feat: /rename /vim /feedback /tips, bell notification, session persistence, 45 commands

- /rename: name sessions for /resume identification
- /vim: toggle vim mode indicator
- /feedback: link to GitHub issues
- /tips: random helpful tips
- Terminal bell on query completion (notifies when focus lost)
- Session metadata auto-saved (model, turns, cost) after each query
- SessionTitle and VimToggle result fields
- Total: 45 slash commands, 5000+ lines

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: idoubi

internal/slash/commands.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
+	"math/rand"
 	"os"
 	"os/exec"
 	"path/filepath"
@@ -1047,6 +1048,65 @@ func (h *Handler) askCmd(args []string) Result {
 	}
 }
 
+// ─── /rename ──────────────────────────────────────
+
+func (h *Handler) renameCmd(args []string) Result {
+	if len(args) == 0 {
+		return Result{Message: "Usage: /rename <title>\n\nGive this session a name for easy identification in /resume."}
+	}
+	title := strings.Join(args, " ")
+	// Store in session - will be saved on next session update
+	return Result{
+		Message:      fmt.Sprintf("Session renamed to: %s", title),
+		SessionTitle: title,
+	}
+}
+
+// ─── /vim ─────────────────────────────────────────
+
+func (h *Handler) vimCmd(args []string) Result {
+	return Result{
+		Message:   "Vim mode toggled.",
+		VimToggle: true,
+	}
+}
+
+// ─── /feedback ────────────────────────────────────
+
+func (h *Handler) feedbackCmd(args []string) Result {
+	return Result{
+		Message: "Report issues at: https://github.com/codeany-ai/codeany/issues\n\nPlease include:\n1. What you expected\n2. What happened\n3. Steps to reproduce\n4. codeany version (run: codeany version)",
+	}
+}
+
+// ─── /tips ────────────────────────────────────────
+
+func (h *Handler) tipsCmd(args []string) Result {
+	tips := []string{
+		"Use /fast to quickly switch to a cheaper, faster model",
+		"Use /plan to think through complex tasks before executing",
+		"Use /commit to let the agent create git commits with good messages",
+		"Use Ctrl+O to expand/collapse tool output",
+		"Use ! <cmd> to run shell commands inline",
+		"Create skills in .codeany/skills/ to teach the agent new abilities",
+		"Use /sec for a quick security review of your code",
+		"Use /ask for quick questions without tool overhead",
+		"Use /copy to copy the last response to your clipboard",
+		"Use /export to save the entire conversation to a file",
+		"Configure MCP servers in ~/.codeany/settings.json for extra tools",
+		"Use /context to see what files and rules the agent is reading",
+	}
+	// Pick a random tip
+	tip := tips[rng.Intn(len(tips))]
+	return Result{Message: fmt.Sprintf("Tip: %s\n\nType /tips again for another tip.", tip)}
+}
+
+var rng = newRNG()
+
+func newRNG() *rand.Rand {
+	return rand.New(rand.NewSource(time.Now().UnixNano()))
+}
+
 // ─── helpers ──────────────────────────────────────
 
 func min(a, b int) int {

internal/slash/slash.go

@@ -28,6 +28,8 @@ type Result struct {
 	ClearMessages bool
 	SkillPrompt   string // If set, send this as a prompt to the agent
 	PlanToggle    bool   // Toggle plan mode
+	SessionTitle  string // Rename current session
+	VimToggle     bool   // Toggle vim mode
 }
 
 // CommandDef defines a slash command with metadata
@@ -99,6 +101,12 @@ func AllCommands() []CommandDef {
 		{Name: "/refactor", Description: "Refactor code", HasArgs: true},
 		{Name: "/summary", Description: "Summarize project/codebase", HasArgs: true},
 		{Name: "/ask", Description: "Quick Q&A without tools", HasArgs: true},
+		// Session
+		{Name: "/rename", Description: "Rename current session", HasArgs: true},
+		// Misc
+		{Name: "/vim", Description: "Toggle vim mode"},
+		{Name: "/feedback", Description: "Report bugs or feedback"},
+		{Name: "/tips", Description: "Show a random tip"},
 	}
 }
 
@@ -234,6 +242,14 @@ func (h *Handler) Handle(input string) Result {
 		return h.summaryCmd(args)
 	case "/ask":
 		return h.askCmd(args)
+	case "/rename":
+		return h.renameCmd(args)
+	case "/vim":
+		return h.vimCmd(args)
+	case "/feedback":
+		return h.feedbackCmd(args)
+	case "/tips":
+		return h.tipsCmd(args)
 	default:
 		// Try skill invocation
 		if result, ok := h.HandleSkillInvocation(cmd, args); ok {

internal/tui/model.go

@@ -359,11 +359,21 @@ func (m *Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 		if m.agent != nil {
 			m.syncFinalState()
 		}
+		// Update session metadata
+		if m.session != nil {
+			msgs := 0
+			if m.agent != nil {
+				msgs = len(m.agent.GetMessages())
+			}
+			m.session.UpdateMeta(m.cfg.Model, msgs, m.currentCost, "")
+		}
 		m.streamingText.Reset()
 		m.activeTools = nil
 		m.thinkingText = ""
 		m.refreshViewport()
 		m.input.Focus()
+		// Ring terminal bell to notify user
+		fmt.Print("\a")
 		return m, nil
 
 	case permissionRequestMsg:
@@ -556,6 +566,15 @@ func (m *Model) handleInputKey(msg tea.KeyMsg) (tea.Model, tea.Cmd) {
 					Type: "system", Content: fmt.Sprintf("Plan mode: %s", modeStr), Timestamp: time.Now(),
 				})
 			}
+			if result.SessionTitle != "" && m.session != nil {
+				m.session.UpdateMeta(m.cfg.Model, 0, m.currentCost, result.SessionTitle)
+			}
+			if result.VimToggle {
+				// Vim mode is tracked as a visual indicator
+				m.blocks = append(m.blocks, DisplayBlock{
+					Type: "system", Content: "Vim mode toggled (visual indicator only in this version)", Timestamp: time.Now(),
+				})
+			}
 			m.refreshViewport()
 			// If the command produced a prompt for the agent, send it
 			if result.SkillPrompt != "" {