diff --git a/scripts/format-scope.json b/scripts/format-scope.json
index 5384e0a23..c22e24133 100644
--- a/scripts/format-scope.json
+++ b/scripts/format-scope.json
@@ -31,5 +31,18 @@
   "build/vite.js",
   "server/standalone/vite.config.js",
   "vite.config.js",
-  "src/tooling/viteBuild.test.mjs"
+  "src/tooling/viteBuild.test.mjs",
+  "server/providers/common/http.js",
+  "server/providers/common/query.js",
+  "server/providers/aircraft/opensky.js",
+  "server/providers/aircraft/adsb-lol.js",
+  "server/providers/aircraft/enrichment.js",
+  "server/providers/aircraft/tracks.js",
+  "server/providers/vessels/ais-store.js",
+  "server/providers/vessels/ais-live.js",
+  "server/providers/live.js",
+  "src/tooling/liveProviders.test.mjs",
+  "src/data/adsbLolFallback.js",
+  "src/data/aisStreamAdapter.js",
+  "src/data/aisWatchdog.js"
 ]
diff --git a/scripts/package-boundaries.json b/scripts/package-boundaries.json
index 7727021dc..3653188c5 100644
--- a/scripts/package-boundaries.json
+++ b/scripts/package-boundaries.json
@@ -10,47 +10,27 @@
       "src/data/localGeojsonCore.js",
       "src/data/localGeojsonLod.js"
     ],
-    "external": [
-      "cesium"
-    ]
+    "external": ["cesium"]
   },
   "application": {
-    "exports": [
-      "./application"
-    ],
-    "modules": [
-      "src/app/application.js"
-    ],
+    "exports": ["./application"],
+    "modules": ["src/app/application.js"],
     "external": []
   },
   "viewer": {
-    "exports": [
-      "./application/viewer"
-    ],
-    "modules": [
-      "src/app/viewer.js"
-    ],
-    "external": [
-      "cesium"
-    ]
+    "exports": ["./application/viewer"],
+    "modules": ["src/app/viewer.js"],
+    "external": ["cesium"]
   },
   "vite-build": {
     "runtime": "node",
-    "exports": [
-      "./build/vite"
-    ],
-    "modules": [
-      "build/vite.js"
-    ],
-    "external": [
-      "vite-plugin-cesium"
-    ]
+    "exports": ["./build/vite"],
+    "modules": ["build/vite.js"],
+    "external": ["vite-plugin-cesium"]
   },
   "live-providers": {
     "runtime": "node",
-    "exports": [
-      "./server/providers/live"
-    ],
+    "exports": ["./server/providers/live"],
     "modules": [
       "server/providers/live.js",
       "server/providers/common/http.js",
@@ -65,17 +45,11 @@
       "src/data/aisStreamAdapter.js",
       "src/data/aisWatchdog.js"
     ],
-    "external": [
-      "ws"
-    ]
+    "external": ["ws"]
   },
   "adsb-lol-source": {
-    "exports": [
-      "./sources/adsb-lol"
-    ],
-    "modules": [
-      "src/data/adsbLolFallback.js"
-    ],
+    "exports": ["./sources/adsb-lol"],
+    "modules": ["src/data/adsbLolFallback.js"],
     "external": []
   }
 }
diff --git a/server/providers/aircraft/adsb-lol.js b/server/providers/aircraft/adsb-lol.js
index e8ce60b0c..418d9da0c 100644
--- a/server/providers/aircraft/adsb-lol.js
+++ b/server/providers/aircraft/adsb-lol.js
@@ -20,7 +20,11 @@ export function adsbLolProxy() {
         try {
           const now = Date.now();
           if (_cache && now - _cacheAt < CACHE_MS) {
-            res.writeHead(200, { 'Content-Type': 'application/json', 'Cache-Control': 'no-store', 'X-ADS-B-Cache': 'HIT' });
+            res.writeHead(200, {
+              'Content-Type': 'application/json',
+              'Cache-Control': 'no-store',
+              'X-ADS-B-Cache': 'HIT',
+            });
             res.end(_cache);
             return;
           }
@@ -32,12 +36,19 @@ export function adsbLolProxy() {
             _cache = body;
             _cacheAt = now;
           }
-          res.writeHead(upstream.status, { 'Content-Type': 'application/json', 'Cache-Control': 'no-store', 'X-ADS-B-Cache': 'MISS' });
+          res.writeHead(upstream.status, {
+            'Content-Type': 'application/json',
+            'Cache-Control': 'no-store',
+            'X-ADS-B-Cache': 'MISS',
+          });
           res.end(body);
         } catch (e) {
           console.error('[adsb.lol Proxy]', e.message);
           if (_cache) {
-            res.writeHead(200, { 'Content-Type': 'application/json', 'X-ADS-B-Cache': 'STALE' });
+            res.writeHead(200, {
+              'Content-Type': 'application/json',
+              'X-ADS-B-Cache': 'STALE',
+            });
             res.end(_cache);
             return;
           }
diff --git a/server/providers/aircraft/enrichment.js b/server/providers/aircraft/enrichment.js
index c07c4204f..67e61e382 100644
--- a/server/providers/aircraft/enrichment.js
+++ b/server/providers/aircraft/enrichment.js
@@ -21,14 +21,18 @@ export function adsbdbProxy() {
     try {
       const parsed = JSON.parse(await fsp.readFile(CACHE_PATH, 'utf8'));
       cache = { routes: parsed.routes ?? {}, aircraft: parsed.aircraft ?? {} };
-    } catch { /* first run */ }
+    } catch {
+      /* first run */
+    }
     setInterval(async () => {
       if (!dirty) return;
       dirty = false;
       try {
         await fsp.mkdir(path.dirname(CACHE_PATH), { recursive: true });
         await fsp.writeFile(CACHE_PATH, JSON.stringify(cache), 'utf8');
-      } catch { dirty = true; } // retry next tick
+      } catch {
+        dirty = true;
+      } // retry next tick
     }, 15_000).unref?.();
   }
 
@@ -43,7 +47,11 @@ export function adsbdbProxy() {
       lat: Number.isFinite(a.latitude) ? a.latitude : null,
       lon: Number.isFinite(a.longitude) ? a.longitude : null,
     });
-    return { airline: fr.airline?.name || null, origin: airport(fr.origin), destination: airport(fr.destination) };
+    return {
+      airline: fr.airline?.name || null,
+      origin: airport(fr.origin),
+      destination: airport(fr.destination),
+    };
   }
 
   function parseAircraft(json) {
@@ -51,7 +59,10 @@ export function adsbdbProxy() {
     if (!a) return null;
     return {
       typeCode: a.icao_type || null, // ICAO designator, e.g. "B738" — feeds classifyAircraft
-      typeName: a.manufacturer && a.type ? `${a.manufacturer} ${a.type}` : (a.type || null),
+      typeName:
+        a.manufacturer && a.type
+          ? `${a.manufacturer} ${a.type}`
+          : a.type || null,
       registration: a.registration || null,
     };
   }
@@ -61,30 +72,37 @@ export function adsbdbProxy() {
     if (fresh(store[key])) return Promise.resolve(store[key].data);
     const ik = `${kind}:${key}`;
     if (!inflight.has(ik)) {
-      inflight.set(ik, (async () => {
-        try {
-          const url = kind === 'route'
-            ? `https://api.adsbdb.com/v0/callsign/${encodeURIComponent(key)}`
-            : `https://api.adsbdb.com/v0/aircraft/${encodeURIComponent(key)}`;
-          const res = await fetch(url, { signal: AbortSignal.timeout(8000) });
-          if (res.ok) {
-            const data = kind === 'route' ? parseRoute(await res.json()) : parseAircraft(await res.json());
-            store[key] = { at: Date.now(), data }; // data may be null — negative cache
-            dirty = true;
-            return data;
+      inflight.set(
+        ik,
+        (async () => {
+          try {
+            const url =
+              kind === 'route'
+                ? `https://api.adsbdb.com/v0/callsign/${encodeURIComponent(key)}`
+                : `https://api.adsbdb.com/v0/aircraft/${encodeURIComponent(key)}`;
+            const res = await fetch(url, { signal: AbortSignal.timeout(8000) });
+            if (res.ok) {
+              const data =
+                kind === 'route'
+                  ? parseRoute(await res.json())
+                  : parseAircraft(await res.json());
+              store[key] = { at: Date.now(), data }; // data may be null — negative cache
+              dirty = true;
+              return data;
+            }
+            if (res.status === 404) {
+              store[key] = { at: Date.now(), data: null }; // known-missing — cache the miss
+              dirty = true;
+            }
+            // other statuses: leave uncached so we retry later
+            return fresh(store[key]) ? store[key].data : null;
+          } catch {
+            return fresh(store[key]) ? store[key].data : null; // network error → stale if any
+          } finally {
+            inflight.delete(ik);
           }
-          if (res.status === 404) {
-            store[key] = { at: Date.now(), data: null }; // known-missing — cache the miss
-            dirty = true;
-          }
-          // other statuses: leave uncached so we retry later
-          return fresh(store[key]) ? store[key].data : null;
-        } catch {
-          return fresh(store[key]) ? store[key].data : null; // network error → stale if any
-        } finally {
-          inflight.delete(ik);
-        }
-      })());
+        })(),
+      );
     }
     return inflight.get(ik);
   }
@@ -99,18 +117,28 @@ export function adsbdbProxy() {
           res.end(JSON.stringify(obj));
         };
         try {
-          const [, kind, rawKey] = String(req.url || '').split('?')[0].split('/');
+          const [, kind, rawKey] = String(req.url || '')
+            .split('?')[0]
+            .split('/');
           if (kind === 'route') {
             const cs = String(rawKey || '').toUpperCase();
-            if (!/^[A-Z0-9]{2,8}$/.test(cs)) return send(400, { error: 'invalid callsign' });
+            if (!/^[A-Z0-9]{2,8}$/.test(cs))
+              return send(400, { error: 'invalid callsign' });
             const data = await lookup('route', cs);
-            return send(200, data ? { found: true, ...data } : { found: false });
+            return send(
+              200,
+              data ? { found: true, ...data } : { found: false },
+            );
           }
           if (kind === 'type') {
             const hex = String(rawKey || '').toLowerCase();
-            if (!/^[0-9a-f]{6}$/.test(hex)) return send(400, { error: 'invalid hex' });
+            if (!/^[0-9a-f]{6}$/.test(hex))
+              return send(400, { error: 'invalid hex' });
             const data = await lookup('aircraft', hex);
-            return send(200, data ? { found: true, ...data } : { found: false });
+            return send(
+              200,
+              data ? { found: true, ...data } : { found: false },
+            );
           }
           return send(404, { error: 'unknown endpoint' });
         } catch (err) {
diff --git a/server/providers/aircraft/opensky.js b/server/providers/aircraft/opensky.js
index c3ec896f1..4a6715faf 100644
--- a/server/providers/aircraft/opensky.js
+++ b/server/providers/aircraft/opensky.js
@@ -1,5 +1,8 @@
 import { normalizeAdsbLolPointResponse } from '../../../src/data/adsbLolFallback.js';
-import { coalesceProxyRequest, readResponseJsonCapped } from '../common/http.js';
+import {
+  coalesceProxyRequest,
+  readResponseJsonCapped,
+} from '../common/http.js';
 import { requiredFiniteQueryNumber } from '../common/query.js';
 // ---------------------------------------------------------------------------
 // OpenSky OAuth2 token + response cache state
@@ -105,7 +108,7 @@ export async function getOpenSkyToken() {
           method: 'POST',
           headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
           body: `grant_type=client_credentials&client_id=${encodeURIComponent(clientId)}&client_secret=${encodeURIComponent(clientSecret)}`,
-        }
+        },
       );
 
       let data = null;
@@ -119,7 +122,8 @@ export async function getOpenSkyToken() {
       const expiresIn = Number(data?.expires_in);
       if (!res.ok || !accessToken) {
         if (!_openskyAuthWarned) {
-          const detail = data?.error_description || data?.error || `HTTP ${res.status}`;
+          const detail =
+            data?.error_description || data?.error || `HTTP ${res.status}`;
           console.warn('[OpenSky] OAuth client_credentials failed:', detail);
           _openskyAuthWarned = true;
         }
@@ -130,13 +134,21 @@ export async function getOpenSkyToken() {
 
