simstudioai · icecrasher321 · Aug 17, 2026 · Aug 17, 2026 · Aug 17, 2026
diff --git a/apps/sim/lib/workflows/search-replace/indexer.test.ts b/apps/sim/lib/workflows/search-replace/indexer.test.ts
@@ -127,6 +127,113 @@ describe('indexWorkflowSearchMatches', () => {
     expect(matches.some((match) => match.target.kind === 'block-name')).toBe(false)
   })
 
+  describe('block references search under the name the canvas shows', () => {
+    /**
+     * The panel's own pipeline: index everything, then keep what the query
+     * matches. Block references resolve no label of their own, so they reach the
+     * filter with `displayLabel` fallen back to the raw token, as the hydration
+     * hook leaves them.
+     */
+    function findReferenceMatches(query: string) {
+      const workflow = createSearchReplaceWorkflowFixture()
+      workflow.blocks['agent-1'].subBlocks.systemPrompt.value =
+        'Summarize <api1.output> and <deletedblock.output>, then loop <loop.index>.'
+
+      return indexWorkflowSearchMatches({
+        workflow,
+        query,
+        mode: 'all',
+        includeResourceMatchesWithoutQuery: true,
+        blockConfigs: SEARCH_REPLACE_BLOCK_CONFIGS,
+      })
+        .filter((match) => match.kind === 'workflow-reference')
+        .filter((match) =>
+          workflowSearchMatchMatchesQuery({ ...match, displayLabel: match.rawValue }, query)
+        )
+    }
+
+    it('matches a reference by the spaced block name', () => {
+      expect(findReferenceMatches('API 1').map((match) => match.rawValue)).toEqual([
+        '<api1.output>',
+      ])
+    })
+
+    it('still matches a reference by the token as stored', () => {
+      expect(findReferenceMatches('api1').map((match) => match.rawValue)).toEqual(['<api1.output>'])
+    })
+
+    it('reads the resolved name back as the block is titled', () => {
+      const [match] = findReferenceMatches('API 1')
+
+      expect(match.searchText).toBe('API 1.output')
+      expect(match.rawValue).toBe('<api1.output>')
+      expect(match.range).toEqual({ start: 10, end: 23 })
+    })
+
+    it('leaves a prefix that names no block as written', () => {
+      const matches = indexWorkflowSearchMatches({
+        workflow: (() => {
+          const workflow = createSearchReplaceWorkflowFixture()
+          workflow.blocks['agent-1'].subBlocks.systemPrompt.value =
+            'Summarize <api1.output> and <deletedblock.output>, then loop <loop.index>.'
+          return workflow
+        })(),
+        mode: 'all',
+        includeResourceMatchesWithoutQuery: true,
+        blockConfigs: SEARCH_REPLACE_BLOCK_CONFIGS,
+      })
+
+      expect(
+        matches
+          .filter((match) => match.kind === 'workflow-reference')
+          .map((match) => match.searchText)
+      ).toEqual(['API 1.output', 'deletedblock.output', 'loop.index'])
+    })
+
+    it('leaves an environment reference keyed by its variable name', () => {
+      const matches = indexWorkflowSearchMatches({
+        workflow: createSearchReplaceWorkflowFixture(),
+        mode: 'all',
+        includeResourceMatchesWithoutQuery: true,
+        blockConfigs: SEARCH_REPLACE_BLOCK_CONFIGS,
+      })
+
+      expect(
+        matches.filter((match) => match.kind === 'environment').map((match) => match.searchText)
+      ).toEqual(['OLD_SECRET', 'OLD_SECRET'])
+    })
+
+    /**
+     * Legacy workflows can hold two names that collide only now that
+     * `normalizeName` strips dots. `BlockResolver` gives the key to the dot-free
+     * name whichever order the blocks arrive in, so search has to name the same
+     * block or it would label the reference with a title that block does not own
+     * at execution time.
+     */
+    it.each([
+      ['dotted first', ['Hunter.io 1', 'Hunterio 1']],
+      ['dot-free first', ['Hunterio 1', 'Hunter.io 1']],
+    ])('names a legacy dot collision after the dot-free block (%s)', (_order, names) => {
+      const workflow = createSearchReplaceWorkflowFixture()
+      workflow.blocks['knowledge-1'].name = names[0]
+      workflow.blocks['api-1'].name = names[1]
+      workflow.blocks['agent-1'].subBlocks.systemPrompt.value = 'Read <hunterio1.email>.'
+
+      const matches = indexWorkflowSearchMatches({
+        workflow,
+        mode: 'all',
+        includeResourceMatchesWithoutQuery: true,
+        blockConfigs: SEARCH_REPLACE_BLOCK_CONFIGS,
+      })
+
+      expect(
+        matches
+          .filter((match) => match.kind === 'workflow-reference')
+          .map((match) => match.searchText)
+      ).toEqual(['Hunterio 1.email'])
+    })
+  })
+
   it('does not index internal row metadata in structured subblock values', () => {
     const workflow = createSearchReplaceWorkflowFixture()
 

