diff --git a/README.md b/README.md
index 7ec2b2f..4c647fc 100644
--- a/README.md
+++ b/README.md
@@ -79,7 +79,7 @@ The official [GitLink](https://www.gitlink.org.cn) CLI tool — built for humans
 
 | Category | Capabilities |
 |----------|-------------|
-| 📦 Repo | List, create, fork, delete repositories, manage settings, topics, transfer |
+| 📦 Repo | List, create, fork, delete repositories, view repo info, insights, and interactions |
 | 🐛 Issue | Create, update, close, batch close, comment on issues |
 | 🔖 Label | Create, list, update, delete issue labels |
 | 🔀 PR | Create, merge, review pull requests, view changed files |
@@ -182,13 +182,6 @@ export GITLINK_TOKEN="your-private-token"
 gitlink-cli user +me
 ```
 
-If the CLI cannot detect authentication, config, or repository context correctly, run:
-
-```bash
-gitlink-cli doctor
-gitlink-cli doctor --skip-network --format json
-```
-
 ## Usage Examples
 
 ### Repository Operations
@@ -200,27 +193,37 @@ gitlink-cli repo +list
 # View repository info
 gitlink-cli repo +info --owner Gitlink --repo forgeplus
 
-# View repository metadata and settings
-gitlink-cli repo +detail --owner Gitlink --repo forgeplus
-gitlink-cli repo +settings --owner Gitlink --repo forgeplus
-
 # Read repository README
 gitlink-cli repo +readme --owner Gitlink --repo forgeplus --ref master
 
+# Show language breakdown
+gitlink-cli repo +languages --owner Gitlink --repo forgeplus
+
+# List contributors
+gitlink-cli repo +contributors --owner Gitlink --repo forgeplus
+
+# Show contributor code-line stats for a branch, tag, or commit
+gitlink-cli repo +contributor-stats --owner Gitlink --repo forgeplus --ref master --pass-year 1
+
+# Show repository code stats
+gitlink-cli repo +code-stats --owner Gitlink --repo forgeplus --ref master
+
+# List watchers and stargazers in a time range
+gitlink-cli repo +watchers --owner Gitlink --repo forgeplus --start-at 1714521600 --end-at 1717200000
+gitlink-cli repo +stargazers --owner Gitlink --repo forgeplus --start-at 1714521600 --end-at 1717200000
+
+# Preview and apply repository interaction actions
+gitlink-cli repo +follow --owner Gitlink --repo forgeplus --dry-run
+gitlink-cli repo +follow --owner Gitlink --repo forgeplus
+gitlink-cli repo +unfollow --owner Gitlink --repo forgeplus --project-id 123
+gitlink-cli repo +like --owner Gitlink --repo forgeplus
+gitlink-cli repo +unlike --owner Gitlink --repo forgeplus --project-id 123
+
 # Create a repository
 gitlink-cli repo +create -n my-project -d "Project description"
 
 # Fork a repository
 gitlink-cli repo +fork --owner Gitlink --repo forgeplus
-
-# Update navigation units and manage topics, previewing writes first
-gitlink-cli repo +units-update --owner Gitlink --repo forgeplus --units code,issues,pulls,wiki --dry-run
-gitlink-cli repo +topics --keyword go
-gitlink-cli repo +topic-add --project-id 17 --name go --dry-run
-
-# Transfer workflow helpers
-gitlink-cli repo +transfer-orgs --owner Gitlink --repo forgeplus
-gitlink-cli repo +transfer --owner Gitlink --repo forgeplus --owner-name target-org --dry-run
 ```
 
 ### Webhook Management
@@ -268,9 +271,6 @@ gitlink-cli member +invite-link --owner Gitlink --repo forgeplus --role develope
 # List issues
 gitlink-cli issue +list --owner Gitlink --repo forgeplus
 
-# Search and sort open issues
-gitlink-cli issue +list --owner Gitlink --repo forgeplus --state open --keyword login --sort-by issues.updated_on --sort-direction desc
-
 # Create an issue
 gitlink-cli issue +create --owner Gitlink --repo forgeplus -t "Bug: Login failed" -b "Steps to reproduce..."
 
@@ -341,9 +341,6 @@ gitlink-cli label +delete --owner Gitlink --repo forgeplus -i 42
 # List PRs
 gitlink-cli pr +list --owner Gitlink --repo forgeplus
 
-# Search merged PRs by keyword
-gitlink-cli pr +list --owner Gitlink --repo forgeplus --state merged --keyword release --sort-by updated_at --sort-direction desc
-
 # Create a PR (same-repo branch)
 gitlink-cli pr +create --owner Gitlink --repo forgeplus -t "feat: Search feature" --head feature/search --base master
 
@@ -571,18 +568,8 @@ Get-Content issue.json | gitlink-cli api POST /Gitlink/forgeplus/issues --body-s
 
 # With query parameters
 gitlink-cli api GET /Gitlink/forgeplus/commits --query 'page=1&limit=5'
-
-# Batch plan with template variables and dry-run preview
-gitlink-cli api --batch-file plan.json --var owner=Gitlink --var repo=forgeplus --dry-run
-gitlink-cli api --batch-file plan.json --continue-on-error
 ```
 
-### Environment Diagnostics
-
-`doctor` checks the local config file, config values, stored token or `GITLINK_TOKEN`,
-repository context detection, and authenticated API connectivity. Use `--skip-network`
-when running in CI or an offline environment.
-
 ## Global Parameters
 
 | Parameter | Description | Example |
@@ -623,7 +610,7 @@ See [skills/README.md](skills/README.md) for details.
 | Skill | Description |
 |-------|-------------|
 | `gitlink-shared` | Authentication, global parameters, safety rules, API notes |
-| `gitlink-repo` | Repository operations (create, settings, topics, transfer, fork, etc.) |
+| `gitlink-repo` | Repository operations (create, view, delete, fork, insights, etc.) |
 | `gitlink-issue` | Issue operations (create, update, close, comment, etc.) |
 | `gitlink-pr` | Pull request operations (create, merge, review, etc.) |
 | `gitlink-member` | Repository member and invite link management |
@@ -749,7 +736,7 @@ You can also download the binary manually from the release page or build from so
 
 ### Q: Where are credentials stored on Windows?
 
-gitlink-cli uses Windows Credential Manager for secure token storage. If Credential Manager is unavailable, it automatically falls back to file storage under the gitlink-cli config directory (`$GITLINK_CONFIG_DIR/credentials` when set, otherwise `~/.config/gitlink-cli/credentials`).
+gitlink-cli uses Windows Credential Manager for secure token storage. If Credential Manager is unavailable, it automatically falls back to file storage (`~/.config/gitlink-cli/credentials`).
 
 ### Q: Where can I find the full API reference?
 
diff --git a/README.zh-CN.md b/README.zh-CN.md
index 102ad50..ef50a17 100644
--- a/README.zh-CN.md
+++ b/README.zh-CN.md
@@ -79,7 +79,7 @@
 
 | 分类 | 能力 |
 |------|------|
-| 📦 仓库 | 列出、创建、Fork、删除仓库，管理设置、Topics、迁移 |
+| 📦 仓库 | 列出、创建、Fork、删除仓库，查看仓库信息、洞察数据和互动状态 |
 | 🐛 Issue | 创建、更新、关闭、批量关闭、评论 Issue |
 | 🔖 标签 | 创建、列出、更新、删除 Issue 标签 |
 | 🔀 PR | 创建、合并、Review Pull Request，查看变更文件 |
@@ -193,13 +193,6 @@ export GITLINK_TOKEN="your-private-token"
 gitlink-cli user +me
 ```
 
-如果 CLI 无法正确识别认证、配置或仓库上下文，可以运行：
-
-```bash
-gitlink-cli doctor
-gitlink-cli doctor --skip-network --format json
-```
-
 ## 使用示例
 
