diff --git a/internal/loki/backend_presets.go b/internal/loki/backend_presets.go
index 6c76c5b..ee15ac1 100644
--- a/internal/loki/backend_presets.go
+++ b/internal/loki/backend_presets.go
@@ -113,7 +113,69 @@ func ListPresets() ([]Preset, error) {
 		})
 	}
 	sort.Slice(out, func(i, j int) bool { return out[i].Name < out[j].Name })
-	return out, nil
+	return applyPresetOrder(out), nil
+}
+
+// presetOrderKey : ordre d'affichage choisi par glisser-déposer dans l'UI
+// (repris d'AJEAN v0.10.9), une liste d'IDs persistée en base.
+const presetOrderKey = "preset_order"
+
+func loadPresetOrder() []string {
+	var ids []string
+	getJSON(bkState, presetOrderKey, &ids)
+	return ids
+}
+
+func savePresetOrder(ids []string) error { return putJSON(bkState, presetOrderKey, ids) }
+
+// applyPresetOrder réordonne `list` (déjà trié par nom) selon l'ordre stocké :
+// d'abord les presets classés dans l'ordre choisi, puis les non classés
+// (fraîchement créés) dans leur ordre alphabétique. Tri STABLE.
+func applyPresetOrder(list []Preset) []Preset {
+	order := loadPresetOrder()
+	if len(order) == 0 {
+		return list
+	}
+	pos := map[string]int{}
+	for i, id := range order {
+		pos[id] = i
+	}
+	sort.SliceStable(list, func(i, j int) bool {
+		pi, oki := pos[list[i].ID]
+		pj, okj := pos[list[j].ID]
+		if oki && okj {
+			return pi < pj
+		}
+		if oki != okj {
+			return oki // un preset classé passe avant un non classé
+		}
+		return false // deux non classés : l'ordre alphabétique reste
+	})
+	return list
+}
+
+// presetCtx : la taille de contexte d'un preset, formatée pour la pastille de
+// la liste (« 32K », « 128K », « 1M »). CTX absent = 32768, le défaut de serve.
+func presetCtx(content string) string {
+	raw := strings.TrimSpace(parseEnv(content)["CTX"])
+	if raw == "" {
+		raw = "32768"
+	}
+	n, err := strconv.Atoi(raw)
+	if err != nil || n <= 0 {
+		return ""
+	}
+	// Multiple de 1024 (32768, 131072…) : écrit comme on le pense, « 32K »,
+	// « 128K » ; sinon décimal, comme on le tape (40000 → « 40K »).
+	switch {
+	case n >= 1024 && n%1024 == 0 && n < 1<<20:
+		return strconv.Itoa(n/1024) + "K"
+	case n >= 1000000:
+		return strings.TrimSuffix(strconv.FormatFloat(float64(n)/1000000, 'f', 1, 64), ".0") + "M"
+	case n >= 1000:
+		return strconv.Itoa((n+500)/1000) + "K"
+	}
+	return strconv.Itoa(n)
 }
 
 // uniquePresetID derives a unique filename id from a display name, appending
diff --git a/internal/loki/backend_presets_order_test.go b/internal/loki/backend_presets_order_test.go
new file mode 100644
index 0000000..050c592
--- /dev/null
+++ b/internal/loki/backend_presets_order_test.go
@@ -0,0 +1,60 @@
+package loki
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+)
+
+// Ordre choisi par glisser-déposer : les presets classés d'abord, dans cet
+// ordre ; les nouveaux (non classés) ensuite, par nom.
+func TestPresetOrder(t *testing.T) {
+	testHome(t)
+	_ = os.MkdirAll(presetsDir(), 0o755)
+	for _, id := range []string{"alpha", "bravo", "charlie", "delta"} {
+		if err := os.WriteFile(filepath.Join(presetsDir(), id+".env"), []byte("# NAME="+id+"\nCTX=4096\n"), 0o644); err != nil {
+			t.Fatal(err)
+		}
+	}
+	ids := func() []string {
+		list, err := ListPresets()
+		if err != nil {
+			t.Fatal(err)
+		}
+		var out []string
+		for _, p := range list {
+			out = append(out, p.ID)
+		}
+		return out
+	}
+	if got := ids(); got[0] != "alpha" || got[3] != "delta" {
+		t.Fatalf("sans ordre enregistré, tri par nom attendu : %v", got)
+	}
+	if err := savePresetOrder([]string{"charlie", "alpha"}); err != nil {
+		t.Fatal(err)
+	}
+	want := []string{"charlie", "alpha", "bravo", "delta"}
+	got := ids()
+	for i := range want {
+		if got[i] != want[i] {
+			t.Fatalf("ordre %v, attendu %v", got, want)
+		}
+	}
+}
+
+func TestPresetCtx(t *testing.T) {
+	cases := map[string]string{
+		"":                 "32K", // défaut de serve : 32768
+		"CTX=40000\n":      "40K",
+		"CTX=\"131072\"\n": "128K",
+		"CTX=1000000\n":    "1M",
+		"CTX=1500000\n":    "1.5M",
+		"CTX=512\n":        "512",
+		"CTX=abc\n":        "",
+	}
+	for in, want := range cases {
+		if got := presetCtx(in); got != want {
+			t.Errorf("presetCtx(%q) = %q, attendu %q", in, got, want)
+		}
+	}
+}
diff --git a/internal/loki/ui/index.html b/internal/loki/ui/index.html
index ada3851..abb3b27 100644
--- a/internal/loki/ui/index.html
+++ b/internal/loki/ui/index.html
@@ -205,7 +205,7 @@ option,optgroup{background:var(--panel);color:var(--text)}
 /* Desktop : menu plus large et bulles (badges) un peu plus grosses. */
 @media (min-width:721px){
   .side{width:380px}
-  .preset-meta .qtag,.preset-meta .rtag,.preset-meta .btag,.preset-meta .xtag{font-size:11px;padding:2px 9px;border-radius:4px}
+  .preset-meta .qtag,.preset-meta .rtag,.preset-meta .btag,.preset-meta .xtag,.preset-meta .ctag,.preset-meta .captag{font-size:11px;padding:2px 9px;border-radius:4px}
   .preset-meta .qtag svg,.preset-meta .rtag svg,.preset-meta .btag svg,.preset-meta .xtag svg{width:11px;height:11px}
 }
 h1{margin:0;font-size:18px;color:var(--accent)}
@@ -301,6 +301,9 @@ h1{margin:0;font-size:18px;color:var(--accent)}
    (étiquette comprise), plus sur la carte seule. */
 .gated-group{margin:0 0 10px;transition:opacity .15s}
 .gated-group.gated{opacity:.4;pointer-events:none;filter:grayscale(.4)}
+/* L'aide « ? » reste survolable sur un réglage grisé : c'est justement là qu'on
+   veut savoir à quoi il sert (repris d'AJEAN, #104). */
+.gated-group.gated .help{pointer-events:auto}
 .switch{position:relative;display:inline-block;width:36px;height:20px;flex:none}
 .switch input{position:absolute;opacity:0;width:0;height:0}
 /* Piste décochée : un gris franc (pas --border), sinon le pavé blanc ne se
@@ -398,6 +401,17 @@ button:disabled{opacity:.5;cursor:not-allowed}
 .preset-meta{display:flex;align-items:center;gap:6px;margin-top:3px;flex-wrap:wrap}
 .qtag{flex-shrink:0;font-size:9px;padding:1px 6px;border:1px solid var(--border);color:var(--dim);border-radius:4px;letter-spacing:.03em;text-transform:uppercase}
 .rtag{flex-shrink:0;display:inline-flex;align-items:center;gap:3px;font-size:9px;padding:1px 6px;border:1px solid var(--border);color:var(--dim);border-radius:4px;letter-spacing:.03em}
+.ctag{flex-shrink:0;display:inline-flex;align-items:center;gap:3px;font-size:9px;padding:1px 6px;border:1px solid var(--border);color:var(--dim);border-radius:4px;letter-spacing:.03em}
+/* Pastille « capacités » (repris d'AJEAN) : vision (œil) et raisonnement
+   (ampoule + niveau). Icônes en em : la bulle a la hauteur des autres tags. */
+.captag{flex-shrink:0;display:inline-flex;align-items:center;gap:4px;font-size:9px;padding:1px 6px;border:1px solid var(--border);color:var(--dim);border-radius:4px;letter-spacing:.03em}
+.captag::before{content:"\200b";margin-right:-4px}
+.captag svg{display:block;width:1.3em;height:1.3em}
+/* Réordonnancement des presets (SortableJS) : clone plein qui suit le curseur,
+   emplacement cible discret. */
+.preset-drag{cursor:grabbing;background:var(--row-bg-on);border:none;border-radius:6px;box-shadow:0 6px 18px rgba(0,0,0,.35);outline:none;opacity:1!important}
+.preset-ghost{opacity:.35}
+.preset-chosen{cursor:grabbing}
 /* Preset externe : le seul tag qui prend la couleur d'accent. Il ne décrit pas
    un réglage mais une DESTINATION — la réponse part sur internet, pas sur la
    carte graphique d'à côté, et ça mérite de se voir du premier coup d'œil.
