chore: 前端工程化 + Git hooks + 对齐 PathEditor 规范

- 新增 .gitattributes（CRLF 统一）+ rust-toolchain.toml
- 新增 Prettier + ESLint + markdownlint 配置
- 新增 Husky Git hooks（pre-commit lint-staged + commit-msg commitlint）
- 新增 vitest 前端测试（12 tests, utils/qrText.ts）
- 新增 @ 路径别名（vite + tsconfig）
- 新增 ROADMAP / SUPPORT / CODEOWNERS / FUNDING / dependabot
- 更新 .gitignore + .editorconfig
- 更新 package.json（新增 lint/format/test 脚本）
- 全项目 prettier 格式化 + eslint 通过
- 更新 CLAUDE.md + README.md

.github/CODEOWNERS

@@ -0,0 +1,19 @@
+# 代码所有者 — 自动分配 PR 审查
+# https://docs.github.com/repositories/managing-your-repositorys-settings-and-features/customizing-your-repository/about-code-owners
+
+# 全局所有者
+* @LHY0125
+
+# Rust 代码
+/core/ @LHY0125
+/cli/ @LHY0125
+/gui/ @LHY0125
+/web/ @LHY0125
+/Cargo.toml @LHY0125
+/rust-toolchain.toml @LHY0125
+
+# 前端代码
+/gui/src-frontend/ @LHY0125
+
+# CI/CD 和配置文件
+/.github/ @LHY0125

.github/FUNDING.yml

@@ -0,0 +1,4 @@
+# 开源赞助
+# 支持 QRGen 的开发
+
+github: LHY0125

.github/dependabot.yml

@@ -0,0 +1,72 @@
+# Dependabot 自动依赖更新配置
+# https://docs.github.com/code-security/dependabot/dependabot-version-updates
+
+version: 2
+updates:
+  # npm 前端依赖
+  - package-ecosystem: "npm"
+    directory: "/gui/src-frontend"
+    schedule:
+      interval: "weekly"
+      day: "monday"
+      time: "09:00"
+      timezone: "Asia/Shanghai"
+    versioning-strategy: "auto"
+    allow:
+      - dependency-type: "all"
+    labels:
+      - "dependencies"
+      - "javascript"
+    commit-message:
+      prefix: "chore(deps)"
+      prefix-development: "chore(deps-dev)"
+    open-pull-requests-limit: 5
+    groups:
+      react:
+        patterns:
+          - "react"
+          - "react-dom"
+          - "@types/react"
+          - "@types/react-dom"
+      tauri:
+        patterns:
+          - "@tauri-apps/*"
+      testing:
+        patterns:
+          - "vitest"
+          - "@testing-library/*"
+          - "jsdom"
+      eslint:
+        patterns:
+          - "eslint"
+          - "eslint-plugin-*"
+          - "typescript-eslint"
+          - "globals"
+          - "@eslint/js"
+
+  # Cargo Rust 依赖
+  - package-ecosystem: "cargo"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+      day: "monday"
+      time: "09:00"
+      timezone: "Asia/Shanghai"
+    labels:
+      - "dependencies"
+      - "rust"
+    commit-message:
+      prefix: "chore(deps)"
+      prefix-development: "chore(deps-dev)"
+    open-pull-requests-limit: 3
+
+  # GitHub Actions
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "monthly"
+    labels:
+      - "dependencies"
+      - "ci"
+    commit-message:
+      prefix: "ci(deps)"