diff --git a/cmd/hf/main.go b/cmd/hf/main.go
index faf2796..8737869 100644
--- a/cmd/hf/main.go
+++ b/cmd/hf/main.go
@@ -143,6 +143,21 @@ func handleGroup(group help.Group, args []string) {
 	case "user":
 		handleUserCommand(sub.Name, remaining)
 		return
+	case "role":
+		handleRoleCommand(sub.Name, remaining)
+		return
+	case "permission":
+		handlePermissionCommand(sub.Name, remaining)
+		return
+	case "project":
+		handleProjectCommand(sub.Name, remaining)
+		return
+	case "milestone":
+		handleMilestoneCommand(sub.Name, remaining)
+		return
+	case "task":
+		handleTaskCommand(sub.Name, remaining)
+		return
 	}
 
 	output.Errorf("hf %s %s is recognized but not implemented yet", group.Name, sub.Name)
@@ -256,3 +271,272 @@ func findSubCommand(group help.Group, name string) (help.Command, bool) {
 	}
 	return help.Command{}, false
 }
+
+func handleRoleCommand(subCmd string, args []string) {
+	tokenFlag := ""
+	var filtered []string
+	for i := 0; i < len(args); i++ {
+		switch args[i] {
+		case "--token":
+			if i+1 < len(args) {
+				i++
+				tokenFlag = args[i]
+			}
+		default:
+			filtered = append(filtered, args[i])
+		}
+	}
+
+	switch subCmd {
+	case "list":
+		commands.RunRoleList(tokenFlag)
+	case "get":
+		if len(filtered) < 1 {
+			output.Error("usage: hf role get <role-name>")
+		}
+		commands.RunRoleGet(filtered[0], tokenFlag)
+	case "create":
+		name, desc := "", ""
+		global := false
+		var remaining []string
+		for i := 0; i < len(filtered); i++ {
+			switch filtered[i] {
+			case "--name":
+				if i+1 < len(filtered) {
+					i++
+					name = filtered[i]
+				}
+			case "--desc":
+				if i+1 < len(filtered) {
+					i++
+					desc = filtered[i]
+				}
+			case "--global":
+				if i+1 < len(filtered) {
+					i++
+					global = filtered[i] == "true"
+				}
+			default:
+				remaining = append(remaining, filtered[i])
+			}
+		}
+		_ = remaining
+		if name == "" {
+			output.Error("usage: hf role create --name <role-name>")
+		}
+		commands.RunRoleCreate(name, desc, global, tokenFlag)
+	case "update":
+		if len(filtered) < 1 {
+			output.Error("usage: hf role update <role-name> [--desc ...]")
+		}
+		commands.RunRoleUpdate(filtered[0], filtered[1:], tokenFlag)
+	case "delete":
+		if len(filtered) < 1 {
+			output.Error("usage: hf role delete <role-name>")
+		}
+		commands.RunRoleDelete(filtered[0], tokenFlag)
+	case "set-permissions":
+		if len(filtered) < 1 {
+			output.Error("usage: hf role set-permissions <role-name> --permission <perm> [...]")
+		}
+		roleName := filtered[0]
+		perms := extractPermissions(filtered[1:])
+		commands.RunRoleSetPermissions(roleName, perms, tokenFlag)
+	case "add-permissions":
+		if len(filtered) < 1 {
+			output.Error("usage: hf role add-permissions <role-name> --permission <perm> [...]")
+		}
+		roleName := filtered[0]
+		perms := extractPermissions(filtered[1:])
+		commands.RunRoleAddPermissions(roleName, perms, tokenFlag)
+	case "remove-permissions":
+		if len(filtered) < 1 {
+			output.Error("usage: hf role remove-permissions <role-name> --permission <perm> [...]")
+		}
+		roleName := filtered[0]
+		perms := extractPermissions(filtered[1:])
+		commands.RunRoleRemovePermissions(roleName, perms, tokenFlag)
+	default:
+		output.Errorf("hf role %s is not implemented yet", subCmd)
+	}
+}
+
+func extractPermissions(args []string) []string {
+	var perms []string
+	for i := 0; i < len(args); i++ {
+		if args[i] == "--permission" && i+1 < len(args) {
+			i++
+			perms = append(perms, args[i])
+		}
+	}
+	return perms
+}
+
+func handlePermissionCommand(subCmd string, args []string) {
+	tokenFlag := ""
+	for i := 0; i < len(args); i++ {
+		if args[i] == "--token" && i+1 < len(args) {
+			i++
+			tokenFlag = args[i]
+		}
+	}
+
+	switch subCmd {
+	case "list":
+		commands.RunPermissionList(tokenFlag)
+	default:
+		output.Errorf("hf permission %s is not implemented yet", subCmd)
+	}
+}
+
+func handleMilestoneCommand(subCmd string, args []string) {
+	tokenFlag := ""
+	var filtered []string
+	for i := 0; i < len(args); i++ {
+		switch args[i] {
+		case "--token":
+			if i+1 < len(args) {
+				i++
+				tokenFlag = args[i]
+			}
+		default:
+			filtered = append(filtered, args[i])
+		}
+	}
+
+	switch subCmd {
+	case "list":
+		commands.RunMilestoneList(filtered, tokenFlag)
+	case "get":
+		if len(filtered) < 1 {
+			output.Error("usage: hf milestone get <milestone-code>")
+		}
+		commands.RunMilestoneGet(filtered[0], tokenFlag)
+	case "create":
+		commands.RunMilestoneCreate(filtered, tokenFlag)
+	case "update":
+		if len(filtered) < 1 {
+			output.Error("usage: hf milestone update <milestone-code> [--title ...] [--desc ...] [--status ...] [--due ...]")
+		}
+		commands.RunMilestoneUpdate(filtered[0], filtered[1:], tokenFlag)
+	case "delete":
+		if len(filtered) < 1 {
+			output.Error("usage: hf milestone delete <milestone-code>")
+		}
+		commands.RunMilestoneDelete(filtered[0], tokenFlag)
+	case "progress":
+		if len(filtered) < 1 {
+			output.Error("usage: hf milestone progress <milestone-code>")
+		}
+		commands.RunMilestoneProgress(filtered[0], tokenFlag)
+	default:
+		output.Errorf("hf milestone %s is not implemented yet", subCmd)
+	}
+}
+
+func handleTaskCommand(subCmd string, args []string) {
+	tokenFlag := ""
+	var filtered []string
+	for i := 0; i < len(args); i++ {
+		switch args[i] {
+		case "--token":
+			if i+1 < len(args) {
+				i++
+				tokenFlag = args[i]
+			}
+		default:
+			filtered = append(filtered, args[i])
+		}
+	}
+
+	switch subCmd {
+	case "list":
+		commands.RunTaskList(filtered, tokenFlag)
+	case "get":
+		if len(filtered) < 1 {
+			output.Error("usage: hf task get <task-code>")
+		}
+		commands.RunTaskGet(filtered[0], tokenFlag)
+	case "create":
+		commands.RunTaskCreate(filtered, tokenFlag)
+	case "update":
+		if len(filtered) < 1 {
+			output.Error("usage: hf task update <task-code> [--title ...] [--desc ...] [--status ...] [--priority ...] [--assignee ...]")