@@ -3446,6 +3460,11 @@ html[data-files="1"] #files-btn{color:var(--accent)}
               <span class="pe-row-l">Vision<span class="pe-sub">projecteur mmproj</span></span>
               <span class="pe-row-c"><span class="pe-selc"><select id="m-mmproj" onchange="onPickMmproj()"></select></span></span>
             </div>
+            <!-- Repris d'AJEAN v0.10.3 : n'apparaît qu'avec un projecteur choisi. -->
+            <div class="pe-row" id="s-mmproj-cpu-row" style="display:none">
+              <span class="pe-row-l">Projecteur vision sur le CPU<span class="pe-sub">garde le mmproj hors du GPU — libère de la VRAM, images lues plus lentement (--no-mmproj-offload)</span></span>
+              <span class="pe-row-c"><label class="pe-switch"><input type="checkbox" id="s-mmproj-cpu" onchange="eaToggleFlag('--no-mmproj-offload', this.checked)"><span class="pe-sl"></span></label></span>
+            </div>
             <!-- Recherche Hugging Face. Le champ « lien direct » juste en dessous
                  reste là : c'est le mode expert (dépôt privé, fichier exotique,
                  lien reçu d'ailleurs). Celui-ci évite d'avoir à quitter Loki, et
@@ -3726,6 +3745,18 @@ html[data-files="1"] #files-btn{color:var(--accent)}
         </div>
       </div>
 
+      <!-- Prompt système DE CE preset (repris d'AJEAN v0.13.0) : il bascule avec
+           le preset. Rangé en base (sysprompt:<id>), pas dans le .env qui ne
+           porte qu'une ligne par clé. Vide = le prompt global s'applique. -->
+      <div id="m-sys-row" class="pe-group" style="display:none">
+        <div class="pe-gh">Prompt système</div>
+        <div class="pe-list">
+          <div class="pe-row stack">
+            <textarea id="m-sysprompt" class="pe-inp" rows="4" spellcheck="false" placeholder="(optionnel) consigne propre à ce preset — vide = prompt système général"></textarea>
+          </div>
+        </div>
+      </div>
+
       <div id="m-raw" class="pe-group">
         <div class="pe-gh" id="m-raw-head">Configuration</div>
         <div class="pe-list">
@@ -3842,7 +3873,8 @@ async function loadSys(){
     if(d && d.ok){ document.getElementById('sysprompt').value = d.text || ''; localStorage.setItem('loki.sys', d.text || ''); }
   }catch(e){}
 }
-// ===== Apparence =============================================================
+/*! Sortable 1.15.6 - MIT | git://github.com/SortableJS/Sortable.git */
+!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define(e):(t=t||self).Sortable=e()}(this,function(){"use strict";function e(e,t){var n,o=Object.keys(e);return Object.getOwnPropertySymbols&&(n=Object.getOwnPropertySymbols(e),t&&(n=n.filter(function(t){return Object.getOwnPropertyDescriptor(e,t).enumerable})),o.push.apply(o,n)),o}function I(o){for(var t=1;t<arguments.length;t++){var i=null!=arguments[t]?arguments[t]:{};t%2?e(Object(i),!0).forEach(function(t){var e,n;e=o,t=i[n=t],n in e?Object.defineProperty(e,n,{value:t,enumerable:!0,configurable:!0,writable:!0}):e[n]=t}):Object.getOwnPropertyDescriptors?Object.defineProperties(o,Object.getOwnPropertyDescriptors(i)):e(Object(i)).forEach(function(t){Object.defineProperty(o,t,Object.getOwnPropertyDescriptor(i,t))})}return o}function o(t){return(o="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t})(t)}function a(){return(a=Object.assign||function(t){for(var e=1;e<arguments.length;e++){var n,o=arguments[e];for(n in o)Object.prototype.hasOwnProperty.call(o,n)&&(t[n]=o[n])}return t}).apply(this,arguments)}function i(t,e){if(null==t)return{};var n,o=function(t,e){if(null==t)return{};for(var n,o={},i=Object.keys(t),r=0;r<i.length;r++)n=i[r],0<=e.indexOf(n)||(o[n]=t[n]);return o}(t,e);if(Object.getOwnPropertySymbols)for(var i=Object.getOwnPropertySymbols(t),r=0;r<i.length;r++)n=i[r],0<=e.indexOf(n)||Object.prototype.propertyIsEnumerable.call(t,n)&&(o[n]=t[n]);return o}function r(t){return function(t){if(Array.isArray(t))return l(t)}(t)||function(t){if("undefined"!=typeof Symbol&&null!=t[Symbol.iterator]||null!=t["@@iterator"])return Array.from(t)}(t)||function(t,e){if(t){if("string"==typeof t)return l(t,e);var n=Object.prototype.toString.call(t).slice(8,-1);return"Map"===(n="Object"===n&&t.constructor?t.constructor.name:n)||"Set"===n?Array.from(t):"Arguments"===n||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)?l(t,e):void 0}}(t)||function(){throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}()}function l(t,e){(null==e||e>t.length)&&(e=t.length);for(var n=0,o=new Array(e);n<e;n++)o[n]=t[n];return o}function t(t){if("undefined"!=typeof window&&window.navigator)return!!navigator.userAgent.match(t)}var y=t(/(?:Trident.*rv[ :]?11\.|msie|iemobile|Windows Phone)/i),w=t(/Edge/i),s=t(/firefox/i),u=t(/safari/i)&&!t(/chrome/i)&&!t(/android/i),c=t(/iP(ad|od|hone)/i),n=t(/chrome/i)&&t(/android/i),d={capture:!1,passive:!1};function h(t,e,n){t.addEventListener(e,n,!y&&d)}function p(t,e,n){t.removeEventListener(e,n,!y&&d)}function f(t,e){if(e&&(">"===e[0]&&(e=e.substring(1)),t))try{if(t.matches)return t.matches(e);if(t.msMatchesSelector)return t.msMatchesSelector(e);if(t.webkitMatchesSelector)return t.webkitMatchesSelector(e)}catch(t){return}}function g(t){return t.host&&t!==document&&t.host.nodeType?t.host:t.parentNode}function P(t,e,n,o){if(t){n=n||document;do{if(null!=e&&(">"!==e[0]||t.parentNode===n)&&f(t,e)||o&&t===n)return t}while(t!==n&&(t=g(t)))}return null}var m,v=/\s+/g;function k(t,e,n){var o;t&&e&&(t.classList?t.classList[n?"add":"remove"](e):(o=(" "+t.className+" ").replace(v," ").replace(" "+e+" "," "),t.className=(o+(n?" 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n=0;n<de.length;n++)he.push(C(de[n])),he[n].sortableIndex=de[n].sortableIndex,he[n].draggable=!1,he[n].style["will-change"]="",k(he[n],this.options.selectedClass,!1),de[n]===se&&k(he[n],this.options.chosenClass,!1);e._hideClone(),t()}},clone:function(t){var e=t.sortable,n=t.rootEl,o=t.dispatchSortableEvent,t=t.cancel;this.isMultiDrag&&(this.options.removeCloneOnHide||de.length&&le===e&&(me(!0,n),o("clone"),t()))},showClone:function(t){var e=t.cloneNowShown,n=t.rootEl,t=t.cancel;this.isMultiDrag&&(me(!1,n),he.forEach(function(t){R(t,"display","")}),e(),ue=!1,t())},hideClone:function(t){var e=this,n=(t.sortable,t.cloneNowHidden),t=t.cancel;this.isMultiDrag&&(he.forEach(function(t){R(t,"display","none"),e.options.removeCloneOnHide&&t.parentNode&&t.parentNode.removeChild(t)}),n(),ue=!0,t())},dragStartGlobal:function(t){t.sortable;!this.isMultiDrag&&le&&le.multiDrag._deselectMultiDrag(),de.forEach(function(t){t.sortableIndex=j(t)}),de=de.sort(function(t,e){return t.sortableIndex-e.sortableIndex}),ge=!0},dragStarted:function(t){var e,n=this,t=t.sortable;this.isMultiDrag&&(this.options.sort&&(t.captureAnimationState(),this.options.animation&&(de.forEach(function(t){t!==se&&R(t,"position","absolute")}),e=X(se,!1,!0,!0),de.forEach(function(t){t!==se&&T(t,e)}),pe=fe=!0)),t.animateAll(function(){pe=fe=!1,n.options.animation&&de.forEach(function(t){x(t)}),n.options.sort&&ve()}))},dragOver:function(t){var e=t.target,n=t.completed,t=t.cancel;fe&&~de.indexOf(e)&&(n(!1),t())},revert:function(t){var n,o,e=t.fromSortable,i=t.rootEl,r=t.sortable,a=t.dragRect;1<de.length&&(de.forEach(function(t){r.addAnimationState({target:t,rect:fe?X(t):a}),x(t),t.fromRect=a,e.removeAnimationState(t)}),fe=!1,n=!this.options.removeCloneOnHide,o=i,de.forEach(function(t,e){e=o.children[t.sortableIndex+(n?Number(e):0)];e?o.insertBefore(t,e):o.appendChild(t)}))},dragOverCompleted:function(t){var e,n=t.sortable,o=t.isOwner,i=t.insertion,r=t.activeSortable,a=t.parentEl,l=t.putSortable,t=this.options;i&&(o&&r._hideClone(),pe=!1,t.animation&&1<de.length&&(fe||!o&&!r.options.sort&&!l)&&(e=X(se,!1,!0,!0),de.forEach(function(t){t!==se&&(T(t,e),a.appendChild(t))}),fe=!0),o||(fe||ve(),1<de.length?