Fix: remove claude-specific reference from hooks.

build: add platform_dir and dispatcher_name to all hook wrapper/plugin templates

feat(hooks): platform-aware path checks using platform_dir and dispatcher_name from JSON input

test: update regression snapshot for platform-aware hook wrappers and scripts

adapters/opencode/templates/plugin-stub.js.tmpl

@@ -43,6 +43,8 @@ function buildPayload(eventName, input) {
     session_id: (input && input.sessionId) || "",
     cwd: (input && input.cwd) || process.cwd(),
     framework: "opencode",
+    platform_dir: ".opencode",
+    dispatcher_name: "AGENTS.md",
   };
 }