 ### 仓库操作
@@ -211,27 +204,37 @@ gitlink-cli repo +list
 # 查看仓库信息
 gitlink-cli repo +info --owner Gitlink --repo forgeplus
 
-# 查看仓库详情和设置
-gitlink-cli repo +detail --owner Gitlink --repo forgeplus
-gitlink-cli repo +settings --owner Gitlink --repo forgeplus
-
 # 读取仓库 README
 gitlink-cli repo +readme --owner Gitlink --repo forgeplus --ref master
 
+# 查看语言占比
+gitlink-cli repo +languages --owner Gitlink --repo forgeplus
+
+# 列出贡献者
+gitlink-cli repo +contributors --owner Gitlink --repo forgeplus
+
+# 查看分支、标签或提交的贡献者代码行统计
+gitlink-cli repo +contributor-stats --owner Gitlink --repo forgeplus --ref master --pass-year 1
+
+# 查看仓库代码统计
+gitlink-cli repo +code-stats --owner Gitlink --repo forgeplus --ref master
+
+# 按时间范围查看关注者和点赞者
+gitlink-cli repo +watchers --owner Gitlink --repo forgeplus --start-at 1714521600 --end-at 1717200000
+gitlink-cli repo +stargazers --owner Gitlink --repo forgeplus --start-at 1714521600 --end-at 1717200000
+
+# 预览并执行仓库互动操作
+gitlink-cli repo +follow --owner Gitlink --repo forgeplus --dry-run
+gitlink-cli repo +follow --owner Gitlink --repo forgeplus
+gitlink-cli repo +unfollow --owner Gitlink --repo forgeplus --project-id 123
+gitlink-cli repo +like --owner Gitlink --repo forgeplus
+gitlink-cli repo +unlike --owner Gitlink --repo forgeplus --project-id 123
+
 # 创建仓库
 gitlink-cli repo +create -n my-project -d "项目描述"
 
 # Fork 仓库
 gitlink-cli repo +fork --owner Gitlink --repo forgeplus
-
-# 更新导航和管理 Topics，写入前先 dry-run
-gitlink-cli repo +units-update --owner Gitlink --repo forgeplus --units code,issues,pulls,wiki --dry-run
-gitlink-cli repo +topics --keyword go
-gitlink-cli repo +topic-add --project-id 17 --name go --dry-run
-
-# 仓库迁移辅助
-gitlink-cli repo +transfer-orgs --owner Gitlink --repo forgeplus
-gitlink-cli repo +transfer --owner Gitlink --repo forgeplus --owner-name target-org --dry-run
 ```
 
 ### Webhook 管理
@@ -279,9 +282,6 @@ gitlink-cli member +invite-link --owner Gitlink --repo forgeplus --role develope
 # 列出 Issue
 gitlink-cli issue +list --owner Gitlink --repo forgeplus
 
-# 搜索并按更新时间倒序列出开启中的 Issue
-gitlink-cli issue +list --owner Gitlink --repo forgeplus --state open --keyword 登录 --sort-by issues.updated_on --sort-direction desc
-
 # 创建 Issue
 gitlink-cli issue +create --owner Gitlink --repo forgeplus -t "Bug: 登录失败" -b "复现步骤..."
 
@@ -351,9 +351,6 @@ gitlink-cli label +delete --owner Gitlink --repo forgeplus -i 42
 # 列出 PR
 gitlink-cli pr +list --owner Gitlink --repo forgeplus
 
-# 按关键字搜索已合并 PR
-gitlink-cli pr +list --owner Gitlink --repo forgeplus --state merged --keyword release --sort-by updated_at --sort-direction desc
-
 # 创建 PR（同仓库分支）
 gitlink-cli pr +create --owner Gitlink --repo forgeplus -t "feat: 搜索功能" --head feature/search --base master
 
@@ -450,18 +447,8 @@ Get-Content issue.json | gitlink-cli api POST /Gitlink/forgeplus/issues --body-s
 
 # 带查询参数
 gitlink-cli api GET /Gitlink/forgeplus/commits --query 'page=1&limit=5'
-
-# 使用模板变量预览批处理计划
-gitlink-cli api --batch-file plan.json --var owner=Gitlink --var repo=forgeplus --dry-run
-gitlink-cli api --batch-file plan.json --continue-on-error
 ```
 
-### 环境诊断
-
-`doctor` 会检查本地配置文件、配置项、已保存 Token 或 `GITLINK_TOKEN`、
-仓库上下文识别和认证 API 连通性。在 CI 或离线环境中可以使用 `--skip-network`
-跳过远端访问。
-
 ## 全局参数
 
 | 参数 | 说明 | 示例 |
@@ -502,7 +489,7 @@ git push gitlink
 | Skill | 说明 |
 |-------|------|
 | `gitlink-shared` | 认证、全局参数、安全规则、API 注意事项 |
-| `gitlink-repo` | 仓库操作（创建、设置、Topics、迁移、Fork 等） |
+| `gitlink-repo` | 仓库操作（创建、查看、删除、Fork、洞察数据等） |
 | `gitlink-issue` | Issue 操作（创建、更新、关闭、评论等） |
 | `gitlink-pr` | Pull Request 操作（创建、合并、Review 等） |
 | `gitlink-member` | 仓库成员与邀请链接管理 |
@@ -624,7 +611,7 @@ npm install -g @gitlink-ai/cli
 
 ### Q: Windows 上凭证存储在哪里？
 
-gitlink-cli 使用 Windows Credential Manager 安全存储 Token。如果 Credential Manager 不可用，会自动降级到配置目录下的文件存储；设置了 `GITLINK_CONFIG_DIR` 时路径为 `$GITLINK_CONFIG_DIR/credentials`，否则为 `~/.config/gitlink-cli/credentials`。
+gitlink-cli 使用 Windows Credential Manager 安全存储 Token。如果 Credential Manager 不可用，会自动降级到文件存储（`~/.config/gitlink-cli/credentials`）。
 
 ### Q: 如何查看完整的 API 参考？
 
diff --git a/shortcuts/register_test.go b/shortcuts/register_test.go
index e232fbe..a8c8ce4 100644
--- a/shortcuts/register_test.go
+++ b/shortcuts/register_test.go
@@ -11,7 +11,7 @@ func TestRegisterAll(t *testing.T) {
 	RegisterAll(root)
 
