docs: 重构 API 参考文档，拆分为独立文件并统一 CLI 风格格式

docs/api_reference/anthropic/retrieve.md

@@ -0,0 +1,217 @@
+## Retrieve
+
+`$ ant models retrieve`
+
+**get** `/v1/models/{model_id}`
+
+Get a specific model.
+
+The Models API response can be used to determine information about a specific model or resolve a model alias to a model ID.
+
+### Parameters
+
+- `--model-id: string`
+
+  Model identifier or alias.
+
+- `--beta: optional array of AnthropicBeta`
+
+  Optional header to specify the beta version(s) you want to use.
+
+### Returns
+
+- `model_info: object { id, capabilities, created_at, 4 more }`
+
+  - `id: string`
+
+    Unique model identifier.
+
+  - `capabilities: object { batch, citations, code_execution, 6 more }`
+
+    Model capability information.
+
+    - `batch: object { supported }`
+
+      Whether the model supports the Batch API.
+
+      - `supported: boolean`
+
+        Whether this capability is supported by the model.
+
+    - `citations: object { supported }`
+
+      Whether the model supports citation generation.
+
+      - `supported: boolean`
+
+        Whether this capability is supported by the model.
+
+    - `code_execution: object { supported }`
+
+      Whether the model supports code execution tools.
+
+      - `supported: boolean`
+
+        Whether this capability is supported by the model.
+
+    - `context_management: object { clear_thinking_20251015, clear_tool_uses_20250919, compact_20260112, supported }`
+
+      Context management support and available strategies.
+
+      - `clear_thinking_20251015: object { supported }`
+
+        Indicates whether a capability is supported.
+
+        - `supported: boolean`
+
+          Whether this capability is supported by the model.
+
+      - `clear_tool_uses_20250919: object { supported }`
+
+        Indicates whether a capability is supported.
+
+        - `supported: boolean`
+
+          Whether this capability is supported by the model.
+
+      - `compact_20260112: object { supported }`
+
+        Indicates whether a capability is supported.
+
+        - `supported: boolean`
+
+          Whether this capability is supported by the model.
+
+      - `supported: boolean`
+
+        Whether this capability is supported by the model.
+
+    - `effort: object { high, low, max, 3 more }`
+
+      Effort (reasoning_effort) support and available levels.
+
+      - `high: object { supported }`
+
+        Whether the model supports high effort level.
+
+        - `supported: boolean`
+
+          Whether this capability is supported by the model.
+
+      - `low: object { supported }`
+
+        Whether the model supports low effort level.
+
+        - `supported: boolean`
+
+          Whether this capability is supported by the model.
+
+      - `max: object { supported }`
+
+        Whether the model supports max effort level.
+
+        - `supported: boolean`
+
+          Whether this capability is supported by the model.
+
+      - `medium: object { supported }`
+
+        Whether the model supports medium effort level.
+
+        - `supported: boolean`
+
+          Whether this capability is supported by the model.
+
+      - `supported: boolean`
+
+        Whether this capability is supported by the model.
+
+      - `xhigh: object { supported }`
+
+        Indicates whether a capability is supported.
+
+        - `supported: boolean`
+
+          Whether this capability is supported by the model.
+
+    - `image_input: object { supported }`
+
+      Whether the model accepts image content blocks.
+
+      - `supported: boolean`
+
+        Whether this capability is supported by the model.
+
+    - `pdf_input: object { supported }`
+
+      Whether the model accepts PDF content blocks.
+
+      - `supported: boolean`
+
+        Whether this capability is supported by the model.
+
+    - `structured_outputs: object { supported }`
+
+      Whether the model supports structured output / JSON mode / strict tool schemas.
+
+      - `supported: boolean`
+
+        Whether this capability is supported by the model.
+
+    - `thinking: object { supported, types }`
+
+      Thinking capability and supported type configurations.
+
+      - `supported: boolean`
+
+        Whether this capability is supported by the model.
+
+      - `types: object { adaptive, enabled }`
+
+        Supported thinking type configurations.
+
+        - `adaptive: object { supported }`
+
+          Whether the model supports thinking with type 'adaptive' (auto).
+
+          - `supported: boolean`
+
+            Whether this capability is supported by the model.
+
+        - `enabled: object { supported }`
+
+          Whether the model supports thinking with type 'enabled'.
+
+          - `supported: boolean`
+
+            Whether this capability is supported by the model.
+
+  - `created_at: string`
+
+    RFC 3339 datetime string representing the time at which the model was released. May be set to an epoch value if the release date is unknown.
+
+  - `display_name: string`
+
+    A human-readable name for the model.
+
+  - `max_input_tokens: number`
+
+    Maximum input context window size in tokens for this model.
+
+  - `max_tokens: number`
+
+    Maximum value for the `max_tokens` parameter when using this model.
+
+  - `type: "model"`
+
+    Object type.
+
+    For Models, this is always `"model"`.
+
+### Example
+
+```cli
+ant models retrieve \
+  --api-key my-anthropic-api-key \
+  --model-id model_id
+```