(o=ue,r._showClone(n),r.options.animation&&!ue&&o&&he.forEach(function(t){r.addAnimationState({target:t,rect:ce}),t.fromRect=ce,t.thisAnimationDuration=null})):r._showClone(n)))},dragOverAnimationCapture:function(t){var e=t.dragRect,n=t.isOwner,t=t.activeSortable;de.forEach(function(t){t.thisAnimationDuration=null}),t.options.animation&&!n&&t.multiDrag.isMultiDrag&&(ce=a({},e),e=b(se,!0),ce.top-=e.f,ce.left-=e.e)},dragOverAnimationComplete:function(){fe&&(fe=!1,ve())},drop:function(t){var o,i,r,a,n,e,l,s=t.originalEvent,c=t.rootEl,u=t.parentEl,d=t.sortable,h=t.dispatchSortableEvent,p=t.oldIndex,t=t.putSortable,f=t||this.sortable;s&&(o=this.options,i=u.children,ge||(o.multiDragKey&&!this.multiDragKeyDown&&this._deselectMultiDrag(),k(se,o.selectedClass,!~de.indexOf(se)),~de.indexOf(se)?(de.splice(de.indexOf(se),1),ae=null,G({sortable:d,rootEl:c,name:"deselect",targetEl:se,originalEvent:s})):(de.push(se),G({sortable:d,rootEl:c,name:"select",targetEl:se,originalEvent:s}),s.shiftKey&&ae&&d.el.contains(ae)?(r=j(ae),a=j(se),~r&&~a&&r!==a&&function(){for(var e,t=r<a?(e=r,a):(e=a,r+1),n=o.filter;e<t;e++)~de.indexOf(i[e])||P(i[e],o.draggable,u,!1)&&(n&&("function"==typeof n?n.call(d,s,i[e],d):n.split(",").some(function(t){return P(i[e],t.trim(),u,!1)}))||(k(i[e],o.selectedClass,!0),de.push(i[e]),G({sortable:d,rootEl:c,name:"select",targetEl:i[e],originalEvent:s})))}()):ae=se,le=f)),ge&&this.isMultiDrag&&(fe=!1,(u[K].options.sort||u!==c)&&1<de.length&&(n=X(se),e=j(se,":not(."+this.options.selectedClass+")"),!pe&&o.animation&&(se.thisAnimationDuration=null),f.captureAnimationState(),pe||(o.animation&&(se.fromRect=n,de.forEach(function(t){var e;t.thisAnimationDuration=null,t!==se&&(e=fe?X(t):n,t.fromRect=e,f.addAnimationState({target:t,rect:e}))})),ve(),de.forEach(function(t){i[e]?u.insertBefore(t,i[e]):u.appendChild(t),e++}),p===j(se)&&(l=!1,de.forEach(function(t){t.sortableIndex!==j(t)&&(l=!0)}),l&&(h("update"),h("sort")))),de.forEach(function(t){x(t)}),f.animateAll()),le=f),(c===u||t&&"clone"!==t.lastPutMode)&&he.forEach(function(t){t.parentNode&&t.parentNode.removeChild(t)}))},nullingGlobal:function(){this.isMultiDrag=ge=!1,he.length=0},destroyGlobal:function(){this._deselectMultiDrag(),p(document,"pointerup",this._deselectMultiDrag),p(document,"mouseup",this._deselectMultiDrag),p(document,"touchend",this._deselectMultiDrag),p(document,"keydown",this._checkKeyDown),p(document,"keyup",this._checkKeyUp)},_deselectMultiDrag:function(t){if(!(void 0!==ge&&ge||le!==this.sortable||t&&P(t.target,this.options.draggable,this.sortable.el,!1)||t&&0!==t.button))for(;de.length;){var e=de[0];k(e,this.options.selectedClass,!1),de.shift(),G({sortable:this.sortable,rootEl:this.sortable.el,name:"deselect",targetEl:e,originalEvent:t})}},_checkKeyDown:function(t){t.key===this.options.multiDragKey&&(this.multiDragKeyDown=!0)},_checkKeyUp:function(t){t.key===this.options.multiDragKey&&(this.multiDragKeyDown=!1)}},a(t,{pluginName:"multiDrag",utils:{select:function(t){var e=t.parentNode[K];e&&e.options.multiDrag&&!~de.indexOf(t)&&(le&&le!==e&&(le.multiDrag._deselectMultiDrag(),le=e),k(t,e.options.selectedClass,!0),de.push(t))},deselect:function(t){var e=t.parentNode[K],n=de.indexOf(t);e&&e.options.multiDrag&&~n&&(k(t,e.options.selectedClass,!1),de.splice(n,1))}},eventProperties:function(){var n=this,o=[],i=[];return de.forEach(function(t){var e;o.push({multiDragElement:t,index:t.sortableIndex}),e=fe&&t!==se?-1:fe?j(t,":not(."+n.options.selectedClass+")"):j(t),i.push({multiDragElement:t,index:e})}),{items:r(de),clones:[].concat(he),oldIndicies:o,newIndicies:i}},optionListeners:{multiDragKey:function(t){return"ctrl"===(t=t.toLowerCase())?t="Control":1<t.length&&(t=t.charAt(0).toUpperCase()+t.substr(1)),t}}})}),jt});// ===== Apparence =============================================================
 // Un seul thème, en deux variantes : claire (par défaut) et sombre. La variante
 // est portée par l'attribut data-theme de <html> ('' ou 'dark') ; tout le reste
 // est du CSS (voir la section « Palette »). Persistée dans localStorage pour
@@ -4587,7 +4619,9 @@ async function loadPresets(){
     const row=document.createElement('div');
     const pend = !x.active && pendingPreset===i+1;
     row.className='preset'+(x.active?' active':'')+(pend?' pending':'')+(moved?' sel-anim':'');
-    row.onclick=()=>switchTo(i+1, x.name, x.id);
+    row.dataset.id = x.id;
+    // Fin d'un glisser-déposer : le clic qui le termine ne bascule pas le preset.
+    row.onclick=()=>{ if(presetJustDragged) return; switchTo(i+1, x.name, x.id); };
     const info=document.createElement('div'); info.className='preset-info';
     const nm=document.createElement('div'); nm.className='preset-name';
     // Puce de l'actif : un ÉLÉMENT rond en CSS, pas le caractère « ● ». Le glyphe
@@ -4615,12 +4649,27 @@ async function loadPresets(){
       q.textContent=x.quant; q.title='quantization';
       meta.appendChild(q);
     }
-    if(x.reasoning){
-      const rt=document.createElement('span'); rt.className='rtag';
-      rt.title='raisonnement actif ('+x.reasoning+')';
-      rt.innerHTML='<svg viewBox="0 0 24 24" width="10" height="10" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M9 18h6"/><path d="M10 22h4"/><path d="M12 2a7 7 0 0 0-4 12.7c.6.5 1 1.3 1 2.1V18h6v-1.2c0-.8.4-1.6 1-2.1A7 7 0 0 0 12 2z"/></svg>';
-      rt.appendChild(document.createTextNode(x.reasoning));
-      meta.appendChild(rt);
+    if(x.ctx && !x.external){
+      const c=document.createElement('span'); c.className='ctag';
+      c.title='taille de contexte'; c.textContent=x.ctx;
+      meta.appendChild(c);
+    }
+    // Pastille « capacités » (repris d'AJEAN) : vision (œil) et raisonnement
+    // (ampoule + niveau), regroupés en un seul tag.
+    if(x.vision || x.reasoning){
+      const cap=document.createElement('span'); cap.className='captag';
+      const tip=[];
+      if(x.vision){
+        cap.insertAdjacentHTML('beforeend','<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M1 12s4-8 11-8 11 8 11 8-4 8-11 8-11-8-11-8z"/><circle cx="12" cy="12" r="3"/></svg>');
+        tip.push('lit les images');
+      }
+      if(x.reasoning){
+        cap.insertAdjacentHTML('beforeend','<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M9 18h6"/><path d="M10 21h4"/><path d="M12 3a6 6 0 0 0-4 10.5c.6.6 1 1.4 1 2.5h6c0-1.1.4-1.9 1-2.5A6 6 0 0 0 12 3z"/></svg>');
+        cap.appendChild(document.createTextNode(x.reasoning));
+        tip.push('raisonnement actif ('+x.reasoning+')');
+      }
+      cap.title=tip.join(' · ');
+      meta.appendChild(cap);
     }
     if(x.bench){
       const bt=document.createElement('span'); bt.className='btag';
@@ -4645,6 +4694,40 @@ async function loadPresets(){
     row.appendChild(info); row.appendChild(edit);
     cont.appendChild(row);
   });
+  initPresetSortable(cont);
+}
+// ─── Réordonnancement des presets (SortableJS, repris d'AJEAN) ───────────────
+// La ligne entière se déplace, sans poignée. L'ordre est gardé côté serveur
+// (/api/presets/order) : il vaut aussi pour le sélecteur de l'en-tête.
+let presetJustDragged = false;
+let presetSortable = null;
+function initPresetSortable(cont){
+  if(typeof Sortable==='undefined') return; // lib absente : la liste reste simple
+  if(presetSortable) return;                 // une instance, sur le conteneur qui persiste
+  presetSortable = Sortable.create(cont, {
+    animation: 160,
+    easing: 'cubic-bezier(.2,.7,.3,1)',
+    // Clone géré par Sortable (et non l'image native, semi-transparente), posé
+    // sur <body> : dans la modale (ancêtre transformé), il apparaissait loin
+    // du curseur.
+    forceFallback: true,
+    fallbackTolerance: 3,
+    fallbackOnBody: true,
+    // Sur mobile, il faut MAINTENIR l'appui : un simple défilement attrapait un preset.
