twenty

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Thomas Trompette c1b62334b7 fix(workflow): scope one-active-per-workflow index to workspace (#22795 )

## Problem

The Phase 0 core index \`IDX_WORKFLOW_VERSION_ONE_ACTIVE_PER_WORKFLOW\`
is on \`(workflowId) WHERE status='ACTIVE'\`, with **no
\`workspaceId\`**. But \`core.workflowVersion\` is a shared multi-tenant
table, so this enforces "one active version per workflowId **globally
across all workspaces**" instead of per workspace.

The version backfill fails on staging with:
\`\`\`
duplicate key value violates unique constraint
"IDX_WORKFLOW_VERSION_ONE_ACTIVE_PER_WORKFLOW"
Detail: Key ("workflowId")=(8b213cac-...) already exists.
\`\`\`
across several different workspaces that share the same workflowId
(seeded/cloned data): workspace A's active version claims the
workflowId, and every other workspace's insert collides. Every other
index on this table includes \`workspaceId\`; this one dropped it when
copied from the per-tenant workspace entity.

## Fix

Index becomes \`(workspaceId, workflowId) WHERE status='ACTIVE'\` — one
active version per workflow **per workspace**, matching the table's
multi-tenant design and the intended invariant. New 2-20 fast instance
command drops and recreates the index (Phase 0's command is
merged/append-only).

## Test

Reset + reproduce the exact scenario against the fixed index:
- two workspaces with the same workflowId, both ACTIVE → **insert
succeeds** (previously collided)
- a second ACTIVE version for the same workflow within one workspace →
**still blocked** (invariant preserved)

Zero \`migrate:generate\` drift, typecheck + lint clean. After this
deploys, re-run \`upgrade:2-20:backfill-workflow-version-to-core\`.

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2026-07-10 12:48:33 +00:00