diff --git a/apps/sim/lib/workflows/search-replace/indexer.ts b/apps/sim/lib/workflows/search-replace/indexer.ts
@@ -10,10 +10,12 @@ import {
   shouldParseSerializedSubBlockValue,
 } from '@/lib/workflows/search-replace/json-value-fields'
 import {
+  buildBlockNamesByReferencePrefix,
   getResourceKindForSubBlock,
   matchesSearchText,
   parseInlineReferences,
   parseStructuredResourceReferences,
+  resolveInlineReferenceSearchText,
 } from '@/lib/workflows/search-replace/resources'
 import { getWorkflowSearchSubflowFields } from '@/lib/workflows/search-replace/subflow-fields'
 import type {
@@ -937,6 +939,7 @@ function addToolInputMatches({
   blockConfigs,
   customTools,
   mcpToolNamesById,
+  blockNamesByReferencePrefix,
 }: {
   matches: WorkflowSearchMatch[]
   block: WorkflowSearchBlockState
@@ -958,6 +961,7 @@ function addToolInputMatches({
   blockConfigs?: WorkflowSearchIndexerOptions['blockConfigs']
   customTools?: WorkflowSearchIndexerOptions['customTools']
   mcpToolNamesById?: WorkflowSearchIndexerOptions['mcpToolNamesById']
+  blockNamesByReferencePrefix: ReadonlyMap<string, string>
 }) {
   const parentCanonicalModes = getSearchCanonicalModes(block)
 
@@ -1058,7 +1062,11 @@ function addToolInputMatches({
       for (const leaf of getSearchableStringLeaves(paramValue, subBlockType, 'reference')) {
         const inlineReferences = parseInlineReferences(leaf.value)
         inlineReferences.forEach((reference, referenceIndex) => {
-          const searchable = `${reference.rawValue} ${reference.searchText}`
+          const searchText = resolveInlineReferenceSearchText(
+            reference,
+            blockNamesByReferencePrefix
+          )
+          const searchable = `${reference.rawValue} ${reference.searchText} ${searchText}`
           if (
             !includeResourceMatchesWithoutQuery &&
             !matchesSearchText(searchable, query, caseSensitive)
@@ -1088,7 +1096,7 @@ function addToolInputMatches({
             target: { kind: 'subblock' },
             kind: reference.kind,
             rawValue: reference.rawValue,
-            searchText: reference.searchText,
+            searchText,
             range: reference.range,
             dependentValuePaths: nestedDependentValuePaths,
             resource: reference.resource,
@@ -1250,6 +1258,7 @@ export function indexWorkflowSearchMatches(
 
   const matches: WorkflowSearchMatch[] = []
   const resourceQueryEnabled = includeResourceMatchesWithoutQuery || Boolean(query)
+  const blockNamesByReferencePrefix = buildBlockNamesByReferencePrefix(workflow.blocks)
 
   for (const block of Object.values(workflow.blocks)) {
     const blockConfig = blockConfigs[block.type] ?? getBlock(block.type)
@@ -1383,6 +1392,7 @@ export function indexWorkflowSearchMatches(
           blockConfigs,
           customTools,
           mcpToolNamesById,
+          blockNamesByReferencePrefix,
         })
         continue
       }
@@ -1471,7 +1481,11 @@ export function indexWorkflowSearchMatches(
       for (const leaf of referenceLeaves) {
         const inlineReferences = parseInlineReferences(leaf.value)
         inlineReferences.forEach((reference, referenceIndex) => {
-          const searchable = `${reference.rawValue} ${reference.searchText}`
+          const searchText = resolveInlineReferenceSearchText(
+            reference,
+            blockNamesByReferencePrefix
+          )
+          const searchable = `${reference.rawValue} ${reference.searchText} ${searchText}`
           if (
             !includeResourceMatchesWithoutQuery &&
             !matchesSearchText(searchable, query, caseSensitive)
@@ -1499,7 +1513,7 @@ export function indexWorkflowSearchMatches(
             target: { kind: 'subblock' },
             kind: reference.kind,
             rawValue: reference.rawValue,
-            searchText: reference.searchText,
+            searchText,
             range: reference.range,
             resource: reference.resource,
             editable,

