fix: sync Go Codex hook integration

sdks/go/cmd/elydora/plugins/codex.go

@@ -0,0 +1,165 @@
+package plugins
+
+import "fmt"
+
+// CodexPlugin manages OpenAI Codex user lifecycle hooks.
+type CodexPlugin struct{}
+
+func (p *CodexPlugin) Install(config InstallConfig) error {
+	if config.AgentID == "" {
+		return fmt.Errorf("agent ID is required")
+	}
+	configPath, err := codexConfigPath()
+	if err != nil {
+		return err
+	}
+	settings, exists, err := readHookJSONObject(configPath, "Codex hooks config")
+	if err != nil {
+		return err
+	}
+	if !exists {
+		settings = map[string]any{"description": codexOwnedDescription}
+	}
+	hooks, err := codexHooksObject(settings)
+	if err != nil {
+		return err
+	}
+	preGroups, err := codexEventGroups(hooks, "PreToolUse")
+	if err != nil {
+		return err
+	}
+	postGroups, err := codexEventGroups(hooks, "PostToolUse")
+	if err != nil {
+		return err
+	}
+	preGroups, _, err = withoutCodexHandlers(preGroups, "")
+	if err != nil {
+		return err
+	}
+	postGroups, _, err = withoutCodexHandlers(postGroups, "")
+	if err != nil {
+		return err
+	}
+
+	if config.GuardScriptPath == "" {
+		return fmt.Errorf("guard script path is required")
+	}
+	guardExists, err := regularFileExists(config.GuardScriptPath, "Elydora guard runtime")
+	if err != nil {
+		return err
+	}
+	if !guardExists {
+		return fmt.Errorf("Elydora guard runtime is missing: %s", config.GuardScriptPath)
+	}
+	hookPath, err := hookScriptPath(config.AgentID)
+	if err != nil {
+		return err
+	}
+	if config.HookScript != "" {
+		hookPath = config.HookScript
+	}
+	nodePath, err := resolveNodeRuntime()
+	if err != nil {
+		return err
+	}
+
+	hooks["PreToolUse"] = append(preGroups, codexMatcherGroup(
+		codexHandler(nodePath, config.GuardScriptPath, codexGuardStatusMessage),
+	))
+	hooks["PostToolUse"] = append(postGroups, codexMatcherGroup(
+		codexHandler(nodePath, hookPath, codexAuditStatusMessage),
+	))
+	next := cloneCodexObject(settings)
+	next["hooks"] = hooks
+
+	runtimeConfig := config
+	runtimeConfig.AgentName = codexAgentKey
+	if err := GenerateHookScript(hookPath, runtimeConfig); err != nil {
+		return fmt.Errorf("generate hook script: %w", err)
+	}
+	if err := writeHookJSONObjectAtomic(configPath, next); err != nil {
+		return fmt.Errorf("write Codex hooks config: %w", err)
+	}
+	fmt.Println("Codex: run /hooks to review and trust the Elydora hooks.")
+	return nil
+}
+
+func (p *CodexPlugin) Uninstall(agentID string) error {
+	configPath, err := codexConfigPath()
+	if err != nil {
+		return err
+	}
+	settings, exists, err := readHookJSONObject(configPath, "Codex hooks config")
+	if err != nil || !exists {
+		return err
+	}
+	hooks, err := codexHooksObject(settings)
+	if err != nil {
+		return err
+	}
+	preGroups, err := codexEventGroups(hooks, "PreToolUse")
+	if err != nil {
+		return err
+	}
+	postGroups, err := codexEventGroups(hooks, "PostToolUse")
+	if err != nil {
+		return err
+	}
+	filteredPre, preChanged, err := withoutCodexHandlers(preGroups, agentID)
+	if err != nil {
+		return err
+	}
+	filteredPost, postChanged, err := withoutCodexHandlers(postGroups, agentID)
+	if err != nil {
+		return err
+	}
+	if !preChanged && !postChanged {
+		return nil
+	}
+	hooks["PreToolUse"] = filteredPre
+	hooks["PostToolUse"] = filteredPost
+	if codexSettingsOwned(settings, hooks) {
+		return removeHookFile(configPath, "Codex hooks config")
+	}
+	next := cloneCodexObject(settings)
+	next["hooks"] = hooks
+	return writeHookJSONObjectAtomic(configPath, next)
+}
+
+func (p *CodexPlugin) Status() (PluginStatus, error) {
+	configPath, err := codexConfigPath()
+	status := PluginStatus{
+		AgentName:   codexAgentKey,
+		DisplayName: "OpenAI Codex",
+		ConfigPath:  configPath,
+	}
+	if err != nil {
+		return status, err
+	}
+	settings, exists, err := readHookJSONObject(configPath, "Codex hooks config")
+	if err != nil || !exists {
+		return status, err
+	}
+	hooks, err := codexHooksObject(settings)
+	if err != nil {
+		return status, err
+	}
+	guard, err := findCodexHandler(hooks, "PreToolUse", codexGuardStatusMessage)
+	if err != nil {
+		return status, err
+	}
+	audit, err := findCodexHandler(hooks, "PostToolUse", codexAuditStatusMessage)
+	if err != nil {
+		return status, err
+	}
+	if guard == nil || audit == nil {
+		return status, nil
+	}
+	status.HookConfigured = true
+	status.HookScriptExists, err = codexRuntimeScriptsExist(guard, audit)
+	if err != nil {
+		return status, err
+	}
+	status.Installed = status.HookScriptExists
+	return status, nil
+}