[Dashboard] Update insight events API to use chain_id instead of deprecated chain param

Updated all insight /v1/events endpoint calls to use chain_id parameter as chain is deprecated.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <[email protected]>

Author: gregfromstl

apps/dashboard/src/app/(app)/(dashboard)/(chain)/[chain_id]/[contractAddress]/analytics/utils/contract-event-breakdown.ts

@@ -27,7 +27,7 @@ export async function getContractEventBreakdown(params: {
   endDate?: Date;
 }): Promise<EventBreakdownEntry[]> {
   const queryParams = [
-    `chain=${params.chainId}`,
+    `chain_id=${params.chainId}`,
     "group_by=block_timestamp",
     "group_by=topic_0 as event_signature",
     "aggregate=toStartOfDay(toDate(block_timestamp)) as time",

apps/dashboard/src/app/(app)/(dashboard)/(chain)/[chain_id]/[contractAddress]/analytics/utils/contract-events.ts

@@ -31,7 +31,7 @@ export async function getContractEventAnalytics(params: {
   endDate?: Date;
 }): Promise<AnalyticsEntry[]> {
   const queryParams = [
-    `chain=${params.chainId}`,
+    `chain_id=${params.chainId}`,
     "group_by=block_timestamp",
     "aggregate=toStartOfDay(toDate(block_timestamp)) as time",
     "aggregate=count(block_timestamp) as count",

apps/dashboard/src/app/(app)/(dashboard)/(chain)/[chain_id]/[contractAddress]/analytics/utils/total-contract-events.ts

@@ -20,7 +20,7 @@ export async function getTotalContractEvents(params: {
   chainId: number;
 }): Promise<{ count: number }> {
   const queryParams = [
-    `chain=${params.chainId}`,
+    `chain_id=${params.chainId}`,
     "aggregate=count(block_number) as total",
   ].join("&");