llm: drop model/agent scope matching; add instance-wide compaction model picker

Remove the scope system end-to-end (llm_models.scope column, agent meta
scope field, scope-based tier in model selection, UI checkboxes/pills):
it was only a soft ranking hint, had drifted (6 UI scopes vs 3 used by
agents, 'general' not even selectable) and duplicated what strength
already decides. Strength stays the single AUTO-selection axis.

Compaction: the summary model is now pickable from the Settings page
via a new PropertyType::LlmModel config property (registry key
compaction_model), instance-wide and live (no restart). Fallback chain:
explicit pick -> compaction.strength from config.yml -> priority order;
a deleted configured model degrades to AUTO. ContextCompactor reads the
key at compact time through GlobalConfigManager.

web/components/agents.js

@@ -111,10 +111,6 @@ export class AgentsPage extends LightElement {
     `;
   }
 
-  _scopePill(scope) {
-    return html`<span class="agent-scope-pill">${scope}</span>`;
-  }
-
   // ── List view ─────────────────────────────────────────────────────────────
 
   _renderCard(agent) {
@@ -137,7 +133,6 @@ export class AgentsPage extends LightElement {
                   <span>${this._strengthLabel(agent.strength)}</span>
                 </span>
               ` : ''}
-              ${agent.scope ? html`${this._scopePill(agent.scope)}` : ''}
               ${agent.client ? html`
                 <span class="agent-meta-item text-muted" style="font-size:0.75rem">
                   <i class="bi bi-pin-fill me-1" style="font-size:0.65rem"></i>${agent.client}
@@ -189,9 +184,6 @@ export class AgentsPage extends LightElement {
           ${m.is_default ? html`<span class="badge bg-primary ms-1" style="font-size:0.6rem">${t('agents.detail.default')}</span>` : ''}
         </td>
         <td class="text-muted agent-model-id">${m.model_id}</td>
-        <td>
-          ${(m.scope ?? []).map(s => this._scopePill(s))}
-        </td>
       </tr>
     `;
   }
@@ -235,9 +227,6 @@ export class AgentsPage extends LightElement {
                     </td>
                   </tr>
                 ` : ''}
-                ${meta.scope ? html`
-                  <tr><td class="agent-meta-key">${t('agents.detail.scope')}</td><td>${this._scopePill(meta.scope)}</td></tr>
-                ` : ''}
                 ${meta.client ? html`
                   <tr><td class="agent-meta-key">${t('agents.detail.pinned_model')}</td><td><code>${meta.client}</code></td></tr>
                 ` : ''}
@@ -266,7 +255,6 @@ export class AgentsPage extends LightElement {
                         <th>${t('agents.table.strength')}</th>
                         <th>${t('agents.table.name')}</th>
                         <th>${t('agents.table.model_id')}</th>
-                        <th>${t('agents.table.scope')}</th>
                       </tr>
                     </thead>
                     <tbody>

web/components/config-page.js

@@ -11,6 +11,7 @@ function _configSetSlug(name) {
   const slugs = {
     'Interface': 'interface',
     'TIC Agent': 'tic_agent',
+    'Compaction': 'compaction',
   };
   return slugs[name] ?? null;
 }
@@ -193,6 +194,20 @@ export class ConfigPage extends LightElement {
         </select>`;
     }
 
+    if (prop.property_type === 'llm_model') {
+      // Configured LLM models, by name. Nullable: the empty choice means
+      // "auto-select" (the backend's own resolution order applies).
+      const models = prop.options ?? [];
+      return html`
+        <select class="form-select form-select-sm config-input"
+                .value=${val}
+                @change=${e => this._setValue(prop.key, e.target.value)}>
+          <option value="">— ${t('config.llm_model.auto')} —</option>
+          ${models.map(m => html`
+            <option value=${m.id} ?selected=${val === m.id}>${m.name}</option>`)}
+        </select>`;
+    }
+
     return html`
       <input type="text"
              class="form-control form-control-sm config-input"

web/components/models-llm.js

@@ -20,12 +20,11 @@ const STRENGTH_LABELS = {
 };
 
 const STRENGTH_OPTIONS = ['very_low', 'low', 'average', 'high', 'very_high'];
-const SCOPE_OPTIONS    = ['coding', 'writing', 'reasoning', 'math', 'basic', 'search'];
 
 function emptyMeta() {
   // `reasoning` is the selected reasoning value: a string for a ValueSet mode,
   // a number for a Range mode, or null (off). Interpreted per provider.
-  return { strength: '', scope: [], priority: 100, is_default: false, reasoning: null };
+  return { strength: '', priority: 100, is_default: false, reasoning: null };
 }
 