diff --git a/apps/sim/lib/workflows/search-replace/resources/references.ts b/apps/sim/lib/workflows/search-replace/resources/references.ts
@@ -8,6 +8,7 @@ import type {
   WorkflowSearchResourceMeta,
 } from '@/lib/workflows/search-replace/types'
 import type { SubBlockConfig } from '@/blocks/types'
+import { normalizeName, REFERENCE } from '@/executor/constants'
 import { createEnvVarPattern, createReferencePattern } from '@/executor/utils/reference-validation'
 import type { SelectorContext } from '@/hooks/selectors/types'
 
@@ -67,6 +68,70 @@ export function parseInlineReferences(value: string): ParsedInlineReference[] {
   return references.sort((a, b) => a.range.start - b.range.start)
 }
 
+/**
+ * Indexes a workflow's block names by the prefix their references carry, so a
+ * parsed reference can be read back as the name the canvas shows.
+ *
+ * Creating or renaming a block enforces uniqueness at the normalized level, but
+ * legacy workflows can still hold two names that collide only now that
+ * `normalizeName` strips dots. `BlockResolver` settles that tie by letting the
+ * dot-free name keep ownership of the key, so previously working references
+ * never change targets; this mirrors that rule rather than taking whichever
+ * block happens to be iterated last, so search names the block a reference
+ * actually resolves to at execution time.
+ *
+ * Blank names are skipped rather than mapped to an empty prefix.
+ */
+export function buildBlockNamesByReferencePrefix(
+  blocks: Record<string, { name?: string }>
+): Map<string, string> {
+  const namesByPrefix = new Map<string, string>()
+
+  for (const block of Object.values(blocks)) {
+    if (typeof block.name !== 'string') continue
+    const prefix = normalizeName(block.name)
+    if (!prefix) continue
+
+    const incumbent = namesByPrefix.get(prefix)
+    if (incumbent === undefined || incumbent.includes(REFERENCE.PATH_DELIMITER)) {
+      namesByPrefix.set(prefix, block.name)
+    }
+  }
+
+  return namesByPrefix
+}
+
+/**
+ * Rewrites a block reference's search text into the name the block is shown
+ * under, so searching reads the same as the canvas does.
+ *
+ * A reference stores its target as `normalizeName(block.name)` - lowercased with
+ * whitespace and dots stripped - so a block headed "Send Email" is written
+ * `<sendemail.content>`. Searching the two words the card shows found the block
+ * itself but none of its references; only the run-together form found those.
+ *
+ * Only the prefix is rewritten. What follows it is the block's output path, not
+ * a name. A prefix that names no block - a system prefix like `loop`, or a
+ * reference left behind by a deleted block - is left exactly as written, and so
+ * is an environment reference, whose search text is its key rather than a name.
+ */
+export function resolveInlineReferenceSearchText(
+  reference: ParsedInlineReference,
+  blockNamesByReferencePrefix: ReadonlyMap<string, string>
+): string {
+  if (reference.kind !== 'workflow-reference') return reference.searchText
+
+  const delimiterIndex = reference.searchText.indexOf(REFERENCE.PATH_DELIMITER)
+  const prefix =
+    delimiterIndex === -1 ? reference.searchText : reference.searchText.slice(0, delimiterIndex)
+  const blockName = blockNamesByReferencePrefix.get(normalizeName(prefix))
+  if (!blockName || blockName === prefix) return reference.searchText
+
+  return delimiterIndex === -1
+    ? blockName
+    : `${blockName}${reference.searchText.slice(delimiterIndex)}`
+}
+
 export function parseStructuredResourceReferences(
   value: unknown,
   subBlockConfig?: Pick<SubBlockConfig, 'type' | 'serviceId' | 'selectorKey' | 'requiredScopes'>,