+		}
+		commands.RunTaskUpdate(filtered[0], filtered[1:], tokenFlag)
+	case "transition":
+		if len(filtered) < 2 {
+			output.Error("usage: hf task transition <task-code> <status>")
+		}
+		commands.RunTaskTransition(filtered[0], filtered[1], tokenFlag)
+	case "take":
+		if len(filtered) < 1 {
+			output.Error("usage: hf task take <task-code>")
+		}
+		commands.RunTaskTake(filtered[0], tokenFlag)
+	case "delete":
+		if len(filtered) < 1 {
+			output.Error("usage: hf task delete <task-code>")
+		}
+		commands.RunTaskDelete(filtered[0], tokenFlag)
+	case "search":
+		commands.RunTaskSearch(filtered, tokenFlag)
+	default:
+		output.Errorf("hf task %s is not implemented yet", subCmd)
+	}
+}
+
+func handleProjectCommand(subCmd string, args []string) {
+	tokenFlag := ""
+	var filtered []string
+	for i := 0; i < len(args); i++ {
+		switch args[i] {
+		case "--token":
+			if i+1 < len(args) {
+				i++
+				tokenFlag = args[i]
+			}
+		default:
+			filtered = append(filtered, args[i])
+		}
+	}
+
+	switch subCmd {
+	case "list":
+		commands.RunProjectList(filtered, tokenFlag)
+	case "get":
+		if len(filtered) < 1 {
+			output.Error("usage: hf project get <project-code>")
+		}
+		commands.RunProjectGet(filtered[0], tokenFlag)
+	case "create":
+		commands.RunProjectCreate(filtered, tokenFlag)
+	case "update":
+		if len(filtered) < 1 {
+			output.Error("usage: hf project update <project-code> [--name ...] [--desc ...] [--repo ...]")
+		}
+		commands.RunProjectUpdate(filtered[0], filtered[1:], tokenFlag)
+	case "delete":
+		if len(filtered) < 1 {
+			output.Error("usage: hf project delete <project-code>")
+		}
+		commands.RunProjectDelete(filtered[0], tokenFlag)
+	case "members":
+		if len(filtered) < 1 {
+			output.Error("usage: hf project members <project-code>")
+		}
+		commands.RunProjectMembers(filtered[0], tokenFlag)
+	case "add-member":
+		if len(filtered) < 1 {
+			output.Error("usage: hf project add-member <project-code> --user <username> --role <role-name>")
+		}
+		commands.RunProjectAddMember(filtered[0], filtered[1:], tokenFlag)
+	case "remove-member":
+		if len(filtered) < 1 {
+			output.Error("usage: hf project remove-member <project-code> --user <username>")
+		}
+		commands.RunProjectRemoveMember(filtered[0], filtered[1:], tokenFlag)
+	default:
+		output.Errorf("hf project %s is not implemented yet", subCmd)
+	}
+}
diff --git a/internal/commands/milestone.go b/internal/commands/milestone.go
new file mode 100644
index 0000000..dea241c
--- /dev/null
+++ b/internal/commands/milestone.go
@@ -0,0 +1,342 @@
+package commands
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+
+	"git.hangman-lab.top/zhi/HarborForge.Cli/internal/client"
+	"git.hangman-lab.top/zhi/HarborForge.Cli/internal/config"
+	"git.hangman-lab.top/zhi/HarborForge.Cli/internal/output"
+)
+
+// milestoneResponse matches the backend MilestoneResponse schema.
+type milestoneResponse struct {
+	ID          int     `json:"id"`
+	Code        string  `json:"code"`
+	Title       string  `json:"title"`
+	Description *string `json:"description"`
+	Status      string  `json:"status"`
+	DueDate     *string `json:"due_date"`
+	ProjectCode string  `json:"project_code"`
+	CreatedAt   string  `json:"created_at"`
+}
+
+// milestoneProgressResponse matches the backend progress response.
+type milestoneProgressResponse struct {
+	Code       string  `json:"code"`
+	Title      string  `json:"title"`
+	Status     string  `json:"status"`
+	TotalTasks int     `json:"total_tasks"`
+	DoneTasks  int     `json:"done_tasks"`
+	Progress   float64 `json:"progress"`
+}
+
+// RunMilestoneList implements `hf milestone list --project <project-code>`.
+func RunMilestoneList(args []string, tokenFlag string) {
+	token := ResolveToken(tokenFlag)
+
+	query := ""
+	for i := 0; i < len(args); i++ {
+		switch args[i] {
+		case "--project":
+			if i+1 >= len(args) {
+				output.Error("--project requires a value")
+			}
+			i++
+			query = appendQuery(query, "project", args[i])
+		case "--status":
+			if i+1 >= len(args) {
+				output.Error("--status requires a value")
+			}
+			i++
+			query = appendQuery(query, "status", args[i])
+		case "--order-by":
+			if i+1 >= len(args) {
+				output.Error("--order-by requires a value")
+			}
+			i++
+			query = appendQuery(query, "order_by", args[i])
+		default:
+			output.Errorf("unknown flag: %s", args[i])
+		}
+	}
+
+	cfg, err := config.Load()
+	if err != nil {
+		output.Errorf("config error: %v", err)
+	}
+	c := client.New(cfg.BaseURL, token)
+	path := "/milestones"
+	if query != "" {
+		path += "?" + query
+	}
+	data, err := c.Get(path)
+	if err != nil {
+		output.Errorf("failed to list milestones: %v", err)
+	}
+
+	if output.JSONMode {
+		var raw json.RawMessage
+		if err := json.Unmarshal(data, &raw); err != nil {
+			output.Errorf("invalid JSON response: %v", err)
+		}
+		output.PrintJSON(raw)
+		return
+	}
+
+	var milestones []milestoneResponse
+	if err := json.Unmarshal(data, &milestones); err != nil {
+		output.Errorf("cannot parse milestone list: %v", err)
+	}
+
+	headers := []string{"CODE", "TITLE", "STATUS", "DUE DATE", "PROJECT"}
+	var rows [][]string
+	for _, m := range milestones {
+		due := ""
+		if m.DueDate != nil {
+			due = *m.DueDate
+		}
+		rows = append(rows, []string{m.Code, m.Title, m.Status, due, m.ProjectCode})
+	}
+	output.PrintTable(headers, rows)
+}
+
+// RunMilestoneGet implements `hf milestone get <milestone-code>`.
+func RunMilestoneGet(milestoneCode, tokenFlag string) {
+	token := ResolveToken(tokenFlag)
+	cfg, err := config.Load()
+	if err != nil {
+		output.Errorf("config error: %v", err)
+	}
+	c := client.New(cfg.BaseURL, token)
+	data, err := c.Get("/milestones/" + milestoneCode)
+	if err != nil {
+		output.Errorf("failed to get milestone: %v", err)
+	}
+
+	if output.JSONMode {
+		var raw json.RawMessage
+		if err := json.Unmarshal(data, &raw); err != nil {
+			output.Errorf("invalid JSON response: %v", err)
+		}
+		output.PrintJSON(raw)
+		return
+	}
+
+	var m milestoneResponse
+	if err := json.Unmarshal(data, &m); err != nil {
+		output.Errorf("cannot parse milestone: %v", err)
+	}
+
+	desc := ""
+	if m.Description != nil {
+		desc = *m.Description
+	}
+	due := ""
+	if m.DueDate != nil {
+		due = *m.DueDate
+	}
+	output.PrintKeyValue(
+		"code", m.Code,
+		"title", m.Title,
+		"description", desc,
+		"status", m.Status,
+		"due-date", due,
+		"project", m.ProjectCode,
+		"created", m.CreatedAt,
+	)
+}
+
+// RunMilestoneCreate implements `hf milestone create`.
