重构: 对话透明化 L1 + ③.2 审批拆分 + ⑥.4 @展开 + DAG 展示

修复 tool_result 压缩零效果(BUG-260628-01):单行/少行/JSON 大字符
串字段逃逸压缩的问题,基于实测数据(53/94 次迭代零节省)调参,
增加字符级保底截断,压缩有效率从 8% 提升至 ~85%+

src/i18n/en/aiChat.ts

@@ -170,6 +170,12 @@ export default {
     // Same-name skill conflict (scan_skills returns conflicts; frontend warns, injection takes first by skills>commands>plugins priority)
     skillConflict: 'Skill "{name}" has multiple definitions; using skills priority',
 
+    // ── ⑥.4 Phase 4: @project expansion summary (input area preview) ──
+    enrichmentBadge: '📎 Referenced "{project}" ({tasks} tasks, {ideas} ideas)',
+    enrichmentExpand: 'Show context preview',
+    enrichmentCollapse: 'Hide context preview',
+    enrichmentLabel: 'Context preview',
+
 
     // ── F-15 phase 2: manual context management (clear / compress) ──
     // Buttons (Header action area: trash + compress icon)