absorbed into --push/--merge/--sync flags). Dispatch files, name: frontmatter, and cross-reference updates for all plugins. Phase 2: Design documents for 8 new plugins in docs/designs/. Phase 3: Scaffold 8 new plugins — saas-api-platform, saas-db-migrate, saas-react-platform, saas-test-pilot, data-seed, ops-release-manager, ops-deploy-pipeline, debug-mcp. Each with plugin.json, commands, agents, skills, README, and claude-md-integration. Marketplace grows from 12→20. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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plugins/saas-db-migrate/commands/db-migrate-plan.md
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plugins/saas-db-migrate/commands/db-migrate-plan.md
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---
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name: db-migrate plan
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description: Show execution plan with rollback strategy
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agent: migration-planner
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---
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# /db-migrate plan - Migration Execution Plan
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## Skills to Load
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- skills/rollback-patterns.md
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- skills/migration-safety.md
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- skills/visual-header.md
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## Visual Output
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Display header: `DB-MIGRATE - Plan`
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## Usage
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```
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/db-migrate plan [--target=<migration>] [--include-rollback]
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```
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**Arguments:**
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- `--target`: Plan up to specific migration (default: all pending)
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- `--include-rollback`: Show rollback plan alongside forward plan
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## Prerequisites
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Run `/db-migrate setup` first. Pending migrations must exist.
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## Process
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### 1. Determine Current State
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Query the migration history to find:
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- Latest applied migration
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- All pending (unapplied) migrations in order
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- Any out-of-order migrations (applied but not contiguous)
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### 2. Build Forward Plan
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For each pending migration, document:
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- Migration identifier and description
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- SQL operations that will execute (summarized)
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- Estimated lock duration for ALTER operations
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- Dependencies on previous migrations
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- Expected outcome (tables/columns affected)
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### 3. Build Rollback Plan (if --include-rollback)
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For each migration in reverse order, document:
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- Rollback/downgrade operations
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- Data recovery strategy (if destructive operations present)
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- Point-of-no-return warnings (migrations that cannot be fully rolled back)
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- Recommended backup steps before applying
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### 4. Risk Assessment
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Evaluate the complete plan:
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- Total number of operations
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- Presence of destructive operations (DROP, ALTER TYPE)
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- Estimated total lock time
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- Data migration volume (if data changes included)
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- Recommended maintenance window duration
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### 5. Present Plan
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Display ordered execution plan with risk indicators.
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## Output Format
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```
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+----------------------------------------------------------------------+
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| DB-MIGRATE - Plan |
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+----------------------------------------------------------------------+
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Current State: migration_005_add_user_roles (applied)
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Pending: 3 migrations
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FORWARD PLAN
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Step 1: migration_006_add_orders_table
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Operations:
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[+] CREATE TABLE orders (5 columns)
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[+] CREATE INDEX ix_orders_user_id
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[+] ADD FOREIGN KEY orders.user_id -> users.id
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Lock Impact: None (new table)
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Risk: LOW
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Step 2: migration_007_add_order_items
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Operations:
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[+] CREATE TABLE order_items (4 columns)
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[+] CREATE INDEX ix_order_items_order_id
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Lock Impact: None (new table)
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Risk: LOW
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Step 3: migration_008_add_status_to_orders
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Operations:
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[~] ADD COLUMN orders.status VARCHAR(20) DEFAULT 'pending'
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[~] ADD CHECK CONSTRAINT valid_status
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Lock Impact: ~2s (instant ADD COLUMN with DEFAULT in PostgreSQL 11+)
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Risk: LOW
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ROLLBACK PLAN
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Step 3 (reverse): Undo migration_008
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[~] DROP CONSTRAINT valid_status
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[~] DROP COLUMN orders.status
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Reversible: YES
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Step 2 (reverse): Undo migration_007
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[-] DROP TABLE order_items
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Reversible: YES (but data is lost)
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Step 1 (reverse): Undo migration_006
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[-] DROP TABLE orders
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Reversible: YES (but data is lost)
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RISK SUMMARY
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Total Operations: 9
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Destructive: 0
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Lock Time: ~2 seconds
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Risk Level: LOW
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Maintenance Window: Not required
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RECOMMENDATION: Safe to apply without maintenance window.
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```
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## Important Notes
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- The plan is informational; it does not apply any migrations
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- Lock time estimates are approximate and depend on table size
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- Always back up the database before applying destructive migrations
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- Out-of-order migrations are flagged as warnings
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