Fix GoHighLevel opportunity pagination and contact dedupe.

GHL search rejects skip; page+location_id is required so nightly CRM sync can complete.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/lib/gohighlevel-sync.ts

@@ -127,11 +127,14 @@ async function listOpportunities(
   locationId: string
 ): Promise<Record<string, unknown>[]> {
   const out: Record<string, unknown>[] = [];
-  for (let skip = 0; skip < 20000; skip += 100) {
-    const j = await ghlGet(
-      token,
-      `/opportunities/search?location_id=${encodeURIComponent(locationId)}&limit=100&skip=${skip}`
-    );
+  for (let page = 1; page <= 200; page++) {
+    const q = new URLSearchParams({
+      location_id: locationId,
+      limit: '100',
+      page: String(page),
+      status: 'all',
+    });
+    const j = await ghlGet(token, `/opportunities/search?${q}`);
     const batch = (j.opportunities as Record<string, unknown>[]) || [];
     out.push(...batch);
     if (batch.length < 100) break;
@@ -191,13 +194,16 @@ export async function syncGhlTenant(opts: {
   const tid = opts.tenantId;
   try {
     const contacts = await listContacts(token, locationId);
+    const uniqueContacts = [
+      ...new Map(contacts.map((c) => [String(c.id), c])).values(),
+    ];
     await fetch(
       `${base}/rest/v1/leads?tenant_id=eq.${encodeURIComponent(tid)}&crm=eq.gohighlevel`,
       { method: 'DELETE', headers: { ...headers, Prefer: 'return=minimal' } }
     );
 
     const contactToLead = new Map<string, string>();
-    const leadRows = contacts.map((c) => {
+    const leadRows = uniqueContacts.map((c) => {
       const cid = String(c.id);
       const lid = uuid5(`ghl-lead:${tid}:${cid}`);
       contactToLead.set(cid, lid);
@@ -240,7 +246,7 @@ export async function syncGhlTenant(opts: {
         headers: {
           ...headers,
           'Content-Type': 'application/json',
-          Prefer: 'return=minimal',
+          Prefer: 'return=minimal,resolution=merge-duplicates',
         },
         body: JSON.stringify(chunk),
       });
@@ -253,12 +259,15 @@ export async function syncGhlTenant(opts: {
       listOpportunities(token, locationId),
       listPipelines(token, locationId),
     ]);
+    const uniqueOpps = [
+      ...new Map(opps.map((d) => [String(d.id), d])).values(),
+    ];
     await fetch(
       `${base}/rest/v1/deals?tenant_id=eq.${encodeURIComponent(tid)}&crm_deal_id=like.ghl:*`,
       { method: 'DELETE', headers: { ...headers, Prefer: 'return=minimal' } }
     );
 
-    const dealRows = opps.map((d) => {
+    const dealRows = uniqueOpps.map((d) => {
       const did = String(d.id);
       const stage = mapOppStatus(d.status);
       const cid = d.contactId ? String(d.contactId) : null;
@@ -293,7 +302,7 @@ export async function syncGhlTenant(opts: {
         headers: {
           ...headers,
           'Content-Type': 'application/json',
-          Prefer: 'return=minimal',
+          Prefer: 'return=minimal,resolution=merge-duplicates',
         },
         body: JSON.stringify(chunk),
       });
@@ -310,7 +319,7 @@ export async function syncGhlTenant(opts: {
         headers: {
           ...headers,
           'Content-Type': 'application/json',
-          Prefer: 'return=minimal',
+          Prefer: 'return=minimal,resolution=merge-duplicates',
         },
         body: JSON.stringify({
           status: 'connected',
@@ -336,7 +345,7 @@ export async function syncGhlTenant(opts: {
         headers: {
           ...headers,
           'Content-Type': 'application/json',
-          Prefer: 'return=minimal',
+          Prefer: 'return=minimal,resolution=merge-duplicates',
         },
         body: JSON.stringify({
           status: 'error',