✨ feat: add support for 'gemini' agent mode in chat

- Extend chat command handlers to include '/gemini' mode.
- Update chat logic and types to integrate new agent mode commands.
- Modify brain logic to handle 'gemini' related execution statuses and ensure correct provider initialization.

Author: nathfavour

cmd/vibeaura/chat_handlers.go

@@ -635,7 +635,7 @@ func (m *model) handleAgentCommand(parts []string) (tea.Model, tea.Cmd) {
 		if cfg.Mode == "custom" {
 			msg += helpStyle.Render(fmt.Sprintf(" (%s)", cfg.ActiveCustom))
 		}
-		msg += "\n\n" + helpStyle.Render("Usage: /agent <mode>\nModes: /auracle, /sdk, /custom (Agentic Vibes)")
+		msg += "\n\n" + helpStyle.Render("Usage: /agent <mode>\nModes: /auracle, /sdk, /gemini, /custom (Agentic Vibes)")
 		msg += "\n\n" + helpStyle.Render("Subcommands for /custom (Agentic Vibes):\n• /agent /custom /list\n• /agent /custom /use <name>\n• /agent /custom /add <name> <prompt>")
 		m.messages = append(m.messages, msg)
 		m.viewport.SetContent(m.renderMessages())
@@ -694,6 +694,8 @@ func (m *model) handleAgentCommand(parts []string) (tea.Model, tea.Cmd) {
 			icon = "🚀"
 		} else if mode == "custom" {
 			icon = "🌌"
+		} else if mode == "gemini" {
+			icon = "✨"
 		}
 		m.messages = append(m.messages, systemStyle.Render(" AGENT SWITCHED ")+"\n"+helpStyle.Render(fmt.Sprintf("%s Now using %s agentic runtime engine.", icon, strings.ToUpper(mode))))
 	}

cmd/vibeaura/chat_logic.go

@@ -284,7 +284,7 @@ func (m *model) applySuggestion() (tea.Model, tea.Cmd) {
 		"/sys":     {"/stats": true, "/env": true, "/update": true, "/logs": true},
 		"/mcp":     {"/list": true, "/logs": true},
 		"/skill":   {"/list": true},
-		"/agent":   {"/vibe": true, "/sdk": true},
+		"/agent":   {"/vibe": true, "/sdk": true, "/gemini": true},
 		"/session": {"/list": true, "/clear": true},
 	}
 

cmd/vibeaura/chat_types.go

@@ -388,7 +388,7 @@ var subCommands = map[string][]string{
 	"/sys":     {"/stats", "/env", "/update", "/logs"},
 	"/skill":   {"/list", "/info", "/load", "/disable"},
 	"/models":  {"/list", "/use", "/pull"},
-	"/agent":   {"/vibe", "/sdk", "/custom"},
+	"/agent":   {"/vibe", "/sdk", "/custom", "/gemini"},
 	"/session": {"/list", "/clear"},
 	"/connect": {"/list", "/new", "/join", "/close", "/clients"},
 	"/share":   {"/browser", "/tui", "/stop"},

internal/brain/brain.go

@@ -302,12 +302,23 @@ User Request (Thread ID: %s):
 		}, nil
 	}
 
-	if b.config.Agent.Mode == "auracle" {
+	if b.config.Agent.Mode == "auracle" || b.config.Agent.Mode == "vibe" {
 		if !silent {
 			tooling.ReportStatus("🔮", "agent-auracle", "Executing via internal Auracle...")
 		}
 	}
 
+	if b.config.Agent.Mode == "gemini" {
+		if !silent {
+			tooling.ReportStatus("✨", "agent-gemini", "Executing via native Gemini engine...")
+		}
+		// Ensure we are using the gemini-cli provider if in gemini agent mode
+		if b.config.Model.Provider != "gemini-cli" {
+			b.config.Model.Provider = "gemini-cli"
+			b.initProvider()
+		}
+	}
+
 	if b.config.Agent.Mode == "custom" {
 		var activeAgent *sys.CustomAgent
 		for _, a := range b.config.Agent.CustomAgents {

internal/brain/brain_agent.go

@@ -8,10 +8,10 @@ import (
 	"github.com/nathfavour/vibeauracle/sys"
 )
 
-// SetAgentMode switches between 'vibe', 'sdk', and 'custom' agentic runtimes
+// SetAgentMode switches between 'vibe', 'sdk', 'gemini', and 'custom' agentic runtimes
 func (b *Brain) SetAgentMode(mode string) error {
-	if mode != "vibe" && mode != "sdk" && mode != "custom" {
-		return fmt.Errorf("invalid agent mode: %s (must be 'vibe', 'sdk', or 'custom')", mode)
+	if mode != "vibe" && mode != "sdk" && mode != "custom" && mode != "gemini" {
+		return fmt.Errorf("invalid agent mode: %s (must be 'vibe', 'sdk', 'gemini', or 'custom')", mode)
 	}
 	b.config.Agent.Mode = mode
 	b.config.Agent.UserConfigured = true