 	expectedGroups := []string{
-		"repo", "issue", "label", "pr", "release", "branch",
+		"repo", "issue", "label", "license", "pr", "release", "branch",
 		"org", "user", "search", "ci", "workflow",
 		"compare", "member", "milestone", "pipeline", "webhook",
 		"health",
diff --git a/shortcuts/repo/repo.go b/shortcuts/repo/repo.go
index dea2dd2..09c091c 100644
--- a/shortcuts/repo/repo.go
+++ b/shortcuts/repo/repo.go
@@ -82,257 +82,78 @@ func Shortcuts(translators ...*i18n.Translator) []*common.Shortcut {
 			},
 		},
 		{
-			Name:        "detail",
-			Description: "Show repository detail metadata",
-			Run: func(ctx *common.RuntimeContext) error {
-				if err := ctx.ResolveOwnerRepo(); err != nil {
-					return err
-				}
-				env, err := ctx.CallAPI("GET", ctx.RepoPath()+"/detail", nil)
-				if err != nil {
-					return err
-				}
-				return ctx.Output(env)
-			},
+			Name:        "languages",
+			Description: "Show repository language statistics",
+			Run:         runLanguages,
 		},
 		{
-			Name:        "simple",
-			Description: "Show simplified repository metadata",
-			Run: func(ctx *common.RuntimeContext) error {
-				if err := ctx.ResolveOwnerRepo(); err != nil {
-					return err
-				}
-				env, err := ctx.CallAPI("GET", ctx.RepoPath()+"/simple", nil)
-				if err != nil {
-					return err
-				}
-				return ctx.Output(env)
-			},
+			Name:        "contributors",
+			Description: "List repository contributors",
+			Run:         runContributors,
 		},
 		{
-			Name:        "settings",
-			Description: "Show repository settings metadata",
-			Run: func(ctx *common.RuntimeContext) error {
-				if err := ctx.ResolveOwnerRepo(); err != nil {
-					return err
-				}
-				env, err := ctx.CallAPI("GET", ctx.RepoPath()+"/edit", nil)
-				if err != nil {
-					return err
-				}
-				return ctx.Output(env)
-			},
-		},
-		{
-			Name:        "units",
-			Description: "Show repository navigation units",
-			Run: func(ctx *common.RuntimeContext) error {
-				if err := ctx.ResolveOwnerRepo(); err != nil {
-					return err
-				}
-				env, err := ctx.CallAPI("GET", ctx.RepoPath()+"/project_units", nil)
-				if err != nil {
-					return err
-				}
-				return ctx.Output(env)
-			},
-		},
-		{
-			Name:        "units-update",
-			Description: "Update repository navigation units",
+			Name:        "contributor-stats",
+			Description: "List contributor statistics with code line counts",
 			Flags: []common.Flag{
-				{Name: "units", Short: "u", Usage: "Comma-separated units, for example: code,issues,pulls,wiki", Required: true},
-				{Name: "dry-run", Usage: "Preview the update request without changing repository units", Bool: true, Default: "false"},
-			},
-			Run: func(ctx *common.RuntimeContext) error {
-				if err := ctx.ResolveOwnerRepo(); err != nil {
-					return err
-				}
-				units, err := parseCSVArg(ctx.Arg("units"), "--units")
-				if err != nil {
-					return err
-				}
-				payload := map[string]interface{}{"unit_types": units}
-				path := ctx.RepoPath() + "/project_units"
-				if ctx.Arg("dry-run") == "true" {
-					return ctx.OutputData(map[string]interface{}{
-						"repository": fmt.Sprintf("%s/%s", ctx.Owner, ctx.Repo),
-						"dry_run":    true,
-						"action":     "update_repository_units",
-						"method":     "POST",
-						"path":       path,
-						"payload":    payload,
-					})
-				}
-				env, err := ctx.CallAPI("POST", path, payload)
-				if err != nil {
-					return err
-				}
-				return ctx.Output(env)
+				{Name: "ref", Usage: "Branch, tag, or commit SHA"},
+				{Name: "pass-year", Usage: "Number of past years to include"},
 			},
+			Run: runContributorStats,
 		},
 		{
-			Name:        "topics",
-			Description: "List project topic labels",
+			Name:        "code-stats",
+			Description: "Show repository code statistics",
 			Flags: []common.Flag{
-				{Name: "keyword", Short: "k", Usage: "Topic keyword filter"},
+				{Name: "ref", Usage: "Branch, tag, or commit SHA"},
 			},
+			Run: runCodeStats,
+		},
+		{
+			Name:        "watchers",
+			Description: "List repository watchers",
+			Flags:       communityListFlags(),
 			Run: func(ctx *common.RuntimeContext) error {
-				q := url.Values{}
-				setQueryIfPresent(q, ctx, "keyword", "keyword")
-				env, err := ctx.CallAPIWithQuery("GET", "/v1/project_topics", q)
-				if err != nil {
-					return err
-				}
-				return ctx.Output(env)
+				return runCommunityList(ctx, "watchers")
 			},
 		},
 		{
-			Name:        "topic-add",
-			Description: "Add a topic label to a repository",
-			Flags: []common.Flag{
-				{Name: "project-id", Usage: "Repository project ID", Required: true},
-				{Name: "name", Short: "n", Usage: "Topic name", Required: true},
-				{Name: "dry-run", Usage: "Preview the create request without changing topics", Bool: true, Default: "false"},
-			},
+			Name:        "stargazers",
+			Description: "List repository stargazers",
+			Flags:       communityListFlags(),
 			Run: func(ctx *common.RuntimeContext) error {
-				projectID, err := requiredPositiveIntArg(ctx, "project-id")
-				if err != nil {
-					return err
-				}
-				name, err := ctx.RequireArg("name")
-				if err != nil {
-					return err
-				}
-				payload := map[string]interface{}{
-					"project_id": projectID,
-					"name":       name,
-				}
-				path := "/v1/project_topics"
-				if ctx.Arg("dry-run") == "true" {
-					return ctx.OutputData(map[string]interface{}{
-						"dry_run": true,
-						"action":  "add_repository_topic",
-						"method":  "POST",
-						"path":    path,
-						"payload": payload,
-					})
-				}
-				env, err := ctx.CallAPI("POST", path, payload)
-				if err != nil {
-					return err
-				}
-				return ctx.Output(env)
+				return runCommunityList(ctx, "stargazers")
 			},
 		},
 		{
-			Name:        "topic-delete",
-			Description: "Remove a topic label from a repository",
-			Flags: []common.Flag{
-				{Name: "id", Short: "i", Usage: "Project topic ID", Required: true},
-				{Name: "project-id", Usage: "Repository project ID", Required: true},
-				{Name: "dry-run", Usage: "Preview the delete request without changing topics", Bool: true, Default: "false"},
-			},
+			Name:        "follow",
+			Description: "Follow a repository",
+			Flags:       repoInteractionFlags(),
 			Run: func(ctx *common.RuntimeContext) error {
-				id, err := ctx.RequireArg("id")
-				if err != nil {
-					return err
-				}
-				projectID, err := ctx.RequireArg("project-id")
-				if err != nil {
-					return err
-				}
-				path := fmt.Sprintf("/v1/project_topics/%s", url.PathEscape(id))
-				q := url.Values{"project_id": []string{projectID}}
-				if ctx.Arg("dry-run") == "true" {
-					return ctx.OutputData(map[string]interface{}{
-						"dry_run": true,
-						"action":  "delete_repository_topic",
-						"method":  "DELETE",
-						"path":    path,
-						"query":   q,
-					})
-				}
-				env, err := ctx.CallAPIWithQuery("DELETE", path, q)
-				if err != nil {
-					return err
-				}
-				return ctx.Output(env)
+				return runRepoFollowAction(ctx, "POST", "/watchers/follow", "follow")
 			},
 		},
 		{
-			Name:        "transfer-orgs",
-			Description: "List organizations available for repository transfer",
+			Name:        "unfollow",
+			Description: "Unfollow a repository",
+			Flags:       repoInteractionFlags(),
 			Run: func(ctx *common.RuntimeContext) error {
-				if err := ctx.ResolveOwnerRepo(); err != nil {
-					return err
-				}
-				env, err := ctx.CallAPI("GET", ctx.RepoPath()+"/applied_transfer_projects/organizations", nil)
-				if err != nil {
-					return err
-				}
-				return ctx.Output(env)
+				return runRepoFollowAction(ctx, "DELETE", "/watchers/unfollow", "unfollow")
 			},
 		},
 		{
-			Name:        "transfer",
-			Description: "Transfer a repository to another owner",
-			Flags: []common.Flag{
-				{Name: "owner-name", Usage: "Target owner login or organization name", Required: true},
-				{Name: "dry-run", Usage: "Preview the transfer request without changing ownership", Bool: true, Default: "false"},
-			},
+			Name:        "like",
+			Description: "Like a repository",
+			Flags:       repoInteractionFlags(),
 			Run: func(ctx *common.RuntimeContext) error {
-				if err := ctx.ResolveOwnerRepo(); err != nil {
-					return err
-				}
-				ownerName, err := ctx.RequireArg("owner-name")
-				if err != nil {
-					return err
-				}
-				payload := map[string]interface{}{"owner_name": ownerName}
-				path := ctx.RepoPath() + "/applied_transfer_projects"
-				if ctx.Arg("dry-run") == "true" {
-					return ctx.OutputData(map[string]interface{}{
-						"repository": fmt.Sprintf("%s/%s", ctx.Owner, ctx.Repo),
-						"dry_run":    true,
-						"action":     "transfer_repository",
-						"method":     "POST",
-						"path":       path,
-						"payload":    payload,
-					})
-				}
-				env, err := ctx.CallAPI("POST", path, payload)
-				if err != nil {
-					return err
-				}
-				return ctx.Output(env)
+				return runRepoPraiseAction(ctx, "POST", "like")
 			},
 		},
 		{
-			Name:        "transfer-cancel",
-			Description: "Cancel a pending repository transfer",
-			Flags: []common.Flag{
-				{Name: "dry-run", Usage: "Preview the cancel request without changing transfer state", Bool: true, Default: "false"},
-			},
+			Name:        "unlike",
+			Description: "Unlike a repository",
+			Flags:       repoInteractionFlags(),
 			Run: func(ctx *common.RuntimeContext) error {
-				if err := ctx.ResolveOwnerRepo(); err != nil {
-					return err
-				}
-				path := ctx.RepoPath() + "/applied_transfer_projects/cancel"
-				if ctx.Arg("dry-run") == "true" {
-					return ctx.OutputData(map[string]interface{}{
-						"repository": fmt.Sprintf("%s/%s", ctx.Owner, ctx.Repo),
-						"dry_run":    true,
-						"action":     "cancel_repository_transfer",
-						"method":     "POST",
-						"path":       path,
-					})
-				}
-				env, err := ctx.CallAPI("POST", path, nil)
-				if err != nil {
-					return err
-				}
-				return ctx.Output(env)
+				return runRepoPraiseAction(ctx, "DELETE", "unlike")
 			},
 		},
 		{
@@ -415,41 +236,240 @@ func shortcutTranslator(translators ...*i18n.Translator) *i18n.Translator {
 	return i18n.Default()
 }
 