 function emptyOrForm() {
@@ -139,7 +138,6 @@ export class ModelsLlmSection extends LightElement {
             model_id:          m.model_id,
             name:              m.name,
             strength:          m.strength ?? null,
-            scope:             m.scope,
             is_default:        m.is_default,
             priority:          (i + 1) * 10,
             extra_params:      m.extra_params ?? null,
@@ -208,7 +206,6 @@ export class ModelsLlmSection extends LightElement {
       const record = await res.json();
       this._form = {
         strength:          record.strength ?? '',
-        scope:             record.scope ?? [],
         priority:          record.priority,
         is_default:        record.is_default,
         provider_id:       record.provider_id,
@@ -269,7 +266,6 @@ export class ModelsLlmSection extends LightElement {
           model_id:     f.model_id,
           name:         f.name || f.model_id,
           strength:     f.strength || null,
-          scope:        f.scope,
           is_default:   f.is_default,
           priority:     Number(f.priority),
           extra_params,
@@ -310,7 +306,6 @@ export class ModelsLlmSection extends LightElement {
           model_id:          f.model_id,
           name:              f.name || f.model_id,
           strength:          f.strength || null,
-          scope:             f.scope,
           is_default:        f.is_default,
           priority:          Number(f.priority),
           extra_params:      Object.keys(extra_params).length ? extra_params : null,
@@ -355,7 +350,6 @@ export class ModelsLlmSection extends LightElement {
           model_id:     f.model_id,
           name:         f.name,
           strength:     f.strength || null,
-          scope:        f.scope,
           is_default:   f.is_default,
           priority:     Number(f.priority),
           extra_params,
@@ -399,16 +393,6 @@ export class ModelsLlmSection extends LightElement {
     this._orForm = { ...this._orForm, [field]: value };
   }
 
-  _toggleScope(scope, isOr = false) {
-    if (isOr) {
-      const s = this._orForm.scope;
-      this._orForm = { ...this._orForm, scope: s.includes(scope) ? s.filter(x => x !== scope) : [...s, scope] };
-    } else {
-      const s = this._form.scope;
-      this._form = { ...this._form, scope: s.includes(scope) ? s.filter(x => x !== scope) : [...s, scope] };
-    }
-  }
-
   _closeModal() { this._modal = null; this._error = null; }
 
   // ── Render helpers ───────────────────────────────────────────────────────────
@@ -487,10 +471,9 @@ export class ModelsLlmSection extends LightElement {
           ${this._renderPriceCell(m)}
         </div>
 
-        ${(m.scope ?? []).length > 0 || m.extra_params ? html`
+        ${m.extra_params ? html`
           <div class="llm-card-row3">
-            ${(m.scope ?? []).map(s => html`<span class="llm-scope-pill">${s}</span>`)}
-            ${m.extra_params ? html`<span class="llm-scope-pill llm-params-pill" title=${JSON.stringify(m.extra_params)}>+${t('models.extra_params').toLowerCase()}</span>` : ''}
+            <span class="llm-scope-pill llm-params-pill" title=${JSON.stringify(m.extra_params)}>+${t('models.extra_params').toLowerCase()}</span>
           </div>
         ` : ''}
       </div>
@@ -540,7 +523,7 @@ export class ModelsLlmSection extends LightElement {
       </div>`;
   }
 
-  _renderMetaFields(form, setField, toggleScope, reasoningMode) {
+  _renderMetaFields(form, setField, reasoningMode) {
     return html`
       ${this._renderReasoning(form, setField, reasoningMode)}
       <div class="row g-3 mb-3">
@@ -561,19 +544,6 @@ export class ModelsLlmSection extends LightElement {
         </div>
       </div>
 
-      <div class="mb-3">
-        <label class="form-label fw-semibold" style="font-size:0.82rem">${t('models.scope')}</label>
-        <div class="llm-scope-grid">
-          ${SCOPE_OPTIONS.map(s => html`
-            <div class="form-check">
-              <input class="form-check-input" type="checkbox" id="scope-${s}"
-                .checked=${form.scope.includes(s)} @change=${() => toggleScope(s)} />
-              <label class="form-check-label" for="scope-${s}" style="font-size:0.82rem">${s}</label>
-            </div>
-          `)}
-        </div>
-      </div>
-
       <div class="mb-3">
         <div class="form-check">
           <input class="form-check-input" type="checkbox" id="m-is-default"
@@ -644,7 +614,7 @@ export class ModelsLlmSection extends LightElement {
                 @input=${(e) => this._setField('extra_params', e.target.value)}
                 style="font-size:0.78rem;resize:vertical"></textarea>
             </div>
-            ${this._renderMetaFields(f, (k, v) => this._setField(k, v), (s) => this._toggleScope(s), this._reasoningMode)}
+            ${this._renderMetaFields(f, (k, v) => this._setField(k, v), this._reasoningMode)}
             <div class="agent-dialog-actions">
               <button type="button" class="btn btn-sm btn-secondary" @click=${() => this._closeModal()}>${t('models.cancel')}</button>
               <button type="submit" class="btn btn-sm btn-primary" ?disabled=${this._saving}>
@@ -738,7 +708,7 @@ export class ModelsLlmSection extends LightElement {
               </div>
             ` : ''}
 