+    delay: 220,
+    delayOnTouchOnly: true,
+    touchStartThreshold: 6,
+    ghostClass: 'preset-ghost',
+    chosenClass: 'preset-chosen',
+    dragClass: 'preset-drag',
+    onStart(){ presetJustDragged = true; },
+    onEnd(){
+      setTimeout(()=>{ presetJustDragged = false; }, 60);
+      const ids=[...cont.children].map(r=>r.dataset.id).filter(Boolean);
+      // Re-rendu une fois l'ordre persisté : les positions (pendingPreset) suivent.
+      jpost('/api/presets/order', {ids}).then(()=>loadPresets()).catch(()=>{});
+    },
+  });
 }
 // « Mode agent » = accès machine + skills réunis en un seul interrupteur.
 // Quand il est actif, un « a » blanc apparaît en fondu devant « loki » → « loki ».
@@ -5313,6 +5396,10 @@ async function openItem(kind, key){
   const modelRow = document.getElementById('m-model-row');
   const settingsRow = document.getElementById('m-settings-row');
   const samplingRow = document.getElementById('m-sampling-row');
+  const sysRow = document.getElementById('m-sys-row');
+  if(sysRow) sysRow.style.display = kind === 'preset' ? '' : 'none';
+  const sysTa = document.getElementById('m-sysprompt');
+  if(sysTa) sysTa.value = '';
   const rawHead = document.getElementById('m-raw-head');
   const rawToggle = document.getElementById('m-raw-toggle');
   const rawBody = document.getElementById('m-raw-body');
@@ -5371,6 +5458,7 @@ async function openItem(kind, key){
   document.getElementById('m-name').value = display;
   document.getElementById('m-content').value = d.content || '';
   if(kind === 'preset'){
+    if(sysTa) sysTa.value = d.sysprompt || '';
     // Ces deux-là LISENT le contenu : elles doivent passer après son arrivée.
     document.getElementById('m-quant').value = currentQuantInTextarea();
     populateSettings();
@@ -5452,6 +5540,10 @@ async function populateModelPicker(){
   // regroupe par dossier, celui de loki d'abord (l'API les renvoie dans cet ordre).
   const groups = [];
   for(const m of (list||[])){
+    // Projecteurs vision : ils ont leur propre sélecteur (Vision) et ne se
+    // lancent pas comme modèle (repris d'AJEAN v0.16.2). Gardé seulement s'il
+    // est DÉJÀ le MODEL du preset, pour ne pas masquer une erreur de saisie.
+    if(isMmprojName(m.name) && m !== hit) continue;
     let g = groups.find(x => x.dir === m.dir);
     if(!g){ g = {dir: m.dir, home: m.home, items: []}; groups.push(g); }
     g.items.push(m);
@@ -5787,6 +5879,21 @@ function onPickMmproj(){
   // et on centralise le choix dans la clé MMPROJ.
   eaSetValued('--mmproj', '');
   cfgWriteKey('MMPROJ', document.getElementById('m-mmproj').value);
+  syncMmprojCpuRow();
+}
+// « Projecteur sur le CPU » n'a de sens qu'avec un mmproj chargé : la ligne est
+// masquée sans vision. Source de vérité = la config, pas le select (rempli
+// APRÈS cette synchro à l'ouverture du preset). Sans projecteur, le drapeau
+// resté dans EXTRA_ARGS est retiré.
+function syncMmprojCpuRow(){
+  const row = document.getElementById('s-mmproj-cpu-row');
+  if(!row) return;
+  const on = !!currentMmprojInTextarea();
+  row.style.display = on ? '' : 'none';
+  if(!on && eaHasFlag('--no-mmproj-offload')){
+    eaToggleFlag('--no-mmproj-offload', false);
+    const c = document.getElementById('s-mmproj-cpu'); if(c) c.checked = false;
+  }
 }
 // Un projecteur multimodal se reconnaît à « mmproj » dans son nom : c'est la
 // convention de nommage universelle (llama.cpp, HF). On ne liste que ceux-là —
@@ -6242,6 +6349,8 @@ function populateSettings(){
     }
   }
   chk('s-flash', eaHasFlag('--flash-attn') && !/^off$/i.test(eaGetValued('--flash-attn')));
+  chk('s-mmproj-cpu', eaHasFlag('--no-mmproj-offload'));
+  syncMmprojCpuRow();
   const lm = eaLoadMode();
   set('s-loadmode', lm);
   syncLoadModeSub(lm);
@@ -6576,7 +6685,7 @@ async function saveItem(){
   // Presets: keyed by id (filename); duplicate display names are allowed.
   // Skills: keyed by name, rename via `old`.
   const payload = editingKind==='preset'
-    ? {id: editingKey, name, content}
+    ? {id: editingKey, name, content, sysprompt: (document.getElementById('m-sysprompt')||{}).value || ''}
     : {name, old: editingKey, content};
   const r = await jpost(K.saveUrl, payload);
   if(!r.ok){ toast('erreur : ' + (r.error||'')); return; }
@@ -10670,7 +10779,8 @@ function renderModelSwitch(presets, active){
 async function loadModelSwitchFiles(){
   try{
     const r = await jget('/api/models');
-    MS_FILES = Array.isArray(r) ? r : [];
+    // Projecteurs vision exclus : choisis comme modèle, le moteur ne démarre pas.
+    MS_FILES = (Array.isArray(r) ? r : []).filter(m => !/mmproj/i.test(String(m.name||'')));
   }catch(_){ return; }
   paintModelSwitch();
 }
diff --git a/internal/loki/ui/src/index.tmpl.html b/internal/loki/ui/src/index.tmpl.html
index 8c73f55..59fb1f4 100644
--- a/internal/loki/ui/src/index.tmpl.html
+++ b/internal/loki/ui/src/index.tmpl.html
@@ -1189,6 +1189,11 @@ document.documentElement.setAttribute('data-side',localStorage.getItem('loki-sid
               <span class="pe-row-l">Vision<span class="pe-sub">projecteur mmproj</span></span>
               <span class="pe-row-c"><span class="pe-selc"><select id="m-mmproj" onchange="onPickMmproj()"></select></span></span>
             </div>
+            <!-- Repris d'AJEAN v0.10.3 : n'apparaît qu'avec un projecteur choisi. -->
+            <div class="pe-row" id="s-mmproj-cpu-row" style="display:none">
+              <span class="pe-row-l">Projecteur vision sur le CPU<span class="pe-sub">garde le mmproj hors du GPU — libère de la VRAM, images lues plus lentement (--no-mmproj-offload)</span></span>
+              <span class="pe-row-c"><label class="pe-switch"><input type="checkbox" id="s-mmproj-cpu" onchange="eaToggleFlag('--no-mmproj-offload', this.checked)"><span class="pe-sl"></span></label></span>
+            </div>
             <!-- Recherche Hugging Face. Le champ « lien direct » juste en dessous
                  reste là : c'est le mode expert (dépôt privé, fichier exotique,
                  lien reçu d'ailleurs). Celui-ci évite d'avoir à quitter Loki, et
@@ -1469,6 +1474,18 @@ document.documentElement.setAttribute('data-side',localStorage.getItem('loki-sid
         </div>
       </div>
 
+      <!-- Prompt système DE CE preset (repris d'AJEAN v0.13.0) : il bascule avec
+           le preset. Rangé en base (sysprompt:<id>), pas dans le .env qui ne
+           porte qu'une ligne par clé. Vide = le prompt global s'applique. -->
+      <div id="m-sys-row" class="pe-group" style="display:none">
+        <div class="pe-gh">Prompt système</div>
+        <div class="pe-list">
+          <div class="pe-row stack">
+            <textarea id="m-sysprompt" class="pe-inp" rows="4" spellcheck="false" placeholder="(optionnel) consigne propre à ce preset — vide = prompt système général"></textarea>
+          </div>
+        </div>
+      </div>
+
       <div id="m-raw" class="pe-group">
         <div class="pe-gh" id="m-raw-head">Configuration</div>
         <div class="pe-list">
diff --git a/internal/loki/ui/src/js/00-sortable.min.js b/internal/loki/ui/src/js/00-sortable.min.js
new file mode 100644
index 0000000..95423a6
--- /dev/null
+++ b/internal/loki/ui/src/js/00-sortable.min.js
@@ -0,0 +1,2 @@