       _openskyToken = accessToken;
       // Default to 1800 s (30 min) if expires_in is missing or non-finite
-      _openskyTokenExpiry = Date.now() + (Number.isFinite(expiresIn) ? expiresIn : 1800) * 1000;
-      console.log('[OpenSky] OAuth token refreshed, expires in', Number.isFinite(expiresIn) ? expiresIn : 1800, 's');
+      _openskyTokenExpiry =
+        Date.now() + (Number.isFinite(expiresIn) ? expiresIn : 1800) * 1000;
+      console.log(
+        '[OpenSky] OAuth token refreshed, expires in',
+        Number.isFinite(expiresIn) ? expiresIn : 1800,
+        's',
+      );
       _openskyAuthWarned = false;
       return _openskyToken;
     } catch (err) {
       if (!_openskyAuthWarned) {
-        console.warn('[OpenSky] OAuth token request failed:', err?.message || String(err));
+        console.warn(
+          '[OpenSky] OAuth token request failed:',
+          err?.message || String(err),
+        );
         _openskyAuthWarned = true;
       }
       _openskyToken = null;
@@ -158,12 +170,14 @@ export async function getOpenSkyToken() {
  * @returns {string} One of the valid mode strings, or the default ('oauth').
  */
 function normalizeOpenSkyAuthMode(value) {
-  const raw = String(value || '').trim().toLowerCase();
+  const raw = String(value || '')
+    .trim()
+    .toLowerCase();
   if (!raw) return OPENSKY_AUTH_MODE_DEFAULT;
   if (OPENSKY_AUTH_MODE_SET.has(raw)) return raw;
   if (!_openskyAuthModeWarned) {
     console.warn(
-      `[OpenSky] Invalid OPENSKY_AUTH_MODE="${raw}", defaulting to "${OPENSKY_AUTH_MODE_DEFAULT}"`
+      `[OpenSky] Invalid OPENSKY_AUTH_MODE="${raw}", defaulting to "${OPENSKY_AUTH_MODE_DEFAULT}"`,
     );
     _openskyAuthModeWarned = true;
   }
@@ -183,7 +197,14 @@ function normalizeOpenSkyAuthMode(value) {
  * @param {string} opts.reason - Human-readable reason string for diagnostics.
  * @returns {Record<string,string>} Header object.
  */
-function buildOpenSkyHeaders({ cacheStatus, requestedMode, usedMode, reason, staleSeconds, retryAfterSeconds }) {
+function buildOpenSkyHeaders({
+  cacheStatus,
+  requestedMode,
+  usedMode,
+  reason,
+  staleSeconds,
+  retryAfterSeconds,
+}) {
   const headers = {
     'Content-Type': 'application/json',
     'Cache-Control': 'no-store',
@@ -195,8 +216,12 @@ function buildOpenSkyHeaders({ cacheStatus, requestedMode, usedMode, reason, sta
   };
   // Credit-governor extras (field-test fix 2026-07-06): the client can show a
   // STALE cue / countdown without parsing the body.
-  if (Number.isFinite(staleSeconds)) headers['X-OpenSky-Stale-Seconds'] = String(Math.round(staleSeconds));
-  if (Number.isFinite(retryAfterSeconds)) headers['X-OpenSky-Retry-After-Seconds'] = String(Math.round(retryAfterSeconds));
+  if (Number.isFinite(staleSeconds))
+    headers['X-OpenSky-Stale-Seconds'] = String(Math.round(staleSeconds));
+  if (Number.isFinite(retryAfterSeconds))
+    headers['X-OpenSky-Retry-After-Seconds'] = String(
+      Math.round(retryAfterSeconds),
+    );
   return headers;
 }
 
@@ -204,8 +229,10 @@ export function adsbLolFallbackAnchor(req) {
   const incoming = new URL(req?.url || '', 'http://localhost');
   const latitude = requiredFiniteQueryNumber(incoming.searchParams, 'lat');
   const longitude = requiredFiniteQueryNumber(incoming.searchParams, 'lon');
-  if (!Number.isFinite(latitude) || latitude < -90 || latitude > 90) return null;
-  if (!Number.isFinite(longitude) || longitude < -180 || longitude > 180) return null;
+  if (!Number.isFinite(latitude) || latitude < -90 || latitude > 90)
+    return null;
+  if (!Number.isFinite(longitude) || longitude < -180 || longitude > 180)
+    return null;
   return { latitude, longitude };
 }
 
@@ -221,38 +248,45 @@ async function fetchAdsbLolPointFallback(req) {
     return { ...cached, cacheStatus: 'HIT' };
   }
 
-  const request = coalesceProxyRequest(_adsbLolPointInFlight, cacheKey, async () => {
-    const controller = new AbortController();
-    const timeoutId = setTimeout(() => controller.abort(), 10000);
-    try {
-      const upstream = await fetch(
-        `https://api.adsb.lol/v2/lat/${roundedLat}/lon/${roundedLon}/dist/${ADSBLOL_POINT_RADIUS_NM}`,
-        {
-          headers: {
-            Accept: 'application/json',
-            'User-Agent': 'gods-eye-view-adsblol-regional-fallback/1.0',
+  const request = coalesceProxyRequest(
+    _adsbLolPointInFlight,
+    cacheKey,
+    async () => {
+      const controller = new AbortController();
+      const timeoutId = setTimeout(() => controller.abort(), 10000);
+      try {
+        const upstream = await fetch(
+          `https://api.adsb.lol/v2/lat/${roundedLat}/lon/${roundedLon}/dist/${ADSBLOL_POINT_RADIUS_NM}`,
+          {
+            headers: {
+              Accept: 'application/json',
+              'User-Agent': 'gods-eye-view-adsblol-regional-fallback/1.0',
+            },
+            signal: controller.signal,
           },
-          signal: controller.signal,
-        },
-      );
-      if (!upstream.ok) throw new Error(`upstream HTTP ${upstream.status}`);
-      const payload = await readResponseJsonCapped(upstream, ADSBLOL_POINT_MAX_RESPONSE_BYTES);
-      const normalized = normalizeAdsbLolPointResponse(payload);
-      const record = {
-        body: JSON.stringify(normalized),
-        cachedAt: Date.now(),
-        count: normalized.states.length,
-      };
-      _adsbLolPointCache.delete(cacheKey);
-      _adsbLolPointCache.set(cacheKey, record);
-      while (_adsbLolPointCache.size > ADSBLOL_POINT_CACHE_MAX) {
-        _adsbLolPointCache.delete(_adsbLolPointCache.keys().next().value);
+        );
+        if (!upstream.ok) throw new Error(`upstream HTTP ${upstream.status}`);
+        const payload = await readResponseJsonCapped(
+          upstream,
+          ADSBLOL_POINT_MAX_RESPONSE_BYTES,
+        );
+        const normalized = normalizeAdsbLolPointResponse(payload);
+        const record = {
+          body: JSON.stringify(normalized),
+          cachedAt: Date.now(),
+          count: normalized.states.length,
+        };
+        _adsbLolPointCache.delete(cacheKey);
+        _adsbLolPointCache.set(cacheKey, record);
+        while (_adsbLolPointCache.size > ADSBLOL_POINT_CACHE_MAX) {
+          _adsbLolPointCache.delete(_adsbLolPointCache.keys().next().value);
+        }
+        return record;
+      } finally {
+        clearTimeout(timeoutId);
       }
-      return record;
-    } finally {
-      clearTimeout(timeoutId);
-    }
-  });
+    },
+  );
   try {
     const record = await request.promise;
     return { ...record, cacheStatus: request.shared ? 'INFLIGHT' : 'MISS' };
@@ -292,8 +326,10 @@ function openSkySourceEpochMs(body) {
 }
 
 function openSkySourceIsStale(sourceEpochMs, now = Date.now()) {
-  return Number.isFinite(sourceEpochMs)
-    && now - sourceEpochMs > OPENSKY_SOURCE_STALE_MS;
+  return (
+    Number.isFinite(sourceEpochMs) &&
+    now - sourceEpochMs > OPENSKY_SOURCE_STALE_MS
+  );
 }
 
 /**
@@ -317,21 +353,26 @@ export function openSkyProxy() {
     configureServer(server) {
       server.middlewares.use('/api/opensky', async (req, res) => {
         try {
-          const requestedMode = normalizeOpenSkyAuthMode(process.env.OPENSKY_AUTH_MODE);
+          const requestedMode = normalizeOpenSkyAuthMode(
+            process.env.OPENSKY_AUTH_MODE,
+          );
           const now = Date.now();
           const inCooldown = now < _openskyCooldownUntil;
           // Fresh-enough cache (adaptive TTL) OR any cache during a 429
           // cooldown: serve it without touching upstream. Stale-during-cooldown
           // is deliberate (credit governor): last-good planes beat a dead layer.
-          if (_openskyCacheBody && (now - _openskyCacheTime < _openskyTtlMs || inCooldown)) {
+          if (
+            _openskyCacheBody &&
+            (now - _openskyCacheTime < _openskyTtlMs || inCooldown)
+          ) {
             if (
-              openSkySourceIsStale(_openskyCacheSourceEpochMs, now)
-              && await serveAdsbLolPointFallback(
+              openSkySourceIsStale(_openskyCacheSourceEpochMs, now) &&
+              (await serveAdsbLolPointFallback(
                 req,
                 res,
                 requestedMode,
                 'opensky_snapshot_stale_regional_fallback',
-              )
+              ))
             ) {
               return;
             }
@@ -347,10 +388,16 @@ export function openSkyProxy() {
                 cacheStatus: isStale ? 'STALE' : 'HIT',
                 requestedMode: cachedMeta.requestedMode || requestedMode,
                 usedMode: cachedMeta.usedMode || 'unknown',
-                reason: isStale ? 'rate_limited_serving_stale' : (cachedMeta.reason || 'cached'),
-                staleSeconds: isStale ? (now - _openskyCacheTime) / 1000 : undefined,
-                retryAfterSeconds: inCooldown ? (_openskyCooldownUntil - now) / 1000 : undefined,
-              })
+                reason: isStale
+                  ? 'rate_limited_serving_stale'
+                  : cachedMeta.reason || 'cached',
+                staleSeconds: isStale
+                  ? (now - _openskyCacheTime) / 1000
+                  : undefined,
+                retryAfterSeconds: inCooldown
+                  ? (_openskyCooldownUntil - now) / 1000
+                  : undefined,
+              }),
             );
             res.end(_openskyCacheBody);
             return;
@@ -359,22 +406,37 @@ export function openSkyProxy() {
           // synthesize the 429 locally — hammering upstream mid-cooldown can't
           // succeed and just burns goodwill.
           if (inCooldown) {
-            if (await serveAdsbLolPointFallback(req, res, requestedMode, 'opensky_cooldown_regional_fallback')) return;
-            res.writeHead(429, buildOpenSkyHeaders({
-              cacheStatus: 'COOLDOWN',
-              requestedMode,
-              usedMode: 'none',
-              reason: 'rate_limited',
-              retryAfterSeconds: (_openskyCooldownUntil - now) / 1000,
-            }));
-            res.end(JSON.stringify({ error: 'OpenSky rate limited; proxy cooling down.' }));
+            if (
+              await serveAdsbLolPointFallback(
+                req,
+                res,
+                requestedMode,
+                'opensky_cooldown_regional_fallback',
+              )
+            )
+              return;
+            res.writeHead(
+              429,
+              buildOpenSkyHeaders({
+                cacheStatus: 'COOLDOWN',
+                requestedMode,
+                usedMode: 'none',
+                reason: 'rate_limited',
+                retryAfterSeconds: (_openskyCooldownUntil - now) / 1000,
+              }),
+            );
+            res.end(
+              JSON.stringify({
+                error: 'OpenSky rate limited; proxy cooling down.',
+              }),
+            );
             return;
           }
 
           const basicUser = process.env.OPENSKY_USERNAME || '';
           const basicPass = process.env.OPENSKY_PASSWORD || '';
           const hasBasicCreds = Boolean(basicUser && basicPass);
-          const headers = { 'Accept': 'application/json' };
+          const headers = { Accept: 'application/json' };
           let usedMode = 'anon';
           let reason = 'forced_anonymous';
 
