Default external off and filter channels/backlink queries

static/app.js

@@ -141,7 +141,7 @@
     fuzzyToggle.checked = parseBoolParam("fuzzy", true);
     phraseToggle.checked = parseBoolParam("phrase", true);
     if (externalToggle) {
-      externalToggle.checked = parseBoolParam("external", true);
+      externalToggle.checked = parseBoolParam("external", false);
     }
     queryToggle.checked = parseBoolParam("query_string", false);
     applyQueryMode();
@@ -281,7 +281,11 @@
     });
     if (!collected.length) return null;
     const escaped = collected.map((id) => `"${escapeQueryValue(id)}"`);
-    return `${field}:(${escaped.join(" OR ")})`;
+    const variants = field.endsWith(".keyword")
+      ? [field]
+      : [`${field}.keyword`, field];
+    const clauses = variants.map((fname) => `${fname}:(${escaped.join(" OR ")})`);
+    return clauses.length > 1 ? `(${clauses.join(" OR ")})` : clauses[0];
   }
 
   async function loadChannels() {
@@ -290,7 +294,8 @@
       return;
     }
     try {
-      const res = await fetch("/api/channels");
+      const includeExternal = externalToggle ? externalToggle.checked : false;
+      const res = await fetch(`/api/channels?external=${includeExternal ? "1" : "0"}`);
       const data = await res.json();
       channelMap.clear();
       channelSelect.innerHTML = '<option value="">All Channels</option>';
@@ -1198,7 +1203,7 @@ async function updateFrequencyChart(term, channels, year, queryMode, toggles = {
   if (queryMode) {
     params.set("query_string", "1");
   }
-  const { exact = true, fuzzy = true, phrase = true, external = true } = toggles || {};
+  const { exact = true, fuzzy = true, phrase = true, external = false } = toggles || {};
   params.set("exact", exact ? "1" : "0");
   params.set("fuzzy", fuzzy ? "1" : "0");
   params.set("phrase", phrase ? "1" : "0");
@@ -1529,7 +1534,7 @@ async function updateFrequencyChart(term, channels, year, queryMode, toggles = {
     let exact = !!exactToggle.checked;
     let fuzzy = !!fuzzyToggle.checked;
     let phrase = !!phraseToggle.checked;
-    const includeExternal = externalToggle ? externalToggle.checked : true;
+    const includeExternal = externalToggle ? externalToggle.checked : false;
     if (queryMode) {
       exact = false;
       fuzzy = false;
@@ -1608,7 +1613,10 @@ async function updateFrequencyChart(term, channels, year, queryMode, toggles = {
   fuzzyToggle.addEventListener("change", () => { rememberToggleState(); runSearch(0); });
   phraseToggle.addEventListener("change", () => { rememberToggleState(); runSearch(0); });
   if (externalToggle) {
-    externalToggle.addEventListener("change", () => runSearch(0));
+    externalToggle.addEventListener("change", () => {
+      pendingChannelSelection = "";
+      loadChannels().then(() => runSearch(0));
+    });
   }
   if (queryToggle) {
     queryToggle.addEventListener("change", () => { applyQueryMode(); runSearch(0); });

static/index.html

@@ -82,7 +82,7 @@
             </div>
 
             <div class="toggle-item">
-              <input type="checkbox" id="externalToggle" checked />
+              <input type="checkbox" id="externalToggle" />
               <label for="externalToggle">External</label>
               <span class="toggle-help">Include externally referenced items.</span>
             </div>