+/*! Sortable 1.15.6 - MIT | git://github.com/SortableJS/Sortable.git */
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e=this.el,n=this.options;rt=j(Z),lt=j(Z,n.draggable),U("drop",this,{evt:t}),$=Z&&Z.parentNode,rt=j(Z),lt=j(Z,n.draggable),jt.eventCanceled||(_t=Ct=Dt=!1,clearInterval(this._loopId),clearTimeout(this._dragStartTimer),zt(this.cloneId),zt(this._dragStartId),this.nativeDraggable&&(p(document,"drop",this),p(e,"dragstart",this._onDragStart)),this._offMoveEvents(),this._offUpEvents(),u&&R(document.body,"user-select",""),R(Z,"transform",""),t&&(mt&&(t.cancelable&&t.preventDefault(),n.dropBubble||t.stopPropagation()),Q&&Q.parentNode&&Q.parentNode.removeChild(Q),(J===$||ct&&"clone"!==ct.lastPutMode)&&nt&&nt.parentNode&&nt.parentNode.removeChild(nt),Z&&(this.nativeDraggable&&p(Z,"dragend",this),Lt(Z),Z.style["will-change"]="",mt&&!Dt&&k(Z,(ct||this).options.ghostClass,!1),k(Z,this.options.chosenClass,!1),V({sortable:this,name:"unchoose",toEl:$,newIndex:null,newDraggableIndex:null,originalEvent:t}),J!==$?(0<=rt&&(V({rootEl:$,name:"add",toEl:$,fromEl:J,originalEvent:t}),V({sortable:this,name:"remove",toEl:$,originalEvent:t}),V({rootEl:$,name:"sort",toEl:$,fromEl:J,originalEvent:t}),V({sortable:this,name:"sort",toEl:$,originalEvent:t})),ct&&ct.save()):rt!==it&&0<=rt&&(V({sortable:this,name:"update",toEl:$,originalEvent:t}),V({sortable:this,name:"sort",toEl:$,originalEvent:t})),jt.active&&(null!=rt&&-1!==rt||(rt=it,lt=at),V({sortable:this,name:"end",toEl:$,originalEvent:t}),this.save())))),this._nulling()},_nulling:function(){U("nulling",this),J=Z=$=Q=tt=nt=et=ot=ut=dt=mt=rt=lt=it=at=vt=bt=ct=st=jt.dragged=jt.ghost=jt.clone=jt.active=null,Ot.forEach(function(t){t.checked=!0}),Ot.length=ht=pt=0},handleEvent:function(t){switch(t.type){case"drop":case"dragend":this._onDrop(t);break;case"dragenter":case"dragover":Z&&(this._onDragOver(t),function(t){t.dataTransfer&&(t.dataTransfer.dropEffect="move");t.cancelable&&t.preventDefault()}(t));break;case"selectstart":t.preventDefault()}},toArray:function(){for(var 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d=0,h=Gt;do{var p=h,f=X(p),g=f.top,m=f.bottom,v=f.left,b=f.right,y=f.width,w=f.height,D=void 0,E=void 0,S=p.scrollWidth,_=p.scrollHeight,C=R(p),T=p.scrollLeft,f=p.scrollTop,E=p===c?(D=y<S&&("auto"===C.overflowX||"scroll"===C.overflowX||"visible"===C.overflowX),w<_&&("auto"===C.overflowY||"scroll"===C.overflowY||"visible"===C.overflowY)):(D=y<S&&("auto"===C.overflowX||"scroll"===C.overflowX),w<_&&("auto"===C.overflowY||"scroll"===C.overflowY)),T=D&&(Math.abs(b-r)<=l&&T+y<S)-(Math.abs(v-r)<=l&&!!T),f=E&&(Math.abs(m-a)<=l&&f+w<_)-(Math.abs(g-a)<=l&&!!f);if(!Qt[d])for(var x=0;x<=d;x++)Qt[x]||(Qt[x]={});Qt[d].vx==T&&Qt[d].vy==f&&Qt[d].el===p||(Qt[d].el=p,Qt[d].vx=T,Qt[d].vy=f,clearInterval(Qt[d].pid),0==T&&0==f||(u=!0,Qt[d].pid=setInterval(function(){o&&0===this.layer&&jt.active._onTouchMove(Zt);var t=Qt[this.layer].vy?Qt[this.layer].vy*s:0,e=Qt[this.layer].vx?Qt[this.layer].vx*s:0;"function"==typeof i&&"continue"!==i.call(jt.dragged.parentNode[K],e,t,n,Zt,Qt[this.layer].el)||H(Qt[this.layer].el,e,t)}.bind({layer:d}),24))),d++}while(t.bubbleScroll&&h!==c&&(h=M(h,!1)));Jt=u}},30),n=function(t){var e=t.originalEvent,n=t.putSortable,o=t.dragEl,i=t.activeSortable,r=t.dispatchSortableEvent,a=t.hideGhostForTarget,t=t.unhideGhostForTarget;e&&(i=n||i,a(),e=e.changedTouches&&e.changedTouches.length?e.changedTouches[0]:e,e=document.elementFromPoint(e.clientX,e.clientY),t(),i&&!i.el.contains(e)&&(r("spill"),this.onSpill({dragEl:o,putSortable:n})))};function ie(){}function re(){}ie.prototype={startIndex:null,dragStart:function(t){t=t.oldDraggableIndex;this.startIndex=t},onSpill:function(t){var e=t.dragEl,n=t.putSortable;this.sortable.captureAnimationState(),n&&n.captureAnimationState();t=B(this.sortable.el,this.startIndex,this.options);t?this.sortable.el.insertBefore(e,t):this.sortable.el.appendChild(e),this.sortable.animateAll(),n&&n.animateAll()},drop:n},a(ie,{pluginName:"revertOnSpill"}),re.prototype={onSpill:function(t){var e=t.dragEl,t=t.putSortable||this.sortable;t.captureAnimationState(),e.parentNode&&e.parentNode.removeChild(e),t.animateAll()},drop:n},a(re,{pluginName:"removeOnSpill"});var ae,le,se,ce,ue,de=[],he=[],pe=!1,fe=!1,ge=!1;function me(n,o){he.forEach(function(t,e){e=o.children[t.sortableIndex+(n?Number(e):0)];e?o.insertBefore(t,e):o.appendChild(t)})}function ve(){de.forEach(function(t){t!==se&&t.parentNode&&t.parentNode.removeChild(t)})}return jt.mount(new function(){function t(){for(var t in this.defaults={scroll:!0,forceAutoScrollFallback:!1,scrollSensitivity:30,scrollSpeed:10,bubbleScroll:!0},this)"_"===t.charAt(0)&&"function"==typeof this[t]&&(this[t]=this[t].bind(this))}return t.prototype={dragStarted:function(t){t=t.originalEvent;this.sortable.nativeDraggable?h(document,"dragover",this._handleAutoScroll):this.options.supportPointer?h(document,"pointermove",this._handleFallbackAutoScroll):t.touches?h(document,"touchmove",this._handleFallbackAutoScroll):h(document,"mousemove",this._handleFallbackAutoScroll)},dragOverCompleted:function(t){t=t.originalEvent;this.options.dragOverBubble||t.rootEl||this._handleAutoScroll(t)},drop:function(){this.sortable.nativeDraggable?p(document,"dragover",this._handleAutoScroll):(p(document,"pointermove",this._handleFallbackAutoScroll),p(document,"touchmove",this._handleFallbackAutoScroll),p(document,"mousemove",this._handleFallbackAutoScroll)),ee(),te(),clearTimeout(m),m=void 0},nulling:function(){Zt=Ut=Gt=Jt=$t=qt=Vt=null,Qt.length=0},_handleFallbackAutoScroll:function(t){this._handleAutoScroll(t,!0)},_handleAutoScroll:function(e,n){var o,i=this,r=(e.touches?e.touches[0]:e).clientX,a=(e.touches?e.touches[0]:e).clientY,t=document.elementFromPoint(r,a);Zt=e,n||this.options.forceAutoScrollFallback||w||y||u?(oe(e,this.options,t,n),o=M(t,!0),!Jt||$t&&r===qt&&a===Vt||($t&&ee(),$t=setInterval(function(){var t=M(document.elementFromPoint(r,a),!0);t!==o&&(o=t,te()),oe(e,i.options,t,n)},10),qt=r,Vt=a)):this.options.bubbleScroll&&M(t,!0)!==O()?oe(e,this.options,M(t,!1),!1):te()}},a(t,{pluginName:"scroll",initializeByDefault:!0})}),jt.mount(re,ie),jt.mount(new function(){function t(){this.defaults={swapClass:"sortable-swap-highlight"}}return t.prototype={dragStart:function(t){t=t.dragEl;ne=t},dragOverValid:function(t){var e=t.completed,n=t.target,o=t.onMove,i=t.activeSortable,r=t.changed,a=t.cancel;i.options.swap&&(t=this.sortable.el,i=this.options,n&&n!==t&&(t=ne,ne=!1!==o(n)?(k(n,i.swapClass,!0),n):null,t&&t!==ne&&k(t,i.swapClass,!1)),r(),e(!0),a())},drop:function(t){var e,n,o=t.activeSortable,i=t.putSortable,r=t.dragEl,a=i||this.sortable,l=this.options;ne&&k(ne,l.swapClass,!1),ne&&(l.swap||i&&i.options.swap)&&r!==ne&&(a.captureAnimationState(),a!==o&&o.captureAnimationState(),n=ne,t=(e=r).parentNode,l=n.parentNode,t&&l&&!t.isEqualNode(n)&&!l.isEqualNode(e)&&(i=j(e),r=j(n),t.isEqualNode(l)&&i<r&&r++,t.insertBefore(n,t.children[i]),l.insertBefore(e,l.children[r])),a.animateAll(),a!