refactor(HAI-116): rename kb to hai across all packages, CLI, and docs

- Rename npm packages from @kb/* to @hai/* and update all workspace references
- Rename CLI binary from kb to hai and config directory from .kb to .hai
- Update dashboard UI branding, titles, and references from kb to hai
- Update all test files, CI workflows, and documentation to reflect new naming
- Run comprehensive grep verification to ensure no stale kb references remain

package.json

@@ -1,15 +1,15 @@
 {
-  "name": "hai-workspace",
+  "name": "kb-workspace",
   "version": "0.0.0",
   "private": true,
   "type": "module",
   "packageManager": "pnpm@10.33.0",
   "scripts": {
     "dev": "tsx packages/cli/src/bin.ts",
-    "dev:ui": "pnpm --filter @hai/dashboard dev",
+    "dev:ui": "pnpm --filter @kb/dashboard dev",
     "build": "pnpm -r build",
-    "build:exe": "pnpm build && pnpm --filter hai build:exe",
-    "build:exe:all": "pnpm build && pnpm --filter hai build:exe:all",
+    "build:exe": "pnpm build && pnpm --filter @dustinbyrne/kb build:exe",
+    "build:exe:all": "pnpm build && pnpm --filter @dustinbyrne/kb build:exe:all",
     "test": "pnpm -r test",
     "typecheck": "pnpm -r typecheck",
     "changeset": "changeset",