fix: detect and warn about opencode-skills conflict

src/plugin-handlers/command-config-handler.ts

@@ -17,6 +17,11 @@ import {
   loadOpencodeProjectSkills,
   skillsToCommandDefinitionRecord,
 } from "../features/opencode-skill-loader";
+import {
+  detectExternalSkillPlugin,
+  getSkillPluginConflictWarning,
+  log,
+} from "../shared";
 import type { PluginComponents } from "./plugin-components-loader";
 
 export async function applyCommandConfig(params: {
@@ -31,6 +36,12 @@ export async function applyCommandConfig(params: {
   const includeClaudeCommands = params.pluginConfig.claude_code?.commands ?? true;
   const includeClaudeSkills = params.pluginConfig.claude_code?.skills ?? true;
 
+  // Detect conflicting skill plugins
+  const externalSkillPlugin = detectExternalSkillPlugin(params.ctx.directory);
+  if (externalSkillPlugin.detected) {
+    log(getSkillPluginConflictWarning(externalSkillPlugin.pluginName!));
+  }
+
   const [
     configSourceSkills,
     userCommands,

src/shared/external-plugin-detector.ts

@@ -120,28 +120,6 @@ function matchesSkillPlugin(entry: string): string | null {
   return null
 }
 
-/**
- * Check if a plugin entry matches a known skill plugin.
- * Handles various formats: "name", "name@version", "npm:name", "file://path/name"
- */
-function matchesSkillPlugin(entry: string): string | null {
-  const normalized = entry.toLowerCase()
-  for (const known of KNOWN_SKILL_PLUGINS) {
-    // Exact match
-    if (normalized === known) return known
-    // Version suffix: "opencode-skills@1.2.3"
-    if (normalized.startsWith(`${known}@`)) return known
-    // npm: prefix
-    if (normalized === `npm:${known}` || normalized.startsWith(`npm:${known}@`)) return known
-    // file:// path ending exactly with package name
-    if (normalized.startsWith("file://") && (
-      normalized.endsWith(`/${known}`) || 
-      normalized.endsWith(`\\${known}`)
-    )) return known
-  }
-  return null
-}
-
 export interface ExternalNotifierResult {
   detected: boolean
   pluginName: string | null
@@ -154,12 +132,6 @@ export interface ExternalSkillPluginResult {
   allPlugins: string[]
 }
 
-export interface ExternalSkillPluginResult {
-  detected: boolean
-  pluginName: string | null
-  allPlugins: string[]
-}
-
 /**
  * Detect if any external notification plugin is configured.
  * Returns information about detected plugins for logging/warning.
@@ -212,32 +184,6 @@ export function detectExternalSkillPlugin(directory: string): ExternalSkillPlugi
   }
 }
 
-/**
- * Detect if any external skill plugin is configured.
- * Returns information about detected plugins for logging/warning.
- */
-export function detectExternalSkillPlugin(directory: string): ExternalSkillPluginResult {
-  const plugins = loadOpencodePlugins(directory)
-  
-  for (const plugin of plugins) {
-    const match = matchesSkillPlugin(plugin)
-    if (match) {
-      log(`Detected external skill plugin: ${plugin}`)
-      return {
-        detected: true,
-        pluginName: match,
-        allPlugins: plugins,
-      }
-    }
-  }
-
-  return {
-    detected: false,
-    pluginName: null,
-    allPlugins: plugins,
-  }
-}
-
 /**
  * Generate a warning message for users with conflicting notification plugins.
  */
@@ -268,17 +214,3 @@ Both oh-my-opencode and ${pluginName} scan ~/.config/opencode/skills/ and regist
    2. Or disable oh-my-opencode's skill loading by setting "claude_code.skills": false in oh-my-opencode.json
    3. Or uninstall oh-my-opencode if you prefer ${pluginName}'s skill management`
 }
-
-/**
- * Generate a warning message for users with conflicting skill plugins.
- */
-export function getSkillPluginConflictWarning(pluginName: string): string {
-  return `[oh-my-openagent] WARNING: External skill plugin detected: ${pluginName}
-
-Both oh-my-openagent and ${pluginName} scan ~/.config/opencode/skills/ and register tools.
-Running both simultaneously causes "Duplicate tool names detected" errors.
-
-To fix this issue, either:
-1. Remove ${pluginName} from your opencode.json plugins
-2. Or disable skills in oh-my-openagent by setting "claude_code": { "skills": false } in oh-my-openagent.json`
-}