+func RunMilestoneCreate(args []string, tokenFlag string) {
+	token := ResolveToken(tokenFlag)
+
+	project, title, desc, due := "", "", "", ""
+	for i := 0; i < len(args); i++ {
+		switch args[i] {
+		case "--project":
+			if i+1 >= len(args) {
+				output.Error("--project requires a value")
+			}
+			i++
+			project = args[i]
+		case "--title":
+			if i+1 >= len(args) {
+				output.Error("--title requires a value")
+			}
+			i++
+			title = args[i]
+		case "--desc":
+			if i+1 >= len(args) {
+				output.Error("--desc requires a value")
+			}
+			i++
+			desc = args[i]
+		case "--due":
+			if i+1 >= len(args) {
+				output.Error("--due requires a value")
+			}
+			i++
+			due = args[i]
+		default:
+			output.Errorf("unknown flag: %s", args[i])
+		}
+	}
+
+	if project == "" || title == "" {
+		output.Error("usage: hf milestone create --project <project-code> --title <title>")
+	}
+
+	payload := map[string]interface{}{
+		"project_code": project,
+		"title":        title,
+	}
+	if desc != "" {
+		payload["description"] = desc
+	}
+	if due != "" {
+		payload["due_date"] = due
+	}
+
+	body, err := json.Marshal(payload)
+	if err != nil {
+		output.Errorf("cannot marshal payload: %v", err)
+	}
+
+	cfg, err := config.Load()
+	if err != nil {
+		output.Errorf("config error: %v", err)
+	}
+	c := client.New(cfg.BaseURL, token)
+	data, err := c.Post("/milestones", bytes.NewReader(body))
+	if err != nil {
+		output.Errorf("failed to create milestone: %v", err)
+	}
+
+	if output.JSONMode {
+		var raw json.RawMessage
+		if err := json.Unmarshal(data, &raw); err != nil {
+			output.Errorf("invalid JSON response: %v", err)
+		}
+		output.PrintJSON(raw)
+		return
+	}
+
+	var m milestoneResponse
+	if err := json.Unmarshal(data, &m); err != nil {
+		fmt.Printf("milestone created: %s\n", title)
+		return
+	}
+	fmt.Printf("milestone created: %s (code: %s)\n", m.Title, m.Code)
+}
+
+// RunMilestoneUpdate implements `hf milestone update <milestone-code>`.
+func RunMilestoneUpdate(milestoneCode string, args []string, tokenFlag string) {
+	token := ResolveToken(tokenFlag)
+
+	payload := make(map[string]interface{})
+	for i := 0; i < len(args); i++ {
+		switch args[i] {
+		case "--title":
+			if i+1 >= len(args) {
+				output.Error("--title requires a value")
+			}
+			i++
+			payload["title"] = args[i]
+		case "--desc":
+			if i+1 >= len(args) {
+				output.Error("--desc requires a value")
+			}
+			i++
+			payload["description"] = args[i]
+		case "--status":
+			if i+1 >= len(args) {
+				output.Error("--status requires a value")
+			}
+			i++
+			payload["status"] = args[i]
+		case "--due":
+			if i+1 >= len(args) {
+				output.Error("--due requires a value")
+			}
+			i++
+			payload["due_date"] = args[i]
+		default:
+			output.Errorf("unknown flag: %s", args[i])
+		}
+	}
+
+	if len(payload) == 0 {
+		output.Error("nothing to update — provide at least one flag")
+	}
+
+	body, err := json.Marshal(payload)
+	if err != nil {
+		output.Errorf("cannot marshal payload: %v", err)
+	}
+
+	cfg, err := config.Load()
+	if err != nil {
+		output.Errorf("config error: %v", err)
+	}
+	c := client.New(cfg.BaseURL, token)
+	_, err = c.Patch("/milestones/"+milestoneCode, bytes.NewReader(body))
+	if err != nil {
+		output.Errorf("failed to update milestone: %v", err)
+	}
+
+	fmt.Printf("milestone updated: %s\n", milestoneCode)
+}
+
+// RunMilestoneDelete implements `hf milestone delete <milestone-code>`.
+func RunMilestoneDelete(milestoneCode, tokenFlag string) {
+	token := ResolveToken(tokenFlag)
+	cfg, err := config.Load()
+	if err != nil {
+		output.Errorf("config error: %v", err)
+	}
+	c := client.New(cfg.BaseURL, token)
+	_, err = c.Delete("/milestones/" + milestoneCode)
+	if err != nil {
+		output.Errorf("failed to delete milestone: %v", err)
+	}
+	fmt.Printf("milestone deleted: %s\n", milestoneCode)
+}
+
+// RunMilestoneProgress implements `hf milestone progress <milestone-code>`.
+func RunMilestoneProgress(milestoneCode, tokenFlag string) {
+	token := ResolveToken(tokenFlag)
+	cfg, err := config.Load()
+	if err != nil {
+		output.Errorf("config error: %v", err)
+	}
+	c := client.New(cfg.BaseURL, token)
+	data, err := c.Get("/milestones/" + milestoneCode + "/progress")
+	if err != nil {
+		output.Errorf("failed to get milestone progress: %v", err)
+	}
+
+	if output.JSONMode {
+		var raw json.RawMessage
+		if err := json.Unmarshal(data, &raw); err != nil {
+			output.Errorf("invalid JSON response: %v", err)
+		}
+		output.PrintJSON(raw)
+		return
+	}
+
+	var p milestoneProgressResponse
+	if err := json.Unmarshal(data, &p); err != nil {
+		output.Errorf("cannot parse progress: %v", err)
+	}
+
+	output.PrintKeyValue(
+		"code", p.Code,
+		"title", p.Title,
+		"status", p.Status,
+		"total-tasks", fmt.Sprintf("%d", p.TotalTasks),
+		"done-tasks", fmt.Sprintf("%d", p.DoneTasks),
+		"progress", fmt.Sprintf("%.1f%%", p.Progress*100),
+	)
+}
diff --git a/internal/commands/project.go b/internal/commands/project.go
new file mode 100644
index 0000000..12ed9f0
--- /dev/null
+++ b/internal/commands/project.go
@@ -0,0 +1,413 @@
+package commands
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+
+	"git.hangman-lab.top/zhi/HarborForge.Cli/internal/client"
+	"git.hangman-lab.top/zhi/HarborForge.Cli/internal/config"
+	"git.hangman-lab.top/zhi/HarborForge.Cli/internal/output"
+)
+
+// projectResponse matches the backend ProjectResponse schema.
+type projectResponse struct {
+	ID          int     `json:"id"`
+	Code        string  `json:"code"`
+	Name        string  `json:"name"`
+	Description *string `json:"description"`
+	Repo        *string `json:"repo"`
+	Owner       string  `json:"owner"`
+	CreatedAt   string  `json:"created_at"`
+}
+
+// projectMemberResponse matches the backend ProjectMemberResponse schema.
+type projectMemberResponse struct {
+	Username string `json:"username"`
+	RoleName string `json:"role_name"`
+}
+
+// RunProjectList implements `hf project list`.
