feat: add reviewed table structure editor

[Bhavik-ag]

Summary

• edit existing PostgreSQL table columns, constraints, and indexes
• preview generated SQL before every schema change
• require typed confirmation for production connections
• preserve exact PostgreSQL type modifiers and support reviewed USING expressions

Validation

• 73 tests
• desktop and shared TypeScript checks
• desktop lint
• production build
• git diff --check

[vercel]

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2 Skipped Deployments

Project	Deployment	Actions	Updated
dbdesk-web	Ignored		Sep 19, 2026 3:21am UTC
dbdesk-server	Skipped		Sep 19, 2026 3:21am UTC

[greptile-apps]

Confidence Score: 5/5

The PR appears safe to merge; no actionable new issue or outstanding previous finding remains.

Summary

Adds a reviewed PostgreSQL table-structure editor with SQL preview, production confirmation, exact type-modifier introspection, metadata refresh, and tests.

• Supports column, constraint, and index operations.
• Generates and previews one guarded PostgreSQL statement before execution.
• Refreshes table introspection and workspace column metadata after successful changes.
• Migrates the editor form to TanStack Form as required by repository guidance.
• Changes since the previous review do not introduce an actionable issue.

_{Reviews (4) · Last reviewed commit: "feat: add reviewed table structure edito..."}