@@ -410,7 +472,10 @@ export function openSkyProxy() {
             }
           }
 
-          let upstream = await fetch('https://opensky-network.org/api/states/all?extended=1', { headers });
+          let upstream = await fetch(
+            'https://opensky-network.org/api/states/all?extended=1',
+            { headers },
+          );
           // Auto-mode fallback: if OAuth was rejected, retry with Basic credentials
           if (
             (upstream.status === 401 || upstream.status === 403) &&
@@ -422,7 +487,10 @@ export function openSkyProxy() {
               Accept: 'application/json',
               Authorization: `Basic ${Buffer.from(`${basicUser}:${basicPass}`).toString('base64')}`,
             };
-            upstream = await fetch('https://opensky-network.org/api/states/all?extended=1', { headers: retryHeaders });
+            upstream = await fetch(
+              'https://opensky-network.org/api/states/all?extended=1',
+              { headers: retryHeaders },
+            );
             usedMode = 'basic';
             reason = 'oauth_rejected_fallback_basic';
           }
@@ -430,14 +498,14 @@ export function openSkyProxy() {
           let body = await upstream.text();
           const sourceEpochMs = upstream.ok ? openSkySourceEpochMs(body) : null;
           if (
-            upstream.ok
-            && openSkySourceIsStale(sourceEpochMs, now)
-            && await serveAdsbLolPointFallback(
+            upstream.ok &&
+            openSkySourceIsStale(sourceEpochMs, now) &&
+            (await serveAdsbLolPointFallback(
               req,
               res,
               requestedMode,
               'opensky_snapshot_stale_regional_fallback',
-            )
+            ))
           ) {
             // Keep the last global snapshot available as a fail-soft cache,
             // but do not label or render it as a fresh live result.
@@ -452,23 +520,31 @@ export function openSkyProxy() {
             reason = 'rate_limited';
             // Credit governor: honor OpenSky's retry-after (bounded 30 s … 30 min;
             // 2 min when the header is absent) — no upstream attempts until then.
-            const retryAfterSec = Number(upstream.headers.get('x-rate-limit-retry-after-seconds'));
+            const retryAfterSec = Number(
+              upstream.headers.get('x-rate-limit-retry-after-seconds'),
+            );
             const cooldownMs = Math.min(
-              Math.max(Number.isFinite(retryAfterSec) ? retryAfterSec * 1000 : 120_000, 30_000),
-              30 * 60_000
+              Math.max(
+                Number.isFinite(retryAfterSec) ? retryAfterSec * 1000 : 120_000,
+                30_000,
+              ),
+              30 * 60_000,
             );
             _openskyCooldownUntil = now + cooldownMs;
             // Serve the last-good body instead of the 429 when we have one —
             // the layer keeps rendering (STALE-cued) instead of dying.
             if (_openskyCacheBody && _openskyCacheStatus === 200) {
-              res.writeHead(200, buildOpenSkyHeaders({
-                cacheStatus: 'STALE',
-                requestedMode,
-                usedMode,
-                reason: 'rate_limited_serving_stale',
-                staleSeconds: (now - _openskyCacheTime) / 1000,
-                retryAfterSeconds: cooldownMs / 1000,
-              }));
+              res.writeHead(
+                200,
+                buildOpenSkyHeaders({
+                  cacheStatus: 'STALE',
+                  requestedMode,
+                  usedMode,
+                  reason: 'rate_limited_serving_stale',
+                  staleSeconds: (now - _openskyCacheTime) / 1000,
+                  retryAfterSeconds: cooldownMs / 1000,
+                }),
+              );
               res.end(_openskyCacheBody);
               return;
             }
@@ -487,12 +563,14 @@ export function openSkyProxy() {
           if (upstream.status === 401 || upstream.status === 403) {
             if (requestedMode === 'basic' && !hasBasicCreds) {
               body = JSON.stringify({
-                error: 'OpenSky auth missing. Basic mode requires OPENSKY_USERNAME and OPENSKY_PASSWORD.',
+                error:
+                  'OpenSky auth missing. Basic mode requires OPENSKY_USERNAME and OPENSKY_PASSWORD.',
               });
               reason = 'missing_basic_creds';
             } else if (requestedMode === 'oauth' && usedMode !== 'oauth') {
               body = JSON.stringify({
-                error: 'OpenSky auth invalid. OAuth mode requires valid OPENSKY_CLIENT_ID and OPENSKY_CLIENT_SECRET.',
+                error:
+                  'OpenSky auth invalid. OAuth mode requires valid OPENSKY_CLIENT_ID and OPENSKY_CLIENT_SECRET.',
               });
               reason = 'oauth_invalid_or_missing';
             } else if (usedMode === 'basic') {
@@ -502,12 +580,14 @@ export function openSkyProxy() {
               reason = 'basic_invalid_credentials';
             } else if (usedMode === 'oauth') {
               body = JSON.stringify({
-                error: 'OpenSky auth invalid. OAuth client credentials were rejected.',
+                error:
+                  'OpenSky auth invalid. OAuth client credentials were rejected.',
               });
               reason = 'oauth_invalid_credentials';
             } else if (requestedMode === 'auto' && !hasBasicCreds) {
               body = JSON.stringify({
-                error: 'OpenSky auth missing. Provide basic credentials or valid OAuth client credentials.',
+                error:
+                  'OpenSky auth missing. Provide basic credentials or valid OAuth client credentials.',
               });
               reason = 'missing_oauth_and_basic_creds';
             } else {
@@ -521,9 +601,17 @@ export function openSkyProxy() {
           // Refine the reason string to reflect the actual outcome
           if (upstream.ok && reason === 'forced_anonymous') {
             reason = 'anonymous_ok';
-          } else if (upstream.ok && usedMode === 'basic' && reason === 'basic_credentials') {
+          } else if (
+            upstream.ok &&
+            usedMode === 'basic' &&
+            reason === 'basic_credentials'
+          ) {
             reason = 'basic_ok';
-          } else if (upstream.ok && usedMode === 'oauth' && reason === 'oauth_token') {
+          } else if (
+            upstream.ok &&
+            usedMode === 'oauth' &&
+            reason === 'oauth_token'
+          ) {
             reason = 'oauth_ok';
           }
 