+func RunProjectList(args []string, tokenFlag string) {
+	token := ResolveToken(tokenFlag)
+
+	// Build query params
+	query := ""
+	for i := 0; i < len(args); i++ {
+		switch args[i] {
+		case "--owner":
+			if i+1 >= len(args) {
+				output.Error("--owner requires a value")
+			}
+			i++
+			query = appendQuery(query, "owner", args[i])
+		case "--order-by":
+			if i+1 >= len(args) {
+				output.Error("--order-by requires a value")
+			}
+			i++
+			query = appendQuery(query, "order_by", args[i])
+		default:
+			output.Errorf("unknown flag: %s", args[i])
+		}
+	}
+
+	cfg, err := config.Load()
+	if err != nil {
+		output.Errorf("config error: %v", err)
+	}
+	c := client.New(cfg.BaseURL, token)
+	path := "/projects"
+	if query != "" {
+		path += "?" + query
+	}
+	data, err := c.Get(path)
+	if err != nil {
+		output.Errorf("failed to list projects: %v", err)
+	}
+
+	if output.JSONMode {
+		var raw json.RawMessage
+		if err := json.Unmarshal(data, &raw); err != nil {
+			output.Errorf("invalid JSON response: %v", err)
+		}
+		output.PrintJSON(raw)
+		return
+	}
+
+	var projects []projectResponse
+	if err := json.Unmarshal(data, &projects); err != nil {
+		output.Errorf("cannot parse project list: %v", err)
+	}
+
+	headers := []string{"CODE", "NAME", "OWNER", "DESCRIPTION"}
+	var rows [][]string
+	for _, p := range projects {
+		desc := ""
+		if p.Description != nil {
+			desc = *p.Description
+			if len(desc) > 50 {
+				desc = desc[:47] + "..."
+			}
+		}
+		rows = append(rows, []string{p.Code, p.Name, p.Owner, desc})
+	}
+	output.PrintTable(headers, rows)
+}
+
+// RunProjectGet implements `hf project get <project-code>`.
+func RunProjectGet(projectCode, tokenFlag string) {
+	token := ResolveToken(tokenFlag)
+	cfg, err := config.Load()
+	if err != nil {
+		output.Errorf("config error: %v", err)
+	}
+	c := client.New(cfg.BaseURL, token)
+	data, err := c.Get("/projects/" + projectCode)
+	if err != nil {
+		output.Errorf("failed to get project: %v", err)
+	}
+
+	if output.JSONMode {
+		var raw json.RawMessage
+		if err := json.Unmarshal(data, &raw); err != nil {
+			output.Errorf("invalid JSON response: %v", err)
+		}
+		output.PrintJSON(raw)
+		return
+	}
+
+	var p projectResponse
+	if err := json.Unmarshal(data, &p); err != nil {
+		output.Errorf("cannot parse project: %v", err)
+	}
+
+	desc := ""
+	if p.Description != nil {
+		desc = *p.Description
+	}
+	repo := ""
+	if p.Repo != nil {
+		repo = *p.Repo
+	}
+	output.PrintKeyValue(
+		"code", p.Code,
+		"name", p.Name,
+		"description", desc,
+		"repo", repo,
+		"owner", p.Owner,
+		"created", p.CreatedAt,
+	)
+}
+
+// RunProjectCreate implements `hf project create`.
+func RunProjectCreate(args []string, tokenFlag string) {
+	token := ResolveToken(tokenFlag)
+
+	name, desc, repo := "", "", ""
+	for i := 0; i < len(args); i++ {
+		switch args[i] {
+		case "--name":
+			if i+1 >= len(args) {
+				output.Error("--name requires a value")
+			}
+			i++
+			name = args[i]
+		case "--desc":
+			if i+1 >= len(args) {
+				output.Error("--desc requires a value")
+			}
+			i++
+			desc = args[i]
+		case "--repo":
+			if i+1 >= len(args) {
+				output.Error("--repo requires a value")
+			}
+			i++
+			repo = args[i]
+		default:
+			output.Errorf("unknown flag: %s", args[i])
+		}
+	}
+
+	if name == "" {
+		output.Error("usage: hf project create --name <name>")
+	}
+
+	payload := map[string]interface{}{
+		"name": name,
+	}
+	if desc != "" {
+		payload["description"] = desc
+	}
+	if repo != "" {
+		payload["repo"] = repo
+	}
+
+	body, err := json.Marshal(payload)
+	if err != nil {
+		output.Errorf("cannot marshal payload: %v", err)
+	}
+
+	cfg, err := config.Load()
+	if err != nil {
+		output.Errorf("config error: %v", err)
+	}
+	c := client.New(cfg.BaseURL, token)
+	data, err := c.Post("/projects", bytes.NewReader(body))
+	if err != nil {
+		output.Errorf("failed to create project: %v", err)
+	}
+
+	if output.JSONMode {
+		var raw json.RawMessage
+		if err := json.Unmarshal(data, &raw); err != nil {
+			output.Errorf("invalid JSON response: %v", err)
+		}
+		output.PrintJSON(raw)
+		return
+	}
+
+	var p projectResponse
+	if err := json.Unmarshal(data, &p); err != nil {
+		fmt.Printf("project created: %s\n", name)
+		return
+	}
+	fmt.Printf("project created: %s (code: %s)\n", p.Name, p.Code)
+}
+
+// RunProjectUpdate implements `hf project update <project-code>`.
+func RunProjectUpdate(projectCode string, args []string, tokenFlag string) {
+	token := ResolveToken(tokenFlag)
+
+	payload := make(map[string]interface{})
+	for i := 0; i < len(args); i++ {
+		switch args[i] {
+		case "--name":
+			if i+1 >= len(args) {
+				output.Error("--name requires a value")
+			}
+			i++
+			payload["name"] = args[i]
+		case "--desc":
+			if i+1 >= len(args) {
+				output.Error("--desc requires a value")
+			}
+			i++
+			payload["description"] = args[i]
+		case "--repo":
+			if i+1 >= len(args) {
+				output.Error("--repo requires a value")
+			}
+			i++
+			payload["repo"] = args[i]
+		default:
+			output.Errorf("unknown flag: %s", args[i])
+		}
+	}
+
+	if len(payload) == 0 {
+		output.Error("nothing to update — provide at least one flag")
+	}
+
+	body, err := json.Marshal(payload)
+	if err != nil {
+		output.Errorf("cannot marshal payload: %v", err)
+	}
+
+	cfg, err := config.Load()
+	if err != nil {
+		output.Errorf("config error: %v", err)
+	}
+	c := client.New(cfg.BaseURL, token)
+	_, err = c.Patch("/projects/"+projectCode, bytes.NewReader(body))
+	if err != nil {
+		output.Errorf("failed to update project: %v", err)
+	}
+
+	fmt.Printf("project updated: %s\n", projectCode)
+}
+
+// RunProjectDelete implements `hf project delete <project-code>`.
+func RunProjectDelete(projectCode, tokenFlag string) {
+	token := ResolveToken(tokenFlag)
+	cfg, err := config.Load()
+	if err != nil {
+		output.Errorf("config error: %v", err)
+	}
+	c := client.New(cfg.BaseURL, token)
+	_, err = c.Delete("/projects/" + projectCode)
+	if err != nil {
+		output.Errorf("failed to delete project: %v", err)
+	}
+	fmt.Printf("project deleted: %s\n", projectCode)
+}
+
+// RunProjectMembers implements `hf project members <project-code>`.
