diff --git a/eslint.config.mjs b/eslint.config.mjs
index 9953f30e..953ca8d4 100644
--- a/eslint.config.mjs
+++ b/eslint.config.mjs
@@ -119,7 +119,10 @@ const eslintConfig = [
   {
     // src/lib is the pure, client-safe layer (docs/ARCHITECTURE.md): it must
     // never depend on Payload/Next server code, on utilities/, or on higher
-    // layers. Sharing types across the boundary is always fine.
+    // layers. Types shared with utilities live in lib contract modules and
+    // utilities re-export FROM lib — a lib module type-importing utilities
+    // inverts the direction anyway (Pass 4: suggestionCatalog did exactly
+    // that for a type whose source already lived in lib).
     files: ['src/lib/**/*.{ts,tsx}'],
     rules: {
       '@typescript-eslint/no-restricted-imports': [
@@ -129,8 +132,8 @@ const eslintConfig = [
             {
               group: ['@/utilities/**', '@/components/**', '@/app/**'],
               message:
-                'src/lib is the pure layer — it must not depend on utilities/components/app. Move the pure logic into lib/ or this module into utilities/.',
-              allowTypeImports: true,
+                'src/lib is the pure layer — it must not depend on utilities/components/app. Move the pure logic into lib/ or this module into utilities/. Shared types live in lib contract modules.',
+              allowTypeImports: false,
             },
             {
               group: ['payload', 'payload/**', '@payload-config', 'next', 'next/**'],
diff --git a/src/lib/engagementLevel.ts b/src/lib/engagementLevel.ts
index 84fffbc1..cd93387c 100644
--- a/src/lib/engagementLevel.ts
+++ b/src/lib/engagementLevel.ts
@@ -9,6 +9,8 @@
  * one object so recalibration is a one-line diff.
  */
 
+import { DAY_MS } from '@/lib/text'
+
 export const engagementLevels = ['n0', 'n1', 'n2', 'n3', 'n4'] as const
 
 /** `allocationDecision.patternId` under which every level movement is filed. */
@@ -94,8 +96,6 @@ export type EngagementLevelMovementInput = {
   triangulatedShock: boolean
 }
 
-const DAY_MS = 24 * 60 * 60 * 1000
-
 const daysBetween = (from: Date, to: Date): number => (to.getTime() - from.getTime()) / DAY_MS
 
 const isSameCalendarMonth = (left: Date, right: Date): boolean =>
diff --git a/src/lib/suggestionCatalog.ts b/src/lib/suggestionCatalog.ts
index c55dcdc6..e13f87bc 100644
--- a/src/lib/suggestionCatalog.ts
+++ b/src/lib/suggestionCatalog.ts
@@ -10,9 +10,9 @@ import {
 } from '@/lib/electionYears'
 import type { EngagementLevel } from '@/lib/engagementLevel'
 import { engagementLevelRank } from '@/lib/engagementLevel'
+import type { MunicipalityTerritorialClass } from '@/lib/territorialClassAnchors'
 import { DAY_MS } from '@/lib/text'
 import type { AllocationDecision } from '@/payload-types'
-import type { MunicipalityTerritorialClass } from '@/utilities/municipality/municipalityTerritorialClass'
 
 /**
  * E11 "motor de sugestões" — the versioned, curated catalog of data→decision
diff --git a/src/utilities/homeSearch/searchHomeAdvisors.ts b/src/utilities/homeSearch/searchHomeAdvisors.ts
index 6876bb99..c60f9fd5 100644
--- a/src/utilities/homeSearch/searchHomeAdvisors.ts
+++ b/src/utilities/homeSearch/searchHomeAdvisors.ts
@@ -29,7 +29,8 @@ export const searchHomeAdvisors = async (
 
   const normalizedQuery = normalizeHomeSearchName(query)
 
