1 files changed, 98 insertions, 0 deletions
diff --git a/internal/api/webhook_test.go b/internal/api/webhook_test.go
index 8b0599a..1bc4aaa 100644
--- a/internal/api/webhook_test.go
+++ b/internal/api/webhook_test.go
@@ -237,6 +237,104 @@ func TestGitHubWebhook_NoSecretConfigured_SkipsHMACCheck(t *testing.T) {
 	}
 }
 
+func TestGitHubWebhook_CreatesTask_WithDefaultModel(t *testing.T) {
+	srv, store := testServer(t)
+	srv.projects = []config.Project{{Name: "myrepo", Dir: "/workspace/myrepo"}}
+
+	w := webhookPost(t, srv, "check_run", checkRunFailurePayload, "")
+
+	if w.Code != http.StatusOK {
+		t.Fatalf("want 200, got %d", w.Code)
+	}
+	var resp map[string]string
+	json.NewDecoder(w.Body).Decode(&resp)
+	tk, err := store.GetTask(resp["task_id"])
+	if err != nil {
+		t.Fatalf("task not found: %v", err)
+	}
+	if tk.Agent.Model == "" {
+		t.Error("expected model to be set, got empty string")
+	}
+}
+
+const checkRunNullBranchPayload = `{
+	"action": "completed",
+	"check_run": {
+		"name": "CI Build",
+		"conclusion": "failure",
+		"html_url": "",
+		"details_url": "https://github.com/owner/myrepo/actions/runs/999/jobs/123",
+		"head_sha": "abc123def",
+		"check_suite": {
+			"head_branch": null
+		},
+		"pull_requests": [{"head": {"ref": "feature/my-branch"}}]
+	},
+	"repository": {
+		"name": "myrepo",
+		"full_name": "owner/myrepo"
+	}
+}`
+
+func TestGitHubWebhook_CheckRunNullBranch_UsesPRRefAndDetailsURL(t *testing.T) {
+	srv, store := testServer(t)
+	srv.projects = []config.Project{{Name: "myrepo", Dir: "/workspace/myrepo"}}
+
+	w := webhookPost(t, srv, "check_run", checkRunNullBranchPayload, "")
+
+	if w.Code != http.StatusOK {
+		t.Fatalf("want 200, got %d; body: %s", w.Code, w.Body.String())
+	}
+	var resp map[string]string
+	json.NewDecoder(w.Body).Decode(&resp)
+	tk, err := store.GetTask(resp["task_id"])
+	if err != nil {
+		t.Fatalf("task not found: %v", err)
+	}
+	if !strings.Contains(tk.Name, "feature/my-branch") {
+		t.Errorf("task name %q should contain PR branch", tk.Name)
+	}
+	if !strings.Contains(tk.Agent.Instructions, "actions/runs/999") {
+		t.Errorf("instructions should contain details_url fallback, got: %s", tk.Agent.Instructions)
+	}
+}
+
+const workflowRunNullBranchPayload = `{
+	"action": "completed",
+	"workflow_run": {
+		"name": "CI Pipeline",
+		"conclusion": "failure",
+		"html_url": "",
+		"head_sha": "def456abc",
+		"head_branch": null,
+		"pull_requests": [{"head": {"ref": "fix/something"}}]
+	},
+	"repository": {
+		"name": "myrepo",
+		"full_name": "owner/myrepo"
+	}
+}`
+
+func TestGitHubWebhook_WorkflowRunNullBranch_UsesPRRef(t *testing.T) {
+	srv, store := testServer(t)
+	srv.projects = []config.Project{{Name: "myrepo", Dir: "/workspace/myrepo"}}
+
+	w := webhookPost(t, srv, "workflow_run", workflowRunNullBranchPayload, "")
+
+	if w.Code != http.StatusOK {
+		t.Fatalf("want 200, got %d; body: %s", w.Code, w.Body.String())
+	}
+	var resp map[string]string
+	json.NewDecoder(w.Body).Decode(&resp)
+	tk, err := store.GetTask(resp["task_id"])
+	if err != nil {
+		t.Fatalf("task not found: %v", err)
+	}
+	if !strings.Contains(tk.Name, "fix/something") {
+		t.Errorf("task name %q should contain PR branch", tk.Name)
+	}
+}
+
 func TestGitHubWebhook_UnknownEvent_Returns204(t *testing.T) {
 	srv, _ := testServer(t)