feat: 添加GPT-5.3 Codex支持并优化模型配置

- 添加新模型配置并移除重复的atlas配置项。
- 添加对 GPT-5.3 Codex 模型的支持并更新各模型的输入限制和模态配置。

opencode.jsonc

@@ -72,23 +72,35 @@
         "setCacheKey": true
       },
       "models": {
+        "gpt-5.3-codex": {
+          "name": "GPT-5.3 Codex",
+          "tool_call": true,
+          "reasoning": true,
+          "modalities": {
+            "input": ["text", "image", "pdf"],
+            "output": ["text"]
+          },
+          "limit": { "context": 400000, "input": 272000, "output": 128000 }
+        },
         "gpt-5.2": {
           "name": "GPT-5.2",
+          "tool_call": true,
           "reasoning": true,
           "modalities": {
             "input": ["text", "image"],
             "output": ["text"]
           },
-          "limit": { "context": 400000, "output": 128000 }
+          "limit": { "context": 400000, "input": 272000, "output": 128000 }
         },
         "gpt-5.2-codex": {
-          "name": "GPT-5.2-Codex",
+          "name": "GPT-5.2 Codex",
+          "tool_call": true,
           "reasoning": true,
           "modalities": {
-            "input": ["text", "image"],
+            "input": ["text", "image", "pdf"],
             "output": ["text"]
           },
-          "limit": { "context": 400000, "output": 128000 }
+          "limit": { "context": 400000, "input": 272000, "output": 128000 }
         }
       }
     }