Merge Modelfamily into modelinfo (#8763)

- Merge ModelFamily into ModelInfo
- Remove logic for adding instructions to apply patch
- Add compaction limit and visible context window to `ModelInfo`

codex-rs/core/src/config/mod.rs

@@ -268,7 +268,7 @@ pub struct Config {
     /// Additional filenames to try when looking for project-level docs.
     pub project_doc_fallback_filenames: Vec<String>,
 
-    // todo(aibrahim): this should be used in the override model family
+    // todo(aibrahim): this should be used in the override model info
     /// Token budget applied when storing tool/function outputs in the context manager.
     pub tool_output_token_limit: Option<usize>,
 
@@ -316,7 +316,7 @@ pub struct Config {
 
     /// Include the `apply_patch` tool for models that benefit from invoking
     /// file edits as a structured tool call. When unset, this falls back to the
-    /// model family's default preference.
+    /// model info's default preference.
     pub include_apply_patch_tool: bool,
 
     pub tools_web_search_request: bool,