@@ -542,7 +630,9 @@ export function openSkyProxy() {
             // Credit governor: adapt the cache TTL to the remaining daily
             // budget so a continuously-open app stretches its polls instead of
             // exhausting the quota mid-day. Success also clears any cooldown.
-            const remaining = Number(upstream.headers.get('x-rate-limit-remaining'));
+            const remaining = Number(
+              upstream.headers.get('x-rate-limit-remaining'),
+            );
             _openskyTtlMs = openskyAdaptiveTtlMs(remaining);
             _openskyCooldownUntil = 0;
           }
@@ -554,14 +644,16 @@ export function openSkyProxy() {
               requestedMode,
               usedMode,
               reason,
-            })
+            }),
           );
           res.end(body);
         } catch (e) {
           console.error('[OpenSky Proxy]', e.message);
           if (_openskyCacheBody) {
             const cachedMeta = _openskyCacheMeta || {
-              requestedMode: normalizeOpenSkyAuthMode(process.env.OPENSKY_AUTH_MODE),
+              requestedMode: normalizeOpenSkyAuthMode(
+                process.env.OPENSKY_AUTH_MODE,
+              ),
               usedMode: 'unknown',
               reason: 'cached_stale',
             };
@@ -569,16 +661,27 @@ export function openSkyProxy() {
               _openskyCacheStatus || 200,
               buildOpenSkyHeaders({
                 cacheStatus: 'STALE',
-                requestedMode: cachedMeta.requestedMode || OPENSKY_AUTH_MODE_DEFAULT,
+                requestedMode:
+                  cachedMeta.requestedMode || OPENSKY_AUTH_MODE_DEFAULT,
                 usedMode: cachedMeta.usedMode || 'unknown',
                 reason: cachedMeta.reason || 'cached_stale',
-              })
+              }),
             );
             res.end(_openskyCacheBody);
             return;
           }
-          const requestedMode = normalizeOpenSkyAuthMode(process.env.OPENSKY_AUTH_MODE);
-          if (await serveAdsbLolPointFallback(req, res, requestedMode, 'opensky_proxy_error_regional_fallback')) return;
+          const requestedMode = normalizeOpenSkyAuthMode(
+            process.env.OPENSKY_AUTH_MODE,
+          );
+          if (
+            await serveAdsbLolPointFallback(
+              req,
+              res,
+              requestedMode,
+              'opensky_proxy_error_regional_fallback',
+            )
+          )
+            return;
           res.writeHead(
             502,
             buildOpenSkyHeaders({
@@ -586,7 +689,7 @@ export function openSkyProxy() {
               requestedMode,
               usedMode: 'error',
               reason: 'proxy_error',
-            })
+            }),
           );
           res.end(JSON.stringify({ error: 'OpenSky proxy error' }));
         }
diff --git a/server/providers/aircraft/tracks.js b/server/providers/aircraft/tracks.js
index 2c11b278f..7d9501628 100644
--- a/server/providers/aircraft/tracks.js
+++ b/server/providers/aircraft/tracks.js
@@ -36,8 +36,14 @@ export function trackBackfillProxies() {
       res.end(cached.body);
       return;
     }
-    const upstream = await fetch(upstreamUrl, { headers, signal: AbortSignal.timeout(12000) });
-    const { tooLarge, text } = await readCappedResponseText(upstream, RESPONSE_CAP_BYTES);
+    const upstream = await fetch(upstreamUrl, {
+      headers,
+      signal: AbortSignal.timeout(12000),
+    });
+    const { tooLarge, text } = await readCappedResponseText(
+      upstream,
+      RESPONSE_CAP_BYTES,
+    );
     let body;
     if (tooLarge) {
       body = JSON.stringify({ error: 'Upstream track response too large' });
@@ -58,11 +64,15 @@ export function trackBackfillProxies() {
     middlewares.use('/api/opensky-track', async (req, res) => {
       try {
         const incoming = new URL(req.url || '', 'http://localhost');
-        const icao24 = String(incoming.searchParams.get('icao24') || '').trim().toLowerCase();
+        const icao24 = String(incoming.searchParams.get('icao24') || '')
+          .trim()
+          .toLowerCase();
         if (!/^[0-9a-f]{6}$/.test(icao24)) {
           res.statusCode = 400;
           res.setHeader('Content-Type', 'application/json');
-          res.end(JSON.stringify({ error: 'icao24 must be a 6-char hex string' }));
+          res.end(
+            JSON.stringify({ error: 'icao24 must be a 6-char hex string' }),
+          );
           return;
         }
         const token = await getOpenSkyToken();
@@ -70,7 +80,7 @@ export function trackBackfillProxies() {
           res,
           `osky:${icao24}`,
           `https://opensky-network.org/api/tracks/all?icao24=${icao24}&time=0`,
-          token ? { Authorization: `Bearer ${token}` } : {}
+          token ? { Authorization: `Bearer ${token}` } : {},
         );
       } catch (error) {
         res.statusCode = 502;
@@ -82,17 +92,21 @@ export function trackBackfillProxies() {
     middlewares.use('/api/adsblol/trace', async (req, res) => {
       try {
         const incoming = new URL(req.url || '', 'http://localhost');
-        const hex = String(incoming.searchParams.get('hex') || '').trim().toLowerCase();
+        const hex = String(incoming.searchParams.get('hex') || '')
+          .trim()
+          .toLowerCase();
         if (!/^[0-9a-f~]{6,7}$/.test(hex)) {
           res.statusCode = 400;
           res.setHeader('Content-Type', 'application/json');
-          res.end(JSON.stringify({ error: 'hex must be a 6-7 char hex string' }));
+          res.end(
+            JSON.stringify({ error: 'hex must be a 6-7 char hex string' }),
+          );
           return;
         }
         await proxyJson(
           res,
           `lol:${hex}`,
-          `https://adsb.lol/data/traces/${hex.slice(-2)}/trace_full_${hex}.json`
+          `https://adsb.lol/data/traces/${hex.slice(-2)}/trace_full_${hex}.json`,
         );
       } catch (error) {
         res.statusCode = 502;
diff --git a/server/providers/common/http.js b/server/providers/common/http.js
index 361ce928c..5ec7cf785 100644
--- a/server/providers/common/http.js
+++ b/server/providers/common/http.js
@@ -28,7 +28,11 @@ export async function readResponseTextCapped(response, maxBytes) {
     if (done) break;
     total += value.byteLength;
     if (total > maxBytes) {
-      try { await reader.cancel(); } catch { /* no-op */ }
+      try {
+        await reader.cancel();
+      } catch {
+        /* no-op */
+      }
       const err = new Error('Upstream response too large');
       err.code = 'RESPONSE_TOO_LARGE';
       throw err;
@@ -85,12 +89,21 @@ export function coalesceProxyRequest(inFlight, key, create) {
 export async function readCappedResponseText(upstream, maxBytes) {
   const declared = Number(upstream.headers.get('content-length'));
   if (Number.isFinite(declared) && declared > maxBytes) {
-    try { await upstream.body?.cancel(); } catch { /* no-op */ }
+    try {
+      await upstream.body?.cancel();
+    } catch {
+      /* no-op */
+    }
     return { tooLarge: true, text: '' };
   }
-  if (!upstream.body || typeof upstream.body[Symbol.asyncIterator] !== 'function') {
+  if (
+    !upstream.body ||
+    typeof upstream.body[Symbol.asyncIterator] !== 'function'
+  ) {
     const text = await upstream.text();
-    return text.length > maxBytes ? { tooLarge: true, text: '' } : { tooLarge: false, text };
+    return text.length > maxBytes
+      ? { tooLarge: true, text: '' }
+      : { tooLarge: false, text };
   }
   const decoder = new TextDecoder();
   let text = '';
@@ -98,7 +111,11 @@ export async function readCappedResponseText(upstream, maxBytes) {
   for await (const chunk of upstream.body) {
     total += chunk.length;
     if (total > maxBytes) {
-      try { await upstream.body.cancel(); } catch { /* no-op */ }
+      try {
+        await upstream.body.cancel();
+      } catch {
+        /* no-op */
+      }
       return { tooLarge: true, text: '' };
     }
     text += decoder.decode(chunk, { stream: true });
diff --git a/server/providers/live.js b/server/providers/live.js
index c67109041..3afb5b8c9 100644
--- a/server/providers/live.js
+++ b/server/providers/live.js
@@ -1,4 +1,9 @@
-export { readResponseTextCapped, readResponseJsonCapped, coalesceProxyRequest, readCappedResponseText } from './common/http.js';
+export {
+  readResponseTextCapped,
+  readResponseJsonCapped,
+  coalesceProxyRequest,
+  readCappedResponseText,
+} from './common/http.js';
 export { requiredFiniteQueryNumber, clampInt } from './common/query.js';
 export { adsbLolFallbackAnchor, openSkyProxy } from './aircraft/opensky.js';
 export { adsbLolProxy } from './aircraft/adsb-lol.js';
diff --git a/server/providers/vessels/ais-live.js b/server/providers/vessels/ais-live.js
index d40c04539..2f8f8a25f 100644
--- a/server/providers/vessels/ais-live.js
+++ b/server/providers/vessels/ais-live.js
@@ -3,12 +3,24 @@ import { createRequire } from 'node:module';
 import { createAisStreamAdapter } from '../../../src/data/aisStreamAdapter.js';
 import { parseSilenceTimeoutEnv } from '../../../src/data/aisWatchdog.js';
 import { clampInt } from '../common/query.js';
-import { AISSTREAM_CACHE_MAX, AISSTREAM_STALE_MS, ingestAisStreamEnvelope, readAisTrack, aisStreamRows, newestAisPositionAt } from './ais-store.js';
+import {
+  AISSTREAM_CACHE_MAX,
+  AISSTREAM_STALE_MS,
+  ingestAisStreamEnvelope,
+  readAisTrack,
+  aisStreamRows,
+  newestAisPositionAt,
+} from './ais-store.js';
 // ---------------------------------------------------------------------------
 // AISStream live vessel cache state
 // ---------------------------------------------------------------------------
 const AISSTREAM_URL = 'wss://stream.aisstream.io/v0/stream';
-const AISSTREAM_DEFAULT_BBOXES = [[[-90, -180], [90, 180]]];
+const AISSTREAM_DEFAULT_BBOXES = [
+  [
+    [-90, -180],
+    [90, 180],
+  ],
+];
 const AISSTREAM_DEFAULT_MESSAGE_TYPES = [
   'PositionReport',
   'StandardClassBPositionReport',
@@ -67,25 +79,40 @@ export function aisLiveProxy() {
         // Track sub-route MUST be handled before the rows snapshot — this
         // mount prefix-matches every subpath, so without this branch
         // /api/ais-live/track would be silently answered with vessel rows.
-        if (incoming.pathname === '/track' || incoming.pathname.startsWith('/track/')) {
+        if (
+          incoming.pathname === '/track' ||
+          incoming.pathname.startsWith('/track/')
+        ) {
           const mmsi = String(incoming.searchParams.get('mmsi') || '').trim();
           res.statusCode = /^\d{5,10}$/.test(mmsi) ? 200 : 400;
           res.setHeader('Content-Type', 'application/json; charset=utf-8');
           res.setHeader('Cache-Control', 'no-store');
           if (res.statusCode !== 200) {
-            res.end(JSON.stringify({ error: 'mmsi query param required', samples: [] }));
+            res.end(
+              JSON.stringify({
+                error: 'mmsi query param required',
+                samples: [],
+              }),
+            );
             return;
           }
-          res.end(JSON.stringify({
-            mmsi,
-            samples: readAisTrack(mmsi),
-            source: 'AISStream (accumulated since server start)',
-            retainedSec: Math.floor(AISSTREAM_STALE_MS / 1000),
-          }));
+          res.end(
+            JSON.stringify({
+              mmsi,
+              samples: readAisTrack(mmsi),
+              source: 'AISStream (accumulated since server start)',
+              retainedSec: Math.floor(AISSTREAM_STALE_MS / 1000),
+            }),
+          );
           return;
         }
 
-        const maxRows = clampInt(incoming.searchParams.get('maxRows'), 1, AISSTREAM_CACHE_MAX, AISSTREAM_CACHE_MAX);
+        const maxRows = clampInt(
+          incoming.searchParams.get('maxRows'),
+          1,
+          AISSTREAM_CACHE_MAX,
+          AISSTREAM_CACHE_MAX,
+        );
         const rows = aisStreamRows(maxRows);
 
         const feed = aisStreamStatusSnapshot();
@@ -93,27 +120,34 @@ export function aisLiveProxy() {
         res.statusCode = process.env.AISSTREAM_API_KEY ? 200 : 503;
         res.setHeader('Content-Type', 'application/json; charset=utf-8');
         res.setHeader('Cache-Control', 'no-store');
-        res.end(JSON.stringify({
-          rows,
-          source: 'AISStream',
-          status: feed.status,
-          error: feed.error,
-          refreshing: feed.status !== 'live',
-          newestPositionAt: newestAisPositionAt(rows),
-          lastMessageAt: feed.lastMessageAt,
-          // Honest-failure metadata: how long the feed has been quiet, which
-          // recovery attempt we are on, and when the next one lands.
-          silentForMs: feed.silentForMs,
-          reconnectAttempt: feed.reconnectAttempt,
-          nextAttemptAt: feed.nextAttemptAt,
-          staleAfterMs: feed.staleAfterMs,
-          watchdog: feed.watchdog,
-        }));
+        res.end(
+          JSON.stringify({
+            rows,
+            source: 'AISStream',
+            status: feed.status,
+            error: feed.error,
+            refreshing: feed.status !== 'live',
+            newestPositionAt: newestAisPositionAt(rows),
+            lastMessageAt: feed.lastMessageAt,
+            // Honest-failure metadata: how long the feed has been quiet, which
+            // recovery attempt we are on, and when the next one lands.
+            silentForMs: feed.silentForMs,
+            reconnectAttempt: feed.reconnectAttempt,
+            nextAttemptAt: feed.nextAttemptAt,
+            staleAfterMs: feed.staleAfterMs,
+            watchdog: feed.watchdog,
+          }),
+        );
       } catch (error) {
         res.statusCode = 502;
         res.setHeader('Content-Type', 'application/json; charset=utf-8');
         res.setHeader('Cache-Control', 'no-store');
-        res.end(JSON.stringify({ error: error?.message || 'AIS live stream error', rows: [] }));
+        res.end(
+          JSON.stringify({
+            error: error?.message || 'AIS live stream error',
+            rows: [],
+          }),
+        );
       }
     });
   }
@@ -161,7 +195,10 @@ function aisWebSocketImpl() {
     _aisWebSocketImpl = createRequire(import.meta.url)('ws');
   } catch (error) {
     _aisWebSocketImpl = null;
-    console.warn('[AISStream] `ws` is unavailable; the live vessel feed is off.', error?.message || '');
+    console.warn(
+      '[AISStream] `ws` is unavailable; the live vessel feed is off.',
+      error?.message || '',
+    );
   }
   return _aisWebSocketImpl;
 }
@@ -188,9 +225,13 @@ function aisWatchdogPolicy() {
     process.env.AISSTREAM_SILENCE_TIMEOUT_MS,
     (message) => console.warn(message),
   );
-  const reportMs = override.kind === 'timeout' ? override.value : AISSTREAM_SILENCE_REPORT_MS;
+  const reportMs =
+    override.kind === 'timeout' ? override.value : AISSTREAM_SILENCE_REPORT_MS;
   _aisWatchdogPolicy = {
-    silenceWatch: override.kind === 'off' ? false : (override.kind === 'timeout' || !customSubscription),
+    silenceWatch:
+      override.kind === 'off'
+        ? false
+        : override.kind === 'timeout' || !customSubscription,
     reportMs,
     recycleMs: Math.round(reportMs * AISSTREAM_RECYCLE_RATIO),
     // Overridable so the watchdog can be exercised end-to-end against a local
@@ -201,7 +242,6 @@ function aisWatchdogPolicy() {
   return _aisWatchdogPolicy;
 }
 