+func RunProjectMembers(projectCode, tokenFlag string) {
+	token := ResolveToken(tokenFlag)
+	cfg, err := config.Load()
+	if err != nil {
+		output.Errorf("config error: %v", err)
+	}
+	c := client.New(cfg.BaseURL, token)
+	data, err := c.Get("/projects/" + projectCode + "/members")
+	if err != nil {
+		output.Errorf("failed to list project members: %v", err)
+	}
+
+	if output.JSONMode {
+		var raw json.RawMessage
+		if err := json.Unmarshal(data, &raw); err != nil {
+			output.Errorf("invalid JSON response: %v", err)
+		}
+		output.PrintJSON(raw)
+		return
+	}
+
+	var members []projectMemberResponse
+	if err := json.Unmarshal(data, &members); err != nil {
+		output.Errorf("cannot parse member list: %v", err)
+	}
+
+	headers := []string{"USERNAME", "ROLE"}
+	var rows [][]string
+	for _, m := range members {
+		rows = append(rows, []string{m.Username, m.RoleName})
+	}
+	output.PrintTable(headers, rows)
+}
+
+// RunProjectAddMember implements `hf project add-member <project-code> --user <username> --role <role-name>`.
+func RunProjectAddMember(projectCode string, args []string, tokenFlag string) {
+	token := ResolveToken(tokenFlag)
+
+	username, roleName := "", ""
+	for i := 0; i < len(args); i++ {
+		switch args[i] {
+		case "--user":
+			if i+1 >= len(args) {
+				output.Error("--user requires a value")
+			}
+			i++
+			username = args[i]
+		case "--role":
+			if i+1 >= len(args) {
+				output.Error("--role requires a value")
+			}
+			i++
+			roleName = args[i]
+		default:
+			output.Errorf("unknown flag: %s", args[i])
+		}
+	}
+
+	if username == "" || roleName == "" {
+		output.Error("usage: hf project add-member <project-code> --user <username> --role <role-name>")
+	}
+
+	payload := map[string]interface{}{
+		"username":  username,
+		"role_name": roleName,
+	}
+
+	body, err := json.Marshal(payload)
+	if err != nil {
+		output.Errorf("cannot marshal payload: %v", err)
+	}
+
+	cfg, err := config.Load()
+	if err != nil {
+		output.Errorf("config error: %v", err)
+	}
+	c := client.New(cfg.BaseURL, token)
+	_, err = c.Post("/projects/"+projectCode+"/members", bytes.NewReader(body))
+	if err != nil {
+		output.Errorf("failed to add member: %v", err)
+	}
+
+	fmt.Printf("member %s added to project %s with role %s\n", username, projectCode, roleName)
+}
+
+// RunProjectRemoveMember implements `hf project remove-member <project-code> --user <username>`.
+func RunProjectRemoveMember(projectCode string, args []string, tokenFlag string) {
+	token := ResolveToken(tokenFlag)
+
+	username := ""
+	for i := 0; i < len(args); i++ {
+		switch args[i] {
+		case "--user":
+			if i+1 >= len(args) {
+				output.Error("--user requires a value")
+			}
+			i++
+			username = args[i]
+		default:
+			output.Errorf("unknown flag: %s", args[i])
+		}
+	}
+
+	if username == "" {
+		output.Error("usage: hf project remove-member <project-code> --user <username>")
+	}
+
+	cfg, err := config.Load()
+	if err != nil {
+		output.Errorf("config error: %v", err)
+	}
+	c := client.New(cfg.BaseURL, token)
+	_, err = c.Delete("/projects/" + projectCode + "/members/" + username)
+	if err != nil {
+		output.Errorf("failed to remove member: %v", err)
+	}
+
+	fmt.Printf("member %s removed from project %s\n", username, projectCode)
+}
+
+// appendQuery is a helper for building query strings.
+func appendQuery(existing, key, value string) string {
+	if existing == "" {
+		return key + "=" + value
+	}
+	return existing + "&" + key + "=" + value
+}
diff --git a/internal/commands/role.go b/internal/commands/role.go
new file mode 100644
index 0000000..bfe4732
--- /dev/null
+++ b/internal/commands/role.go
@@ -0,0 +1,334 @@
+package commands
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"strings"
+
+	"git.hangman-lab.top/zhi/HarborForge.Cli/internal/client"
+	"git.hangman-lab.top/zhi/HarborForge.Cli/internal/config"
+	"git.hangman-lab.top/zhi/HarborForge.Cli/internal/output"
+)
+
+// roleResponse matches the backend RoleResponse schema.
+type roleResponse struct {
+	ID          int      `json:"id"`
+	Name        string   `json:"name"`
+	Description string   `json:"description"`
+	IsGlobal    bool     `json:"is_global"`
+	Permissions []string `json:"permissions"`
+	CreatedAt   string   `json:"created_at"`
+}
+
+// permissionResponse matches the backend PermissionResponse schema.
+type permissionResponse struct {
+	ID          int    `json:"id"`
+	Codename    string `json:"codename"`
+	Description string `json:"description"`
+}
+
+// RunRoleList implements `hf role list`.
+func RunRoleList(tokenFlag string) {
+	token := ResolveToken(tokenFlag)
+	cfg, err := config.Load()
+	if err != nil {
+		output.Errorf("config error: %v", err)
+	}
+	c := client.New(cfg.BaseURL, token)
+	data, err := c.Get("/roles")
+	if err != nil {
+		output.Errorf("failed to list roles: %v", err)
+	}
+
+	if output.JSONMode {
+		var raw json.RawMessage
+		if err := json.Unmarshal(data, &raw); err != nil {
+			output.Errorf("invalid JSON response: %v", err)
+		}
+		output.PrintJSON(raw)
+		return
+	}
+
+	var roles []roleResponse
+	if err := json.Unmarshal(data, &roles); err != nil {
+		output.Errorf("cannot parse role list: %v", err)
+	}
+
+	headers := []string{"NAME", "DESCRIPTION", "GLOBAL", "PERMISSIONS"}
+	var rows [][]string
+	for _, r := range roles {
+		global := ""
+		if r.IsGlobal {
+			global = "yes"
+		}
+		perms := strings.Join(r.Permissions, ", ")
+		if len(perms) > 60 {
+			perms = perms[:57] + "..."
+		}
+		rows = append(rows, []string{r.Name, r.Description, global, perms})
+	}
+	output.PrintTable(headers, rows)
+}
+
+// RunRoleGet implements `hf role get <role-name>`.
+func RunRoleGet(roleName, tokenFlag string) {
+	token := ResolveToken(tokenFlag)
+	cfg, err := config.Load()
+	if err != nil {
+		output.Errorf("config error: %v", err)
+	}
+	c := client.New(cfg.BaseURL, token)
+	data, err := c.Get("/roles/" + roleName)
+	if err != nil {
+		output.Errorf("failed to get role: %v", err)
+	}
+
+	if output.JSONMode {
+		var raw json.RawMessage
+		if err := json.Unmarshal(data, &raw); err != nil {
+			output.Errorf("invalid JSON response: %v", err)
+		}
+		output.PrintJSON(raw)
+		return
+	}
+
+	var r roleResponse
+	if err := json.Unmarshal(data, &r); err != nil {
+		output.Errorf("cannot parse role: %v", err)
+	}
+
+	global := "no"
+	if r.IsGlobal {
+		global = "yes"
+	}
+	perms := "(none)"
+	if len(r.Permissions) > 0 {
+		perms = strings.Join(r.Permissions, ", ")
+	}
+	output.PrintKeyValue(
+		"name", r.Name,
+		"description", r.Description,
+		"global", global,
+		"permissions", perms,
+		"created", r.CreatedAt,
+	)
+}
+
+// RunRoleCreate implements `hf role create`.
