Add initial support for FLUX.2

ui/src/app/jobs/new/options.ts

@@ -258,7 +258,13 @@ export const modelArchs: ModelArch[] = [
       ],
     },
     disableSections: ['network.conv'],
-    additionalSections: ['sample.ctrl_img', 'datasets.num_frames', 'model.low_vram', 'model.multistage', 'model.layer_offloading'],
+    additionalSections: [
+      'sample.ctrl_img',
+      'datasets.num_frames',
+      'model.low_vram',
+      'model.multistage',
+      'model.layer_offloading',
+    ],
     accuracyRecoveryAdapters: {
       '4 bit with ARA': 'uint4|ostris/accuracy_recovery_adapters/wan22_14b_i2v_torchao_uint4.safetensors',
     },
@@ -459,6 +465,37 @@ export const modelArchs: ModelArch[] = [
     disableSections: ['network.conv'],
     additionalSections: ['datasets.control_path', 'sample.ctrl_img'],
   },
+  {
+    name: 'flux2',
+    label: 'FLUX.2(DUMMY)',
+    group: 'image',
+    defaults: {
+      // default updates when [selected, unselected] in the UI
+      'config.process[0].model.name_or_path': ['ai-toolkit/f2-dummy', defaultNameOrPath],
+      'config.process[0].model.quantize': [true, false],
+      'config.process[0].model.quantize_te': [true, false],
+      'config.process[0].model.low_vram': [true, false],
+      'config.process[0].train.unload_text_encoder': [false, false],
+      'config.process[0].sample.sampler': ['flowmatch', 'flowmatch'],
+      'config.process[0].train.noise_scheduler': ['flowmatch', 'flowmatch'],
+      'config.process[0].train.timestep_type': ['weighted', 'sigmoid'],
+      'config.process[0].model.qtype': ['qfloat8', 'qfloat8'],
+      'config.process[0].model.model_kwargs': [
+        {
+          match_target_res: false,
+        },
+        {},
+      ],
+    },
+    disableSections: ['network.conv'],
+    additionalSections: [
+      'datasets.multi_control_paths',
+      'sample.multi_ctrl_imgs',
+      'model.low_vram',
+      'model.layer_offloading',
+      'model.qie.match_target_res',
+    ],
+  },
 ].sort((a, b) => {
   // Sort by label, case-insensitive
   return a.label.localeCompare(b.label, undefined, { sensitivity: 'base' });