-func parseCSVArg(value, flagName string) ([]string, error) {
-	parts := strings.Split(value, ",")
-	result := make([]string, 0, len(parts))
-	seen := map[string]bool{}
-	for _, part := range parts {
-		item := strings.TrimSpace(part)
-		if item == "" {
-			continue
-		}
-		if seen[item] {
-			continue
-		}
-		seen[item] = true
-		result = append(result, item)
+func runLanguages(ctx *common.RuntimeContext) error {
+	if err := ctx.ResolveOwnerRepo(); err != nil {
+		return err
 	}
-	if len(result) == 0 {
-		return nil, fmt.Errorf("%s must include at least one value", flagName)
-	}
-	return result, nil
-}
-
-func requiredPositiveIntArg(ctx *common.RuntimeContext, flagName string) (int, error) {
-	value, err := ctx.RequireArg(flagName)
+	env, err := ctx.CallAPI("GET", ctx.RepoPath()+"/languages", nil)
 	if err != nil {
-		return 0, err
+		return err
 	}
-	id, err := strconv.Atoi(value)
-	if err != nil || id <= 0 {
-		return 0, fmt.Errorf("--%s must be a positive integer", flagName)
-	}
-	return id, nil
+	return ctx.Output(env)
 }
 
-func setQueryIfPresent(q url.Values, ctx *common.RuntimeContext, flagName, queryName string) {
-	if value := ctx.Arg(flagName); value != "" {
-		q.Set(queryName, value)
+func runContributors(ctx *common.RuntimeContext) error {
+	if err := ctx.ResolveOwnerRepo(); err != nil {
+		return err
+	}
+	env, err := ctx.CallAPI("GET", ctx.RepoPath()+"/contributors", nil)
+	if err != nil {
+		return err
+	}
+	return ctx.Output(env)
+}
+
+func runContributorStats(ctx *common.RuntimeContext) error {
+	if err := ctx.ResolveOwnerRepo(); err != nil {
+		return err
+	}
+	q := url.Values{}
+	setRepoQueryIfPresent(q, "ref", ctx.Arg("ref"))
+	if passYear := ctx.Arg("pass-year"); strings.TrimSpace(passYear) != "" {
+		year, err := parseRepoPositiveInt(passYear, "pass-year")
+		if err != nil {
+			return err
+		}
+		q.Set("pass_year", strconv.Itoa(year))
+	}
+	env, err := ctx.CallAPIWithQuery("GET", "/v1"+ctx.RepoPath()+"/contributors/stat", q)
+	if err != nil {
+		return err
+	}
+	return ctx.Output(env)
+}
+
+func runCodeStats(ctx *common.RuntimeContext) error {
+	if err := ctx.ResolveOwnerRepo(); err != nil {
+		return err
+	}
+	q := url.Values{}
+	setRepoQueryIfPresent(q, "ref", ctx.Arg("ref"))
+	env, err := ctx.CallAPIWithQuery("GET", "/v1"+ctx.RepoPath()+"/code_stats", q)
+	if err != nil {
+		return err
+	}
+	return ctx.Output(env)
+}
+
+func runCommunityList(ctx *common.RuntimeContext, path string) error {
+	if err := ctx.ResolveOwnerRepo(); err != nil {
+		return err
+	}
+	q, err := communityTimeRangeQuery(ctx)
+	if err != nil {
+		return err
+	}
+	env, err := ctx.CallAPIWithQuery("GET", ctx.RepoPath()+"/"+path, q)
+	if err != nil {
+		return err
+	}
+	return ctx.Output(env)
+}
+
+func communityListFlags() []common.Flag {
+	return []common.Flag{
+		{Name: "start-at", Usage: "Start timestamp"},
+		{Name: "end-at", Usage: "End timestamp"},
 	}
 }
+
+func repoInteractionFlags() []common.Flag {
+	return []common.Flag{
+		{Name: "project-id", Usage: "GitLink project ID. If omitted, it is resolved from --owner/--repo."},
+		{Name: "dry-run", Usage: "Preview the action without changing repository state", Bool: true, Default: "false"},
+	}
+}
+
+func runRepoFollowAction(ctx *common.RuntimeContext, method, path, action string) error {
+	if err := ctx.ResolveOwnerRepo(); err != nil {
+		return err
+	}
+	projectID, err := resolveRepoProjectID(ctx)
+	if err != nil {
+		return err
+	}
+	query := url.Values{}
+	query.Set("target_type", "project")
+	query.Set("id", projectID)
+	if ctx.Arg("dry-run") == "true" {
+		return repoInteractionDryRun(ctx, method, path, action, projectID, query)
+	}
+	env, err := ctx.CallAPIWithQuery(method, path, query)
+	if err != nil {
+		return err
+	}
+	return ctx.Output(env)
+}
+
+func runRepoPraiseAction(ctx *common.RuntimeContext, method, action string) error {
+	if err := ctx.ResolveOwnerRepo(); err != nil {
+		return err
+	}
+	projectID, err := resolveRepoProjectID(ctx)
+	if err != nil {
+		return err
+	}
+	path := fmt.Sprintf("/projects/%s/praise_tread/%s", projectID, action)
+	if ctx.Arg("dry-run") == "true" {
+		return repoInteractionDryRun(ctx, method, path, action, projectID, nil)
+	}
+	env, err := ctx.CallAPI(method, path, nil)
+	if err != nil {
+		return err
+	}
+	return ctx.Output(env)
+}
+
+func repoInteractionDryRun(ctx *common.RuntimeContext, method, path, action, projectID string, query url.Values) error {
+	preview := map[string]interface{}{
+		"dry_run":    true,
+		"action":     action,
+		"method":     method,
+		"path":       path,
+		"repository": fmt.Sprintf("%s/%s", ctx.Owner, ctx.Repo),
+		"project_id": projectID,
+	}
+	if len(query) > 0 {
+		preview["query"] = query.Encode()
+	}
+	return ctx.OutputData(preview)
+}
+
+func resolveRepoProjectID(ctx *common.RuntimeContext) (string, error) {
+	if raw := strings.TrimSpace(ctx.Arg("project-id")); raw != "" {
+		return normalizeRepoProjectID(raw)
+	}
+	env, err := ctx.CallAPI("GET", ctx.RepoPath(), nil)
+	if err != nil {
+		return "", fmt.Errorf("resolve project id: %w", err)
+	}
+	data, ok := env.Data.(map[string]interface{})
+	if !ok {
+		return "", fmt.Errorf("resolve project id: unexpected repository response")
+	}
+	for _, key := range []string{"id", "project_id"} {
+		if id := repoProjectIDString(data[key]); id != "" {
+			return id, nil
+		}
+	}
+	return "", fmt.Errorf("resolve project id: repository response did not include id")
+}
+
+func normalizeRepoProjectID(value string) (string, error) {
+	value = strings.TrimSpace(value)
+	parsed, err := strconv.ParseInt(value, 10, 64)
+	if err != nil || parsed <= 0 {
+		return "", fmt.Errorf("invalid --project-id %q: use a positive numeric project ID", value)
+	}
+	return strconv.FormatInt(parsed, 10), nil
+}
+
+func repoProjectIDString(value interface{}) string {
+	switch v := value.(type) {
+	case float64:
+		if v > 0 {
+			return strconv.FormatInt(int64(v), 10)
+		}
+	case int:
+		if v > 0 {
+			return strconv.Itoa(v)
+		}
+	case int64:
+		if v > 0 {
+			return strconv.FormatInt(v, 10)
+		}
+	case string:
+		id, err := normalizeRepoProjectID(v)
+		if err == nil {
+			return id
+		}
+	}
+	return ""
+}
+
+func communityTimeRangeQuery(ctx *common.RuntimeContext) (url.Values, error) {
+	q := url.Values{}
+	start, hasStart, err := parseOptionalRepoNonNegativeInt(ctx.Arg("start-at"), "start-at")
+	if err != nil {
+		return nil, err
+	}
+	end, hasEnd, err := parseOptionalRepoNonNegativeInt(ctx.Arg("end-at"), "end-at")
+	if err != nil {
+		return nil, err
+	}
+	if hasStart {
+		q.Set("start_at", strconv.Itoa(start))
+	}
+	if hasEnd {
+		q.Set("end_at", strconv.Itoa(end))
+	}
+	if hasStart && hasEnd && start > end {
+		return nil, fmt.Errorf("--start-at must be less than or equal to --end-at")
+	}
+	return q, nil
+}
+
+func setRepoQueryIfPresent(q url.Values, key, value string) {
+	if value := strings.TrimSpace(value); value != "" {
+		q.Set(key, value)
+	}
+}
+
+func parseOptionalRepoNonNegativeInt(value, name string) (int, bool, error) {
+	if strings.TrimSpace(value) == "" {
+		return 0, false, nil
+	}
+	parsed, err := strconv.Atoi(strings.TrimSpace(value))
+	if err != nil || parsed < 0 {
+		return 0, false, fmt.Errorf("invalid --%s %q: use a non-negative integer", name, value)
+	}
+	return parsed, true, nil
+}
+
+func parseRepoPositiveInt(value, name string) (int, error) {
+	parsed, err := strconv.Atoi(strings.TrimSpace(value))
+	if err != nil || parsed <= 0 {
+		return 0, fmt.Errorf("invalid --%s %q: use a positive integer", name, value)
+	}
+	return parsed, nil
+}
diff --git a/shortcuts/repo/repo_test.go b/shortcuts/repo/repo_test.go
index e3e5edd..f3c1a35 100644
--- a/shortcuts/repo/repo_test.go
+++ b/shortcuts/repo/repo_test.go
@@ -2,9 +2,9 @@ package repo
 
