feat: add attachment count to notes list and enhance monitoring

- Add attachmentCount field to GET /api/notes response for efficient UI rendering
- Create NoteWithAttachmentCount type for improved type safety
- Integrate New Relic APM monitoring for observability
- Increase free tier note limit from 100 to 1000 notes

Author: rui-batalabs

newrelic.js

@@ -0,0 +1,33 @@
+'use strict'
+
+/**
+ * New Relic agent configuration.
+ */
+exports.config = {
+  app_name: [process.env.NEW_RELIC_APP_NAME || 'Typelets API'],
+  license_key: process.env.NEW_RELIC_LICENSE_KEY || '',
+  logging: {
+    level: process.env.NEW_RELIC_LOG_LEVEL || 'info',
+    filepath: 'stdout'
+  },
+  application_logging: {
+    forwarding: {
+      enabled: true
+    }
+  },
+  allow_all_headers: true,
+  attributes: {
+    exclude: [
+      'request.headers.cookie',
+      'request.headers.authorization',
+      'request.headers.proxyAuthorization',
+      'request.headers.setCookie*',
+      'request.headers.x*',
+      'response.headers.cookie',
+      'response.headers.authorization',
+      'response.headers.proxyAuthorization',
+      'response.headers.setCookie*',
+      'response.headers.x*'
+    ]
+  }
+}

package.json

@@ -47,7 +47,8 @@
     "hono": "^4.8.3",
     "postgres": "^3.4.7",
     "ws": "^8.18.3",
-    "zod": "^3.25.67"
+    "zod": "^3.25.67",
+    "newrelic": "latest"
   },
   "devDependencies": {
     "@semantic-release/changelog": "^6.0.3",
@@ -76,4 +77,4 @@
     "pnpm": ">=9.15.0"
   },
   "packageManager": "pnpm@9.15.0"
-}
+}

pnpm-lock.yaml

@@ -8,8 +8,8 @@ import { HTTPException } from "hono/http-exception";
 
 export const checkNoteLimits = async (c: Context, next: Next) => {
   const userId = c.get("userId");
-  
-  const FREE_TIER_NOTE_LIMIT = process.env.FREE_TIER_NOTE_LIMIT ? parseInt(process.env.FREE_TIER_NOTE_LIMIT) : 100;
+
+  const FREE_TIER_NOTE_LIMIT = process.env.FREE_TIER_NOTE_LIMIT ? parseInt(process.env.FREE_TIER_NOTE_LIMIT) : 1000;
 
   const { db, notes } = await import("../db");
   const { eq, and, count, isNull, or } = await import("drizzle-orm");
@@ -99,9 +99,9 @@ export const checkStorageLimits = (expectedFileSizeBytes: number) => {
  */
 export const checkUsageLimits = async (c: Context, next: Next) => {
   const userId = c.get("userId");
-  
+
   const FREE_TIER_STORAGE_GB = process.env.FREE_TIER_STORAGE_GB ? parseFloat(process.env.FREE_TIER_STORAGE_GB) : 1;
-  const FREE_TIER_NOTE_LIMIT = process.env.FREE_TIER_NOTE_LIMIT ? parseInt(process.env.FREE_TIER_NOTE_LIMIT) : 100;
+  const FREE_TIER_NOTE_LIMIT = process.env.FREE_TIER_NOTE_LIMIT ? parseInt(process.env.FREE_TIER_NOTE_LIMIT) : 1000;
 
   const { db, fileAttachments, notes } = await import("../db");
   const { eq, and, sum, count, isNull, or } = await import("drizzle-orm");

src/middleware/usage.ts

@@ -68,11 +68,19 @@ notesRouter.get("/", zValidator("query", notesQuerySchema), async (c) => {
     offset,
     with: {
       folder: true,
+      attachments: true,
     },
   });
 
+  // Add attachmentCount to each note and remove full attachments array
+  const notesWithAttachmentCount = userNotes.map(note => ({
+    ...note,
+    attachmentCount: note.attachments.length,
+    attachments: undefined,
+  }));
+
   return c.json({
-    notes: userNotes,
+    notes: notesWithAttachmentCount,
     pagination: {
       page: query.page,
       limit: query.limit,

src/routes/notes.ts

@@ -12,7 +12,7 @@ usersRouter.get("/me", async (c) => {
   }
 
   const FREE_TIER_STORAGE_GB = process.env.FREE_TIER_STORAGE_GB ? parseFloat(process.env.FREE_TIER_STORAGE_GB) : 1;
-  const FREE_TIER_NOTE_LIMIT = process.env.FREE_TIER_NOTE_LIMIT ? parseInt(process.env.FREE_TIER_NOTE_LIMIT) : 100;
+  const FREE_TIER_NOTE_LIMIT = process.env.FREE_TIER_NOTE_LIMIT ? parseInt(process.env.FREE_TIER_NOTE_LIMIT) : 1000;
 
   const { db, fileAttachments, notes } = await import("../db");
   const { eq, and, sum, count, isNull, or } = await import("drizzle-orm");

src/routes/users.ts

@@ -1,6 +1,5 @@
-/// <reference lib="dom" />
+require('newrelic');
 
-// Load environment variables
 import "dotenv-flow/config";
 
 const isDevelopment = process.env.NODE_ENV === 'development';
@@ -268,7 +267,7 @@ app.notFound((c) => {
 const port = Number(process.env.PORT) || 3000;
 
 const freeStorageGB = process.env.FREE_TIER_STORAGE_GB ? parseFloat(process.env.FREE_TIER_STORAGE_GB) : 1;
-const freeNoteLimit = process.env.FREE_TIER_NOTE_LIMIT ? parseInt(process.env.FREE_TIER_NOTE_LIMIT) : 100;
+const freeNoteLimit = process.env.FREE_TIER_NOTE_LIMIT ? parseInt(process.env.FREE_TIER_NOTE_LIMIT) : 1000;
 
 
 logger.info("Typelets API server starting", {

src/server.ts

@@ -46,6 +46,12 @@ export interface UserUpdateData {
   lastName?: string | null;
 }
 
+// Note with attachment count for list responses
+export type NoteWithAttachmentCount = Omit<Note, 'attachments'> & {
+  attachmentCount: number;
+  folder?: Folder | null;
+};
+
 export type {
   User,
   UserInsert,