fix(skills): 统一服务图标为纯白 (#65)

## Summary / 摘要

Normalize the Configure Compute, Using Services, and Register Services
source SVG icons to pure white.

将“配置算力”、“使用服务”和“注册服务”的源 SVG 图标统一为纯白。

## Version / 版本

- Market: `1.2.16` → `1.2.17`
- Each affected skill: `1.0.2` → `1.0.3`

## Validation / 验证

- `uv run scripts/i18n/validate-i18n.py`
- `uv run scripts/i18n/translate.py --check`
- Parsed all three SVGs and asserted their only hex color is `#FFFFFF`
- `git diff --check`

manifest.json

@@ -1,6 +1,6 @@
 {
   "name": "DesireCore Official Market",
-  "version": "1.2.16",
+  "version": "1.2.17",
   "schemaVersion": "1.1.0",
   "supportedLocales": ["zh-CN", "en-US"],
   "defaultLocale": "en-US",
@@ -28,7 +28,7 @@
   "stats": {
     "totalAgents": 1,
     "totalSkills": 53,
-    "lastUpdated": "2026-07-22"
+    "lastUpdated": "2026-07-29"
   },
   "features": [
     "curated-index",