 import (
 	"encoding/json"
+	"fmt"
 	"net/http"
 	"net/http/httptest"
-	"reflect"
 	"testing"
 
 	"github.com/gitlink-org/gitlink-cli/internal/client"
@@ -110,7 +110,7 @@ func TestRepoListWithCategory(t *testing.T) {
 	}
 }
 
-// --- info/read metadata ---
+// --- info/readme/insights ---
 
 func TestRepoInfo(t *testing.T) {
 	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
@@ -130,123 +130,199 @@ func TestRepoInfo(t *testing.T) {
 	}
 }
 
-func TestRepoMetadataShortcuts(t *testing.T) {
-	tests := []struct {
-		name string
-		path string
-	}{
-		{name: "detail", path: "/owner/repo/detail.json"},
-		{name: "simple", path: "/owner/repo/simple.json"},
-		{name: "settings", path: "/owner/repo/edit.json"},
-		{name: "units", path: "/owner/repo/project_units.json"},
-		{name: "transfer-orgs", path: "/owner/repo/applied_transfer_projects/organizations.json"},
-	}
-
-	for _, tc := range tests {
-		t.Run(tc.name, func(t *testing.T) {
-			server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-				assertRepoRequest(t, r, "GET", tc.path)
-				writeJSON(t, w, map[string]interface{}{"status": 0})
-			}))
-			defer server.Close()
-
-			if err := runShortcut(t, server, tc.name, nil); err != nil {
-				t.Fatalf("%s shortcut failed: %v", tc.name, err)
-			}
+func TestRepoReadmeUsesRepositoryReadmeEndpoint(t *testing.T) {
+	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		assertRequest(t, r, "GET", "/owner/repo/readme.json")
+		assertEqual(t, r.URL.Query().Get("ref"), "main")
+		assertEqual(t, r.URL.Query().Get("filepath"), "docs")
+		writeJSON(t, w, map[string]interface{}{
+			"type":    "file",
+			"name":    "README.md",
+			"content": "# docs\n",
 		})
-	}
-}
-
-func TestRepoUnitsUpdatePayload(t *testing.T) {
-	var payload map[string]interface{}
-	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-		assertRepoRequest(t, r, "POST", "/owner/repo/project_units.json")
-		payload = decodeRepoJSON(t, r)
-		writeJSON(t, w, map[string]interface{}{"status": 0})
 	}))
 	defer server.Close()
 
-	err := runShortcut(t, server, "units-update", map[string]string{"units": "code,issues,code,wiki"})
-	if err != nil {
-		t.Fatalf("units-update shortcut failed: %v", err)
-	}
-	assertRepoStringSlice(t, payload["unit_types"], []string{"code", "issues", "wiki"})
-}
-
-func TestRepoTopics(t *testing.T) {
-	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-		assertRepoRequest(t, r, "GET", "/v1/project_topics.json")
-		assertRepoQuery(t, r, "keyword", "go")
-		writeJSON(t, w, map[string]interface{}{"total_count": 0, "project_topics": []interface{}{}})
-	}))
-	defer server.Close()
-
-	if err := runShortcut(t, server, "topics", map[string]string{"keyword": "go"}); err != nil {
-		t.Fatalf("topics shortcut failed: %v", err)
-	}
-}
-
-func TestRepoTopicAddPayload(t *testing.T) {
-	var payload map[string]interface{}
-	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-		assertRepoRequest(t, r, "POST", "/v1/project_topics.json")
-		payload = decodeRepoJSON(t, r)
-		writeJSON(t, w, map[string]interface{}{"status": 0})
-	}))
-	defer server.Close()
-
-	err := runShortcut(t, server, "topic-add", map[string]string{
-		"project-id": "17",
-		"name":       "go",
+	err := runShortcut(t, server, "readme", map[string]string{
+		"ref":  "main",
+		"path": "docs",
 	})
 	if err != nil {
-		t.Fatalf("topic-add shortcut failed: %v", err)
+		t.Fatalf("readme shortcut failed: %v", err)
 	}
-	assertRepoEqual(t, payload["project_id"], float64(17))
-	assertRepoEqual(t, payload["name"], "go")
 }
 