-  // Intentional admin bypass — unrestricted staff gate already ran in the route.
+  // Under access (`overrideAccess: false`): the unrestricted-staff gate ran
+  // above, so the advisor directory is only queried for coordinator/candidate.
   const result = await payload.find({
     collection: 'campaignUser',
     where: { role: { equals: 'advisor' } },
diff --git a/tests/unit/localApiOverrideAccessConventions.unit.spec.ts b/tests/unit/localApiOverrideAccessConventions.unit.spec.ts
new file mode 100644
index 00000000..7adb5c08
--- /dev/null
+++ b/tests/unit/localApiOverrideAccessConventions.unit.spec.ts
@@ -0,0 +1,86 @@
+import { readdirSync, readFileSync } from 'node:fs'
+import { relative, resolve } from 'node:path'
+import { describe, expect, it } from 'vitest'
+
+// Pass 4 (2026-07-31): the engineering standard is "Local API with `user`
+// always with `overrideAccess: false`; bypass admin só com comentário
+// justificando" — but until now nothing failed the build when a call passed
+// `user` and simply omitted `overrideAccess` (Payload then bypasses access
+// silently). Measured baseline at adoption: 59 calls with `user`, 0 missing
+// (the undocumented-bypass ratchet in codebaseConventions covers the `true`
+// side; this guard covers the omission side).
+//
+// Companion rule: the `server-only` sweep in codebaseConventions only sees
+// static imports, so a runtime `await import('payload')` in utilities would
+// dodge the mark. Banned outright — use a static import and the mark.
+
+const repoRoot = process.cwd()
+const repoPath = (absolute: string) => relative(repoRoot, absolute)
+
+const srcFiles = readdirSync(resolve(repoRoot, 'src'), { recursive: true, withFileTypes: true })
+  .filter((entry) => entry.isFile() && /\.(ts|tsx)$/.test(entry.name))
+  .map((entry) => resolve(entry.parentPath, entry.name))
+
+const CALL_PATTERN =
+  /payload\.(find|create|update|delete|count|findByID|findGlobal|updateGlobal)\s*\(\s*\{/g
+
+/** Brace-matches the first `{…}` object literal starting at `openIndex`. */
+const callObjectBody = (source: string, openIndex: number): string => {
+  let depth = 0
+  for (let index = openIndex; index < source.length; index++) {
+    if (source[index] === '{') depth++
+    else if (source[index] === '}') {
+      depth--
+      if (depth === 0) return source.slice(openIndex, index + 1)
+    }
+  }
+  return source.slice(openIndex)
+}
+
+describe('Local API overrideAccess discipline (Pass 4)', () => {
+  it('declares overrideAccess on every payload call that passes user', () => {
+    const offenders: string[] = []
+
+    for (const file of srcFiles) {
+      const source = readFileSync(file, 'utf8')
+      CALL_PATTERN.lastIndex = 0
+      let match: RegExpExecArray | null
+      while ((match = CALL_PATTERN.exec(source)) !== null) {
+        const openIndex = source.indexOf('{', match.index)
+        const body = callObjectBody(source, openIndex)
+        if (!/\buser\s*:/.test(body)) continue
+        if (/overrideAccess\s*:/.test(body)) continue
+        const line = source.slice(0, match.index).split('\n').length
+        offenders.push(`${repoPath(file)}:${line} (payload.${match[1]})`)
+      }
+    }
+
+    expect(
+      offenders,
+      'Local API with `user` must declare overrideAccess (false under access; true only with the justifying comment)',
+    ).toEqual([])
+  })
+
+  it('bans runtime dynamic import/require of server-bound modules in utilities', () => {
+    const offenders: string[] = []
+    const dynamicServerImport =
+      /\bawait\s+import\(\s*['"](?:payload|@payload-config|next\/(?:cache|server|headers))['"]\s*\)/
+    const requireServerModule = /\brequire\(\s*['"](?:payload|@payload-config)['"]\s*\)/
+
+    for (const file of srcFiles) {
+      const path = repoPath(file)
+      if (!path.startsWith('src/utilities/')) continue
+      const lines = readFileSync(file, 'utf8').split('\n')
+      for (const [index, line] of lines.entries()) {
+        if (dynamicServerImport.test(line) || requireServerModule.test(line)) {
+          offenders.push(`${path}:${index + 1}`)
+        }
+      }
+    }
+
+    expect(
+      offenders,
+      "use a static import plus `import 'server-only'` — dynamic imports dodge the boundary sweep",
+    ).toEqual([])
+  })
+})