==o&&o.animateAll())},nulling:function(){ne=null}},a(t,{pluginName:"swap",eventProperties:function(){return{swapItem:ne}}})}),jt.mount(new function(){function t(o){for(var t in this)"_"===t.charAt(0)&&"function"==typeof this[t]&&(this[t]=this[t].bind(this));o.options.avoidImplicitDeselect||(o.options.supportPointer?h(document,"pointerup",this._deselectMultiDrag):(h(document,"mouseup",this._deselectMultiDrag),h(document,"touchend",this._deselectMultiDrag))),h(document,"keydown",this._checkKeyDown),h(document,"keyup",this._checkKeyUp),this.defaults={selectedClass:"sortable-selected",multiDragKey:null,avoidImplicitDeselect:!1,setData:function(t,e){var n="";de.length&&le===o?de.forEach(function(t,e){n+=(e?", ":"")+t.textContent}):n=e.textContent,t.setData("Text",n)}}}return t.prototype={multiDragKeyDown:!1,isMultiDrag:!1,delayStartGlobal:function(t){t=t.dragEl;se=t},delayEnded:function(){this.isMultiDrag=~de.indexOf(se)},setupClone:function(t){var e=t.sortable,t=t.cancel;if(this.isMultiDrag){for(var n=0;n<de.length;n++)he.push(C(de[n])),he[n].sortableIndex=de[n].sortableIndex,he[n].draggable=!1,he[n].style["will-change"]="",k(he[n],this.options.selectedClass,!1),de[n]===se&&k(he[n],this.options.chosenClass,!1);e._hideClone(),t()}},clone:function(t){var e=t.sortable,n=t.rootEl,o=t.dispatchSortableEvent,t=t.cancel;this.isMultiDrag&&(this.options.removeCloneOnHide||de.length&&le===e&&(me(!0,n),o("clone"),t()))},showClone:function(t){var e=t.cloneNowShown,n=t.rootEl,t=t.cancel;this.isMultiDrag&&(me(!1,n),he.forEach(function(t){R(t,"display","")}),e(),ue=!1,t())},hideClone:function(t){var e=this,n=(t.sortable,t.cloneNowHidden),t=t.cancel;this.isMultiDrag&&(he.forEach(function(t){R(t,"display","none"),e.options.removeCloneOnHide&&t.parentNode&&t.parentNode.removeChild(t)}),n(),ue=!0,t())},dragStartGlobal:function(t){t.sortable;!this.isMultiDrag&&le&&le.multiDrag._deselectMultiDrag(),de.forEach(function(t){t.sortableIndex=j(t)}),de=de.sort(function(t,e){return t.sortableIndex-e.sortableIndex}),ge=!0},dragStarted:function(t){var e,n=this,t=t.sortable;this.isMultiDrag&&(this.options.sort&&(t.captureAnimationState(),this.options.animation&&(de.forEach(function(t){t!==se&&R(t,"position","absolute")}),e=X(se,!1,!0,!0),de.forEach(function(t){t!==se&&T(t,e)}),pe=fe=!0)),t.animateAll(function(){pe=fe=!1,n.options.animation&&de.forEach(function(t){x(t)}),n.options.sort&&ve()}))},dragOver:function(t){var e=t.target,n=t.completed,t=t.cancel;fe&&~de.indexOf(e)&&(n(!1),t())},revert:function(t){var n,o,e=t.fromSortable,i=t.rootEl,r=t.sortable,a=t.dragRect;1<de.length&&(de.forEach(function(t){r.addAnimationState({target:t,rect:fe?X(t):a}),x(t),t.fromRect=a,e.removeAnimationState(t)}),fe=!1,n=!this.options.removeCloneOnHide,o=i,de.forEach(function(t,e){e=o.children[t.sortableIndex+(n?Number(e):0)];e?o.insertBefore(t,e):o.appendChild(t)}))},dragOverCompleted:function(t){var e,n=t.sortable,o=t.isOwner,i=t.insertion,r=t.activeSortable,a=t.parentEl,l=t.putSortable,t=this.options;i&&(o&&r._hideClone(),pe=!1,t.animation&&1<de.length&&(fe||!o&&!r.options.sort&&!l)&&(e=X(se,!1,!0,!0),de.forEach(function(t){t!==se&&(T(t,e),a.appendChild(t))}),fe=!0),o||(fe||ve(),1<de.length?(o=ue,r._showClone(n),r.options.animation&&!ue&&o&&he.forEach(function(t){r.addAnimationState({target:t,rect:ce}),t.fromRect=ce,t.thisAnimationDuration=null})):r._showClone(n)))},dragOverAnimationCapture:function(t){var e=t.dragRect,n=t.isOwner,t=t.activeSortable;de.forEach(function(t){t.thisAnimationDuration=null}),t.options.animation&&!n&&t.multiDrag.isMultiDrag&&(ce=a({},e),e=b(se,!0),ce.top-=e.f,ce.left-=e.e)},dragOverAnimationComplete:function(){fe&&(fe=!1,ve())},drop:function(t){var o,i,r,a,n,e,l,s=t.originalEvent,c=t.rootEl,u=t.parentEl,d=t.sortable,h=t.dispatchSortableEvent,p=t.oldIndex,t=t.putSortable,f=t||this.sortable;s&&(o=this.options,i=u.children,ge||(o.multiDragKey&&!this.multiDragKeyDown&&this._deselectMultiDrag(),k(se,o.selectedClass,!~de.indexOf(se)),~de.indexOf(se)?(de.splice(de.indexOf(se),1),ae=null,G({sortable:d,rootEl:c,name:"deselect",targetEl:se,originalEvent:s})):(de.push(se),G({sortable:d,rootEl:c,name:"select",targetEl:se,originalEvent:s}),s.shiftKey&&ae&&d.el.contains(ae)?(r=j(ae),a=j(se),~r&&~a&&r!==a&&function(){for(var e,t=r<a?(e=r,a):(e=a,r+1),n=o.filter;e<t;e++)~de.indexOf(i[e])||P(i[e],o.draggable,u,!1)&&(n&&("function"==typeof n?n.call(d,s,i[e],d):n.split(",").some(function(t){return P(i[e],t.trim(),u,!1)}))||(k(i[e],o.selectedClass,!0),de.push(i[e]),G({sortable:d,rootEl:c,name:"select",targetEl:i[e],originalEvent:s})))}()):ae=se,le=f)),ge&&this.isMultiDrag&&(fe=!1,(u[K].options.sort||u!==c)&&1<de.length&&(n=X(se),e=j(se,":not(."+this.options.selectedClass+")"),!pe&&o.animation&&(se.thisAnimationDuration=null),f.captureAnimationState(),pe||(o.animation&&(se.fromRect=n,de.forEach(function(t){var e;t.thisAnimationDuration=null,t!==se&&(e=fe?X(t):n,t.fromRect=e,f.addAnimationState({target:t,rect:e}))})),ve(),de.forEach(function(t){i[e]?u.insertBefore(t,i[e]):u.appendChild(t),e++}),p===j(se)&&(l=!1,de.forEach(function(t){t.sortableIndex!==j(t)&&(l=!0)}),l&&(h("update"),h("sort")))),de.forEach(function(t){x(t)}),f.animateAll()),le=f),(c===u||t&&"clone"!==t.lastPutMode)&&he.forEach(function(t){t.parentNode&&t.parentNode.removeChild(t)}))},nullingGlobal:function(){this.isMultiDrag=ge=!1,he.length=0},destroyGlobal:function(){this._deselectMultiDrag(),p(document,"pointerup",this._deselectMultiDrag),p(document,"mouseup",this._deselectMultiDrag),p(document,"touchend",this._deselectMultiDrag),p(document,"keydown",this._checkKeyDown),p(document,"keyup",this._checkKeyUp)},_deselectMultiDrag:function(t){if(!(void 0!==ge&&ge||le!==this.sortable||t&&P(t.target,this.options.draggable,this.sortable.el,!1)||t&&0!==t.button))for(;de.length;){var e=de[0];k(e,this.options.selectedClass,!1),de.shift(),G({sortable:this.sortable,rootEl:this.sortable.el,name:"deselect",targetEl:e,originalEvent:t})}},_checkKeyDown:function(t){t.key===this.options.multiDragKey&&(this.multiDragKeyDown=!0)},_checkKeyUp:function(t){t.key===this.options.multiDragKey&&(this.multiDragKeyDown=!1)}},a(t,{pluginName:"multiDrag",utils:{select:function(t){var e=t.parentNode[K];e&&e.options.multiDrag&&!~de.indexOf(t)&&(le&&le!==e&&(le.multiDrag._deselectMultiDrag(),le=e),k(t,e.options.selectedClass,!0),de.push(t))},deselect:function(t){var e=t.parentNode[K],n=de.indexOf(t);e&&e.options.multiDrag&&~n&&(k(t,e.options.selectedClass,!1),de.splice(n,1))}},eventProperties:function(){var n=this,o=[],i=[];return de.forEach(function(t){var e;o.push({multiDragElement:t,index:t.sortableIndex}),e=fe&&t!==se?-1:fe?j(t,":not(."+n.options.selectedClass+")"):j(t),i.push({multiDragElement:t,index:e})}),{items:r(de),clones:[].concat(he),oldIndicies:o,newIndicies:i}},optionListeners:{multiDragKey:function(t){return"ctrl"===(t=t.toLowerCase())?t="Control":1<t.length&&(t=t.charAt(0).toUpperCase()+t.substr(1)),t}}})}),jt});
\ No newline at end of file
diff --git a/internal/loki/ui/src/js/06-settings.js b/internal/loki/ui/src/js/06-settings.js
index c30c01a..273789d 100644
--- a/internal/loki/ui/src/js/06-settings.js
+++ b/internal/loki/ui/src/js/06-settings.js
@@ -60,7 +60,9 @@ async function loadPresets(){
     const row=document.createElement('div');
     const pend = !x.active && pendingPreset===i+1;
     row.className='preset'+(x.active?' active':'')+(pend?' pending':'')+(moved?' sel-anim':'');
-    row.onclick=()=>switchTo(i+1, x.name, x.id);
+    row.dataset.id = x.id;
+    // Fin d'un glisser-déposer : le clic qui le termine ne bascule pas le preset.