-func TestRepoTopicDelete(t *testing.T) {
+func TestRepoLanguagesUsesLanguagesEndpoint(t *testing.T) {
 	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-		assertRepoRequest(t, r, "DELETE", "/v1/project_topics/8.json")
-		assertRepoQuery(t, r, "project_id", "17")
-		writeJSON(t, w, map[string]interface{}{"status": 0})
+		assertRequest(t, r, "GET", "/owner/repo/languages.json")
+		writeJSON(t, w, map[string]interface{}{"Go": "92.4%", "Shell": "7.6%"})
 	}))
 	defer server.Close()
 
-	err := runShortcut(t, server, "topic-delete", map[string]string{
-		"id":         "8",
-		"project-id": "17",
+	if err := runShortcut(t, server, "languages", nil); err != nil {
+		t.Fatalf("languages shortcut failed: %v", err)
+	}
+}
+
+func TestRepoContributorsUsesContributorsEndpoint(t *testing.T) {
+	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		assertRequest(t, r, "GET", "/owner/repo/contributors.json")
+		writeJSON(t, w, map[string]interface{}{"total_count": 1, "list": []interface{}{}})
+	}))
+	defer server.Close()
+
+	if err := runShortcut(t, server, "contributors", nil); err != nil {
+		t.Fatalf("contributors shortcut failed: %v", err)
+	}
+}
+
+func TestRepoContributorStatsBuildsQuery(t *testing.T) {
+	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		assertRequest(t, r, "GET", "/v1/owner/repo/contributors/stat.json")
+		assertEqual(t, r.URL.Query().Get("ref"), "main")
+		assertEqual(t, r.URL.Query().Get("pass_year"), "2")
+		writeJSON(t, w, map[string]interface{}{"total_count": 1, "contributors": []interface{}{}})
+	}))
+	defer server.Close()
+
+	err := runShortcut(t, server, "contributor-stats", map[string]string{
+		"ref":       " main ",
+		"pass-year": "2",
 	})
 	if err != nil {
-		t.Fatalf("topic-delete shortcut failed: %v", err)
+		t.Fatalf("contributor-stats shortcut failed: %v", err)
 	}
 }
 
-func TestRepoTransferPayload(t *testing.T) {
-	var payload map[string]interface{}
+func TestRepoCodeStatsUsesRefQuery(t *testing.T) {
 	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-		assertRepoRequest(t, r, "POST", "/owner/repo/applied_transfer_projects.json")
-		payload = decodeRepoJSON(t, r)
-		writeJSON(t, w, map[string]interface{}{"id": 1})
+		assertRequest(t, r, "GET", "/v1/owner/repo/code_stats.json")
+		assertEqual(t, r.URL.Query().Get("ref"), "release/v1")
+		writeJSON(t, w, map[string]interface{}{"author_count": 1, "commit_count": 3})
 	}))
 	defer server.Close()
 
-	if err := runShortcut(t, server, "transfer", map[string]string{"owner-name": "target-org"}); err != nil {
-		t.Fatalf("transfer shortcut failed: %v", err)
+	if err := runShortcut(t, server, "code-stats", map[string]string{"ref": "release/v1"}); err != nil {
+		t.Fatalf("code-stats shortcut failed: %v", err)
 	}
-	assertRepoEqual(t, payload["owner_name"], "target-org")
 }
 
-func TestRepoTransferCancel(t *testing.T) {
+func TestRepoWatchersBuildsTimeRangeQuery(t *testing.T) {
 	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-		assertRepoRequest(t, r, "POST", "/owner/repo/applied_transfer_projects/cancel.json")
-		writeJSON(t, w, map[string]interface{}{"status": 0})
+		assertRequest(t, r, "GET", "/owner/repo/watchers.json")
+		assertEqual(t, r.URL.Query().Get("start_at"), "1714521600")
+		assertEqual(t, r.URL.Query().Get("end_at"), "1717200000")
+		writeJSON(t, w, map[string]interface{}{"count": 1, "users": []interface{}{}})
 	}))
 	defer server.Close()
 
-	if err := runShortcut(t, server, "transfer-cancel", nil); err != nil {
-		t.Fatalf("transfer-cancel shortcut failed: %v", err)
+	err := runShortcut(t, server, "watchers", map[string]string{
+		"start-at": "1714521600",
+		"end-at":   "1717200000",
+	})
+	if err != nil {
+		t.Fatalf("watchers shortcut failed: %v", err)
+	}
+}
+
+func TestRepoStargazersUsesStargazersEndpoint(t *testing.T) {
+	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		assertRequest(t, r, "GET", "/owner/repo/stargazers.json")
+		writeJSON(t, w, map[string]interface{}{"count": 0, "users": []interface{}{}})
+	}))
+	defer server.Close()
+
+	if err := runShortcut(t, server, "stargazers", nil); err != nil {
+		t.Fatalf("stargazers shortcut failed: %v", err)
+	}
+}
+
+func TestRepoFollowResolvesProjectID(t *testing.T) {
+	requests := 0
+	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		requests++
+		switch requests {
+		case 1:
+			assertRequest(t, r, "GET", "/owner/repo.json")
+			writeJSON(t, w, map[string]interface{}{"id": float64(123)})
+		case 2:
+			assertRequest(t, r, "POST", "/watchers/follow.json")
+			assertEqual(t, r.URL.Query().Get("target_type"), "project")
+			assertEqual(t, r.URL.Query().Get("id"), "123")
+			writeJSON(t, w, map[string]interface{}{"status": 0, "message": "success", "watched": true})
+		default:
+			t.Fatalf("unexpected extra request: %s %s", r.Method, r.URL.Path)
+		}
+	}))
+	defer server.Close()
+
+	if err := runShortcut(t, server, "follow", nil); err != nil {
+		t.Fatalf("follow shortcut failed: %v", err)
+	}
+	assertEqual(t, requests, 2)
+}
+
+func TestRepoUnfollowUsesExplicitProjectID(t *testing.T) {
+	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		assertRequest(t, r, "DELETE", "/watchers/unfollow.json")
+		assertEqual(t, r.URL.Query().Get("target_type"), "project")
+		assertEqual(t, r.URL.Query().Get("id"), "456")
+		writeJSON(t, w, map[string]interface{}{"status": 0, "message": "success", "watched": false})
+	}))
+	defer server.Close()
+
+	if err := runShortcut(t, server, "unfollow", map[string]string{"project-id": "456"}); err != nil {
+		t.Fatalf("unfollow shortcut failed: %v", err)
+	}
+}
+
+func TestRepoLikeUsesExplicitProjectID(t *testing.T) {
+	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		assertRequest(t, r, "POST", "/projects/456/praise_tread/like.json")
+		writeJSON(t, w, map[string]interface{}{"status": 0, "message": "success"})
+	}))
+	defer server.Close()
+
+	if err := runShortcut(t, server, "like", map[string]string{"project-id": "456"}); err != nil {
+		t.Fatalf("like shortcut failed: %v", err)
+	}
+}
+
+func TestRepoUnlikeResolvesStringProjectID(t *testing.T) {
+	requests := 0
+	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		requests++
+		switch requests {
+		case 1:
+			assertRequest(t, r, "GET", "/owner/repo.json")
+			writeJSON(t, w, map[string]interface{}{"project_id": "789"})
+		case 2:
+			assertRequest(t, r, "DELETE", "/projects/789/praise_tread/unlike.json")
+			writeJSON(t, w, map[string]interface{}{"status": 0, "message": "success"})
+		default:
+			t.Fatalf("unexpected extra request: %s %s", r.Method, r.URL.Path)
+		}
+	}))
+	defer server.Close()
+
+	if err := runShortcut(t, server, "unlike", nil); err != nil {
+		t.Fatalf("unlike shortcut failed: %v", err)
+	}
+	assertEqual(t, requests, 2)
+}
+
+func TestRepoInteractionDryRunDoesNotCallAPIWithExplicitProjectID(t *testing.T) {
+	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		t.Fatalf("dry-run with explicit project-id should not call API, got: %s %s", r.Method, r.URL.Path)
+	}))
+	defer server.Close()
+
+	err := runShortcut(t, server, "like", map[string]string{
+		"project-id": "456",
+		"dry-run":    "true",
+	})
+	if err != nil {
+		t.Fatalf("dry-run shortcut failed: %v", err)
 	}
 }
 
