diff --git a/apps/sim/lib/knowledge/__integration__/scale.integration.ts b/apps/sim/lib/knowledge/__integration__/scale.integration.ts
index 72321f0fe94..a9bebc84d4b 100644
--- a/apps/sim/lib/knowledge/__integration__/scale.integration.ts
+++ b/apps/sim/lib/knowledge/__integration__/scale.integration.ts
@@ -368,9 +368,15 @@ describe.skipIf(!enabled)('knowledge scale: isolated real PostgreSQL, no provide
     )
     report['reconciliation.window.scan.plan'] = scanned['QUERY PLAN']
     saveReport()
-    expect(planIndexNames('reconciliation.window.scan')).toContain(
-      'doc_connector_reconciliation_v2_idx'
-    )
+    /**
+     * Every keyset step is an ordered index probe: through the v2 index, or the primary key when
+     * this fixture's single connector is nearly the whole table. Either is a valid plan.
+     */
+    const walkIndexes = new Set(planIndexNames('reconciliation.window.scan'))
+    expect(walkIndexes.size).toBeGreaterThan(0)
+    for (const name of walkIndexes) {
+      expect(['doc_connector_reconciliation_v2_idx', 'document_pkey']).toContain(name)
+    }
     const [removed] = await db.execute(
       sql`SELECT count(*)::int AS count FROM document WHERE connector_id = ${ids.connectorId} AND external_id::integer > ${rows - absentCount} AND deleted_at IS NOT NULL AND cardinality(acl) = 0`
     )
diff --git a/apps/sim/lib/sim-search/live/github.ts b/apps/sim/lib/sim-search/live/github.ts
index a5f69b4654a..92efd385e48 100644
--- a/apps/sim/lib/sim-search/live/github.ts
+++ b/apps/sim/lib/sim-search/live/github.ts
@@ -173,12 +173,13 @@ function groupGitHubText(query: string): string {
   return [text ? `(${text})` : '', ...qualifiers].filter(Boolean).join(' ')
 }
 
-/** GitHub rejects more than 256 characters of search text; qualifiers do not count toward it. */
 const GITHUB_TEXT_CHARACTERS = 256
-const githubTextLength = (query: string) =>
+
+/** Whether a query's search text exceeds GitHub's 256-character limit; qualifiers do not count toward it. */
+export const exceedsGitHubTextLimit = (query: string) =>
   githubTokens(query)
     .filter((token) => !GITHUB_QUALIFIER.test(token))
-    .join(' ').length
+    .join(' ').length > GITHUB_TEXT_CHARACTERS
 
 export async function searchGitHub(
   client: NativeClient,
@@ -318,7 +319,7 @@ export async function searchGitHub(
             ? `${dateField}:<=${dates.end}`
             : ''
   const datedQuery = dateRange ? [groupGitHubText(text), dateRange].filter(Boolean).join(' ') : text
-  if (githubTextLength(text) > GITHUB_TEXT_CHARACTERS)
+  if (exceedsGitHubTextLimit(text))
     throw new NativeSearchError(
       'unavailable',
       'GitHub search text is limited to 256 characters. Shorten the query.'
diff --git a/apps/sim/scripts/test-search-discussions-live.ts b/apps/sim/scripts/test-search-discussions-live.ts
index 310c1372875..8e708bf4565 100644
--- a/apps/sim/scripts/test-search-discussions-live.ts
+++ b/apps/sim/scripts/test-search-discussions-live.ts
@@ -11,7 +11,7 @@ import {
   type WorkspaceSearchFilters,
   workspaceSearchFiltersSchema,
 } from '@/lib/api/contracts/knowledge'
-import { readGitHub, searchGitHub } from '@/lib/sim-search/live/github'
+import { exceedsGitHubTextLimit, readGitHub, searchGitHub } from '@/lib/sim-search/live/github'
 import { array, object, string } from '@/lib/sim-search/live/http'
 import { defaultLiveSearchPolicy } from '@/lib/sim-search/live/policy-schema'
 import type { NativeClient, NativePage } from '@/lib/sim-search/live/types'
@@ -478,7 +478,13 @@ try {
     const payload: unknown = JSON.parse(buffer.toString('utf8', 0, length))
     cases = queryCasesSchema.parse(payload)
     for (const test of cases)
-      for (const query of [test.query, ...test.oracleQueries]) assertRepositoryScope(query)
+      for (const query of [test.query, ...test.oracleQueries]) {
+        assertRepositoryScope(query)
+        assert.ok(
+          !exceedsGitHubTextLimit(query),
+          `Case "${test.name}" exceeds GitHub's 256-character search text limit`
+        )
+      }
   } finally {
     await file.close()
   }