-
 /**
  * The transport adapter, built on first use and kept for the module lifetime.
  *
@@ -273,7 +313,9 @@ function aisStreamStatusSnapshot() {
   if (snapshot) return snapshot;
   return {
     status: process.env.AISSTREAM_API_KEY ? 'idle' : 'missing-key',
-    error: process.env.AISSTREAM_API_KEY ? null : 'AISSTREAM_API_KEY is not set',
+    error: process.env.AISSTREAM_API_KEY
+      ? null
+      : 'AISSTREAM_API_KEY is not set',
     lastMessageAt: null,
     silentForMs: null,
     reconnectAttempt: 0,
@@ -327,8 +369,14 @@ function disposeAisStream() {
 function aisStreamSubscription() {
   return {
     APIKey: process.env.AISSTREAM_API_KEY,
-    BoundingBoxes: parseJsonEnv('AISSTREAM_BOUNDING_BOXES', AISSTREAM_DEFAULT_BBOXES),
-    FilterMessageTypes: parseCsvOrJsonEnv('AISSTREAM_MESSAGE_TYPES', AISSTREAM_DEFAULT_MESSAGE_TYPES),
+    BoundingBoxes: parseJsonEnv(
+      'AISSTREAM_BOUNDING_BOXES',
+      AISSTREAM_DEFAULT_BBOXES,
+    ),
+    FilterMessageTypes: parseCsvOrJsonEnv(
+      'AISSTREAM_MESSAGE_TYPES',
+      AISSTREAM_DEFAULT_MESSAGE_TYPES,
+    ),
   };
 }
 
@@ -350,6 +398,9 @@ function parseCsvOrJsonEnv(key, fallback) {
     const parsed = JSON.parse(value);
     return Array.isArray(parsed) ? parsed : fallback;
   } catch {
-    return value.split(',').map((entry) => entry.trim()).filter(Boolean);
+    return value
+      .split(',')
+      .map((entry) => entry.trim())
+      .filter(Boolean);
   }
 }
diff --git a/server/providers/vessels/ais-store.js b/server/providers/vessels/ais-store.js
index 0ba5235f0..4a53464f6 100644
--- a/server/providers/vessels/ais-store.js
+++ b/server/providers/vessels/ais-store.js
@@ -37,7 +37,9 @@ export function ingestAisStreamEnvelope(envelope) {
   const messageType = envelope?.MessageType;
   const message = envelope?.Message?.[messageType] || {};
   const metadata = envelope?.MetaData || envelope?.Metadata || {};
-  const mmsi = stringValue(metadata.MMSI ?? message.UserID ?? message.UserId ?? message.Mmsi);
+  const mmsi = stringValue(
+    metadata.MMSI ?? message.UserID ?? message.UserId ?? message.Mmsi,
+  );
   if (!mmsi) return false;
 
   if (messageType === 'ShipStaticData' || messageType === 'StaticDataReport') {
@@ -51,8 +53,12 @@ export function ingestAisStreamEnvelope(envelope) {
     mergeAisStaticIntoLiveVessel(mmsi, staticData);
   }
 
-  const lat = numberValue(metadata.latitude ?? metadata.Latitude ?? message.Latitude);
-  const lon = numberValue(metadata.longitude ?? metadata.Longitude ?? message.Longitude);
+  const lat = numberValue(
+    metadata.latitude ?? metadata.Latitude ?? message.Latitude,
+  );
+  const lon = numberValue(
+    metadata.longitude ?? metadata.Longitude ?? message.Longitude,
+  );
   // A positionless but well-formed record (static data) is still the feed
   // delivering AIS traffic, so it counts as liveness.
   if (!Number.isFinite(lat) || !Number.isFinite(lon)) return true;
@@ -69,14 +75,21 @@ export function ingestAisStreamEnvelope(envelope) {
     speed: numberValue(message.Sog ?? message.SOG),
     course: numberValue(message.Cog ?? message.COG),
     heading: normalizedHeading(message.TrueHeading ?? message.Heading),
-    last_position_UTC: normalizeAisTimestamp(metadata.time_utc ?? metadata.TimeUtc),
+    last_position_UTC: normalizeAisTimestamp(
+      metadata.time_utc ?? metadata.TimeUtc,
+    ),
     // Use the AIS message's own report time, not server ingest wall-clock —
     // trail spacing and dead reckoning depend on true fix epochs.
     last_position_epoch: aisEpochSeconds(metadata.time_utc ?? metadata.TimeUtc),
     _updatedAt: Date.now(),
   });
 
-  appendAisTrackSample(mmsi, lat, lon, aisEpochSeconds(metadata.time_utc ?? metadata.TimeUtc));
+  appendAisTrackSample(
+    mmsi,
+    lat,
+    lon,
+    aisEpochSeconds(metadata.time_utc ?? metadata.TimeUtc),
+  );
 
   pruneAisStreamCache();
   return true;
@@ -87,7 +100,9 @@ export function ingestAisStreamEnvelope(envelope) {
  */
 function aisEpochSeconds(value) {
   const ms = Date.parse(normalizeAisTimestamp(value));
-  return Number.isFinite(ms) ? Math.floor(ms / 1000) : Math.floor(Date.now() / 1000);
+  return Number.isFinite(ms)
+    ? Math.floor(ms / 1000)
+    : Math.floor(Date.now() / 1000);
 }
 
 /**
@@ -106,7 +121,11 @@ function appendAisTrackSample(mmsi, lat, lon, epochSec) {
       return;
     }
     if (epochSec - pending.epochSec < AIS_TRACK_MIN_GAP_SEC) return;
-    if (approxMetersBetween(pending.lat, pending.lon, lat, lon) < AIS_TRACK_MIN_MOVE_M) return;
+    if (
+      approxMetersBetween(pending.lat, pending.lon, lat, lon) <
+      AIS_TRACK_MIN_MOVE_M
+    )
+      return;
     track = {
       lats: new Float32Array(AIS_TRACK_SAMPLES),
       lons: new Float32Array(AIS_TRACK_SAMPLES),
@@ -124,7 +143,11 @@ function appendAisTrackSample(mmsi, lat, lon, epochSec) {
   const lastIdx = (track.head - 1 + AIS_TRACK_SAMPLES) % AIS_TRACK_SAMPLES;
   const lastEpoch = track.times[lastIdx];
   if (epochSec - lastEpoch < AIS_TRACK_MIN_GAP_SEC) return;
-  if (approxMetersBetween(track.lats[lastIdx], track.lons[lastIdx], lat, lon) < AIS_TRACK_MIN_MOVE_M) return;
+  if (
+    approxMetersBetween(track.lats[lastIdx], track.lons[lastIdx], lat, lon) <
+    AIS_TRACK_MIN_MOVE_M
+  )
+    return;
   writeAisTrackSample(track, lat, lon, epochSec);
 }
 
@@ -144,10 +167,15 @@ export function readAisTrack(mmsi) {
   const track = _aisStreamTracks.get(mmsi);
   if (!track || !track.len) return [];
   const samples = [];
-  const start = (track.head - track.len + AIS_TRACK_SAMPLES) % AIS_TRACK_SAMPLES;
+  const start =
+    (track.head - track.len + AIS_TRACK_SAMPLES) % AIS_TRACK_SAMPLES;
   for (let i = 0; i < track.len; i++) {
     const idx = (start + i) % AIS_TRACK_SAMPLES;
-    samples.push({ lat: track.lats[idx], lon: track.lons[idx], t: track.times[idx] });
+    samples.push({
+      lat: track.lats[idx],
+      lon: track.lons[idx],
+      t: track.times[idx],
+    });
   }
   return samples;
 }
@@ -155,35 +183,38 @@ export function readAisTrack(mmsi) {
 /** Equirectangular distance approximation — plenty for 25m thinning. */
 function approxMetersBetween(lat1, lon1, lat2, lon2) {
   const dLat = (lat2 - lat1) * 111320;
-  const dLon = (lon2 - lon1) * 111320 * Math.cos(((lat1 + lat2) / 2) * (Math.PI / 180));
+  const dLon =
+    (lon2 - lon1) * 111320 * Math.cos(((lat1 + lat2) / 2) * (Math.PI / 180));
   return Math.hypot(dLat, dLon);
 }
 
 function mergeAisStaticIntoLiveVessel(mmsi, staticData) {
   const existing = _aisStreamVessels.get(mmsi);
   if (!existing) return;
-  if (staticData.name && (!existing.name || existing.name === `MMSI ${mmsi}`)) existing.name = staticData.name;
+  if (staticData.name && (!existing.name || existing.name === `MMSI ${mmsi}`))
+    existing.name = staticData.name;
   if (staticData.type && !existing.type) existing.type = staticData.type;
-  if (staticData.destination && !existing.destination) existing.destination = staticData.destination;
+  if (staticData.destination && !existing.destination)
+    existing.destination = staticData.destination;
   if (staticData.imo && !existing.imo) existing.imo = staticData.imo;
 }
 
 function vesselNameFromAis(metadata, message, staticData = {}) {
   return stringValue(
-    metadata.ShipName
-      ?? message.Name
-      ?? message.ShipName
-      ?? message.ReportA?.Name
-      ?? staticData.name
+    metadata.ShipName ??
+      message.Name ??
+      message.ShipName ??
+      message.ReportA?.Name ??
+      staticData.name,
   );
 }
 
 function vesselTypeFromAis(message, staticData = {}) {
   return stringValue(
-    message.Type
-      ?? message.ShipType
-      ?? message.ReportB?.ShipType
-      ?? staticData.type
+    message.Type ??
+      message.ShipType ??
+      message.ReportB?.ShipType ??
+      staticData.type,
   );
 }
 
