fix: support new OpenSpec OPSX detection via config.yaml

OpenSpec has migrated to OPSX which uses openspec/config.yaml instead of AGENTS.md for project detection. This change adds support for the new format while maintaining backward compatibility with legacy projects.

Bump version to 0.1.2

Fixes #4

Author: Octane0411

package.json

@@ -1,6 +1,6 @@
 {
   "name": "opencode-plugin-openspec",
-  "version": "0.1.1",
+  "version": "0.1.2",
   "description": "An OpenCode plugin that integrates OpenSpec, providing a dedicated agent for planning and specifying software architecture.",
   "type": "module",
   "main": "dist/index.js",

src/utils/detection.ts

@@ -4,13 +4,15 @@ import { join } from "node:path";
 
 /**
  * Checks if the current workspace is an OpenSpec project.
- * 
+ *
  * Detection logic:
- * 1. Checks for `openspec/AGENTS.md` (Primary indicator)
- * 2. Checks for `AGENTS.md` in root (Secondary indicator)
+ * 1. Checks for `openspec/config.yaml` (Primary indicator - new OPSX format)
+ * 2. Checks for `openspec/AGENTS.md` (Fallback - legacy format)
  */
 export async function isOpenSpecProject(ctx: PluginInput): Promise<boolean> {
-  const openspecAgentsPath = join(ctx.directory, "openspec", "AGENTS.md");
+  const openspecDir = join(ctx.directory, "openspec");
+  const configYamlPath = join(openspecDir, "config.yaml");
+  const agentsMdPath = join(openspecDir, "AGENTS.md");
 
-  return existsSync(openspecAgentsPath);
+  return existsSync(configYamlPath) || existsSync(agentsMdPath);
 }