chore: fork dsh-better-sidebar v0.18.0 as dsh-apes-sidebar v1.0.0

- Rename dsh-better-sidebar → dsh-apes-sidebar across 74 files (262 occurrences)
- Bump version 0.18.0 → 1.0.0 (package.json + dsh.plugin.json + SIDEBAR_SERVICE_VERSION)
- Add forkedFrom metadata to package.json (upstream pin: commit 9e1a034)
- Add fork notice banner to README.md (MIT attribution preserved)
- Keep original MIT copyright (c) 2026 dsh-external
- Full gate green: typecheck + build (6 bundles) + test (1241 passed / 9 skipped)

src/context-types.ts

@@ -568,14 +568,14 @@ export interface SidebarContextShape {
 /**
  * The Context this plugin sees: the vendored cordis Context intersected with
  * the structural service faces above. Re-exported from the package root so a
- * consumer can `import type { Context } from 'dsh-better-sidebar'`.
+ * consumer can `import type { Context } from 'dsh-apes-sidebar'`.
  */
 export type Context = CordisContext & SidebarContextShape
 
 /**
  * Consumer-facing augmentation (deliberately the only one kept): a plugin
  * that imports `Context` from `@deepseek-ai/cordis` and does
- * `import type {} from 'dsh-better-sidebar'` sees `ctx.betterSidebar`
+ * `import type {} from 'dsh-apes-sidebar'` sees `ctx.betterSidebar`
  * without importing this package's own Context type.
  */
 declare module '@deepseek-ai/cordis' {