feat(assistant): add multi-dialog UX, task-aware llm settings, and i18n cleanup

frontend/src/components/git/DeploymentModal.svelte

@@ -14,6 +14,7 @@
     import { onMount, createEventDispatcher } from "svelte";
     import { gitService } from "../../services/gitService";
     import { addToast as toast } from "../../lib/toasts.js";
+    import { t } from "../../lib/i18n";
     // [/SECTION]
 
     // [SECTION: PROPS]
@@ -55,7 +56,7 @@
             );
         } catch (e) {
             console.error(`[DeploymentModal][Coherence:Failed] ${e.message}`);
-            toast("Failed to load environments", "error");
+            toast($t.migration?.loading_envs_failed || "Failed to load environments", "error");
         } finally {
             loading = false;
         }
@@ -76,7 +77,7 @@
         try {
             const result = await gitService.deploy(dashboardId, selectedEnv);
             toast(
-                result.message || "Deployment triggered successfully",
+                result.message || ($t.git?.deploy_success || "Deployment triggered successfully"),
                 "success",
             );
             dispatch("deploy");
@@ -98,26 +99,26 @@
         class="fixed inset-0 bg-black bg-opacity-50 flex items-center justify-center z-50"
     >
         <div class="bg-white p-6 rounded-lg shadow-xl w-96">
-            <h2 class="text-xl font-bold mb-4">Deploy Dashboard</h2>
+            <h2 class="text-xl font-bold mb-4">{$t.git?.deploy || "Deploy Dashboard"}</h2>
 
             {#if loading}
-                <p class="text-gray-500">Loading environments...</p>
+                <p class="text-gray-500">{$t.migration?.loading_envs || "Loading environments..."}</p>
             {:else if environments.length === 0}
                 <p class="text-red-500 mb-4">
-                    No deployment environments configured.
+                    {$t.git?.no_deploy_envs || "No deployment environments configured."}
                 </p>
                 <div class="flex justify-end">
                     <button
                         onclick={() => (show = false)}
                         class="px-4 py-2 bg-gray-200 text-gray-800 rounded hover:bg-gray-300"
                     >
-                        Close
+                        {$t.common?.close || "Close"}
                     </button>
                 </div>
             {:else}
                 <div class="mb-6">
                     <label class="block text-sm font-medium text-gray-700 mb-2"
-                        >Select Target Environment</label
+                        >{$t.migration?.target_env || "Select Target Environment"}</label
                     >
                     <select
                         bind:value={selectedEnv}
@@ -136,7 +137,7 @@
                         onclick={() => (show = false)}
                         class="px-4 py-2 text-gray-600 hover:bg-gray-100 rounded"
                     >
-                        Cancel
+                        {$t.common?.cancel || "Cancel"}
                     </button>
                     <button
                         onclick={handleDeploy}
@@ -164,9 +165,9 @@
                                     d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"
                                 ></path>
                             </svg>
-                            Deploying...
+                            {$t.git?.deploying || "Deploying..."}
                         {:else}
-                            Deploy
+                            {$t.git?.deploy || "Deploy"}
                         {/if}
                     </button>
                 </div>