feat: sync missing models from OpenRouter (fix watermark)

- Add 10 missing models released between 2026-06-30 and 2026-07-15
- OpenAI: GPT-5.6 Sol/Terra/Luna (+ Pro variants) — 6 models
- Anthropic: Claude Sonnet 5
- Google: Gemini 3.1 Flash Lite Image (Nano Banana 2 Lite)
- xAI: Grok 4.5
- Tencent: Hy3 (stable release, distinct from hy3-preview)
- Update .sync-watermark from 1782276303 to 1784554658
- presetDataVersion: 79 → 80

compute/model-specs/anthropic.json

@@ -1,6 +1,20 @@
 {
   "description": "Anthropic Claude 系列模型规格。参数来源：config-center compute/providers/anthropic.json。",
   "specs": [
+    {
+      "id": "claude-sonnet-5",
+      "displayName": "Claude Sonnet 5",
+      "family": "claude-sonnet-5",
+      "match": { "exact": ["claude-sonnet-5"], "patterns": ["claude-sonnet-5*"] },
+      "spec": {
+        "contextWindow": 1000000,
+        "maxOutputTokens": 128000,
+        "capabilities": ["chat", "reasoning", "code", "tool_use", "agent", "vision", "long_context"],
+        "serviceType": ["chat"],
+        "supportsReasoning": true,
+        "description": "Anthropic 最强 Sonnet 级模型，支持自适应思考（effort: low/medium/high/max）"
+      }
+    },
     {
       "id": "claude-fable-5",
       "displayName": "Claude Fable 5",