zip code short circuit

api/otelcol/config.yaml

@@ -33,6 +33,13 @@ processors:
       span:
         - 'status.code != STATUS_CODE_ERROR'
 
+  # Drop 404 log records to reduce noise
+  filter/drop_404_logs:
+    error_mode: ignore
+    logs:
+      log_record:
+        - 'attributes["http.response.status_code"] == 404'
+
 exporters:
   otlp_http/grafana:
     endpoint: ${env:GRAFANA_OTLP_ENDPOINT}
@@ -60,7 +67,7 @@ service:
       exporters: [otlp_http/grafana]
     logs:
       receivers: [otlp]
-      processors: [batch]
+      processors: [filter/drop_404_logs, batch]
       exporters: [otlp_http/grafana]
     metrics:
       receivers: [otlp]

api/server.ts

@@ -9,6 +9,7 @@ declare module 'fastify' {
     span?: Span;
     traceId?: string;
     errorHandled?: boolean;
+    meta?: Record<string, unknown>;
   }
 }
 
@@ -31,6 +32,7 @@ function classifyByStatus(statusCode: number): string {
 }
 import cors from '@fastify/cors';
 import { NominatimClient, NominatimResultSchema } from './services/NominatimClient';
+import { isZipCode } from './services/ZipCodeService';
 import { GithubClient, SponsorsResponseSchema } from './services/GithubClient';
 import { TurnstileClient } from './services/TurnstileClient';
 import { ZammadClient, ContactMessageBodySchema, ContactMessageBody } from './services/ZammadClient';
@@ -80,13 +82,15 @@ const start = async () => {
 
     request.errorHandled = true;
 
-    server.log.error({
-      url: request.url,
-      method: request.method,
-      traceId: request.traceId,
-      error: error.message,
-      stack: error.stack,
-    }, 'Request error');
+    if (statusCode !== 404) {
+      server.log.error({
+        url: request.url,
+        method: request.method,
+        traceId: request.traceId,
+        error: error.message,
+        stack: error.stack,
+      }, 'Request error');
+    }
 
     reply.status(statusCode).send({ error: 'Internal Server Error' });
   });
@@ -136,6 +140,7 @@ const start = async () => {
         'http.route': route,
         'http.request.method': request.method,
         'http.response.status_code': statusCode,
+        ...(request.meta?.geocodeSource ? { 'geocode.source': request.meta.geocodeSource as string } : {}),
       });
       span.setAttribute('http.response.status_code', statusCode);
       if (statusCode >= 500) {
@@ -222,6 +227,7 @@ const start = async () => {
     },
   }, async (request, reply) => {
     const { query } = request.query as { query: string };
+    request.meta = { geocodeSource: isZipCode(query) ? 'local_zip' : 'nominatim' };
     reply.header('Cache-Control', 'public, max-age=86400, s-maxage=86400');
     const result = await nominatim.geocodePhrase(query, false, request.span);
     return result;

api/services/NominatimClient.ts

@@ -3,6 +3,7 @@ import { createCache, Cache } from 'cache-manager';
 import { Type, Static } from '@sinclair/typebox';
 import { type Span, SpanKind, SpanStatusCode, context, trace } from '@opentelemetry/api';
 import { tracer, otelLogger, SeverityNumber } from '../telemetry';
+import { isZipCode, lookupZipCode } from './ZipCodeService';
 const { DiskStore } = require('cache-manager-fs-hash');
 
 export const NominatimResultSchema = Type.Object({
@@ -56,6 +57,12 @@ export class NominatimClient {
   baseUrl = 'https://nominatim.openstreetmap.org/search';
 
   async geocodePhrase(query: string, includeGeoJson: boolean = false, parentSpan?: Span): Promise<NominatimResult[]> {
+    // Short-circuit for ZIP codes — serve from local data, no Nominatim call needed
+    if (isZipCode(query)) {
+      const zipResult = lookupZipCode(query.trim());
+      return zipResult ? [zipResult] : [];
+    }
+
     const cacheKey = `geocode:${query}`;
     const cached = await cache.get(cacheKey);
     if (cached) {

api/services/ZammadClient.ts

@@ -106,14 +106,15 @@ export class ZammadClient {
     }
   }
 
-  async createTicket(payload: CreateTicketPayload): Promise<void> {
+  async createTicket(payload: CreateTicketPayload, parentSpan?: Span): Promise<void> {
     const { name, email, topic, subject, message } = payload;
     const group = TOPIC_GROUP_MAP[topic];
 
+    const ctx = parentSpan ? trace.setSpan(context.active(), parentSpan) : context.active();
     const span = tracer.startSpan('zammad.createTicket', {
       kind: SpanKind.CLIENT,
       attributes: { 'peer.service': 'zammad', 'http.request.method': 'POST' },
-    });
+    }, ctx);
     try {
       const customerId = await this.upsertCustomer(name, email, span);
 

api/services/ZipCodeService.ts

@@ -0,0 +1,59 @@
+import { readFileSync } from 'fs';
+import { join } from 'path';
+import { NominatimResult } from './NominatimClient';
+
+// [lat, lon, city, stateAbbr]
+type ZipEntry = [number, number, string, string];
+type ZipData = Record<string, ZipEntry>;
+
+// Load data synchronously at module init — 1.7MB uncompressed, fast
+const zipData: ZipData = JSON.parse(
+  readFileSync(join(__dirname, '../data/zipcodes-us.json'), 'utf-8')
+);
+
+const ZIP_PATTERN = /^\d{5}$/;
+
+export function isZipCode(query: string): boolean {
+  return ZIP_PATTERN.test(query.trim());
+}
+
+/**
+ * Look up a 5-digit US ZIP code and return a Nominatim-compatible result,
+ * or null if the ZIP is not found in the local dataset.
+ */
+export function lookupZipCode(zip: string): NominatimResult | null {
+  const normalized = zip.trim().slice(0, 5);
+  const entry = zipData[normalized];
+
+  if (!entry) return null;
+
+  const [lat, lon, city, state] = entry;
+  const latStr = String(lat);
+  const lonStr = String(lon);
+
+  return {
+    addresstype: 'postcode',
+    boundingbox: [
+      String(lat - 0.1),
+      String(lat + 0.1),
+      String(lon - 0.1),
+      String(lon + 0.1),
+    ],
+    class: 'place',
+    display_name: `${normalized}, ${city}, ${state}, United States`,
+    importance: 0.3,
+    lat: latStr,
+    licence: 'Local ZIP Code Data',
+    lon: lonStr,
+    name: normalized,
+    address: {
+      postcode: normalized,
+      city,
+      state,
+      country: 'United States',
+      country_code: 'us',
+    },
+    place_rank: 11,
+    type: 'postcode',
+  };
+}