+func RunRoleCreate(name, desc string, global bool, tokenFlag string) {
+	token := ResolveToken(tokenFlag)
+	if name == "" {
+		output.Error("usage: hf role create --name <role-name>")
+	}
+
+	payload := map[string]interface{}{
+		"name": name,
+	}
+	if desc != "" {
+		payload["description"] = desc
+	}
+	if global {
+		payload["is_global"] = true
+	}
+
+	body, err := json.Marshal(payload)
+	if err != nil {
+		output.Errorf("cannot marshal payload: %v", err)
+	}
+
+	cfg, err := config.Load()
+	if err != nil {
+		output.Errorf("config error: %v", err)
+	}
+	c := client.New(cfg.BaseURL, token)
+	data, err := c.Post("/roles", bytes.NewReader(body))
+	if err != nil {
+		output.Errorf("failed to create role: %v", err)
+	}
+
+	if output.JSONMode {
+		var raw json.RawMessage
+		if err := json.Unmarshal(data, &raw); err != nil {
+			output.Errorf("invalid JSON response: %v", err)
+		}
+		output.PrintJSON(raw)
+		return
+	}
+
+	fmt.Printf("role created: %s\n", name)
+}
+
+// RunRoleUpdate implements `hf role update <role-name>`.
+func RunRoleUpdate(roleName string, args []string, tokenFlag string) {
+	token := ResolveToken(tokenFlag)
+
+	payload := make(map[string]interface{})
+	for i := 0; i < len(args); i++ {
+		switch args[i] {
+		case "--desc":
+			if i+1 >= len(args) {
+				output.Error("--desc requires a value")
+			}
+			i++
+			payload["description"] = args[i]
+		default:
+			output.Errorf("unknown flag: %s", args[i])
+		}
+	}
+
+	if len(payload) == 0 {
+		output.Error("nothing to update — provide at least one flag")
+	}
+
+	body, err := json.Marshal(payload)
+	if err != nil {
+		output.Errorf("cannot marshal payload: %v", err)
+	}
+
+	cfg, err := config.Load()
+	if err != nil {
+		output.Errorf("config error: %v", err)
+	}
+	c := client.New(cfg.BaseURL, token)
+	_, err = c.Patch("/roles/"+roleName, bytes.NewReader(body))
+	if err != nil {
+		output.Errorf("failed to update role: %v", err)
+	}
+
+	fmt.Printf("role updated: %s\n", roleName)
+}
+
+// RunRoleDelete implements `hf role delete <role-name>`.
+func RunRoleDelete(roleName, tokenFlag string) {
+	token := ResolveToken(tokenFlag)
+	cfg, err := config.Load()
+	if err != nil {
+		output.Errorf("config error: %v", err)
+	}
+	c := client.New(cfg.BaseURL, token)
+	_, err = c.Delete("/roles/" + roleName)
+	if err != nil {
+		output.Errorf("failed to delete role: %v", err)
+	}
+	fmt.Printf("role deleted: %s\n", roleName)
+}
+
+// RunRoleSetPermissions implements `hf role set-permissions <role-name> --permission <perm> [...]`.
+func RunRoleSetPermissions(roleName string, permissions []string, tokenFlag string) {
+	token := ResolveToken(tokenFlag)
+	if len(permissions) == 0 {
+		output.Error("usage: hf role set-permissions <role-name> --permission <perm> [--permission <perm> ...]")
+	}
+
+	payload := map[string]interface{}{
+		"permissions": permissions,
+	}
+	body, err := json.Marshal(payload)
+	if err != nil {
+		output.Errorf("cannot marshal payload: %v", err)
+	}
+
+	cfg, err := config.Load()
+	if err != nil {
+		output.Errorf("config error: %v", err)
+	}
+	c := client.New(cfg.BaseURL, token)
+	_, err = c.Put("/roles/"+roleName+"/permissions", bytes.NewReader(body))
+	if err != nil {
+		output.Errorf("failed to set permissions: %v", err)
+	}
+
+	fmt.Printf("permissions set for role %s: %s\n", roleName, strings.Join(permissions, ", "))
+}
+
+// RunRoleAddPermissions implements `hf role add-permissions <role-name> --permission <perm> [...]`.
+func RunRoleAddPermissions(roleName string, permissions []string, tokenFlag string) {
+	token := ResolveToken(tokenFlag)
+	if len(permissions) == 0 {
+		output.Error("usage: hf role add-permissions <role-name> --permission <perm> [--permission <perm> ...]")
+	}
+
+	payload := map[string]interface{}{
+		"permissions": permissions,
+	}
+	body, err := json.Marshal(payload)
+	if err != nil {
+		output.Errorf("cannot marshal payload: %v", err)
+	}
+
+	cfg, err := config.Load()
+	if err != nil {
+		output.Errorf("config error: %v", err)
+	}
+	c := client.New(cfg.BaseURL, token)
+	_, err = c.Post("/roles/"+roleName+"/permissions", bytes.NewReader(body))
+	if err != nil {
+		output.Errorf("failed to add permissions: %v", err)
+	}
+
+	fmt.Printf("permissions added to role %s: %s\n", roleName, strings.Join(permissions, ", "))
+}
+
+// RunRoleRemovePermissions implements `hf role remove-permissions <role-name> --permission <perm> [...]`.
+func RunRoleRemovePermissions(roleName string, permissions []string, tokenFlag string) {
+	token := ResolveToken(tokenFlag)
+	if len(permissions) == 0 {
+		output.Error("usage: hf role remove-permissions <role-name> --permission <perm> [--permission <perm> ...]")
+	}
+
+	payload := map[string]interface{}{
+		"permissions": permissions,
+	}
+	body, err := json.Marshal(payload)
+	if err != nil {
+		output.Errorf("cannot marshal payload: %v", err)
+	}
+
+	cfg, err := config.Load()
+	if err != nil {
+		output.Errorf("config error: %v", err)
+	}
+	c := client.New(cfg.BaseURL, token)
+	_, err = c.Do("DELETE", "/roles/"+roleName+"/permissions", bytes.NewReader(body))
+	if err != nil {
+		output.Errorf("failed to remove permissions: %v", err)
+	}
+
+	fmt.Printf("permissions removed from role %s: %s\n", roleName, strings.Join(permissions, ", "))
+}
+
+// RunPermissionList implements `hf permission list`.
+func RunPermissionList(tokenFlag string) {
+	token := ResolveToken(tokenFlag)
+	cfg, err := config.Load()
+	if err != nil {
+		output.Errorf("config error: %v", err)
+	}
+	c := client.New(cfg.BaseURL, token)
+	data, err := c.Get("/permissions")
+	if err != nil {
+		output.Errorf("failed to list permissions: %v", err)
+	}
+
+	if output.JSONMode {
+		var raw json.RawMessage
+		if err := json.Unmarshal(data, &raw); err != nil {
+			output.Errorf("invalid JSON response: %v", err)
+		}
+		output.PrintJSON(raw)
+		return
+	}
+
+	var perms []permissionResponse
+	if err := json.Unmarshal(data, &perms); err != nil {
+		output.Errorf("cannot parse permission list: %v", err)
+	}
+
+	headers := []string{"CODENAME", "DESCRIPTION"}
+	var rows [][]string
+	for _, p := range perms {
+		rows = append(rows, []string{p.Codename, p.Description})
+	}
+	output.PrintTable(headers, rows)
+}
diff --git a/internal/commands/task.go b/internal/commands/task.go
new file mode 100644
index 0000000..b006221
--- /dev/null
+++ b/internal/commands/task.go
@@ -0,0 +1,478 @@
+package commands
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+
+	"git.hangman-lab.top/zhi/HarborForge.Cli/internal/client"
+	"git.hangman-lab.top/zhi/HarborForge.Cli/internal/config"
+	"git.hangman-lab.top/zhi/HarborForge.Cli/internal/output"
+)
+
+// taskResponse matches the backend TaskResponse schema.
