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/projects.ts

@@ -0,0 +1,42 @@
+export default {
+  projects: {
+    title: '📂 Projects',
+    // Header actions
+    create: '+ New Project',
+    trash: '🗑 Trash',
+    // New project modal
+    createTitle: 'New Project',
+    nameLabel: 'Project Name',
+    namePlaceholder: 'Enter project name',
+    descLabel: 'Project Description',
+    descPlaceholder: 'Briefly describe the project goal',
+    confirmCreate: 'Create',
+    // Trash modal
+    trashTitle: '🗑 Trash',
+    trashEmpty: 'Trash is empty',
+    movedIn: 'moved in',
+    restore: '↩ Restore',
+    purge: 'Delete Permanently',
+    // Project card
+    deleteTitle: 'Delete',
+    // Empty state
+    empty: 'No projects yet, click the top-right button to create your first project',
+    // Confirm prompts
+    confirmDelete: 'Delete project "{name}"? It will be moved to trash and can be restored.',
+    confirmPurge: 'Permanently delete project "{name}"? Tasks/branches/releases will be physically deleted and cannot be recovered!',
+    // New fields
+    codeDirLabel: 'Code Directory',
+    codeDirPlaceholder: 'Click the button on the right to select project directory',
+    selectDir: 'Select Directory',
+    clearDir: 'Clear',
+    // Status labels (PROJECT_STATUS_LABELS values in constants/project.ts use these keys)
+    status: {
+      planning: '📐 Planning',
+      in_progress: '💻 In Progress',
+      paused: '⏸ Paused',
+      completed: '✅ Completed',
+      cancelled: '❌ Cancelled',
+      active: '🚀 In Progress',
+    },
+  },
+}