feat(ena-planner): make preserved response tags configurable with UI validation

modules/ena-planner/ena-planner.js

@@ -32,6 +32,8 @@ function getDefaultSettings() {
 
         // Plot extraction
         plotCount: 2,
+        // Planner response tags to keep, in source order (empty = keep full response)
+        responseKeepTags: ['plot', 'note'],
 
         // Planner prompts (designer)
         promptBlocks: structuredClone(DEFAULT_PROMPT_BLOCKS),
@@ -100,6 +102,8 @@ function ensureSettings() {
         }
     }
     deepMerge(s, d);
+    if (!Array.isArray(s.responseKeepTags)) s.responseKeepTags = structuredClone(d.responseKeepTags);
+    else s.responseKeepTags = normalizeResponseKeepTags(s.responseKeepTags);
 
     // Migration: remove old keys that are no longer needed
     delete s.includeCharacterLorebooks;
@@ -114,6 +118,20 @@ function ensureSettings() {
     return s;
 }
 
+function normalizeResponseKeepTags(tags) {
+    const src = Array.isArray(tags) ? tags : [];
+    const cleaned = [];
+    for (const raw of src) {
+        const t = String(raw || '')
+            .trim()
+            .replace(/^<+|>+$/g, '')
+            .toLowerCase();
+        if (!/^[a-z][a-z0-9_-]*$/.test(t)) continue;
+        if (!cleaned.includes(t)) cleaned.push(t);
+    }
+    return cleaned;
+}
+
 async function loadConfig() {
     const loaded = await EnaPlannerStorage.get('config', null);
     config = (loaded && typeof loaded === 'object') ? loaded : getDefaultSettings();
@@ -878,10 +896,13 @@ function stripThinkBlocks(text) {
     return out.trim();
 }
 
-function extractPlotAndNoteInOrder(text) {
+function extractSelectedBlocksInOrder(text, tagNames) {
+    const names = normalizeResponseKeepTags(tagNames);
+    if (!Array.isArray(names) || names.length === 0) return '';
     const src = String(text ?? '');
     const blocks = [];
-    const re = /<(plot|note)\b[^>]*>[\s\S]*?<\/\1>/gi;
+    const escapedNames = names.map(n => n.replace(/[.*+?^${}()|[\]\\]/g, '\\$&'));
+    const re = new RegExp(`<(${escapedNames.join('|')})\\b[^>]*>[\\s\\S]*?<\\/\\1>`, 'gi');
     let m;
     while ((m = re.exec(src)) !== null) {
         blocks.push(m[0]);
@@ -891,8 +912,9 @@ function extractPlotAndNoteInOrder(text) {
 
 function filterPlannerForInput(rawFull) {
     const noThink = stripThinkBlocks(rawFull);
-    const onlyPN = extractPlotAndNoteInOrder(noThink);
-    if (onlyPN) return onlyPN;
+    const tags = ensureSettings().responseKeepTags;
+    const selected = extractSelectedBlocksInOrder(noThink, tags);
+    if (selected) return selected;
     return noThink;
 }