feat: custom commands (#133)

* Implement custom commands

* Add User: prefix

* Reuse var

* Check if the agent is busy and if so report a warning

* Update README

* fix typo

* Implement user and project scoped custom commands

* Allow for $ARGUMENTS

* UI tweaks

* Update internal/tui/components/dialog/arguments.go

Co-authored-by: Kujtim Hoxha <[email protected]>

* Also search in $HOME/.opencode/commands

---------

Co-authored-by: Kujtim Hoxha <[email protected]>

1 files changed, 11 insertions, 0 deletions

diff --git a/internal/tui/page/chat.go b/internal/tui/page/chat.go
index 378575f4d..14c514278 100644
--- a/internal/tui/page/chat.go
+++ b/internal/tui/page/chat.go
@@ -11,6 +11,7 @@ import (
 	"github.com/opencode-ai/opencode/internal/session"
 	"github.com/opencode-ai/opencode/internal/status"
 	"github.com/opencode-ai/opencode/internal/tui/components/chat"
+	"github.com/opencode-ai/opencode/internal/tui/components/dialog"
 	"github.com/opencode-ai/opencode/internal/tui/layout"
 	"github.com/opencode-ai/opencode/internal/tui/util"
 )
@@ -64,6 +65,16 @@ func (p *chatPage) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 		if cmd != nil {
 			return p, cmd
 		}
+	case dialog.CommandRunCustomMsg:
+		// Check if the agent is busy before executing custom commands
+		if p.app.CoderAgent.IsBusy() {
+			return p, util.ReportWarn("Agent is busy, please wait before executing a command...")
+		}
+		// Handle custom command execution
+		cmd := p.sendMessage(msg.Content)
+		if cmd != nil {
+			return p, cmd
+		}
 	case chat.SessionSelectedMsg:
 		if p.session.ID == "" {
 			cmd := p.setSidebar()