Add card self-assign command

README.md

@@ -266,6 +266,9 @@ fizzy card untriage 42
 # Assign/unassign (toggles)
 fizzy card assign 42 --user USER_ID
 
+# Self-assign/unassign (toggles current user)
+fizzy card self-assign 42
+
 # Tag/untag (toggles, creates tag if needed)
 fizzy card tag 42 --tag "bug"
 

e2e/tests/card_test.go

@@ -482,6 +482,30 @@ func TestCardActions(t *testing.T) {
 		}
 	})
 
+	t.Run("self-assign card", func(t *testing.T) {
+		result := h.Run("card", "self-assign", cardStr)
+
+		if result.ExitCode != harness.ExitSuccess {
+			t.Errorf("expected exit code %d, got %d\nstderr: %s", harness.ExitSuccess, result.ExitCode, result.Stderr)
+		}
+
+		if !result.Response.Success {
+			t.Errorf("expected success=true, error: %+v", result.Response.Error)
+		}
+	})
+
+	t.Run("self-assign card again to unassign", func(t *testing.T) {
+		result := h.Run("card", "self-assign", cardStr)
+
+		if result.ExitCode != harness.ExitSuccess {
+			t.Errorf("expected exit code %d, got %d\nstderr: %s", harness.ExitSuccess, result.ExitCode, result.Stderr)
+		}
+
+		if !result.Response.Success {
+			t.Errorf("expected success=true, error: %+v", result.Response.Error)
+		}
+	})
+
 	t.Run("golden card", func(t *testing.T) {
 		result := h.Run("card", "golden", cardStr)
 

internal/commands/card.go

@@ -746,6 +746,36 @@ var cardAssignCmd = &cobra.Command{
 	},
 }
 
+var cardSelfAssignCmd = &cobra.Command{
+	Use:   "self-assign CARD_NUMBER",
+	Short: "Toggle self-assignment on a card",
+	Long:  "Toggles the current user's assignment on a card.",
+	Args:  cobra.ExactArgs(1),
+	Run: func(cmd *cobra.Command, args []string) {
+		if err := requireAuthAndAccount(); err != nil {
+			exitWithError(err)
+		}
+
+		cardNumber := args[0]
+
+		client := getClient()
+		resp, err := client.Post("/cards/"+cardNumber+"/self_assignment.json", nil)
+		if err != nil {
+			exitWithError(err)
+		}
+
+		breadcrumbs := []response.Breadcrumb{
+			breadcrumb("show", fmt.Sprintf("fizzy card show %s", cardNumber), "View card"),
+		}
+
+		data := resp.Data
+		if data == nil {
+			data = map[string]interface{}{}
+		}
+		printSuccessWithBreadcrumbs(data, "", breadcrumbs)
+	},
+}
+
 // Card tag flags
 var cardTagTag string
 
@@ -1081,6 +1111,9 @@ func init() {
 	cardAssignCmd.Flags().StringVar(&cardAssignUser, "user", "", "User ID (required)")
 	cardCmd.AddCommand(cardAssignCmd)
 
+	// Self-assign
+	cardCmd.AddCommand(cardSelfAssignCmd)
+
 	// Tag
 	cardTagCmd.Flags().StringVar(&cardTagTag, "tag", "", "Tag name (required)")
 	cardCmd.AddCommand(cardTagCmd)

internal/commands/card_test.go

@@ -907,6 +907,31 @@ func TestCardAssign(t *testing.T) {
 	})
 }
 
+func TestCardSelfAssign(t *testing.T) {
+	t.Run("self-assigns card", func(t *testing.T) {
+		mock := NewMockClient()
+		mock.PostResponse = &client.APIResponse{
+			StatusCode: 200,
+			Data:       map[string]interface{}{},
+		}
+
+		result := SetTestMode(mock)
+		SetTestConfig("token", "account", "https://api.example.com")
+		defer ResetTestMode()
+
+		RunTestCommand(func() {
+			cardSelfAssignCmd.Run(cardSelfAssignCmd, []string{"42"})
+		})
+
+		if result.ExitCode != 0 {
+			t.Errorf("expected exit code 0, got %d", result.ExitCode)
+		}
+		if mock.PostCalls[0].Path != "/cards/42/self_assignment.json" {
+			t.Errorf("expected path '/cards/42/self_assignment.json', got '%s'", mock.PostCalls[0].Path)
+		}
+	})
+}
+
 func TestCardTag(t *testing.T) {
 	t.Run("tags card", func(t *testing.T) {
 		mock := NewMockClient()

skills/fizzy/SKILL.md

@@ -534,6 +534,7 @@ fizzy card untriage CARD_NUMBER        # Remove from column, back to triage
 fizzy card column CARD_NUMBER --column ID     # Move to column (use column ID or: maybe, not-yet, done)
 fizzy card move CARD_NUMBER --to BOARD_ID     # Move card to a different board
 fizzy card assign CARD_NUMBER --user ID       # Toggle user assignment
+fizzy card self-assign CARD_NUMBER            # Toggle current user's assignment
 fizzy card tag CARD_NUMBER --tag "name"       # Toggle tag (creates tag if needed)
 fizzy card watch CARD_NUMBER                  # Subscribe to notifications
 fizzy card unwatch CARD_NUMBER                # Unsubscribe
@@ -713,7 +714,10 @@ fizzy card create --board BOARD_ID --title "Card" --image "$SIGNED_ID"
 # Move to a column
 fizzy card column 579 --column maybe
 
-# Assign to user
+# Assign to yourself
+fizzy card self-assign 579
+
+# Or assign to another user
 fizzy card assign 579 --user USER_ID
 
 # Mark as golden (important)