+type taskResponse struct {
+	ID            int     `json:"id"`
+	Code          string  `json:"code"`
+	Title         string  `json:"title"`
+	Description   *string `json:"description"`
+	Status        string  `json:"status"`
+	Priority      string  `json:"priority"`
+	Type          string  `json:"type"`
+	DueDate       *string `json:"due_date"`
+	ProjectCode   string  `json:"project_code"`
+	MilestoneCode *string `json:"milestone_code"`
+	TakenBy       *string `json:"taken_by"`
+	CreatedAt     string  `json:"created_at"`
+}
+
+// RunTaskList implements `hf task list`.
+func RunTaskList(args []string, tokenFlag string) {
+	token := ResolveToken(tokenFlag)
+
+	query := ""
+	for i := 0; i < len(args); i++ {
+		switch args[i] {
+		case "--project":
+			if i+1 >= len(args) {
+				output.Error("--project requires a value")
+			}
+			i++
+			query = appendQuery(query, "project", args[i])
+		case "--milestone":
+			if i+1 >= len(args) {
+				output.Error("--milestone requires a value")
+			}
+			i++
+			query = appendQuery(query, "milestone", args[i])
+		case "--status":
+			if i+1 >= len(args) {
+				output.Error("--status requires a value")
+			}
+			i++
+			query = appendQuery(query, "status", args[i])
+		case "--taken-by":
+			if i+1 >= len(args) {
+				output.Error("--taken-by requires a value")
+			}
+			i++
+			query = appendQuery(query, "taken_by", args[i])
+		case "--due-today":
+			if i+1 >= len(args) {
+				output.Error("--due-today requires a value")
+			}
+			i++
+			query = appendQuery(query, "due_today", args[i])
+		case "--order-by":
+			if i+1 >= len(args) {
+				output.Error("--order-by requires a value")
+			}
+			i++
+			query = appendQuery(query, "order_by", args[i])
+		default:
+			output.Errorf("unknown flag: %s", args[i])
+		}
+	}
+
+	cfg, err := config.Load()
+	if err != nil {
+		output.Errorf("config error: %v", err)
+	}
+	c := client.New(cfg.BaseURL, token)
+	path := "/tasks"
+	if query != "" {
+		path += "?" + query
+	}
+	data, err := c.Get(path)
+	if err != nil {
+		output.Errorf("failed to list tasks: %v", err)
+	}
+
+	if output.JSONMode {
+		var raw json.RawMessage
+		if err := json.Unmarshal(data, &raw); err != nil {
+			output.Errorf("invalid JSON response: %v", err)
+		}
+		output.PrintJSON(raw)
+		return
+	}
+
+	var tasks []taskResponse
+	if err := json.Unmarshal(data, &tasks); err != nil {
+		output.Errorf("cannot parse task list: %v", err)
+	}
+
+	headers := []string{"CODE", "TITLE", "STATUS", "PRIORITY", "TAKEN BY", "PROJECT"}
+	var rows [][]string
+	for _, t := range tasks {
+		takenBy := ""
+		if t.TakenBy != nil {
+			takenBy = *t.TakenBy
+		}
+		title := t.Title
+		if len(title) > 40 {
+			title = title[:37] + "..."
+		}
+		rows = append(rows, []string{t.Code, title, t.Status, t.Priority, takenBy, t.ProjectCode})
+	}
+	output.PrintTable(headers, rows)
+}
+
+// RunTaskGet implements `hf task get <task-code>`.
+func RunTaskGet(taskCode, tokenFlag string) {
+	token := ResolveToken(tokenFlag)
+	cfg, err := config.Load()
+	if err != nil {
+		output.Errorf("config error: %v", err)
+	}
+	c := client.New(cfg.BaseURL, token)
+	data, err := c.Get("/tasks/" + taskCode)
+	if err != nil {
+		output.Errorf("failed to get task: %v", err)
+	}
+
+	if output.JSONMode {
+		var raw json.RawMessage
+		if err := json.Unmarshal(data, &raw); err != nil {
+			output.Errorf("invalid JSON response: %v", err)
+		}
+		output.PrintJSON(raw)
+		return
+	}
+
+	var t taskResponse
+	if err := json.Unmarshal(data, &t); err != nil {
+		output.Errorf("cannot parse task: %v", err)
+	}
+
+	desc := ""
+	if t.Description != nil {
+		desc = *t.Description
+	}
+	due := ""
+	if t.DueDate != nil {
+		due = *t.DueDate
+	}
+	milestone := ""
+	if t.MilestoneCode != nil {
+		milestone = *t.MilestoneCode
+	}
+	takenBy := ""
+	if t.TakenBy != nil {
+		takenBy = *t.TakenBy
+	}
+	output.PrintKeyValue(
+		"code", t.Code,
+		"title", t.Title,
+		"description", desc,
+		"status", t.Status,
+		"priority", t.Priority,
+		"type", t.Type,
+		"due-date", due,
+		"project", t.ProjectCode,
+		"milestone", milestone,
+		"taken-by", takenBy,
+		"created", t.CreatedAt,
+	)
+}
+
+// RunTaskCreate implements `hf task create`.
+func RunTaskCreate(args []string, tokenFlag string) {
+	token := ResolveToken(tokenFlag)
+
+	project, title, milestone, taskType, priority, desc := "", "", "", "", "", ""
+	for i := 0; i < len(args); i++ {
+		switch args[i] {
+		case "--project":
+			if i+1 >= len(args) {
+				output.Error("--project requires a value")
+			}
+			i++
+			project = args[i]
+		case "--title":
+			if i+1 >= len(args) {
+				output.Error("--title requires a value")
+			}
+			i++
+			title = args[i]
+		case "--milestone":
+			if i+1 >= len(args) {
+				output.Error("--milestone requires a value")
+			}
+			i++
+			milestone = args[i]
+		case "--type":
+			if i+1 >= len(args) {
+				output.Error("--type requires a value")
+			}
+			i++
+			taskType = args[i]
+		case "--priority":
+			if i+1 >= len(args) {
+				output.Error("--priority requires a value")
+			}
+			i++
+			priority = args[i]
+		case "--desc":
+			if i+1 >= len(args) {
+				output.Error("--desc requires a value")
+			}
+			i++
+			desc = args[i]
+		default:
+			output.Errorf("unknown flag: %s", args[i])
+		}
+	}
+
+	if project == "" || title == "" {
+		output.Error("usage: hf task create --project <project-code> --title <title>")
+	}
+
+	payload := map[string]interface{}{
+		"project_code": project,
+		"title":        title,
+	}
+	if milestone != "" {
+		payload["milestone_code"] = milestone
+	}
+	if taskType != "" {
+		payload["type"] = taskType
+	}
+	if priority != "" {
+		payload["priority"] = priority
+	}
+	if desc != "" {
+		payload["description"] = desc
+	}
+
+	body, err := json.Marshal(payload)
+	if err != nil {
+		output.Errorf("cannot marshal payload: %v", err)
+	}
+
+	cfg, err := config.Load()
+	if err != nil {
+		output.Errorf("config error: %v", err)
+	}
+	c := client.New(cfg.BaseURL, token)
+	data, err := c.Post("/tasks", bytes.NewReader(body))
+	if err != nil {
+		output.Errorf("failed to create task: %v", err)
+	}
+
+	if output.JSONMode {
+		var raw json.RawMessage
+		if err := json.Unmarshal(data, &raw); err != nil {
+			output.Errorf("invalid JSON response: %v", err)
+		}
+		output.PrintJSON(raw)
+		return
+	}
+
+	var t taskResponse
+	if err := json.Unmarshal(data, &t); err != nil {
+		fmt.Printf("task created: %s\n", title)
+		return
+	}
+	fmt.Printf("task created: %s (code: %s)\n", t.Title, t.Code)
+}
+
+// RunTaskUpdate implements `hf task update <task-code>`.
