fix(release): revert package identity to oh-my-opencode

Keep installer, config detection, schema generation, and publish workflows aligned with the long-lived oh-my-opencode package so this release does not split across two npm names.

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

src/shared/plugin-identity.test.ts

@@ -1,89 +1,48 @@
 import { describe, it, expect } from "bun:test"
-import {
-  PLUGIN_NAME,
-  LEGACY_PLUGIN_NAME,
-  CONFIG_BASENAME,
-  LEGACY_CONFIG_BASENAME,
-  LOG_FILENAME,
-  CACHE_DIR_NAME,
-  LEGACY_CACHE_DIR_NAME,
-} from "./plugin-identity"
+import { PLUGIN_NAME, CONFIG_BASENAME, LOG_FILENAME, CACHE_DIR_NAME } from "./plugin-identity"
 
 describe("plugin-identity constants", () => {
   describe("PLUGIN_NAME", () => {
-    it("equals oh-my-openagent", () => {
-      // given
-
-      // when
-
-      // then
-      expect(PLUGIN_NAME).toBe("oh-my-openagent")
-    })
-  })
-
-  describe("LEGACY_PLUGIN_NAME", () => {
     it("equals oh-my-opencode", () => {
       // given
 
       // when
 
       // then
-      expect(LEGACY_PLUGIN_NAME).toBe("oh-my-opencode")
+      expect(PLUGIN_NAME).toBe("oh-my-opencode")
     })
   })
 
   describe("CONFIG_BASENAME", () => {
-    it("equals oh-my-openagent", () => {
-      // given
-
-      // when
-
-      // then
-      expect(CONFIG_BASENAME).toBe("oh-my-openagent")
-    })
-  })
-
-  describe("LEGACY_CONFIG_BASENAME", () => {
     it("equals oh-my-opencode", () => {
       // given
 
       // when
 
       // then
-      expect(LEGACY_CONFIG_BASENAME).toBe("oh-my-opencode")
+      expect(CONFIG_BASENAME).toBe("oh-my-opencode")
     })
   })
 
   describe("LOG_FILENAME", () => {
-    it("equals oh-my-openagent.log", () => {
+    it("equals oh-my-opencode.log", () => {
       // given
 
       // when
 
       // then
-      expect(LOG_FILENAME).toBe("oh-my-openagent.log")
+      expect(LOG_FILENAME).toBe("oh-my-opencode.log")
     })
   })
 
   describe("CACHE_DIR_NAME", () => {
-    it("equals oh-my-openagent", () => {
-      // given
-
-      // when
-
-      // then
-      expect(CACHE_DIR_NAME).toBe("oh-my-openagent")
-    })
-  })
-
-  describe("LEGACY_CACHE_DIR_NAME", () => {
     it("equals oh-my-opencode", () => {
       // given
 
       // when
 
       // then
-      expect(LEGACY_CACHE_DIR_NAME).toBe("oh-my-opencode")
+      expect(CACHE_DIR_NAME).toBe("oh-my-opencode")
     })
   })
 })