search: integrate find/replace into search overlay, add toolbar buttons

Moves board-wide find/replace from standalone overlay into the search
panel as a toggleable replace row. Adds editor toolbar find/replace
button. Ctrl+Shift+H now opens search in replace mode.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

public/js/modules/search.js

@@ -3,6 +3,7 @@
 import { $, esc, escRe, api, fuzzyMatch, countSubstring, highlight } from './util.js';
 import { state, parseTags, tagChipHtml, getChildren } from './state.js';
 import { renderMd, stripMd } from './markdown.js';
+import { showDialog } from './dialog.js';
 
 const overlay = $('search');
 const input = $('search-input');
@@ -11,20 +12,59 @@ const footer = $('search-footer');
 const previewEmpty = $('search-preview-empty');
 const previewContent = $('search-preview-content');
 const bucketFilter = $('search-bucket-filter');
-let active = -1, hits = [];
+const replaceToggle = $('search-replace-toggle');
+const replaceRow = $('search-replace-row');
+const replaceInput = $('search-replace-input');
+const replaceStatus = $('search-replace-status');
+const replaceAllBtn = $('search-replace-all');
+let active = -1, hits = [], replaceMode = false, freshCards = null;
 
-export function openSearch() {
+export function openSearch({ replace = false } = {}) {
     window._closeTasks?.();
     input.value = '';
     results.innerHTML = '';
     footer.classList.add('hidden');
     active = -1;
     overlay.classList.add('open');
+    setReplaceMode(replace);
     input.focus();
     clearPreview();
     renderHome();
 }
 
+async function setReplaceMode(on) {
+    replaceMode = on;
+    replaceRow?.classList.toggle('hidden', !on);
+    replaceToggle?.classList.toggle('active', on);
+    if (on) {
+        replaceInput.value = '';
+        freshCards = await api('api/cards') || [];
+    } else {
+        freshCards = null;
+    }
+    updateReplaceState();
+}
+
+function updateReplaceState() {
+    if (!replaceMode || !replaceAllBtn) return;
+    const q = input.value.trim();
+    const hasRepl = replaceInput?.value.length > 0;
+    const hasMatch = hits.length > 0 && q.length > 0;
+    replaceAllBtn.disabled = !(hasMatch && hasRepl);
+    if (q && hits.length) {
+        let total = 0;
+        const nLower = q.toLowerCase();
+        for (const c of hits) {
+            const body = (c.body || '').toLowerCase();
+            let pos = 0;
+            while (true) { const i = body.indexOf(nLower, pos); if (i === -1) break; total++; pos = i + 1; }
+        }
+        replaceStatus.textContent = total ? `${total} in ${hits.length} card${hits.length !== 1 ? 's' : ''}` : '';
+    } else {
+        replaceStatus.textContent = '';
+    }
+}
+
 export function closeSearch() {
     overlay.classList.remove('open');
     if (document.activeElement && document.activeElement !== document.body) {
@@ -35,10 +75,11 @@ export function closeSearch() {
 function clearPreview() { previewEmpty.classList.remove('hidden'); previewContent.classList.add('hidden'); }
 
 function getPool() {
+    const cards = (replaceMode && freshCards) ? freshCards : state.cards;
     const bv = bucketFilter.value;
-    if (!bv) return state.cards;
-    if (bv === 'none') return state.cards.filter(c => !c.bucket_id);
-    return state.cards.filter(c => c.bucket_id == bv);
+    if (!bv) return cards;
+    if (bv === 'none') return cards.filter(c => !c.bucket_id);
+    return cards.filter(c => c.bucket_id == bv);
 }
 
 function updatePreview() {
@@ -90,7 +131,7 @@ function renderHome() {
         recent.map((c, i) => hitHtml(c, i, null)).join('');
     hits = recent; active = recent.length ? 0 : -1;
     footer.classList.remove('hidden');
-    bindHits(); updateActive(); updatePreview();
+    bindHits(); updateActive(); updatePreview(); updateReplaceState();
 }
 