+func RunTaskUpdate(taskCode string, args []string, tokenFlag string) {
+	token := ResolveToken(tokenFlag)
+
+	payload := make(map[string]interface{})
+	for i := 0; i < len(args); i++ {
+		switch args[i] {
+		case "--title":
+			if i+1 >= len(args) {
+				output.Error("--title requires a value")
+			}
+			i++
+			payload["title"] = args[i]
+		case "--desc":
+			if i+1 >= len(args) {
+				output.Error("--desc requires a value")
+			}
+			i++
+			payload["description"] = args[i]
+		case "--status":
+			if i+1 >= len(args) {
+				output.Error("--status requires a value")
+			}
+			i++
+			payload["status"] = args[i]
+		case "--priority":
+			if i+1 >= len(args) {
+				output.Error("--priority requires a value")
+			}
+			i++
+			payload["priority"] = args[i]
+		case "--assignee":
+			if i+1 >= len(args) {
+				output.Error("--assignee requires a value")
+			}
+			i++
+			val := args[i]
+			if val == "null" {
+				payload["taken_by"] = nil
+			} else {
+				payload["taken_by"] = val
+			}
+		default:
+			output.Errorf("unknown flag: %s", args[i])
+		}
+	}
+
+	if len(payload) == 0 {
+		output.Error("nothing to update — provide at least one flag")
+	}
+
+	body, err := json.Marshal(payload)
+	if err != nil {
+		output.Errorf("cannot marshal payload: %v", err)
+	}
+
+	cfg, err := config.Load()
+	if err != nil {
+		output.Errorf("config error: %v", err)
+	}
+	c := client.New(cfg.BaseURL, token)
+	_, err = c.Patch("/tasks/"+taskCode, bytes.NewReader(body))
+	if err != nil {
+		output.Errorf("failed to update task: %v", err)
+	}
+
+	fmt.Printf("task updated: %s\n", taskCode)
+}
+
+// RunTaskTransition implements `hf task transition <task-code> <status>`.
+func RunTaskTransition(taskCode, status, tokenFlag string) {
+	token := ResolveToken(tokenFlag)
+
+	payload := map[string]interface{}{
+		"status": status,
+	}
+	body, err := json.Marshal(payload)
+	if err != nil {
+		output.Errorf("cannot marshal payload: %v", err)
+	}
+
+	cfg, err := config.Load()
+	if err != nil {
+		output.Errorf("config error: %v", err)
+	}
+	c := client.New(cfg.BaseURL, token)
+	_, err = c.Post("/tasks/"+taskCode+"/transition", bytes.NewReader(body))
+	if err != nil {
+		output.Errorf("failed to transition task: %v", err)
+	}
+
+	fmt.Printf("task %s transitioned to %s\n", taskCode, status)
+}
+
+// RunTaskTake implements `hf task take <task-code>`.
+func RunTaskTake(taskCode, tokenFlag string) {
+	token := ResolveToken(tokenFlag)
+
+	cfg, err := config.Load()
+	if err != nil {
+		output.Errorf("config error: %v", err)
+	}
+	c := client.New(cfg.BaseURL, token)
+	_, err = c.Post("/tasks/"+taskCode+"/take", nil)
+	if err != nil {
+		output.Errorf("failed to take task: %v", err)
+	}
+
+	fmt.Printf("task taken: %s\n", taskCode)
+}
+
+// RunTaskDelete implements `hf task delete <task-code>`.
+func RunTaskDelete(taskCode, tokenFlag string) {
+	token := ResolveToken(tokenFlag)
+	cfg, err := config.Load()
+	if err != nil {
+		output.Errorf("config error: %v", err)
+	}
+	c := client.New(cfg.BaseURL, token)
+	_, err = c.Delete("/tasks/" + taskCode)
+	if err != nil {
+		output.Errorf("failed to delete task: %v", err)
+	}
+	fmt.Printf("task deleted: %s\n", taskCode)
+}
+
+// RunTaskSearch implements `hf task search`.
+func RunTaskSearch(args []string, tokenFlag string) {
+	token := ResolveToken(tokenFlag)
+
+	query := ""
+	for i := 0; i < len(args); i++ {
+		switch args[i] {
+		case "--query":
+			if i+1 >= len(args) {
+				output.Error("--query requires a value")
+			}
+			i++
+			query = appendQuery(query, "q", args[i])
+		case "--project":
+			if i+1 >= len(args) {
+				output.Error("--project requires a value")
+			}
+			i++
+			query = appendQuery(query, "project", args[i])
+		case "--status":
+			if i+1 >= len(args) {
+				output.Error("--status requires a value")
+			}
+			i++
+			query = appendQuery(query, "status", args[i])
+		default:
+			output.Errorf("unknown flag: %s", args[i])
+		}
+	}
+
+	cfg, err := config.Load()
+	if err != nil {
+		output.Errorf("config error: %v", err)
+	}
+	c := client.New(cfg.BaseURL, token)
+	path := "/tasks/search"
+	if query != "" {
+		path += "?" + query
+	}
+	data, err := c.Get(path)
+	if err != nil {
+		output.Errorf("failed to search tasks: %v", err)
+	}
+
+	if output.JSONMode {
+		var raw json.RawMessage
+		if err := json.Unmarshal(data, &raw); err != nil {
+			output.Errorf("invalid JSON response: %v", err)
+		}
+		output.PrintJSON(raw)
+		return
+	}
+
+	var tasks []taskResponse
+	if err := json.Unmarshal(data, &tasks); err != nil {
+		output.Errorf("cannot parse task list: %v", err)
+	}
+
+	headers := []string{"CODE", "TITLE", "STATUS", "PRIORITY", "TAKEN BY", "PROJECT"}
+	var rows [][]string
+	for _, t := range tasks {
+		takenBy := ""
+		if t.TakenBy != nil {
+			takenBy = *t.TakenBy
+		}
+		title := t.Title
+		if len(title) > 40 {
+			title = title[:37] + "..."
+		}
+		rows = append(rows, []string{t.Code, title, t.Status, t.Priority, takenBy, t.ProjectCode})
+	}
+	output.PrintTable(headers, rows)
+}