@@ -346,46 +422,52 @@ func TestRepoCreateWithOptions(t *testing.T) {
 	}
 }
 
-// --- validation/dry-run/error paths ---
+// --- validation/error paths ---
 
-func TestRepoDryRunDoesNotCallAPI(t *testing.T) {
-	dryRunCases := []struct {
-		name string
-		args map[string]string
-	}{
-		{name: "units-update", args: map[string]string{"units": "code,issues", "dry-run": "true"}},
-		{name: "topic-add", args: map[string]string{"project-id": "17", "name": "go", "dry-run": "true"}},
-		{name: "topic-delete", args: map[string]string{"id": "8", "project-id": "17", "dry-run": "true"}},
-		{name: "transfer", args: map[string]string{"owner-name": "target-org", "dry-run": "true"}},
-		{name: "transfer-cancel", args: map[string]string{"dry-run": "true"}},
-	}
-
-	for _, tc := range dryRunCases {
-		t.Run(tc.name, func(t *testing.T) {
-			server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-				t.Fatalf("dry-run should not call API, got %s %s", r.Method, r.URL.Path)
-			}))
-			defer server.Close()
-
-			if err := runShortcut(t, server, tc.name, tc.args); err != nil {
-				t.Fatalf("%s dry-run failed: %v", tc.name, err)
-			}
-		})
-	}
-}
-
-func TestRepoTopicAddRejectsInvalidProjectID(t *testing.T) {
+func TestRepoInsightValidation(t *testing.T) {
 	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-		t.Fatalf("invalid project id should not call API, got %s %s", r.Method, r.URL.Path)
+		t.Fatalf("invalid input should not call API, got: %s %s", r.Method, r.URL.Path)
 	}))
 	defer server.Close()
 
-	err := runShortcut(t, server, "topic-add", map[string]string{
-		"project-id": "abc",
-		"name":       "go",
-	})
-	if err == nil {
-		t.Fatal("expected invalid project id to return an error")
+	cases := []struct {
+		name     string
+		shortcut string
+		args     map[string]string
+	}{
+		{
+			name:     "invalid pass year",
+			shortcut: "contributor-stats",
+			args:     map[string]string{"pass-year": "0"},
+		},
+		{
+			name:     "invalid start timestamp",
+			shortcut: "watchers",
+			args:     map[string]string{"start-at": "abc"},
+		},
+		{
+			name:     "start after end",
+			shortcut: "stargazers",
+			args:     map[string]string{"start-at": "20", "end-at": "10"},
+		},
+		{
+			name:     "invalid project id",
+			shortcut: "follow",
+			args:     map[string]string{"project-id": "repo"},
+		},
+		{
+			name:     "negative project id",
+			shortcut: "unlike",
+			args:     map[string]string{"project-id": "-1"},
+		},
+	}
+
+	for _, tc := range cases {
+		t.Run(tc.name, func(t *testing.T) {
+			if err := runShortcut(t, server, tc.shortcut, tc.args); err == nil {
+				t.Fatal("expected validation error")
+			}
+		})
 	}
 }
 
@@ -473,51 +555,16 @@ func TestRepoCreateUserNoLogin(t *testing.T) {
 	}
 }
 
-func assertRepoRequest(t *testing.T, r *http.Request, method, path string) {
+func assertRequest(t *testing.T, r *http.Request, method, path string) {
 	t.Helper()
 	if r.Method != method || r.URL.Path != path {
-		t.Fatalf("got request %s %s, want %s %s", r.Method, r.URL.Path, method, path)
+		t.Fatalf("unexpected request: %s %s", r.Method, r.URL.Path)
 	}
 }
 
-func assertRepoQuery(t *testing.T, r *http.Request, key, want string) {
+func assertEqual(t *testing.T, got interface{}, want interface{}) {
 	t.Helper()
-	if got := r.URL.Query().Get(key); got != want {
-		t.Fatalf("query %s = %q, want %q", key, got, want)
-	}
-}
-
-func decodeRepoJSON(t *testing.T, r *http.Request) map[string]interface{} {
-	t.Helper()
-	var payload map[string]interface{}
-	if err := json.NewDecoder(r.Body).Decode(&payload); err != nil {
-		t.Fatalf("failed to decode request body: %v", err)
-	}
-	return payload
-}
-
-func assertRepoEqual(t *testing.T, got interface{}, want interface{}) {
-	t.Helper()
-	if !reflect.DeepEqual(got, want) {
+	if fmt.Sprintf("%v", got) != fmt.Sprintf("%v", want) {
 		t.Fatalf("got %v (%T), want %v (%T)", got, got, want, want)
 	}
 }
-
-func assertRepoStringSlice(t *testing.T, got interface{}, want []string) {
-	t.Helper()
-	values, ok := got.([]interface{})
-	if !ok {
-		t.Fatalf("got %T, want []interface{}", got)
-	}
-	result := make([]string, 0, len(values))
-	for _, value := range values {
-		text, ok := value.(string)
-		if !ok {
-			t.Fatalf("got value %v (%T), want string", value, value)
-		}
-		result = append(result, text)
-	}
-	if !reflect.DeepEqual(result, want) {
-		t.Fatalf("got %v, want %v", result, want)
-	}
-}
diff --git a/skills/README.md b/skills/README.md
index a6e61a7..c7f2a23 100644
--- a/skills/README.md
+++ b/skills/README.md
@@ -1,6 +1,6 @@
 # GitLink CLI Skills 指南
 
-[![GitLink](https://img.shields.io/badge/GitLink-Gitlink%2Fgitlink--cli-green)](https://www.gitlink.org.cn/Gitlink/gitlink-cli)
+[![GitLink](https://img.shields.io/badge/GitLink-wbtiger%2Fgitlink--cli-green)](https://www.gitlink.org.cn/wbtiger/gitlink-cli)
 