 function search(query) {
@@ -115,10 +156,10 @@ function search(query) {
     // Tag-only search (no words)
     if (!words.length) {
         hits = pool; active = pool.length ? 0 : -1;
-        if (!pool.length) { results.innerHTML = `<div class="px-4 py-8 text-center"><i class="ph ph-hash text-2xl text-t-dim mb-2 block"></i><p class="text-xs text-t-dim font-pixel cursor-blink">no cards with ${tagFilters.map(t => '#' + t).join(' + ')}</p></div>`; footer.classList.add('hidden'); clearPreview(); return; }
+        if (!pool.length) { results.innerHTML = `<div class="px-4 py-8 text-center"><i class="ph ph-hash text-2xl text-t-dim mb-2 block"></i><p class="text-xs text-t-dim font-pixel cursor-blink">no cards with ${tagFilters.map(t => '#' + t).join(' + ')}</p></div>`; footer.classList.add('hidden'); clearPreview(); updateReplaceState(); return; }
         results.innerHTML = `<div class="px-4 pt-3 pb-1"><span class="font-pixel text-[9px] text-t-dim uppercase tracking-wider">${pool.length} tagged</span></div>` +
             pool.map((c, i) => hitHtml(c, i, null)).join('');
-        footer.classList.remove('hidden'); bindHits(); updateActive(); updatePreview(); return;
+        footer.classList.remove('hidden'); bindHits(); updateActive(); updatePreview(); updateReplaceState(); return;
     }
 
     const scored = pool.map(c => {
@@ -146,10 +187,10 @@ function search(query) {
     }).filter(Boolean).sort((a, b) => b.score - a.score);
 
     hits = scored.map(s => s.card); active = scored.length ? 0 : -1;
-    if (!scored.length) { results.innerHTML = `<div class="px-4 py-8 text-center"><i class="ph ph-magnifying-glass text-2xl text-t-dim mb-2 block"></i><p class="text-xs text-t-dim font-pixel cursor-blink">no results for "${esc(query)}"</p></div>`; footer.classList.add('hidden'); clearPreview(); return; }
+    if (!scored.length) { results.innerHTML = `<div class="px-4 py-8 text-center"><i class="ph ph-magnifying-glass text-2xl text-t-dim mb-2 block"></i><p class="text-xs text-t-dim font-pixel cursor-blink">no results for "${esc(query)}"</p></div>`; footer.classList.add('hidden'); clearPreview(); updateReplaceState(); return; }
     results.innerHTML = `<div class="px-4 pt-3 pb-1"><span class="font-pixel text-[9px] text-t-dim uppercase tracking-wider">${scored.length} result${scored.length > 1 ? 's' : ''}</span></div>` +
         scored.map((s, i) => hitHtml(s.card, i, words)).join('');
-    footer.classList.remove('hidden'); bindHits(); updateActive(); updatePreview();
+    footer.classList.remove('hidden'); bindHits(); updateActive(); updatePreview(); updateReplaceState();
 }
 
 function hitHtml(card, idx, words) {
@@ -251,3 +292,44 @@ input.addEventListener('keydown', e => {
 overlay.addEventListener('click', e => { if (e.target === overlay) closeSearch(); });
 $('search-btn')?.addEventListener('click', openSearch);
 $('search-close')?.addEventListener('click', closeSearch);
+replaceToggle?.addEventListener('click', () => setReplaceMode(!replaceMode));
+replaceInput?.addEventListener('input', updateReplaceState);
+
+replaceAllBtn?.addEventListener('click', async () => {
+    const needle = input.value.trim();
+    const repl = replaceInput.value;
+    if (!needle || !hits.length) return;
+    let totalOcc = 0;
+    const nLower = needle.toLowerCase();
+    for (const c of hits) {
+        let pos = 0;
+        const body = (c.body || '').toLowerCase();
+        while (true) { const i = body.indexOf(nLower, pos); if (i === -1) break; totalOcc++; pos = i + 1; }
+    }
+    const ok = await showDialog({
+        title: 'replace_all',
+        message: `Replace ${totalOcc} occurrence${totalOcc !== 1 ? 's' : ''} of "${needle}" with "${repl}" across ${hits.length} card${hits.length !== 1 ? 's' : ''}?`,
+        danger: true, okLabel: `Replace ${totalOcc}`,
+    });
+    if (!ok) return;
+    const freshCards = await api('api/cards') || [];
+    const freshMap = new Map(freshCards.map(c => [c.id, c]));
+    const escaped = needle.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
+    const re = new RegExp(escaped, 'gi');
+    let patched = 0;
+    for (const c of hits) {
+        const fresh = freshMap.get(c.id);
+        const body = fresh?.body || c.body || '';
+        const newBody = body.replace(re, repl);
+        if (newBody !== body) {
+            await api(`api/cards/${c.id}`, { method: 'PATCH', body: { body: newBody } });
+            patched++;
+        }
+    }
+    replaceStatus.textContent = `done — ${patched} card${patched !== 1 ? 's' : ''} updated`;
+    replaceStatus.style.color = 'var(--t-accent)';
+    replaceAllBtn.disabled = true;
+    await window._reloadAll();
+    search(input.value);
+    setTimeout(() => { replaceStatus.style.color = ''; }, 3000);
+});