@@ -209,11 +240,17 @@ function pruneAisStreamCache() {
   // Pending single-fix entries for vessels never seen again must not leak
   const pendingCutoffSec = Math.floor(cutoff / 1000);
   for (const [mmsi, pending] of _aisStreamTrackPending) {
-    if (pending.epochSec < pendingCutoffSec) _aisStreamTrackPending.delete(mmsi);
+    if (pending.epochSec < pendingCutoffSec)
+      _aisStreamTrackPending.delete(mmsi);
   }
   if (_aisStreamVessels.size <= AISSTREAM_CACHE_MAX) return;
-  const ordered = [..._aisStreamVessels.entries()].sort((a, b) => a[1]._updatedAt - b[1]._updatedAt);
-  for (const [mmsi] of ordered.slice(0, _aisStreamVessels.size - AISSTREAM_CACHE_MAX)) {
+  const ordered = [..._aisStreamVessels.entries()].sort(
+    (a, b) => a[1]._updatedAt - b[1]._updatedAt,
+  );
+  for (const [mmsi] of ordered.slice(
+    0,
+    _aisStreamVessels.size - AISSTREAM_CACHE_MAX,
+  )) {
     _aisStreamVessels.delete(mmsi);
     _aisStreamTracks.delete(mmsi);
     _aisStreamTrackPending.delete(mmsi);
@@ -245,5 +282,7 @@ function normalizeAisTimestamp(value) {
   if (!text) return new Date().toISOString();
   const normalized = text.replace(' +0000 UTC', 'Z').replace(' UTC', 'Z');
   const date = new Date(normalized);
-  return Number.isNaN(date.getTime()) ? new Date().toISOString() : date.toISOString();
+  return Number.isNaN(date.getTime())
+    ? new Date().toISOString()
+    : date.toISOString();
 }
diff --git a/src/data/adsbLolFallback.js b/src/data/adsbLolFallback.js
index d18d5e34d..7cd887dc6 100644
--- a/src/data/adsbLolFallback.js
+++ b/src/data/adsbLolFallback.js
@@ -9,7 +9,9 @@ function finiteNumber(value) {
 }
 
 function emitterCategory(value) {
-  const category = String(value || '').trim().toUpperCase();
+  const category = String(value || '')
+    .trim()
+    .toUpperCase();
   const categories = {
     A1: 2,
     A2: 3,
@@ -36,18 +38,24 @@ function emitterCategory(value) {
  * @returns {Array|null} OpenSky-compatible state vector, or null when invalid.
  */
 export function normalizeAdsbLolAircraftState(aircraft, nowSeconds) {
-  const hex = String(aircraft?.hex || '').trim().toLowerCase();
+  const hex = String(aircraft?.hex || '')
+    .trim()
+    .toLowerCase();
   const latitude = finiteNumber(aircraft?.lat);
   const longitude = finiteNumber(aircraft?.lon);
   if (!hex || latitude === null || longitude === null) return null;
 
-  const seenPosition = Math.max(0, finiteNumber(aircraft?.seen_pos) ?? finiteNumber(aircraft?.seen) ?? 0);
+  const seenPosition = Math.max(
+    0,
+    finiteNumber(aircraft?.seen_pos) ?? finiteNumber(aircraft?.seen) ?? 0,
+  );
   const seen = Math.max(0, finiteNumber(aircraft?.seen) ?? seenPosition);
   const onGround = aircraft?.alt_baro === 'ground';
   const barometricFeet = onGround ? null : finiteNumber(aircraft?.alt_baro);
   const geometricFeet = finiteNumber(aircraft?.alt_geom);
   const groundSpeedKnots = finiteNumber(aircraft?.gs);
-  const verticalRateFpm = finiteNumber(aircraft?.baro_rate) ?? finiteNumber(aircraft?.geom_rate);
+  const verticalRateFpm =
+    finiteNumber(aircraft?.baro_rate) ?? finiteNumber(aircraft?.geom_rate);
   const track = finiteNumber(aircraft?.track);
 
   return [
@@ -80,9 +88,12 @@ export function normalizeAdsbLolAircraftState(aircraft, nowSeconds) {
  */
 export function normalizeAdsbLolPointResponse(payload) {
   const responseNow = finiteNumber(payload?.now);
-  const nowSeconds = responseNow === null
-    ? Math.floor(Date.now() / 1000)
-    : Math.floor(responseNow > 10_000_000_000 ? responseNow / 1000 : responseNow);
+  const nowSeconds =
+    responseNow === null
+      ? Math.floor(Date.now() / 1000)
+      : Math.floor(
+          responseNow > 10_000_000_000 ? responseNow / 1000 : responseNow,
+        );
   const states = (Array.isArray(payload?.ac) ? payload.ac : [])
     .map((aircraft) => normalizeAdsbLolAircraftState(aircraft, nowSeconds))
     .filter(Boolean);
diff --git a/src/data/aisStreamAdapter.js b/src/data/aisStreamAdapter.js
index 3235b2f6f..1f7b0ef9b 100644
--- a/src/data/aisStreamAdapter.js
+++ b/src/data/aisStreamAdapter.js
@@ -26,10 +26,12 @@ const DEFAULT_CLOCK = Object.freeze({
 });
 
 /** Upstream text that identifies a credential rejection. */
-const AUTH_TEXT = /(unauthoriz|unauthoris|forbidden|invalid\s*api[\s_-]*key|invalid\s*key|bad\s*api[\s_-]*key|authentic|api\s*key\s*(is\s*)?(invalid|required|missing|not\s*valid))/i;
+const AUTH_TEXT =
+  /(unauthoriz|unauthoris|forbidden|invalid\s*api[\s_-]*key|invalid\s*key|bad\s*api[\s_-]*key|authentic|api\s*key\s*(is\s*)?(invalid|required|missing|not\s*valid))/i;
 
 /** Upstream text that identifies a rate limit / connection cap. */
-const RATE_TEXT = /(rate[\s_-]*limit|too\s*many\s*(requests|connections)|quota\s*exceeded|429)/i;
+const RATE_TEXT =
+  /(rate[\s_-]*limit|too\s*many\s*(requests|connections)|quota\s*exceeded|429)/i;
 
 /**
  * Parse an HTTP `Retry-After` header into milliseconds.
@@ -61,7 +63,8 @@ export function parseRetryAfterMs(raw, nowMs = Date.now()) {
  */
 export function classifyAisFailure(input = {}) {
   const text = String(input.message || '').trim();
-  const fromHeader = () => parseRetryAfterMs(input.retryAfterHeader, input.nowMs);
+  const fromHeader = () =>
+    parseRetryAfterMs(input.retryAfterHeader, input.nowMs);
 
   let status = Number(input.httpStatus);
   if (!Number.isFinite(status)) {
@@ -72,7 +75,10 @@ export function classifyAisFailure(input = {}) {
   }
 
   if (status === 401 || status === 403) {
-    return { kind: 'auth', message: `AISStream rejected the API key (HTTP ${status})` };
+    return {
+      kind: 'auth',
+      message: `AISStream rejected the API key (HTTP ${status})`,
+    };
   }
   if (status === 429) {
     return {
@@ -82,10 +88,14 @@ export function classifyAisFailure(input = {}) {
     };
   }
   if (Number.isFinite(status) && status >= 400) {
-    return { kind: 'transport', message: `AISStream upgrade failed (HTTP ${status})` };
+    return {
+      kind: 'transport',
+      message: `AISStream upgrade failed (HTTP ${status})`,
+    };
   }
   if (AUTH_TEXT.test(text)) return { kind: 'auth', message: text };
-  if (RATE_TEXT.test(text)) return { kind: 'rate-limit', message: text, retryAfterMs: fromHeader() };
+  if (RATE_TEXT.test(text))
+    return { kind: 'rate-limit', message: text, retryAfterMs: fromHeader() };
   return { kind: 'transport', message: text || 'AISStream websocket error' };
 }
 
@@ -151,7 +161,8 @@ export function aisFrameByteLength(data) {
   if (typeof data === 'string') return data.length;
   if (data instanceof ArrayBuffer) return data.byteLength;
   if (ArrayBuffer.isView(data)) return data.byteLength;
-  if (Array.isArray(data)) return data.reduce((sum, part) => sum + aisFrameByteLength(part), 0);
+  if (Array.isArray(data))
+    return data.reduce((sum, part) => sum + aisFrameByteLength(part), 0);
   return 0;
 }
 
@@ -168,33 +179,35 @@ export function aisFrameByteLength(data) {
  *
  * If AISStream adds a type, add it here — do not infer it.
  */
-export const AIS_RECOGNIZED_MESSAGE_TYPES = Object.freeze(new Set([
-  'PositionReport',
-  'UnknownMessage',
-  'AddressedSafetyMessage',
-  'AddressedBinaryMessage',
-  'AidsToNavigationReport',
-  'AssignedModeCommand',
-  'BaseStationReport',
-  'BinaryAcknowledge',
-  'BinaryBroadcastMessage',
-  'ChannelManagement',
-  'CoordinatedUTCInquiry',
-  'DataLinkManagementMessage',
-  'DataLinkManagementMessageData',
-  'ExtendedClassBPositionReport',
-  'GroupAssignmentCommand',
-  'GnssBroadcastBinaryMessage',
-  'Interrogation',
-  'LongRangeAisBroadcastMessage',
-  'MultiSlotBinaryMessage',
-  'SafetyBroadcastMessage',
-  'ShipStaticData',
-  'SingleSlotBinaryMessage',
-  'StandardClassBPositionReport',
-  'StandardSearchAndRescueAircraftReport',
-  'StaticDataReport',
-]));
+export const AIS_RECOGNIZED_MESSAGE_TYPES = Object.freeze(
+  new Set([
+    'PositionReport',
+    'UnknownMessage',
+    'AddressedSafetyMessage',
+    'AddressedBinaryMessage',
+    'AidsToNavigationReport',
+    'AssignedModeCommand',
+    'BaseStationReport',
+    'BinaryAcknowledge',
+    'BinaryBroadcastMessage',
+    'ChannelManagement',
+    'CoordinatedUTCInquiry',
+    'DataLinkManagementMessage',
+    'DataLinkManagementMessageData',
+    'ExtendedClassBPositionReport',
+    'GroupAssignmentCommand',
+    'GnssBroadcastBinaryMessage',
+    'Interrogation',
+    'LongRangeAisBroadcastMessage',
+    'MultiSlotBinaryMessage',
+    'SafetyBroadcastMessage',
+    'ShipStaticData',
+    'SingleSlotBinaryMessage',
+    'StandardClassBPositionReport',
+    'StandardSearchAndRescueAircraftReport',
+    'StaticDataReport',
+  ]),
+);
 
 /**
  * Resolve an envelope's MMSI, or null.
@@ -221,9 +234,14 @@ export function aisEnvelopeMmsi(envelope, body = {}) {
  * @returns {boolean}
  */
 export function isRecognizedAisEnvelope(envelope) {
-  if (!envelope || typeof envelope !== 'object' || Array.isArray(envelope)) return false;
+  if (!envelope || typeof envelope !== 'object' || Array.isArray(envelope))
+    return false;
   const messageType = envelope.MessageType;
-  if (typeof messageType !== 'string' || !AIS_RECOGNIZED_MESSAGE_TYPES.has(messageType)) return false;
+  if (
+    typeof messageType !== 'string' ||
+    !AIS_RECOGNIZED_MESSAGE_TYPES.has(messageType)
+  )
+    return false;
   const body = envelope.Message?.[messageType];
   if (!body || typeof body !== 'object') return false;
   return aisEnvelopeMmsi(envelope, body) !== null;
@@ -281,7 +299,10 @@ export function createAisStreamAdapter(options) {
   /** (Re)build the state machine, preserving the generation namespace. */
   function setWatchdogOptions(watchdogOptions = {}) {
     if (watchdog) {
-      generationHighWater = Math.max(generationHighWater, watchdog.highWaterGeneration());
+      generationHighWater = Math.max(
+        generationHighWater,
+        watchdog.highWaterGeneration(),
+      );
     }
     watchdog = createAisWatchdog({
       ...watchdogOptions,
@@ -306,7 +327,9 @@ export function createAisStreamAdapter(options) {
     try {
       socket.terminate();
     } catch (error) {
-      warn(`[AISStream] terminate(${reason || 'unknown'}) failed: ${error?.message || error}`);
+      warn(
+        `[AISStream] terminate(${reason || 'unknown'}) failed: ${error?.message || error}`,
+      );
     }
   }
 