+    row.onclick=()=>{ if(presetJustDragged) return; switchTo(i+1, x.name, x.id); };
     const info=document.createElement('div'); info.className='preset-info';
     const nm=document.createElement('div'); nm.className='preset-name';
     // Puce de l'actif : un ÉLÉMENT rond en CSS, pas le caractère « ● ». Le glyphe
@@ -88,12 +90,27 @@ async function loadPresets(){
       q.textContent=x.quant; q.title='quantization';
       meta.appendChild(q);
     }
-    if(x.reasoning){
-      const rt=document.createElement('span'); rt.className='rtag';
-      rt.title='raisonnement actif ('+x.reasoning+')';
-      rt.innerHTML='<svg viewBox="0 0 24 24" width="10" height="10" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M9 18h6"/><path d="M10 22h4"/><path d="M12 2a7 7 0 0 0-4 12.7c.6.5 1 1.3 1 2.1V18h6v-1.2c0-.8.4-1.6 1-2.1A7 7 0 0 0 12 2z"/></svg>';
-      rt.appendChild(document.createTextNode(x.reasoning));
-      meta.appendChild(rt);
+    if(x.ctx && !x.external){
+      const c=document.createElement('span'); c.className='ctag';
+      c.title='taille de contexte'; c.textContent=x.ctx;
+      meta.appendChild(c);
+    }
+    // Pastille « capacités » (repris d'AJEAN) : vision (œil) et raisonnement
+    // (ampoule + niveau), regroupés en un seul tag.
+    if(x.vision || x.reasoning){
+      const cap=document.createElement('span'); cap.className='captag';
+      const tip=[];
+      if(x.vision){
+        cap.insertAdjacentHTML('beforeend','<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M1 12s4-8 11-8 11 8 11 8-4 8-11 8-11-8-11-8z"/><circle cx="12" cy="12" r="3"/></svg>');
+        tip.push('lit les images');
+      }
+      if(x.reasoning){
+        cap.insertAdjacentHTML('beforeend','<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M9 18h6"/><path d="M10 21h4"/><path d="M12 3a6 6 0 0 0-4 10.5c.6.6 1 1.4 1 2.5h6c0-1.1.4-1.9 1-2.5A6 6 0 0 0 12 3z"/></svg>');
+        cap.appendChild(document.createTextNode(x.reasoning));
+        tip.push('raisonnement actif ('+x.reasoning+')');
+      }
+      cap.title=tip.join(' · ');
+      meta.appendChild(cap);
     }
     if(x.bench){
       const bt=document.createElement('span'); bt.className='btag';
@@ -118,6 +135,40 @@ async function loadPresets(){
     row.appendChild(info); row.appendChild(edit);
     cont.appendChild(row);
   });
+  initPresetSortable(cont);
+}
+// ─── Réordonnancement des presets (SortableJS, repris d'AJEAN) ───────────────
+// La ligne entière se déplace, sans poignée. L'ordre est gardé côté serveur
+// (/api/presets/order) : il vaut aussi pour le sélecteur de l'en-tête.
+let presetJustDragged = false;
+let presetSortable = null;
+function initPresetSortable(cont){
+  if(typeof Sortable==='undefined') return; // lib absente : la liste reste simple
+  if(presetSortable) return;                 // une instance, sur le conteneur qui persiste
+  presetSortable = Sortable.create(cont, {
+    animation: 160,
+    easing: 'cubic-bezier(.2,.7,.3,1)',
+    // Clone géré par Sortable (et non l'image native, semi-transparente), posé
+    // sur <body> : dans la modale (ancêtre transformé), il apparaissait loin
+    // du curseur.
+    forceFallback: true,
+    fallbackTolerance: 3,
+    fallbackOnBody: true,
+    // Sur mobile, il faut MAINTENIR l'appui : un simple défilement attrapait un preset.
+    delay: 220,
+    delayOnTouchOnly: true,
+    touchStartThreshold: 6,
+    ghostClass: 'preset-ghost',
+    chosenClass: 'preset-chosen',
+    dragClass: 'preset-drag',
+    onStart(){ presetJustDragged = true; },
+    onEnd(){
+      setTimeout(()=>{ presetJustDragged = false; }, 60);
+      const ids=[...cont.children].map(r=>r.dataset.id).filter(Boolean);
+      // Re-rendu une fois l'ordre persisté : les positions (pendingPreset) suivent.
+      jpost('/api/presets/order', {ids}).then(()=>loadPresets()).catch(()=>{});
+    },
+  });
 }
 // « Mode agent » = accès machine + skills réunis en un seul interrupteur.
 // Quand il est actif, un « a » blanc apparaît en fondu devant « loki » → « loki ».
diff --git a/internal/loki/ui/src/js/07-models.js b/internal/loki/ui/src/js/07-models.js
index 8b5f696..7c1ba6c 100644
--- a/internal/loki/ui/src/js/07-models.js
+++ b/internal/loki/ui/src/js/07-models.js
@@ -158,6 +158,10 @@ async function openItem(kind, key){
   const modelRow = document.getElementById('m-model-row');
   const settingsRow = document.getElementById('m-settings-row');
   const samplingRow = document.getElementById('m-sampling-row');
+  const sysRow = document.getElementById('m-sys-row');
+  if(sysRow) sysRow.style.display = kind === 'preset' ? '' : 'none';
+  const sysTa = document.getElementById('m-sysprompt');
+  if(sysTa) sysTa.value = '';
   const rawHead = document.getElementById('m-raw-head');
   const rawToggle = document.getElementById('m-raw-toggle');
   const rawBody = document.getElementById('m-raw-body');
@@ -216,6 +220,7 @@ async function openItem(kind, key){
   document.getElementById('m-name').value = display;
   document.getElementById('m-content').value = d.content || '';
   if(kind === 'preset'){
+    if(sysTa) sysTa.value = d.sysprompt || '';
     // Ces deux-là LISENT le contenu : elles doivent passer après son arrivée.
     document.getElementById('m-quant').value = currentQuantInTextarea();
     populateSettings();
@@ -297,6 +302,10 @@ async function populateModelPicker(){
   // regroupe par dossier, celui de loki d'abord (l'API les renvoie dans cet ordre).
   const groups = [];
   for(const m of (list||[])){
+    // Projecteurs vision : ils ont leur propre sélecteur (Vision) et ne se
+    // lancent pas comme modèle (repris d'AJEAN v0.16.2). Gardé seulement s'il
+    // est DÉJÀ le MODEL du preset, pour ne pas masquer une erreur de saisie.
+    if(isMmprojName(m.name) && m !== hit) continue;
     let g = groups.find(x => x.dir === m.dir);
     if(!g){ g = {dir: m.dir, home: m.home, items: []}; groups.push(g); }
     g.items.push(m);
@@ -632,6 +641,21 @@ function onPickMmproj(){
   // et on centralise le choix dans la clé MMPROJ.
   eaSetValued('--mmproj', '');
   cfgWriteKey('MMPROJ', document.getElementById('m-mmproj').value);
+  syncMmprojCpuRow();
+}
+// « Projecteur sur le CPU » n'a de sens qu'avec un mmproj chargé : la ligne est
+// masquée sans vision. Source de vérité = la config, pas le select (rempli
+// APRÈS cette synchro à l'ouverture du preset). Sans projecteur, le drapeau
+// resté dans EXTRA_ARGS est retiré.
+function syncMmprojCpuRow(){
+  const row = document.getElementById('s-mmproj-cpu-row');
+  if(!row) return;
+  const on = !!currentMmprojInTextarea();
+  row.style.display = on ? '' : 'none';
+  if(!on && eaHasFlag('--no-mmproj-offload')){
+    eaToggleFlag('--no-mmproj-offload', false);
+    const c = document.getElementById('s-mmproj-cpu'); if(c) c.checked = false;
+  }
 }
 // Un projecteur multimodal se reconnaît à « mmproj » dans son nom : c'est la
 // convention de nommage universelle (llama.cpp, HF). On ne liste que ceux-là —
@@ -1087,6 +1111,8 @@ function populateSettings(){
     }
   }
   chk('s-flash', eaHasFlag('--flash-attn') && !/^off$/i.test(eaGetValued('--flash-attn')));
+  chk('s-mmproj-cpu', eaHasFlag('--no-mmproj-offload'));
+  syncMmprojCpuRow();
   const lm = eaLoadMode();
   set('s-loadmode', lm);
   syncLoadModeSub(lm);
@@ -1421,7 +1447,7 @@ async function saveItem(){
   // Presets: keyed by id (filename); duplicate display names are allowed.
   // Skills: keyed by name, rename via `old`.
   const payload = editingKind==='preset'
-    ? {id: editingKey, name, content}
+    ? {id: editingKey, name, content, sysprompt: (document.getElementById('m-sysprompt')||{}).value || ''}
     : {name, old: editingKey, content};
   const r = await jpost(K.saveUrl, payload);
   if(!r.ok){ toast('erreur : ' + (r.error||'')); return; }
diff --git a/internal/loki/ui/src/js/18-shell.js b/internal/loki/ui/src/js/18-shell.js
index 306f2cd..5c931ce 100644
--- a/internal/loki/ui/src/js/18-shell.js
+++ b/internal/loki/ui/src/js/18-shell.js
@@ -108,7 +108,8 @@ function renderModelSwitch(presets, active){
 async function loadModelSwitchFiles(){
   try{
     const r = await jget('/api/models');
-    MS_FILES = Array.isArray(r) ? r : [];
+    // Projecteurs vision exclus : choisis comme modèle, le moteur ne démarre pas.
