Persist engine container names and card URLs to server settings

Previously: container names and dynamic card URL overrides only
written to localStorage — lost when accessing from a different
browser or after clearing browser data.

Now:
- engine_container_names added as persisted settings key (dict)
- All container name inputs tagged data-cn-key for loadSettings() lookup
- loadSettings() restores container names + dynamic URLs from server
- settings.js exposes _saveEngineContainerNames() and
  _saveEngineLocalUrls() globally so engines.js / ai-backends.js
  can call them on every input event
- Static cards (ai-backends.js initStaticDockerManagement): reads
  saved name from engine_container_names first, localStorage fallback
- Dynamic Docker stack cards (engines.js): same priority for both
  URL and container name; both write to server on change

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

CHANGELOG.md

@@ -9,6 +9,14 @@ Follows [Keep a Changelog](https://keepachangelog.com/en/1.0.0/) · versioned wi
 
 ### Fixed
 
+- **Engine settings lost after container recreate** — container names and
+  dynamic Docker card URL overrides were stored only in `localStorage`.
+  Added `engine_container_names` as a persisted server setting; all
+  container name inputs tagged with `data-cn-key` so `loadSettings()`
+  can restore them; dynamic card URL overrides now saved under
+  `engine_local_urls` with a `dc-` prefix. On first page load the server
+  wins over `localStorage`; changes write to both immediately.
+
 - **`ImportError: cannot import name '_AUDIO_EXTS' from 'core.audio'`** —
   `routes/stt.py` had a dead alias `from core.audio import _to_wav_16k, _AUDIO_EXTS as _VOICE_AUDIO_EXTS`;
   `_AUDIO_EXTS` lives in `core.voice`, not `core.audio`. Removed the

core/config.py

@@ -37,7 +37,8 @@ _SETTINGS_KEYS = {
     "client_voice_bindings",
     "llm_url",
     # Browser-persistent UI state
-    "engine_local_urls", "custom_engine_cards", "refine_llm_url", "conv_llm_url",
+    "engine_local_urls", "engine_container_names", "custom_engine_cards",
+    "refine_llm_url", "conv_llm_url",
 }
 
 # ── TTS stability defaults ────────────────────────────────────────────────────
@@ -203,6 +204,8 @@ def _normalize_settings(s: dict) -> dict:
         s["tts_stream_mode"] = "auto"
     if not isinstance(s.get("engine_local_urls"), dict):
         s["engine_local_urls"] = {}
+    if not isinstance(s.get("engine_container_names"), dict):
+        s["engine_container_names"] = {}
     if not isinstance(s.get("custom_engine_cards"), list):
         s["custom_engine_cards"] = []
     return s
@@ -258,6 +261,7 @@ def _load_settings() -> dict:
         "client_voice_bindings":  {},
         "llm_url":                "http://localhost:11434/v1",
         "engine_local_urls":      {},
+        "engine_container_names": {},
         "custom_engine_cards":    [],
         "refine_llm_url":         "",
         "conv_llm_url":           "",

static/js/ai-backends.js

@@ -331,18 +331,20 @@ initLlmSnippets(document);
     if (!urlInp) return;
     card.dataset.dockerInit = '1';
 
-    const key = urlInp.dataset.llmLocalKey;
+    const key    = urlInp.dataset.llmLocalKey;
+    const lsKey  = 'llm-docker-name-' + key;
 
     // ── 1. Container name row (always injected, right after URL row) ──────
     const urlRow = urlInp.closest('.llm-local-url');
-    const nameKey = 'llm-docker-name-' + key;
+    const savedName = (_appSettings?.engine_container_names?.[key])
+      || localStorage.getItem(lsKey) || '';
     const nameRow = document.createElement('div');
     nameRow.className = 'llm-local-url';
     nameRow.innerHTML =
       `<span class="llm-local-url-label" title="Docker container name — enables Stop / Start / Restart"><span class="mdi mdi-docker"></span></span>` +
-      `<input class="llm-local-url-inp" type="text" placeholder="container name (optional)" spellcheck="false">`;
+      `<input class="llm-local-url-inp" type="text" placeholder="container name (optional)" spellcheck="false" data-cn-key="${key}">`;
     const nameInp = nameRow.querySelector('input');
-    nameInp.value = localStorage.getItem(nameKey) || '';
+    nameInp.value = savedName;
     if (urlRow) urlRow.after(nameRow);
 
     // ── 2. Unified controls row ───────────────────────────────────────────
@@ -462,7 +464,8 @@ initLlmSnippets(document);
       });
     }
     nameInp.addEventListener('input', () => {
-      localStorage.setItem(nameKey, nameInp.value);
+      localStorage.setItem(lsKey, nameInp.value);
+      if (window._saveEngineContainerNames) window._saveEngineContainerNames();
       renderDockerBtns();
     });
     renderDockerBtns();

static/js/engines.js

@@ -378,14 +378,17 @@ function renderLocalContainers(containers) {
   </div>`;
 
