chore: remove build-time symlink and update install instructions

The project-root symlink (codev → dist/codev) is redundant for users
with a global symlink in ~/.local/bin. Cleaned up unused fs/path imports.

Co-Authored-By: Claude Big Pickle <noreply@anthropic.com>

README.md

@@ -74,7 +74,7 @@
 curl -fsSL https://raw.githubusercontent.com/chenbhao/Codev/main/install.sh | bash
 
 # source install
-git clone https://github.com/chenbhao/Codev.git && cd Codev && bun install && bun run build &&  bun run friend:build && ./Codev
+git clone https://github.com/chenbhao/Codev.git && cd Codev && bun install && bun run build &&  bun run friend:build && codev
 
 # if want global use bin file
 # cp dist/codev ~/.local/bin

scripts/build.ts

@@ -1,5 +1,5 @@
-import { chmodSync, cpSync, existsSync, mkdirSync, symlinkSync, unlinkSync } from 'fs'
-import { dirname, join, relative } from 'path'
+import { chmodSync, cpSync, existsSync, mkdirSync } from 'fs'
+import { dirname, join } from 'path'
 
 const pkg = await Bun.file(new URL('../package.json', import.meta.url)).json() as {
   name: string
@@ -163,11 +163,4 @@ if (!existsSync(vendorDir)) {
   console.log(`Copied vendor/ → ${vendorDir}/`)
 }
 
-// Create symlink at project root for convenient access
-const symlink = join(process.cwd(), 'codev')
-const symlinkTarget = relative(process.cwd(), outfile)
-try { unlinkSync(symlink) } catch { /* ignore */ }
-try { symlinkSync(symlinkTarget, symlink) } catch { /* ignore */ }
-
 console.log(`Built ${outfile}`)
-console.log(`Symlink ${symlink} → ${symlinkTarget}`)