test: add test cases for Gemini agent type in server_test.go

Author: 35C4n0r

cmd/server/server_test.go

@@ -23,6 +23,11 @@ func TestParseAgentType(t *testing.T) {
 			agentTypeVar: "",
 			want:         AgentTypeClaude,
 		},
+		{
+			firstArg:     "gemini",
+			agentTypeVar: "",
+			want:         AgentTypeGemini,
+		},
 		{
 			firstArg:     "goose",
 			agentTypeVar: "",
@@ -48,6 +53,11 @@ func TestParseAgentType(t *testing.T) {
 			agentTypeVar: "claude",
 			want:         AgentTypeClaude,
 		},
+		{
+			firstArg:     "claude",
+			agentTypeVar: "gemini",
+			want:         AgentTypeGemini,
+		},
 		{
 			firstArg:     "aider",
 			agentTypeVar: "claude",