新增: Phase2 阶段收尾（Sprint 1-20）

重构：删 5 零引用 crate（df-evolve/plugin/stages/task/traceability）+ 清死模块、ai.rs 拆 11 子 module、ai.ts 拆 6 composable、i18n 拆目录
功能：知识库全栈（df-project/scan + CRUD + 时间线 + 前端）、Settings 拆分、appSettings KV 迁移、模型池、LLM 并发 Semaphore
修复：审批持久化根治、ConditionEngine 默认拒绝、NodeRegistry unimplemented 清除、promote 补偿删除、工具结果截断 50KB、路径校验防 symlink 逃逸
文档：B-03 人工审批设计、决策记录三分档、规格契约自检、经验记录、todo 看板、PROGRESS 更新

详见 PROGRESS.md。src-tauri/儿童每日打卡应用/ 与本项目无关，已排除。

src/i18n/en/aiTool.ts

@@ -0,0 +1,31 @@
+export default {
+  aiTool: {
+    running: 'Running…',
+    approve: 'Approve',
+    reject: 'Reject',
+    rejectedHint: 'User rejected this action',
+    collapse: 'Collapse',
+    expandAll: 'Expand all',
+    written: 'written',
+    items: 'items',
+    lines: 'lines',
+
+    readPrefix: 'Read',
+    readFallback: 'Read File',
+    dirPrefix: 'Dir',
+    dirFallback: 'List Directory',
+    writePrefix: 'Write',
+    writeFallback: 'Write File',
+
+    taskCount: '{n} tasks',
+    projectCount: '{n} projects',
+    ideaCount: '{n} ideas',
+    createdWithName: 'Created: {name}',
+    created: 'Created',
+    updatedField: 'Updated {field}',
+    updated: 'Updated',
+    deleted: 'Deleted',
+    deleteIneffective: 'Delete ineffective',
+    workflowHint: 'Run it on the workflow page',
+  },
+}