feat(ui): add send-prompt-to-workflow button for prompt and negative prompt

- Add sendPromptToWorkflow() and stripLoraTags() exports to uiHelpers.js
- Add send button (paper-plane icon) to recipe modal and showcase hover panel
- Restructure showcase metadata panel layout to match recipe modal style
- Respect strip <lora:> setting before sending
- Uses 'replace' mode (not append) on text-capable workflow nodes
- Add translations for all 10 locales

templates/components/recipe_modal.html

@@ -36,6 +36,9 @@
                             <div class="param-header">
                                 <label>Prompt</label>
                                 <div class="param-actions">
+                                    <button class="copy-btn" id="sendPromptBtn" title="Send Prompt to Workflow">
+                                        <i class="fas fa-paper-plane"></i>
+                                    </button>
                                     <button class="copy-btn" id="copyPromptBtn" title="Copy Prompt">
                                         <i class="fas fa-copy"></i>
                                     </button>
@@ -62,6 +65,9 @@
                             <div class="param-header">
                                 <label>Negative Prompt</label>
                                 <div class="param-actions">
+                                    <button class="copy-btn" id="sendNegativePromptBtn" title="Send Negative Prompt to Workflow">
+                                        <i class="fas fa-paper-plane"></i>
+                                    </button>
                                     <button class="copy-btn" id="copyNegativePromptBtn" title="Copy Negative Prompt">
                                         <i class="fas fa-copy"></i>
                                     </button>