-            ${this._renderMetaFields(f, (k, v) => this._setOrField(k, v), (s) => this._toggleScope(s, true), selected?.reasoning)}
+            ${this._renderMetaFields(f, (k, v) => this._setOrField(k, v), selected?.reasoning)}
 
             <div class="agent-dialog-actions">
               <button type="button" class="btn btn-sm btn-secondary" @click=${() => this._closeModal()}>${t('models.cancel')}</button>
@@ -776,7 +746,7 @@ export class ModelsLlmSection extends LightElement {
                 @input=${(e) => this._setField('name', e.target.value)} />
               <div class="form-text" style="font-size:0.75rem">${unsafeHTML(t('models.name_help'))}</div>
             </div>
-            ${this._renderMetaFields(f, (k, v) => this._setField(k, v), (s) => this._toggleScope(s), this._modal.reasoning_mode)}
+            ${this._renderMetaFields(f, (k, v) => this._setField(k, v), this._modal.reasoning_mode)}
             <div class="agent-dialog-actions">
               <button type="button" class="btn btn-sm btn-secondary" @click=${() => this._closeModal()}>${t('models.cancel')}</button>
               <button type="submit" class="btn btn-sm btn-primary" ?disabled=${this._saving}>

web/css/agents.css

@@ -145,16 +145,6 @@ agents-page {
   flex-shrink: 0;
 }
 
-.agent-scope-pill {
-  display: inline-block;
-  font-size: 0.7rem;
-  padding: 0.1rem 0.45rem;
-  border-radius: 999px;
-  background: var(--bs-secondary-bg);
-  color: var(--bs-secondary-color);
-  border: 1px solid var(--bs-border-color);
-}
-
 /* ── Detail view ─────────────────────────────────────────────────────────── */
 
 .agent-detail {

web/css/models-llm.css

@@ -356,14 +356,6 @@
   max-width: 680px;
 }
 
-/* ── Scope checkbox grid ── */
-
-.llm-scope-grid {
-  display: grid;
-  grid-template-columns: repeat(3, 1fr);
-  gap: 0.35rem 1rem;
-}
-
 /* ── Provider picker grid ── */
 
 .llm-provider-grid {

web/i18n/en.js

@@ -177,11 +177,14 @@ export default {
   'config.error_save':'Error saving "{name}": {msg}',
   'config.enabled':  'Enabled',
   'config.disabled': 'Disabled',
+  'config.llm_model.auto': 'auto',
 
   'config.set.interface.name':     'Interface',
   'config.set.interface.desc':     'Look and feel of the web interface.',
   'config.set.tic_agent.name':     'TIC Agent',
   'config.set.tic_agent.desc':     'TIC is a background agent that monitors all async events generated by connected MCP servers (new emails, calendar updates, WhatsApp messages, etc.). It reads your notification rules from data/notifications.md and your memory to decide — via an LLM call — which events are worth surfacing. Relevant notifications are forwarded to the home agent set via /sethome.',
+  'config.set.compaction.name':    'Compaction',
+  'config.set.compaction.desc':    'When a conversation grows too large, older messages are summarised by an LLM to keep the context within limits.',
 
   'config.prop.ui_locale.name':             'Language',
   'config.prop.ui_locale.desc':             'Default interface language for the whole instance. Each user can override it on their profile.',
@@ -191,6 +194,8 @@ export default {
   'config.prop.tic__security_group.desc':   'Tool permission group applied to each TIC agent session. Leave empty to use the default group.',
   'config.prop.tic__interval_minutes.name': 'Check Interval (minutes)',
   'config.prop.tic__interval_minutes.desc': 'How often TIC runs, in minutes. Leave empty to use the value from config.yml (tic.interval_secs).',
+  'config.prop.compaction_model.name':      'Compaction model',
+  'config.prop.compaction_model.desc':      'Model used to summarise compacted conversations, for the whole instance. A cheap model is usually enough. Leave empty for automatic selection.',
 
