feat: 支持工作流插件复用与试运行

- 新增工作流插件类型、发布快照同步、实时可用性与下线影响检查

- 收口绑定候选、分类权限、间接环路校验与运行态优雅降级

- 补齐管理端工作流插件配置、详情与试运行界面及定向测试

easyflow-ui-admin/packages/tinyflow-ui/src/components/core/ParamTokenEditor.svelte

@@ -37,6 +37,7 @@
     let inputEl = $state<HTMLInputElement | null>(null);
     let textareaEl = $state<HTMLTextAreaElement | null>(null);
     let highlightEl = $state<HTMLDivElement | null>(null);
+    let scrollbarWidth = $state(0);
     let triggerObject: any;
     let isFocused = $state(false);
     let isComposing = $state(false);
@@ -49,6 +50,17 @@
         }
     });
 
+    $effect(() => {
+        localValue;
+        if (mode !== 'textarea') {
+            return;
+        }
+
+        requestAnimationFrame(() => {
+            updateScrollbarWidth();
+        });
+    });
+
     const paramCandidates = $derived(flattenParameterCandidates(parameters));
     const paramNames = $derived(paramCandidates.map((item) => item.name));
     const unresolvedParamSet = $derived.by(() => {
@@ -129,9 +141,48 @@
         highlightEl.scrollLeft = el.scrollLeft;
     };
 
+    const updateScrollbarWidth = () => {
+        const el = textareaEl;
+        if (!el || mode !== 'textarea') {
+            scrollbarWidth = 0;
+            return;
+        }
+
+        const style = getComputedStyle(el);
+        const borderLeft = parseFloat(style.borderLeftWidth || '0');
+        const borderRight = parseFloat(style.borderRightWidth || '0');
+        const nextWidth = Math.max(0, el.offsetWidth - el.clientWidth - borderLeft - borderRight);
+        scrollbarWidth = Number.isFinite(nextWidth) ? nextWidth : 0;
+    };
+
+    const syncEditorMetrics = () => {
+        syncScroll();
+        updateScrollbarWidth();
+    };
+
+    $effect(() => {
+        if (mode !== 'textarea' || !textareaEl) {
+            scrollbarWidth = 0;
+            return;
+        }
+
+        const resizeObserver = typeof ResizeObserver !== 'undefined'
+            ? new ResizeObserver(() => {
+                  updateScrollbarWidth();
+              })
+            : null;
+
+        updateScrollbarWidth();
+        resizeObserver?.observe(textareaEl);
+
+        return () => {
+            resizeObserver?.disconnect();
+        };
+    });
+
     const handleInput = (event: Event) => {
         localValue = ((event.target as HTMLInputElement | HTMLTextAreaElement).value || '') as string;
-        syncScroll();
+        syncEditorMetrics();
         emitInput(event);
     };
 
@@ -158,7 +209,7 @@
             newEditorEl.focus();
             newEditorEl.setSelectionRange(result.cursor, result.cursor);
         }
-        syncScroll();
+        syncEditorMetrics();
         triggerObject?.hide?.();
     };
 
@@ -310,7 +361,7 @@
                     editorEl.focus();
                     editorEl.setSelectionRange(deleteRange.start, deleteRange.start);
                 }
-                syncScroll();
+                syncEditorMetrics();
                 rest.onkeydown?.(event);
                 return;
             }
@@ -339,7 +390,7 @@
             editorEl.focus();
             editorEl.setSelectionRange(tokenRange.start, tokenRange.start);
         }
-        syncScroll();
+        syncEditorMetrics();
         rest.onkeydown?.(event);
     };
 
@@ -400,6 +451,7 @@
         <div
             class="param-token-editor-highlight {mode === 'input' ? 'single-line' : 'multi-line'}"
             bind:this={highlightEl}
+            style={`--param-token-scrollbar-width: ${scrollbarWidth}px;`}
             aria-hidden="true"
         >
             {@html highlightedHtml}
@@ -571,7 +623,9 @@
     inset: 0;
     border: 1px solid transparent;
     border-radius: 5px;
-    padding: var(--param-token-padding-y) var(--param-token-padding-right) var(--param-token-padding-y)
+    padding: var(--param-token-padding-y)
+      calc(var(--param-token-padding-right) + var(--param-token-scrollbar-width, 0px))
+      var(--param-token-padding-y)
       var(--param-token-padding-left);
     box-sizing: border-box;
     color: var(--tf-text-primary);
@@ -621,6 +675,8 @@
 
   .param-token-textarea {
     overflow: auto;
+    display: block;
+    scrollbar-gutter: stable;
   }
 
   .param-token-action {