+    MS_FILES = (Array.isArray(r) ? r : []).filter(m => !/mmproj/i.test(String(m.name||'')));
   }catch(_){ return; }
   paintModelSwitch();
 }
diff --git a/internal/loki/ui/src/styles.css b/internal/loki/ui/src/styles.css
index 8d3b57d..8d37912 100644
--- a/internal/loki/ui/src/styles.css
+++ b/internal/loki/ui/src/styles.css
@@ -170,7 +170,7 @@ option,optgroup{background:var(--panel);color:var(--text)}
 /* Desktop : menu plus large et bulles (badges) un peu plus grosses. */
 @media (min-width:721px){
   .side{width:380px}
-  .preset-meta .qtag,.preset-meta .rtag,.preset-meta .btag,.preset-meta .xtag{font-size:11px;padding:2px 9px;border-radius:4px}
+  .preset-meta .qtag,.preset-meta .rtag,.preset-meta .btag,.preset-meta .xtag,.preset-meta .ctag,.preset-meta .captag{font-size:11px;padding:2px 9px;border-radius:4px}
   .preset-meta .qtag svg,.preset-meta .rtag svg,.preset-meta .btag svg,.preset-meta .xtag svg{width:11px;height:11px}
 }
 h1{margin:0;font-size:18px;color:var(--accent)}
@@ -266,6 +266,9 @@ h1{margin:0;font-size:18px;color:var(--accent)}
    (étiquette comprise), plus sur la carte seule. */
 .gated-group{margin:0 0 10px;transition:opacity .15s}
 .gated-group.gated{opacity:.4;pointer-events:none;filter:grayscale(.4)}
+/* L'aide « ? » reste survolable sur un réglage grisé : c'est justement là qu'on
+   veut savoir à quoi il sert (repris d'AJEAN, #104). */
+.gated-group.gated .help{pointer-events:auto}
 .switch{position:relative;display:inline-block;width:36px;height:20px;flex:none}
 .switch input{position:absolute;opacity:0;width:0;height:0}
 /* Piste décochée : un gris franc (pas --border), sinon le pavé blanc ne se
@@ -363,6 +366,17 @@ button:disabled{opacity:.5;cursor:not-allowed}
 .preset-meta{display:flex;align-items:center;gap:6px;margin-top:3px;flex-wrap:wrap}
 .qtag{flex-shrink:0;font-size:9px;padding:1px 6px;border:1px solid var(--border);color:var(--dim);border-radius:4px;letter-spacing:.03em;text-transform:uppercase}
 .rtag{flex-shrink:0;display:inline-flex;align-items:center;gap:3px;font-size:9px;padding:1px 6px;border:1px solid var(--border);color:var(--dim);border-radius:4px;letter-spacing:.03em}
+.ctag{flex-shrink:0;display:inline-flex;align-items:center;gap:3px;font-size:9px;padding:1px 6px;border:1px solid var(--border);color:var(--dim);border-radius:4px;letter-spacing:.03em}
+/* Pastille « capacités » (repris d'AJEAN) : vision (œil) et raisonnement
+   (ampoule + niveau). Icônes en em : la bulle a la hauteur des autres tags. */
+.captag{flex-shrink:0;display:inline-flex;align-items:center;gap:4px;font-size:9px;padding:1px 6px;border:1px solid var(--border);color:var(--dim);border-radius:4px;letter-spacing:.03em}
+.captag::before{content:"\200b";margin-right:-4px}
+.captag svg{display:block;width:1.3em;height:1.3em}
+/* Réordonnancement des presets (SortableJS) : clone plein qui suit le curseur,
+   emplacement cible discret. */
+.preset-drag{cursor:grabbing;background:var(--row-bg-on);border:none;border-radius:6px;box-shadow:0 6px 18px rgba(0,0,0,.35);outline:none;opacity:1!important}
+.preset-ghost{opacity:.35}
+.preset-chosen{cursor:grabbing}
 /* Preset externe : le seul tag qui prend la couleur d'accent. Il ne décrit pas
    un réglage mais une DESTINATION — la réponse part sur internet, pas sur la
    carte graphique d'à côté, et ça mérite de se voir du premier coup d'œil.
diff --git a/internal/loki/web_api.go b/internal/loki/web_api.go
index f44fb03..97e9b3f 100644
--- a/internal/loki/web_api.go
+++ b/internal/loki/web_api.go
@@ -441,9 +441,20 @@ func handlePresets(w http.ResponseWriter, r *http.Request) {
 				if m := strings.TrimSpace(cfg[extKeyModel]); m != "" {
 					item["model"] = m
 				}
+				if strings.TrimSpace(cfg[extKeyVision]) == "1" {
+					item["vision"] = true
+				}
 				out = append(out, item)
 				continue
 			}
+			// Pastilles de la liste : taille de contexte, et l'œil quand le preset
+			// charge un projecteur vision (repris d'AJEAN v0.10.1 / v0.10.9).
+			if c := presetCtx(content); c != "" {
+				item["ctx"] = c
+			}
+			if strings.TrimSpace(parseEnv(content)["MMPROJ"]) != "" {
+				item["vision"] = true
+			}
 			// Strata : réglages dans sa propre fenêtre, pas l'éditeur llama.cpp.
 			if cfg := parseEnv(content); isStrataConfig(cfg) {
 				item["strata"] = true
@@ -481,6 +492,26 @@ func handlePresets(w http.ResponseWriter, r *http.Request) {
 	sendJSON(w, 200, out)
 }
 
+// handlePresetsOrder (POST {ids}) : l'ordre de la liste choisi par glisser-déposer.
+func handlePresetsOrder(w http.ResponseWriter, r *http.Request) {
+	if r.Method != http.MethodPost {
+		sendJSON(w, 405, map[string]any{"ok": false, "error": "POST attendu"})
+		return
+	}
+	var req struct {
+		IDs []string `json:"ids"`
+	}
+	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
+		sendJSON(w, 400, map[string]any{"ok": false, "error": err.Error()})
+		return
+	}
+	if err := savePresetOrder(req.IDs); err != nil {
+		sendJSON(w, 500, map[string]any{"ok": false, "error": err.Error()})
+		return
+	}
+	sendJSON(w, 200, map[string]any{"ok": true})
+}
+
 func handlePreset(w http.ResponseWriter, r *http.Request) {
 	id := strings.TrimSpace(r.URL.Query().Get("id"))
 	if id == "" {
@@ -492,16 +523,20 @@ func handlePreset(w http.ResponseWriter, r *http.Request) {
 		sendJSON(w, 404, map[string]any{"error": "not found"})
 		return
 	}
-	sendJSON(w, 200, map[string]any{"id": id, "name": presetDisplayName(content, id), "content": content})
+	sendJSON(w, 200, map[string]any{"id": id, "name": presetDisplayName(content, id), "content": content,
+		"sysprompt": getStr(bkState, sysPromptKeyPrefix+id)})
 }
 
 // presetSaveReq is the preset editor payload. `id` identifies an existing
 // preset to update ("" creates a new one); `name` is the display name.
+// SysPrompt : le prompt système DE CE preset, édité dans l'éditeur (repris
+// d'AJEAN v0.13.0) ; nil = champ absent, on n'y touche pas.
 type presetSaveReq struct {
-	ID          string `json:"id"`
-	Name        string `json:"name"`
-	Content     string `json:"content"`
-	DeleteModel bool   `json:"deleteModel"`
+	ID          string  `json:"id"`
+	Name        string  `json:"name"`
+	Content     string  `json:"content"`
+	DeleteModel bool    `json:"deleteModel"`
+	SysPrompt   *string `json:"sysprompt,omitempty"`
 }
 
 // saveReq is the skill editor payload (skills keep name-as-identity + rename).
@@ -604,6 +639,12 @@ func handlePresetSave(w http.ResponseWriter, r *http.Request) {
 		sendJSON(w, 400, map[string]any{"ok": false, "error": err.Error()})
 		return
 	}
+	if req.SysPrompt != nil {
+		if err := putStr(bkState, sysPromptKeyPrefix+newID, strings.TrimSpace(*req.SysPrompt)); err != nil {
+			sendJSON(w, 500, map[string]any{"ok": false, "error": err.Error()})
+			return
+		}
+	}
 	if applied {
 		fmt.Printf("%s config.env <- %s (preset actif modifié)\n", green("[ok]"), newID)
 		fmt.Println(dim("[info] redémarrage du service..."))
diff --git a/internal/loki/web_server.go b/internal/loki/web_server.go
index cfb6de9..4c32bb6 100644
--- a/internal/loki/web_server.go
+++ b/internal/loki/web_server.go
@@ -262,6 +262,7 @@ func newWebMux() *http.ServeMux {
 	api("/api/strata/install", handleStrataInstall)   // job : paquet figé + installeur de Strata + preset (suivi par /api/llamacpp/job)
 	api("/api/strata/settings", handleStrataSettings) // réglages d'un modèle Strata installé (relance s'il est actif)
 	api("/api/presets", handlePresets)
+	api("/api/presets/order", handlePresetsOrder) // ordre de la liste (glisser-déposer)
 	api("/api/preset", handlePreset)
 	api("/api/preset/save", handlePresetSave)
 	api("/api/preset/cacheram", handlePresetCacheRAM)   // aperçu de --cache-ram pour le preset édité