chore: remove legacy blender compression path

lib/blender.ts

@@ -1,49 +0,0 @@
-import { join } from 'path'
-import { existsSync } from 'fs'
-import { execFile } from 'child_process'
-import { promisify } from 'util'
-
-const execFileAsync = promisify(execFile)
-
-/**
- * Compress a GLTF/GLB model using Blender's Draco compression.
- * Returns { success: true } on success, or { success: false, error } on failure.
- * Callers should fall back to the original file on failure.
- */
-export async function compressWithBlender(
-  inputPath: string,
-  outputPath: string,
-): Promise<{ success: boolean; error?: string }> {
-  const blenderPath = process.env.BLENDER_PATH || 'blender'
-  const scriptPath = join(process.cwd(), 'scripts', 'compress.py')
-
-  if (!existsSync(scriptPath)) {
-    return { success: false, error: 'scripts/compress.py introuvable' }
-  }
-
-  try {
-    await execFileAsync(
-      blenderPath,
-      [
-        '--background',
-        '--python', scriptPath,
-        '--',
-        '-i', inputPath,
-        '-o', outputPath,
-        '--draco-level', '7',
-        '--texture-size', '512',
-        '-q',
-      ],
-      { timeout: 120_000 },
-    )
-
-    if (!existsSync(outputPath)) {
-      return { success: false, error: "Blender n'a pas produit de fichier compresse" }
-    }
-
-    return { success: true }
-  } catch (err) {
-    const message = err instanceof Error ? err.message : String(err)
-    return { success: false, error: `Compression Blender echouee: ${message}` }
-  }
-}