 欢迎使用 GitLink CLI Skills！本指南帮助你快速上手和充分利用 gitlink-cli 的所有功能。
 
@@ -134,7 +134,7 @@ skills/
 | Skill | 说明 | 常用命令 |
 |-------|------|----------|
 | **gitlink-shared** | 认证、全局参数、API 参考、安全规则、分支约定 | `auth login`, `auth status` |
-| **gitlink-repo** | 仓库管理 | `repo +list`, `repo +create`, `repo +settings`, `repo +topics`, `repo +transfer` |
+| **gitlink-repo** | 仓库管理与洞察 | `repo +list`, `repo +info`, `repo +languages`, `repo +contributors`, `repo +code-stats`, `repo +follow`, `repo +like` |
 | **gitlink-issue** | Issue 管理 | `issue +create`, `issue +list`, `issue +view`, `issue +close`, `issue +batch-close` |
 | **gitlink-pr** | Pull Request | `pr +list`, `pr +create`, `pr +view`, `pr +merge`, `pr +versions`, `pr +version-diff`, `pr +reviews`, `pr +review` |
 | **gitlink-member** | 仓库成员管理 | `member +list`, `member +add`, `member +batch-add`, `member +role`, `member +invite-link` |
@@ -153,7 +153,6 @@ skills/
 | **gitlink-pm** | 项目管理 | 通过 Raw API 访问 |
 | **gitlink-workflow** | AI 工作流 | Issue 分类、PR Review、Release Notes |
 | **gitlink-health** | 开源项目健康度 | 详情见SKILL.md |
-| **gitlink-gatekeeper** | Policy-as-Code PR 合并门禁：按 `gatekeeper.yaml` 策略算 0-100 评分卡 + 三态裁决（PASS/REQUEST_CHANGES/COMMENT），默认 dry-run、绝不自动合并 | `pr +view/+files/+diff`, `pr +comment`, `label +create` |
 
 ---
 
diff --git a/skills/gitlink-repo/SKILL.md b/skills/gitlink-repo/SKILL.md
index fd6714e..bdd75c9 100644
--- a/skills/gitlink-repo/SKILL.md
+++ b/skills/gitlink-repo/SKILL.md
@@ -1,7 +1,7 @@
 ---
 name: gitlink-repo
 version: 1.0.0
-description: "仓库管理：创建、查看、Fork、删除仓库，管理设置、Topics、导航和迁移。当用户需要操作 GitLink 仓库时触发。"
+description: "仓库管理：创建、查看、Fork、删除仓库，查看 README、语言统计、贡献者、关注者，并执行关注/点赞等互动操作。当用户需要操作或分析 GitLink 仓库时触发。"
 metadata:
   requires:
     bins: ["gitlink-cli"]
@@ -22,17 +22,17 @@ metadata:
 |----------|------|----------|
 | `repo +list` | 仓库列表 | 否（公开项目） |
 | `repo +info` | 仓库详情 | 否（公开项目） |
-| `repo +detail` | 仓库详情元数据 | 否（公开项目） |
-| `repo +simple` | 仓库简版元数据 | 否（公开项目） |
-| `repo +settings` | 仓库设置元数据 | 是 |
-| `repo +units` | 仓库导航配置 | 是 |
-| `repo +units-update` | 更新仓库导航配置 | 是 |
-| `repo +topics` | 项目 Topic 标签列表 | 否 |
-| `repo +topic-add` | 添加项目 Topic 标签 | 是 |
-| `repo +topic-delete` | 删除项目 Topic 标签 | 是 |
-| `repo +transfer-orgs` | 可迁移组织列表 | 是 |
-| `repo +transfer` | 发起仓库迁移 | 是 |
-| `repo +transfer-cancel` | 取消仓库迁移 | 是 |
+| `repo +readme` | README 内容 | 否（公开项目） |
+| `repo +languages` | 仓库语言统计 | 否（公开项目） |
+| `repo +contributors` | 仓库贡献者列表 | 否（公开项目） |
+| `repo +contributor-stats` | 贡献者代码行统计 | 否（公开项目） |
+| `repo +code-stats` | 仓库代码统计 | 否（公开项目） |
+| `repo +watchers` | 关注者列表 | 否（公开项目） |
+| `repo +stargazers` | 点赞者列表 | 否（公开项目） |
+| `repo +follow` | 关注仓库 | 是 |
+| `repo +unfollow` | 取消关注仓库 | 是 |
+| `repo +like` | 点赞仓库 | 是 |
+| `repo +unlike` | 取消点赞仓库 | 是 |
 | `repo +create` | 创建仓库 | 是 |
 | `repo +fork` | Fork 仓库 | 是 |
 | `repo +delete` | 删除仓库 | 是 |
@@ -50,28 +50,31 @@ gitlink-cli repo +info
 # 列出用户的仓库
 gitlink-cli repo +list --user zhangsan
 
+# 查看语言占比和贡献者
+gitlink-cli repo +languages --owner Gitlink --repo forgeplus
+gitlink-cli repo +contributors --owner Gitlink --repo forgeplus
+
+# 查看代码统计
+gitlink-cli repo +contributor-stats --owner Gitlink --repo forgeplus --ref master --pass-year 1
+gitlink-cli repo +code-stats --owner Gitlink --repo forgeplus --ref master
+
+# 查看社区关注数据
+gitlink-cli repo +watchers --owner Gitlink --repo forgeplus --start-at 1714521600 --end-at 1717200000
+gitlink-cli repo +stargazers --owner Gitlink --repo forgeplus --start-at 1714521600 --end-at 1717200000
+
+# 预览并执行仓库互动操作
+gitlink-cli repo +follow --owner Gitlink --repo forgeplus --dry-run
+gitlink-cli repo +follow --owner Gitlink --repo forgeplus
+gitlink-cli repo +unfollow --owner Gitlink --repo forgeplus --project-id 123
+gitlink-cli repo +like --owner Gitlink --repo forgeplus
+gitlink-cli repo +unlike --owner Gitlink --repo forgeplus --project-id 123
+
 # 创建仓库
 gitlink-cli repo +create --name my-project --description "项目描述"
 
 # Fork 仓库
 gitlink-cli repo +fork --owner Gitlink --repo forgeplus
 
-# 查看仓库设置、导航和主题
-gitlink-cli repo +detail --owner Gitlink --repo forgeplus
-gitlink-cli repo +settings --owner Gitlink --repo forgeplus
-gitlink-cli repo +units --owner Gitlink --repo forgeplus
-gitlink-cli repo +topics --keyword go
-
-# 更新导航和 Topics，写入前先 dry-run
-gitlink-cli repo +units-update --owner Gitlink --repo forgeplus --units code,issues,pulls,wiki --dry-run
-gitlink-cli repo +topic-add --project-id 17 --name go --dry-run
-gitlink-cli repo +topic-delete --project-id 17 --id 8 --dry-run
-
-# 仓库迁移，写入前先 dry-run
-gitlink-cli repo +transfer-orgs --owner Gitlink --repo forgeplus
-gitlink-cli repo +transfer --owner Gitlink --repo forgeplus --owner-name target-org --dry-run
-gitlink-cli repo +transfer-cancel --owner Gitlink --repo forgeplus --dry-run
-
 # 删除仓库（⚠️ 危险操作）
 gitlink-cli repo +delete --owner myuser --repo old-project
 ```
@@ -81,15 +84,6 @@ gitlink-cli repo +delete --owner myuser --repo old-project
 Shortcuts 未覆盖的仓库操作可用 Raw API：
 
 ```bash
-# 获取 README
-gitlink-cli api GET /:owner/:repo/readme
-
-# 获取贡献者列表
-gitlink-cli api GET /:owner/:repo/contributors
-
-# 获取语言统计
-gitlink-cli api GET /:owner/:repo/languages
-
 # 获取提交列表
 gitlink-cli api GET /:owner/:repo/commits --query 'page=1&limit=20'
 
@@ -103,6 +97,4 @@ gitlink-cli api GET /:owner/:repo/raw/main/README.md
 ## 注意事项
 
 - `repo +delete` 是不可逆操作，执行前必须确认用户意图
-- `repo +units-update`、`repo +topic-add`、`repo +topic-delete`、`repo +transfer`、`repo +transfer-cancel` 支持 `--dry-run`
-- `repo +topic-add` / `repo +topic-delete` 需要 `project_id`，可先用 `repo +detail` 获取
 - 创建仓库默认为公开，使用 `--private true` 创建私有仓库