fix(kb): simplify tag slot reuse, revert Linear GraphQL types to String

Clean up newTagSlotMapping into direct assignment, remove unnecessary
comment, and revert ID! back to String! to match Linear SDK types.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: waleedlatif1

apps/sim/app/api/knowledge/[id]/connectors/route.ts

@@ -151,7 +151,7 @@ export async function POST(request: NextRequest, { params }: { params: Promise<{
     }
 
     const tagSlotMapping: Record<string, string> = {}
-    const newTagSlotMapping: Record<string, string> = {}
+    let newTagSlots: Record<string, string> = {}
 
     if (connectorConfig.tagDefinitions?.length) {
       const disabledIds = new Set((sourceConfig.disabledTagIds as string[] | undefined) ?? [])
@@ -168,7 +168,6 @@ export async function POST(request: NextRequest, { params }: { params: Promise<{
       const usedSlots = new Set<string>(existingDefs.map((d) => d.tagSlot))
       const existingByName = new Map(existingDefs.map((d) => [d.displayName, d.tagSlot]))
 
-      /** Reuse existing tag definitions that match by display name */
       const defsNeedingSlots: typeof enabledDefs = []
       for (const td of enabledDefs) {
         const existingSlot = existingByName.get(td.displayName)
@@ -181,7 +180,7 @@ export async function POST(request: NextRequest, { params }: { params: Promise<{
 
       const { mapping, skipped: skippedTags } = allocateTagSlots(defsNeedingSlots, usedSlots)
       Object.assign(tagSlotMapping, mapping)
-      Object.assign(newTagSlotMapping, mapping)
+      newTagSlots = mapping
 
       for (const name of skippedTags) {
         logger.warn(`[${requestId}] No available slots for "${name}"`)
@@ -215,7 +214,7 @@ export async function POST(request: NextRequest, { params }: { params: Promise<{
         throw new Error('Knowledge base not found')
       }
 
-      for (const [semanticId, slot] of Object.entries(newTagSlotMapping)) {
+      for (const [semanticId, slot] of Object.entries(newTagSlots)) {
         const td = connectorConfig.tagDefinitions!.find((d) => d.id === semanticId)!
         await createTagDefinition(
           {

apps/sim/connectors/linear/linear.ts

@@ -119,7 +119,7 @@ const ISSUE_FIELDS = `
 `
 
 const ISSUE_BY_ID_QUERY = `
-  query GetIssue($id: ID!) {
+  query GetIssue($id: String!) {
     issue(id: $id) {
       ${ISSUE_FIELDS}
     }
@@ -147,13 +147,13 @@ function buildIssuesQuery(sourceConfig: Record<string, unknown>): {
   const variables: Record<string, unknown> = {}
 
   if (teamId) {
-    varDefs.push('$teamId: ID!')
+    varDefs.push('$teamId: String!')
     filterClauses.push('team: { id: { eq: $teamId } }')
     variables.teamId = teamId
   }
 
   if (projectId) {
-    varDefs.push('$projectId: ID!')
+    varDefs.push('$projectId: String!')
     filterClauses.push('project: { id: { eq: $projectId } }')
     variables.projectId = projectId
   }