   // ── Projects ────────────────────────────────────────────────────────────────
   'projects.title':                 'Projects',
@@ -444,7 +449,6 @@ export default {
   'models.reasoning.thinking': 'Reasoning (thinking)',
   'models.strength':           'Strength',
   'models.priority':           'Priority',
-  'models.scope':              'Scope',
   'models.default_model':      'Default model',
   'models.extra_params':       'Extra params',
   'models.extra_params_hint':  '(JSON, optional)',
@@ -743,7 +747,6 @@ export default {
   'agents.detail.meta':        'Metadata',
   'agents.detail.id':          'ID',
   'agents.detail.strength':    'Strength',
-  'agents.detail.scope':       'Scope',
   'agents.detail.pinned_model': 'Pinned model',
   'agents.detail.memory_files': 'Memory files',
   'agents.detail.model_order':  'Model resolution order',
@@ -756,7 +759,6 @@ export default {
   'agents.table.strength':     'Strength',
   'agents.table.name':         'Name',
   'agents.table.model_id':     'Model ID',
-  'agents.table.scope':        'Scope',
 
   'agents.banner.title':       '<strong>Read-only view.</strong> Agents are defined by files in <code>agents/</code> — to add, remove, or modify an agent, edit the corresponding <code>AGENT.md</code> file in that directory.',
   'agents.banner.text':        'You can also ask <strong>Copilot</strong> (top bar) to create a new agent for you — just describe what it should do and it will set up all the files automatically.',

web/i18n/fr.js

@@ -177,11 +177,14 @@ export default {
   'config.error_save':'Erreur lors de l\'enregistrement de "{name}" : {msg}',
   'config.enabled':  'Activé',
   'config.disabled': 'Désactivé',
+  'config.llm_model.auto': 'auto',
 
   'config.set.interface.name':     'Interface',
   'config.set.interface.desc':     'Aspect et style de l\'interface web.',
   'config.set.tic_agent.name':     'Agent TIC',
   'config.set.tic_agent.desc':     'TIC est un agent d\'arrière-plan qui surveille tous les événements asynchrones générés par les serveurs MCP connectés (nouveaux e-mails, mises à jour du calendrier, messages WhatsApp, etc.). Il lit vos règles de notification dans data/notifications.md et votre mémoire pour décider — via un appel LLM — quels événements méritent d\'être signalés. Les notifications pertinentes sont transmises à l\'agent d\'accueil défini via /sethome.',
+  'config.set.compaction.name':    'Compaction',
+  'config.set.compaction.desc':    'Lorsqu\'une conversation devient trop longue, les messages les plus anciens sont résumés par un LLM pour garder le contexte dans les limites.',
 
   'config.prop.ui_locale.name':             'Langue',
   'config.prop.ui_locale.desc':             'Langue d\'interface par défaut pour l\'ensemble de l\'instance. Chaque utilisateur peut la modifier dans son profil.',
@@ -191,6 +194,8 @@ export default {
   'config.prop.tic__security_group.desc':   'Groupe de permissions d\'outils appliqué à chaque session de l\'agent TIC. Laissez vide pour utiliser le groupe par défaut.',
   'config.prop.tic__interval_minutes.name': 'Intervalle de vérification (minutes)',
   'config.prop.tic__interval_minutes.desc': 'Fréquence d\'exécution de TIC, en minutes. Laissez vide pour utiliser la valeur de config.yml (tic.interval_secs).',
+  'config.prop.compaction_model.name':      'Modèle de compaction',
+  'config.prop.compaction_model.desc':      'Modèle utilisé pour résumer les conversations compactées, pour toute l\'instance. Un modèle économique suffit généralement. Laissez vide pour une sélection automatique.',
 
   // ── Projects ────────────────────────────────────────────────────────────────
   'projects.title':                 'Projets',
@@ -444,7 +449,6 @@ export default {
   'models.reasoning.thinking': 'Raisonnement (réflexion)',
   'models.strength':           'Puissance',
   'models.priority':           'Priorité',
-  'models.scope':              'Portée',
   'models.default_model':      'Modèle par défaut',
   'models.extra_params':       'Paramètres supplémentaires',
   'models.extra_params_hint':  '(JSON, facultatif)',
@@ -743,7 +747,6 @@ export default {
   'agents.detail.meta':        'Métadonnées',
   'agents.detail.id':          'ID',
   'agents.detail.strength':    'Puissance',
-  'agents.detail.scope':       'Portée',
   'agents.detail.pinned_model': 'Modèle épinglé',
   'agents.detail.memory_files': 'Fichiers mémoire',
   'agents.detail.model_order':  'Ordre de résolution des modèles',
@@ -756,7 +759,6 @@ export default {
   'agents.table.strength':     'Puissance',
   'agents.table.name':         'Nom',
   'agents.table.model_id':     'ID du modèle',
-  'agents.table.scope':        'Portée',
 