@@ -325,7 +348,8 @@ export function createAisStreamAdapter(options) {
    */
   function runActions(owner, actions) {
     for (const action of actions || []) {
-      if (action.type === 'terminate') terminateGeneration(action.generation, action.reason);
+      if (action.type === 'terminate')
+        terminateGeneration(action.generation, action.reason);
       else if (action.type === 'connect') openSocket(owner, action.generation);
     }
   }
@@ -349,11 +373,18 @@ export function createAisStreamAdapter(options) {
     try {
       socket = createSocket(resolveUrl());
     } catch (error) {
-      failGeneration(owner, generation, classifyAisFailure({ message: error?.message }));
+      failGeneration(
+        owner,
+        generation,
+        classifyAisFailure({ message: error?.message }),
+      );
       return;
     }
     if (!socket) {
-      failGeneration(owner, generation, { kind: 'transport', message: 'socket factory returned nothing' });
+      failGeneration(owner, generation, {
+        kind: 'transport',
+        message: 'socket factory returned nothing',
+      });
       return;
     }
     sockets.set(generation, socket);
@@ -386,7 +417,11 @@ export function createAisStreamAdapter(options) {
       try {
         socket.send(JSON.stringify(buildSubscription()));
       } catch (error) {
-        failGeneration(owner, generation, classifyAisFailure({ message: error?.message }));
+        failGeneration(
+          owner,
+          generation,
+          classifyAisFailure({ message: error?.message }),
+        );
       }
     });
 
@@ -408,7 +443,9 @@ export function createAisStreamAdapter(options) {
           return;
         }
         handleMessage(owner, generation, socket, data).catch((error) => {
-          warn(`[AISStream] message handling failed: ${error?.message || error}`);
+          warn(
+            `[AISStream] message handling failed: ${error?.message || error}`,
+          );
         });
       } catch (error) {
         // A frame that cannot even be decoded is a malformed frame: dropped,
@@ -427,7 +464,9 @@ export function createAisStreamAdapter(options) {
       });
       try {
         response?.destroy?.();
-      } catch { /* already gone */ }
+      } catch {
+        /* already gone */
+      }
       releaseSocketEntry(generation, socket);
       abort(socket, 'unexpected-response');
       failGeneration(owner, generation, detail);
@@ -440,10 +479,14 @@ export function createAisStreamAdapter(options) {
         abort(socket, 'orphan-error');
         return;
       }
-      failGeneration(owner, generation, classifyAisFailure({
-        message: error?.message || String(error || ''),
-        nowMs: clock.wall(),
-      }));
+      failGeneration(
+        owner,
+        generation,
+        classifyAisFailure({
+          message: error?.message || String(error || ''),
+          nowMs: clock.wall(),
+        }),
+      );
     });
 
     on('close', () => {
@@ -482,10 +525,14 @@ export function createAisStreamAdapter(options) {
     if (parsed.kind === 'error') {
       // An error envelope is the OPPOSITE of liveness. Classifying it keeps a
       // rejected key out of the fast ladder.
-      failGeneration(owner, generation, classifyAisFailure({
-        message: parsed.message,
-        nowMs: clock.wall(),
-      }));
+      failGeneration(
+        owner,
+        generation,
+        classifyAisFailure({
+          message: parsed.message,
+          nowMs: clock.wall(),
+        }),
+      );
       return;
     }
 
@@ -504,7 +551,10 @@ export function createAisStreamAdapter(options) {
   /** Tear down sockets and machine state, preserving the generation namespace. */
   function dispose() {
     if (watchdog) {
-      generationHighWater = Math.max(generationHighWater, watchdog.highWaterGeneration());
+      generationHighWater = Math.max(
+        generationHighWater,
+        watchdog.highWaterGeneration(),
+      );
       runActions(watchdog, watchdog.dispose());
     }
     for (const [generation, socket] of [...sockets]) {
diff --git a/src/data/aisWatchdog.js b/src/data/aisWatchdog.js
index eaf5ac614..511644482 100644
--- a/src/data/aisWatchdog.js
+++ b/src/data/aisWatchdog.js
@@ -63,7 +63,11 @@ export const AIS_WATCHDOG_STATUSES = Object.freeze([
 ]);
 
 /** Failure classes. Only 'transport' is allowed to walk the fast ladder. */
-export const AIS_FAILURE_KINDS = Object.freeze(['transport', 'auth', 'rate-limit']);
+export const AIS_FAILURE_KINDS = Object.freeze([
+  'transport',
+  'auth',
+  'rate-limit',
+]);
 
 /** Statuses that must not flip back to a hopeful 'connecting' on a retry. */
 const QUIET_TERMINAL = new Set(['down', 'auth-failed']);
@@ -92,8 +96,8 @@ export function parseSilenceTimeoutEnv(raw, warn) {
   if (!text) return { kind: 'default' };
   if (!/^\d+(\.\d+)?$/.test(text)) {
     warn?.(
-      `[AISStream] Ignoring AISSTREAM_SILENCE_TIMEOUT_MS="${raw}" (not a non-negative number); `
-      + `using the ${AIS_WATCHDOG_DEFAULTS.staleMs}ms default.`,
+      `[AISStream] Ignoring AISSTREAM_SILENCE_TIMEOUT_MS="${raw}" (not a non-negative number); ` +
+        `using the ${AIS_WATCHDOG_DEFAULTS.staleMs}ms default.`,
     );
     return { kind: 'default' };
   }
@@ -132,11 +136,18 @@ export function createAisWatchdog(options = {}) {
     staleMs,
     positiveOr(options.recycleAfterMs, AIS_WATCHDOG_DEFAULTS.recycleAfterMs),
   );
-  const backoffMs = Array.isArray(options.backoffMs) && options.backoffMs.length
-    ? options.backoffMs.map((ms) => positiveOr(ms, 5_000))
-    : [...AIS_WATCHDOG_DEFAULTS.backoffMs];
-  const downRetryMs = positiveOr(options.downRetryMs, AIS_WATCHDOG_DEFAULTS.downRetryMs);
-  const authProbeMs = positiveOr(options.authProbeMs, AIS_WATCHDOG_DEFAULTS.authProbeMs);
+  const backoffMs =
+    Array.isArray(options.backoffMs) && options.backoffMs.length
+      ? options.backoffMs.map((ms) => positiveOr(ms, 5_000))
+      : [...AIS_WATCHDOG_DEFAULTS.backoffMs];
+  const downRetryMs = positiveOr(
+    options.downRetryMs,
+    AIS_WATCHDOG_DEFAULTS.downRetryMs,
+  );
+  const authProbeMs = positiveOr(
+    options.authProbeMs,
+    AIS_WATCHDOG_DEFAULTS.authProbeMs,
+  );
   const clock = options.clock || DEFAULT_CLOCK;
 
   let status = 'idle';
@@ -184,7 +195,8 @@ export function createAisWatchdog(options = {}) {
     // unproven, and hammering on an unproven key is the behaviour this whole
     // state exists to prevent. Only valid data or a key rotation leaves
     // auth-failed.
-    const effective = status === 'auth-failed' && kind !== 'auth' ? 'auth' : kind;
+    const effective =
+      status === 'auth-failed' && kind !== 'auth' ? 'auth' : kind;
     reconnectAttempt += 1;
 
     if (effective === 'auth') {
@@ -201,7 +213,8 @@ export function createAisWatchdog(options = {}) {
       reconnectAttempt = Math.max(reconnectAttempt, backoffMs.length);
       const wait = positiveOr(retryAfterMs, backoffMs[backoffMs.length - 1]);
       status = isExhausted() ? 'down' : 'reconnecting';
-      nextAttemptMono = monoNow + (isExhausted() ? Math.max(wait, downRetryMs) : wait);
+      nextAttemptMono =
+        monoNow + (isExhausted() ? Math.max(wait, downRetryMs) : wait);
       return;
     }
 
@@ -251,7 +264,8 @@ export function createAisWatchdog(options = {}) {
     // A changed credential is the one event that can plausibly fix an auth
     // rejection, so it clears the terminal state immediately.
     const nextFingerprint = env.keyFingerprint ?? null;
-    const credentialChanged = keyFingerprint !== null && nextFingerprint !== keyFingerprint;
+    const credentialChanged =
+      keyFingerprint !== null && nextFingerprint !== keyFingerprint;
     keyFingerprint = nextFingerprint;
     if (credentialChanged) {
       // Any socket in flight belongs to the OLD key — it subscribed with that
@@ -353,9 +367,12 @@ export function createAisWatchdog(options = {}) {
    */
   function onOpen(eventGeneration) {
     if (!ownsGeneration(eventGeneration)) {
-      return [{ type: 'terminate', generation: eventGeneration, reason: 'orphan' }];
+      return [
+        { type: 'terminate', generation: eventGeneration, reason: 'orphan' },
+      ];
     }
-    if (!QUIET_TERMINAL.has(status) && status !== 'stale') status = 'connecting';
+    if (!QUIET_TERMINAL.has(status) && status !== 'stale')
+      status = 'connecting';
     return [];
   }
 
@@ -367,7 +384,9 @@ export function createAisWatchdog(options = {}) {
    */
   function onMessage(eventGeneration) {
     if (!ownsGeneration(eventGeneration)) {
-      return [{ type: 'terminate', generation: eventGeneration, reason: 'orphan' }];
+      return [
+        { type: 'terminate', generation: eventGeneration, reason: 'orphan' },
+      ];
     }
     const monoNow = clock.mono();
     silenceSinceMono = monoNow;
@@ -397,7 +416,9 @@ export function createAisWatchdog(options = {}) {
    */
   function onFailure(eventGeneration, detail = {}) {
     if (!ownsGeneration(eventGeneration)) return [];
-    const kind = AIS_FAILURE_KINDS.includes(detail.kind) ? detail.kind : 'transport';
+    const kind = AIS_FAILURE_KINDS.includes(detail.kind)
+      ? detail.kind
+      : 'transport';
     // A probe dying of some unrelated fault while the key is refused keeps the
     // credential message — surfacing "ECONNRESET" would send the operator
     // chasing the network instead of the key.
@@ -433,7 +454,8 @@ export function createAisWatchdog(options = {}) {
   function snapshot() {
     const monoNow = clock.mono();
     const wallNow = clock.wall();
-    const silentForMs = owned !== null ? Math.max(0, monoNow - silenceSinceMono) : null;
+    const silentForMs =
+      owned !== null ? Math.max(0, monoNow - silenceSinceMono) : null;
     const waitingMs = Math.max(0, nextAttemptMono - monoNow);
     return {
       status,
@@ -442,9 +464,12 @@ export function createAisWatchdog(options = {}) {
       silentForMs,
       reconnectAttempt,
       // Projected onto the wall clock purely for display.
-      nextAttemptAt: (status === 'reconnecting' || status === 'down' || status === 'auth-failed')
-        ? wallNow + waitingMs
-        : null,
+      nextAttemptAt:
+        status === 'reconnecting' ||
+        status === 'down' ||
+        status === 'auth-failed'
+          ? wallNow + waitingMs
+          : null,
       watchdog: silenceWatchArmed ? 'armed' : 'custom-subscription-off',
       staleAfterMs: staleMs,
     };
@@ -452,7 +477,13 @@ export function createAisWatchdog(options = {}) {
 
