diff --git a/pkg/agent/loop.go b/pkg/agent/loop.go
index e23da0791..d7f820dab 100644
--- a/pkg/agent/loop.go
+++ b/pkg/agent/loop.go
@@ -122,7 +122,10 @@ func createToolRegistry(workspace string, restrict bool, cfg *config.Config, msg
 
 func NewAgentLoop(cfg *config.Config, msgBus *bus.MessageBus, provider providers.LLMProvider) *AgentLoop {
 	workspace := cfg.WorkspacePath()
-	os.MkdirAll(workspace, 0755)
+	if err := os.MkdirAll(workspace, 0755); err != nil {
+		logger.ErrorCF("agent", "Failed to create workspace directory",
+			map[string]interface{}{"path": workspace, "error": err.Error()})
+	}
 
 	restrict := cfg.Agents.Defaults.RestrictToWorkspace
 
diff --git a/pkg/config/config.go b/pkg/config/config.go
index fcdd21881..8599b9d40 100644
--- a/pkg/config/config.go
+++ b/pkg/config/config.go
@@ -213,8 +213,8 @@ type WebToolsConfig struct {
 type BrowserConfig struct {
 	Enabled       bool   `json:"enabled" env:"PICOCLAW_TOOLS_BROWSER_ENABLED"`
 	Protocol      string `json:"protocol" env:"PICOCLAW_TOOLS_BROWSER_PROTOCOL"`
-	CdpURL        string `json:"cdp_url" env:"PICOCLAW_TOOLS_BROWSER_CDP_URL"`
-	WsURL         string `json:"ws_url" env:"PICOCLAW_TOOLS_BROWSER_WS_URL"`
+	CdpURL        string `json:"cdp_url" env:"PICOCLAW_TOOLS_BROWSER_CDP_URL"`   // WebSocket URL for CDP protocol (Chromium/Browserless)
+	WsURL         string `json:"ws_url" env:"PICOCLAW_TOOLS_BROWSER_WS_URL"`     // WebSocket URL for Playwright wire protocol (Firefox/Camoufox); takes precedence over CdpURL if set
 	Token         string `json:"token" env:"PICOCLAW_TOOLS_BROWSER_TOKEN"`
 	Stealth       bool   `json:"stealth" env:"PICOCLAW_TOOLS_BROWSER_STEALTH"`
 	LaunchTimeout int    `json:"launch_timeout" env:"PICOCLAW_TOOLS_BROWSER_LAUNCH_TIMEOUT"`
diff --git a/pkg/tools/browser.go b/pkg/tools/browser.go
index fe6ccd62a..3e536f856 100644
--- a/pkg/tools/browser.go
+++ b/pkg/tools/browser.go
@@ -240,8 +240,12 @@ func (t *BrowserTool) ensureConnected() error {
 	// Reuse existing page from browser context if available (common for CDP)
 	var page playwright.Page
 	contexts := browser.Contexts()
-	if len(contexts) > 0 && len(contexts[0].Pages()) > 0 {
-		page = contexts[0].Pages()[0]
+	var pages []playwright.Page
+	if len(contexts) > 0 {
+		pages = contexts[0].Pages()
+	}
+	if len(pages) > 0 {
+		page = pages[0]
 	} else {
 		page, err = browser.NewPage()
 		if err != nil {
@@ -623,7 +627,9 @@ func (t *BrowserTool) doCookies(args map[string]interface{}) *ToolResult {
 		}
 
 		if len(toReAdd) > 0 {
-			browserCtx.AddCookies(toReAdd)
+			if err := browserCtx.AddCookies(toReAdd); err != nil {
+				return &ToolResult{ForLLM: fmt.Sprintf("Error re-adding cookies after delete: %v", err)}
+			}
 		}
 
 		return &ToolResult{ForLLM: fmt.Sprintf("Cookie %q deleted", name)}