release: v2.6.2

The installed_plugins.json file has two versions:
- v1: plugins stored as direct objects
- v2: plugins stored as arrays

Use discriminated union types (InstalledPluginsDatabaseV1/V2) for proper
type narrowing based on version field.

🤖 GENERATED WITH ASSISTANCE OF [OhMyOpenCode](https://github.com/code-yeongyu/oh-my-opencode)

package.json

@@ -1,6 +1,6 @@
 {
   "name": "oh-my-opencode",
-  "version": "2.6.0",
+  "version": "2.6.2",
   "description": "OpenCode plugin - custom agents (oracle, librarian) and enhanced features",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",

signatures/cla.json

@@ -55,6 +55,14 @@
       "created_at": "2025-12-27T14:49:05Z",
       "repoId": 1108837393,
       "pullRequestNo": 281
+    },
+    {
+      "name": "devxoul",
+      "id": 931655,
+      "comment_id": 3694098760,
+      "created_at": "2025-12-27T17:05:50Z",
+      "repoId": 1108837393,
+      "pullRequestNo": 288
     }
   ]
 }

src/features/claude-code-plugin-loader/loader.ts

@@ -14,6 +14,7 @@ import type { AgentFrontmatter } from "../claude-code-agent-loader/types"
 import type { ClaudeCodeMcpConfig, McpServerConfig } from "../claude-code-mcp-loader/types"
 import type {
   InstalledPluginsDatabase,
+  PluginInstallation,
   PluginManifest,
   LoadedPlugin,
   PluginLoadResult,
@@ -134,6 +135,15 @@ function isPluginEnabled(
   return true
 }
 
+function extractPluginEntries(
+  db: InstalledPluginsDatabase
+): Array<[string, PluginInstallation | undefined]> {
+  if (db.version === 1) {
+    return Object.entries(db.plugins).map(([key, installation]) => [key, installation])
+  }
+  return Object.entries(db.plugins).map(([key, installations]) => [key, installations[0]])
+}
+
 export function discoverInstalledPlugins(options?: PluginLoaderOptions): PluginLoadResult {
   const db = loadInstalledPlugins()
   const settings = loadClaudeSettings()
@@ -147,15 +157,14 @@ export function discoverInstalledPlugins(options?: PluginLoaderOptions): PluginL
   const settingsEnabledPlugins = settings?.enabledPlugins
   const overrideEnabledPlugins = options?.enabledPluginsOverride
 
-  for (const [pluginKey, installations] of Object.entries(db.plugins)) {
-    if (!installations || installations.length === 0) continue
+  for (const [pluginKey, installation] of extractPluginEntries(db)) {
+    if (!installation) continue
 
     if (!isPluginEnabled(pluginKey, settingsEnabledPlugins, overrideEnabledPlugins)) {
       log(`Plugin disabled: ${pluginKey}`)
       continue
     }
 
-    const installation = installations[0]
     const { installPath, scope, version } = installation
 
     if (!existsSync(installPath)) {

src/features/claude-code-plugin-loader/types.ts

@@ -20,14 +20,29 @@ export interface PluginInstallation {
   isLocal?: boolean
 }
 
+/**
+ * Installed plugins database v1 (legacy)
+ * plugins stored as direct objects
+ */
+export interface InstalledPluginsDatabaseV1 {
+  version: 1
+  plugins: Record<string, PluginInstallation>
+}
+
+/**
+ * Installed plugins database v2 (current)
+ * plugins stored as arrays
+ */
+export interface InstalledPluginsDatabaseV2 {
+  version: 2
+  plugins: Record<string, PluginInstallation[]>
+}
+
 /**
  * Installed plugins database structure
  * Located at ~/.claude/plugins/installed_plugins.json
  */
-export interface InstalledPluginsDatabase {
-  version: number
-  plugins: Record<string, PluginInstallation[]>
-}
+export type InstalledPluginsDatabase = InstalledPluginsDatabaseV1 | InstalledPluginsDatabaseV2
 
 /**
  * Plugin author information