   /** Test/diagnostic view of internal ownership. */
   function debugState() {
-    return { status, owned, generation, reconnectAttempt, lastMessageAt: lastMessageWall };
+    return {
+      status,
+      owned,
+      generation,
+      reconnectAttempt,
+      lastMessageAt: lastMessageWall,
+    };
   }
 
   return {
diff --git a/src/tooling/liveProviders.test.mjs b/src/tooling/liveProviders.test.mjs
index d1e53e43c..b61de4eeb 100644
--- a/src/tooling/liveProviders.test.mjs
+++ b/src/tooling/liveProviders.test.mjs
@@ -9,18 +9,28 @@ import * as portable from '../../src/data/adsbLolFallback.js';
 function install(plugin, preview = false) {
   const routes = new Map();
   plugin[preview ? 'configurePreviewServer' : 'configureServer']({
-    middlewares: { use(route, handler) { routes.set(route, handler); } },
+    middlewares: {
+      use(route, handler) {
+        routes.set(route, handler);
+      },
+    },
   });
   return async (route, url = '/', method = 'GET') => {
     assert.ok(routes.has(route), `registered route: ${route}`);
     const response = {
-      statusCode: 200, headers: {},
-      setHeader(key, value) { this.headers[key.toLowerCase()] = value; },
+      statusCode: 200,
+      headers: {},
+      setHeader(key, value) {
+        this.headers[key.toLowerCase()] = value;
+      },
       writeHead(status, headers = {}) {
         this.statusCode = status;
-        for (const [key, value] of Object.entries(headers)) this.setHeader(key, value);
+        for (const [key, value] of Object.entries(headers))
+          this.setHeader(key, value);
+      },
+      end(body) {
+        this.body = body;
       },
-      end(body) { this.body = body; },
     };
     await routes.get(route)({ url, method }, response);
     return response;
@@ -30,8 +40,12 @@ function install(plugin, preview = false) {
 function environment(t, values) {
   for (const [key, value] of Object.entries(values)) {
     const original = process.env[key];
-    if (value === undefined) delete process.env[key]; else process.env[key] = value;
-    t.after(() => { if (original === undefined) delete process.env[key]; else process.env[key] = original; });
+    if (value === undefined) delete process.env[key];
+    else process.env[key] = value;
+    t.after(() => {
+      if (original === undefined) delete process.env[key];
+      else process.env[key] = original;
+    });
   }
 }
 
@@ -40,13 +54,19 @@ test('live entry resolves in Node and aircraft normalization stays independently
   assert.equal(entry.openSkyProxy, providers.openSkyProxy);
   assert.equal(entry.aisLiveProxy, providers.aisLiveProxy);
   const normalizer = await import('gods-eye-view/sources/adsb-lol');
-  assert.equal(normalizer.normalizeAdsbLolAircraftState, portable.normalizeAdsbLolAircraftState);
+  assert.equal(
+    normalizer.normalizeAdsbLolAircraftState,
+    portable.normalizeAdsbLolAircraftState,
+  );
 });
 
-test('OpenSky state and track routes share tokens, retain cache and use regional fallback', async t => {
+test('OpenSky state and track routes share tokens, retain cache and use regional fallback', async (t) => {
   environment(t, {
-    OPENSKY_CLIENT_ID: 'fixture-client', OPENSKY_CLIENT_SECRET: 'fixture-secret',
-    OPENSKY_AUTH_MODE: 'oauth', OPENSKY_USERNAME: undefined, OPENSKY_PASSWORD: undefined,
+    OPENSKY_CLIENT_ID: 'fixture-client',
+    OPENSKY_CLIENT_SECRET: 'fixture-secret',
+    OPENSKY_AUTH_MODE: 'oauth',
+    OPENSKY_USERNAME: undefined,
+    OPENSKY_PASSWORD: undefined,
   });
   let now = Date.now();
   t.mock.method(Date, 'now', () => now);
@@ -54,7 +74,8 @@ test('OpenSky state and track routes share tokens, retain cache and use regional
   const calls = [];
   t.mock.method(globalThis, 'fetch', async (url, options) => {
     calls.push({ url, options });
-    if (url.includes('/token')) return Response.json({ access_token: 'fixture-token', expires_in: 1800 });
+    if (url.includes('/token'))
+      return Response.json({ access_token: 'fixture-token', expires_in: 1800 });
     if (url.includes('/states/')) {
       assert.equal(options.headers.Authorization, 'Bearer fixture-token');
       return Response.json({ time: Math.floor(now / 1000), states: [] });
@@ -63,35 +84,62 @@ test('OpenSky state and track routes share tokens, retain cache and use regional
       assert.equal(options.headers.Authorization, 'Bearer fixture-token');
       return Response.json({ path: [] });
     }
-    if (url.includes('/lat/')) return Response.json({ now: now / 1000, ac: [{ hex: 'abc123', lat: 30, lon: -97, alt_baro: 10000 }] });
+    if (url.includes('/lat/'))
+      return Response.json({
+        now: now / 1000,
+        ac: [{ hex: 'abc123', lat: 30, lon: -97, alt_baro: 10000 }],
+      });
     throw Error(`Unexpected URL: ${url}`);
   });
   const states = install(providers.openSkyProxy());
-  assert.equal((await states('/api/opensky', '?lat=30&lon=-97')).statusCode, 200);
-  assert.equal((await states('/api/opensky', '?lat=30&lon=-97')).headers['x-opensky-cache'], 'HIT');
+  assert.equal(
+    (await states('/api/opensky', '?lat=30&lon=-97')).statusCode,
+    200,
+  );
+  assert.equal(
+    (await states('/api/opensky', '?lat=30&lon=-97')).headers[
+      'x-opensky-cache'
+    ],
+    'HIT',
+  );
   assert.equal(calls.length, 2);
   const tracks = install(providers.trackBackfillProxies(), true);
-  assert.equal((await tracks('/api/opensky-track', '?icao24=ABC123')).statusCode, 200);
+  assert.equal(
+    (await tracks('/api/opensky-track', '?icao24=ABC123')).statusCode,
+    200,
+  );
   await tracks('/api/opensky-track', '?icao24=abc123');
-  assert.equal(calls.filter(call => call.url.includes('/token')).length, 1);
-  assert.equal(calls.filter(call => call.url.includes('/tracks/')).length, 1);
-  assert.equal((await tracks('/api/adsblol/trace', '?hex=invalid')).statusCode, 400);
+  assert.equal(calls.filter((call) => call.url.includes('/token')).length, 1);
+  assert.equal(calls.filter((call) => call.url.includes('/tracks/')).length, 1);
+  assert.equal(
+    (await tracks('/api/adsblol/trace', '?hex=invalid')).statusCode,
+    400,
+  );
   now += 130_000;
-  t.mock.method(globalThis, 'fetch', async url => {
+  t.mock.method(globalThis, 'fetch', async (url) => {
     if (url.includes('/states/')) return new Response('', { status: 503 });
-    if (url.includes('/lat/')) return Response.json({ now: now / 1000, ac: [{ hex: 'abc123', lat: 30, lon: -97, alt_baro: 10000 }] });
+    if (url.includes('/lat/'))
+      return Response.json({
+        now: now / 1000,
+        ac: [{ hex: 'abc123', lat: 30, lon: -97, alt_baro: 10000 }],
+      });
     throw Error(`Unexpected URL: ${url}`);
   });
   // A fresh request without a usable cached worldwide frame should use the regional feed.
-  const fresh = await import(`../../server/providers/aircraft/opensky.js?fallback=${now}`);
+  const fresh = await import(
+    `../../server/providers/aircraft/opensky.js?fallback=${now}`
+  );
   environment(t, { OPENSKY_AUTH_MODE: 'anon' });
-  const fallback = await install(fresh.openSkyProxy())('/api/opensky', '?lat=30&lon=-97');
+  const fallback = await install(fresh.openSkyProxy())(
+    '/api/opensky',
+    '?lat=30&lon=-97',
+  );
   assert.equal(fallback.statusCode, 200);
   assert.equal(fallback.headers['x-flight-source'], 'adsb.lol');
   assert.equal(JSON.parse(fallback.body).states[0][0], 'abc123');
 });
 
-test('military aircraft route preserves fresh cache and stale response after upstream failure', async t => {
+test('military aircraft route preserves fresh cache and stale response after upstream failure', async (t) => {
   let now = Date.now();
   let calls = 0;
   t.mock.method(Date, 'now', () => now);
@@ -109,30 +157,48 @@ test('military aircraft route preserves fresh cache and stale response after ups
   assert.equal(calls, 2);
 });
 
-test('AIS preview route ingests through the socket, returns tracks and disposes before restart', async t => {
+test('AIS preview route ingests through the socket, returns tracks and disposes before restart', async (t) => {
   const upstream = new WebSocketServer({ host: '127.0.0.1', port: 0 });
   await once(upstream, 'listening');
   const sockets = [];
   t.after(async () => {
     for (const socket of sockets) socket.terminate();
-    await new Promise(resolve => upstream.close(resolve));
+    await new Promise((resolve) => upstream.close(resolve));
   });
   environment(t, {
     AISSTREAM_API_KEY: 'fixture-key',
     AISSTREAM_URL: `ws://127.0.0.1:${upstream.address().port}`,
-    AISSTREAM_BOUNDING_BOXES: undefined, AISSTREAM_MESSAGE_TYPES: undefined,
+    AISSTREAM_BOUNDING_BOXES: undefined,
+    AISSTREAM_MESSAGE_TYPES: undefined,
     AISSTREAM_SILENCE_TIMEOUT_MS: '0',
   });
-  upstream.on('connection', socket => {
+  upstream.on('connection', (socket) => {
     sockets.push(socket);
-    socket.on('message', raw => {
+    socket.on('message', (raw) => {
       assert.equal(JSON.parse(raw).APIKey, 'fixture-key');
-      for (const [lat, epoch] of [[30, 1_800_000_000], [30.01, 1_800_000_060]]) {
-        socket.send(JSON.stringify({
-          MessageType: 'PositionReport',
-          MetaData: { MMSI: 123456789, latitude: lat, longitude: -97, time_utc: new Date(epoch * 1000).toISOString() },
-          Message: { PositionReport: { UserID: 123456789, Sog: 10, Cog: 90, TrueHeading: 511 } },
-        }));
+      for (const [lat, epoch] of [
+        [30, 1_800_000_000],
+        [30.01, 1_800_000_060],
+      ]) {
+        socket.send(
+          JSON.stringify({
+            MessageType: 'PositionReport',
+            MetaData: {
+              MMSI: 123456789,
+              latitude: lat,
+              longitude: -97,
+              time_utc: new Date(epoch * 1000).toISOString(),
+            },
+            Message: {
+              PositionReport: {
+                UserID: 123456789,
+                Sog: 10,
+                Cog: 90,
+                TrueHeading: 511,
+              },
+            },
+          }),
+        );
       }
     });
   });
@@ -151,7 +217,10 @@ test('AIS preview route ingests through the socket, returns tracks and disposes
   assert.equal(data.rows[0].heading, null);
   const history = await request('/api/ais-live', '/track?mmsi=123456789');
   assert.equal(JSON.parse(history.body).samples.length, 2);
-  assert.equal((await request('/api/ais-live', '/track?mmsi=bad')).statusCode, 400);
+  assert.equal(
+    (await request('/api/ais-live', '/track?mmsi=bad')).statusCode,
+    400,
+  );
   assert.equal(sockets.length, 1);
   plugin.closeBundle();
   for (let i = 0; i < 100 && sockets[0].readyState !== 3; i++) await delay(10);