   'agents.banner.title':       '<strong>Vue en lecture seule.</strong> Les agents sont définis par des fichiers dans <code>agents/</code> — pour ajouter, supprimer ou modifier un agent, modifiez le fichier <code>AGENT.md</code> correspondant dans ce répertoire.',
   'agents.banner.text':        'Vous pouvez aussi demander au <strong>Copilot</strong> (barre supérieure) de créer un nouvel agent pour vous — décrivez simplement ce qu\'il doit faire et il configurera tous les fichiers automatiquement.',

web/i18n/it.js

@@ -201,11 +201,14 @@ export default {
   'config.error_save':'Errore durante il salvataggio di "{name}": {msg}',
   'config.enabled':  'Attivato',
   'config.disabled': 'Disattivato',
+  'config.llm_model.auto': 'automatico',
 
   'config.set.interface.name':     'Interfaccia',
   'config.set.interface.desc':     'Aspetto e stile dell\'interfaccia web.',
   'config.set.tic_agent.name':     'Agente TIC',
   'config.set.tic_agent.desc':     'TIC è un agente in background che monitora tutti gli eventi asincroni generati dai server MCP connessi (nuove email, aggiornamenti del calendario, messaggi WhatsApp, ecc.). Legge le regole di notifica da data/notifications.md e la memoria per decidere — tramite una chiamata LLM — quali eventi vale la pena segnalare. Le notifiche rilevanti vengono inoltrate all\'agente predefinito impostato tramite /sethome.',
+  'config.set.compaction.name':    'Compattazione',
+  'config.set.compaction.desc':    'Quando una conversazione diventa troppo lunga, i messaggi più vecchi vengono riassunti da un LLM per mantenere il contesto entro i limiti.',
 
   'config.prop.ui_locale.name':             'Lingua',
   'config.prop.ui_locale.desc':             'Lingua predefinita per l\'intera istanza. Ogni utente può modificarla nel proprio profilo.',
@@ -215,6 +218,8 @@ export default {
   'config.prop.tic__security_group.desc':   'Gruppo di permessi strumenti applicato a ogni sessione dell\'agente TIC. Lascia vuoto per usare il gruppo predefinito.',
   'config.prop.tic__interval_minutes.name': 'Intervallo di controllo (minuti)',
   'config.prop.tic__interval_minutes.desc': 'Ogni quanto TIC viene eseguito, in minuti. Lascia vuoto per usare il valore da config.yml (tic.interval_secs).',
+  'config.prop.compaction_model.name':      'Modello per la compattazione',
+  'config.prop.compaction_model.desc':      'Modello usato per riassumere le conversazioni compattate, per tutta l\'istanza. Un modello economico di solito è sufficiente. Lascia vuoto per la selezione automatica.',
 
   // ── Projects ────────────────────────────────────────────────────────────────
   'projects.title':                 'Progetti',
@@ -444,7 +449,6 @@ export default {
   'models.reasoning.thinking': 'Ragionamento (thinking)',
   'models.strength':           'Forza',
   'models.priority':           'Priorità',
-  'models.scope':              'Ambito',
   'models.default_model':      'Modello predefinito',
   'models.extra_params':       'Parametri extra',
   'models.extra_params_hint':  '(JSON, opzionale)',
@@ -743,7 +747,6 @@ export default {
   'agents.detail.meta':        'Metadati',
   'agents.detail.id':          'ID',
   'agents.detail.strength':    'Forza',
-  'agents.detail.scope':       'Ambito',
   'agents.detail.pinned_model': 'Modello fissato',
   'agents.detail.memory_files': 'File di memoria',
   'agents.detail.model_order':  'Ordine di risoluzione modelli',
@@ -756,7 +759,6 @@ export default {
   'agents.table.strength':     'Forza',
   'agents.table.name':         'Nome',
   'agents.table.model_id':     'ID modello',
-  'agents.table.scope':        'Ambito',
 
   'agents.banner.title':       '<strong>Vista sola lettura.</strong> Gli agenti sono definiti da file in <code>agents/</code> — per aggiungere, rimuovere o modificare un agente, modifica il corrispondente file <code>AGENT.md</code> in quella directory.',
   'agents.banner.text':        'Puoi anche chiedere a <strong>Copilot</strong> (barra superiore) di creare un nuovo agente per te — descrivi cosa dovrebbe fare e configurerà automaticamente tutti i file necessari.',