Codex application override added.

internal/app/codex_events.go

@@ -0,0 +1,47 @@
+// Copyright (c) 2026 Storm Dragon
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+package app
+
+import (
+	"encoding/json"
+	"os"
+	"strings"
+
+	"git.stormux.org/storm/fenrir/internal/applicationoverrides/codex"
+)
+
+func (a *application) codex_event(text string) string {
+	kind, payload, _ := strings.Cut(text, " ")
+	if kind != "CODEX" {
+		return "Unsupported application event"
+	}
+	var event codex.Event
+	if err := json.Unmarshal([]byte(payload), &event); err != nil {
+		return "Invalid Codex event JSON"
+	}
+	if a.options.TerminalMode {
+		if event.Window == "" || event.Window != os.Getenv("WINDOWID") || event.Terminal != 1 {
+			return "Codex event belongs to another terminal"
+		}
+	} else if event.Window != "" || event.Terminal != a.lastTerminal {
+		return "Codex event belongs to another terminal"
+	}
+	selected := a.overrides[event.Terminal]
+	if selected == nil || selected.id != "codex" {
+		return "Codex override is not selected"
+	}
+	if !selected.initialized || a.overrideTransition {
+		a.overrideDirty = true
+		return "Codex override is loading"
+	}
+	adapter, ok := selected.adapter.(*codex.Adapter)
+	if !ok {
+		return "Codex override is unavailable"
+	}
+	if err := adapter.Accept(event); err != nil {
+		return err.Error()
+	}
+	a.overrideDirty = true
+	return ""
+}