     // Container name row — always shown so users can pre-configure even absent containers
-    const containerNameValue = isCustom ? (c.containerName || '') : (installed ? c.name : '');
+    const savedContainerName = isCustom
+      ? (c.containerName || '')
+      : ((_appSettings?.engine_container_names?.[c.name]) || (installed ? c.name : ''));
     const containerNameRowHtml = `
   <div class="llm-local-url">
     <span class="llm-local-url-label" title="Docker container name — enables Stop / Start / Restart"><span class="mdi mdi-docker"></span></span>
     <input class="llm-local-url-inp dc-container-name-inp" type="text"
       placeholder="container name (optional)" spellcheck="false"
-      value="${escHtml(containerNameValue)}"
+      value="${escHtml(savedContainerName)}"
-      data-dc-initial-running="${running}">
+      data-dc-initial-running="${running}"
+      data-cn-key="${n}">
   </div>`;
 
     // Use-as button — right-aligned, clearly labelled as the activation action
@@ -506,12 +509,16 @@ function renderLocalContainers(containers) {
       }
     }
 
-    // URL input — persist to localStorage, restore connected state on redraw
+    // URL input — server settings first, localStorage fallback; write to both on change
     grid.querySelectorAll('.dc-url-inp[data-dc-url-key]').forEach(inp => {
-      const key     = inp.dataset.dcUrlKey;
+      const key       = inp.dataset.dcUrlKey;
-      const saved   = localStorage.getItem('dc-url-' + key);
+      const fromSrv   = _appSettings?.engine_local_urls?.['dc-' + key];
-      if (saved) inp.value = saved;
+      const fromLS    = localStorage.getItem('dc-url-' + key);
-      inp.addEventListener('input', () => localStorage.setItem('dc-url-' + key, inp.value));
+      if (fromSrv || fromLS) inp.value = fromSrv || fromLS;
+      inp.addEventListener('input', () => {
+        localStorage.setItem('dc-url-' + key, inp.value);
+        if (window._saveEngineLocalUrls) window._saveEngineLocalUrls();
+      });
       if (localStorage.getItem('dc-con-' + key) === '1') {
         const card   = inp.closest('.llm-local-card');
         const btn    = card?.querySelector(`.dc-connect-btn[data-dc-url-key="${CSS.escape(key)}"]`);
@@ -648,6 +655,7 @@ function renderLocalContainers(containers) {
 
       inp.addEventListener('input', () => {
         const name = inp.value.trim();
+        if (window._saveEngineContainerNames) window._saveEngineContainerNames();
         renderDockerBtns(name); // no initial state after user edits → show all 3 buttons
         if (customId) {
           const updated = loadCustomEngineCards().map(c =>

static/js/settings.js

@@ -177,12 +177,34 @@ function _saveEngineLocalUrls() {
   clearTimeout(_engineUrlSaveTimer);
   _engineUrlSaveTimer = setTimeout(() => {
     const urls = {};
+    // Static cards (data-llm-local-key)
     document.querySelectorAll('[data-llm-local-key]').forEach(i => { if (i.value) urls[i.dataset.llmLocalKey] = i.value; });
+    // Dynamic Docker stack card URL overrides (data-dc-url-key)
+    document.querySelectorAll('.dc-url-inp[data-dc-url-key]').forEach(i => {
+      const v = i.value.trim();
+      if (v && v !== i.placeholder) urls['dc-' + i.dataset.dcUrlKey] = v;
+    });
     _patchSettings({ engine_local_urls: urls });
     if (_appSettings) _appSettings.engine_local_urls = urls;
   }, 800);
 }
 
+let _containerNameSaveTimer = null;
+function _saveEngineContainerNames() {
+  clearTimeout(_containerNameSaveTimer);
+  _containerNameSaveTimer = setTimeout(() => {
+    const names = {};
+    document.querySelectorAll('[data-cn-key]').forEach(inp => {
+      const v = inp.value.trim();
+      if (v) names[inp.dataset.cnKey] = v;
+    });
+    _patchSettings({ engine_container_names: names });
+    if (_appSettings) _appSettings.engine_container_names = names;
+  }, 800);
+}
+window._saveEngineLocalUrls      = _saveEngineLocalUrls;
+window._saveEngineContainerNames = _saveEngineContainerNames;
+
 async function loadSettings() {
   const s = await fetch('/api/settings').then(r => r.json());
   $('s-whisper-url').value           = s.whisper_url          || '';
@@ -203,6 +225,20 @@ async function loadSettings() {
     const v = savedEngineUrls[inp.dataset.llmLocalKey];
     if (v) inp.value = v;
   });
+  document.querySelectorAll('.dc-url-inp[data-dc-url-key]').forEach(inp => {
+    const v = savedEngineUrls['dc-' + inp.dataset.dcUrlKey];
+    if (v) inp.value = v;
+  });
+
+  // Restore container names from server — uses data-cn-key tags set by engines.js / ai-backends.js
+  const savedContainerNames = s.engine_container_names || {};
+  document.querySelectorAll('[data-cn-key]').forEach(inp => {
+    const name = savedContainerNames[inp.dataset.cnKey];
+    if (name && !inp.value) {
+      inp.value = name;
+      inp.dispatchEvent(new Event('input', { bubbles: true }));
+    }
+  });
 
   // Restore LLM URLs for refinement and conversation panels
   const refineInp = $('refine-llm-url');