diff --git a/docker-compose.yml b/docker-compose.yml
index 5b00624..f61bec8 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,9 +1,9 @@
 services:
   duskmeter:
-    # Use the published image from GitHub Container Registry (default).
-    # Remove the `image` line and uncomment `build: .` to build locally instead.
-    image: ghcr.io/thelinuxguy-ssh/duskmeter:latest
-    # build: .
+    # Build locally from source.
+    # To use the published image instead, comment `build:` and uncomment `image:`.
+    build: .
+    # image: ghcr.io/thelinuxguy-ssh/duskmeter:latest
     ports:
       - "3000:3000"
     environment:
diff --git a/src/lib/components/Header.svelte b/src/lib/components/Header.svelte
index a48cd5e..b65e1db 100644
--- a/src/lib/components/Header.svelte
+++ b/src/lib/components/Header.svelte
@@ -49,9 +49,10 @@
     <div class="flex items-center gap-2 ml-auto">
       <button
         onclick={onRefresh}
-        class="flex items-center gap-1.5 h-7 px-2.5 text-[11px] font-medium text-text-dim hover:text-accent transition-colors duration-150"
+        disabled={$refreshing}
+        class="flex items-center gap-1.5 h-7 px-2.5 text-[11px] font-medium transition-colors duration-150 {$refreshing ? 'text-text-faint cursor-wait opacity-60' : 'text-text-dim hover:text-accent'}"
         aria-label="Refresh data"
-        title="Refresh data from satellite and ground sources"
+        title={$refreshing ? "Syncing data from satellite and ground sources" : "Refresh data from satellite and ground sources"}
       >
         <RefreshCw size={13} class={$refreshing ? "animate-spin" : ""} />
         <span class="hidden md:inline">{$refreshing ? "Syncing…" : "Refresh"}</span>
diff --git a/src/routes/(marketing)/+page.svelte b/src/routes/(marketing)/+page.svelte
index 530c31b..d1613cc 100644
--- a/src/routes/(marketing)/+page.svelte
+++ b/src/routes/(marketing)/+page.svelte
@@ -1,9 +1,6 @@
 <svelte:head>
   <title>Duskmeter — Corrected Sky Brightness Estimates</title>
   <meta name="description" content="Duskmeter fuses VIIRS satellite radiance with ground-truth sky brightness observations from Globe at Night to produce corrected light pollution estimates for observatories, dark-sky parks, and researchers." />
-  <link rel="preconnect" href="https://fonts.googleapis.com" />
-  <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin="anonymous" />
-  <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500;600&family=Space+Grotesk:wght@500;600;700&display=swap" rel="stylesheet" />
 </svelte:head>
 
 <script lang="ts">
diff --git a/src/routes/api/assess-all/+server.ts b/src/routes/api/assess-all/+server.ts
index a094446..d5daf89 100644
--- a/src/routes/api/assess-all/+server.ts
+++ b/src/routes/api/assess-all/+server.ts
@@ -17,14 +17,6 @@ export async function GET() {
 
 export async function POST({ url }) {
   try {
-    const lastAssess = db.prepare("SELECT value FROM sync_state WHERE key = 'last_assess_at'").get() as { value: string } | undefined;
-    if (lastAssess) {
-      const elapsed = Date.now() - Date.parse(lastAssess.value);
-      if (elapsed < 30 * 60 * 1000) {
-        return json({ error: "Assessment ran recently. Wait 30 minutes between runs." }, { status: 429 });
-      }
-    }
-
     const runLlm = url.searchParams.get("llm") === "true";
     const results = await assessAllSites(runLlm);
     db.prepare("INSERT OR REPLACE INTO sync_state (key, value) VALUES ('last_assess_at', ?)").run(new Date().toISOString());
diff --git a/src/routes/api/sites/[id]/assess/+server.ts b/src/routes/api/sites/[id]/assess/+server.ts
index 564a3da..cf3dcae 100644
--- a/src/routes/api/sites/[id]/assess/+server.ts
+++ b/src/routes/api/sites/[id]/assess/+server.ts
@@ -5,21 +5,11 @@ import { checkSite } from "$lib/server/alerts";
 
 export async function POST({ params, url }) {
   try {
-    const lastKey = `assess_${params.id}_at`;
-    const last = db.prepare("SELECT value FROM sync_state WHERE key = ?").get(lastKey) as { value: string } | undefined;
-    if (last) {
-      const elapsed = Date.now() - Date.parse(last.value);
-      if (elapsed < 5 * 60 * 1000) {
-        return json({ error: "Assessment ran recently. Wait 5 minutes between runs for this site." }, { status: 429 });
-      }
-    }
-
     const runLlm = url.searchParams.get("llm") === "true";
     const result = await assessSite(params.id, runLlm);
     if (!result) {
       return json({ error: "Site not found" }, { status: 404 });
     }
-    db.prepare("INSERT OR REPLACE INTO sync_state (key, value) VALUES (?, ?)").run(lastKey, new Date().toISOString());
     const alerts = checkSite(params.id);
     return json({ ...result, alertsCreated: alerts.created, alerts: alerts.alerts });
   } catch (e: any) {