[ty] Add code action to ignore diagnostic on the current line (#21595)

crates/ty_python_semantic/resources/mdtest/suppressions/type_ignore.md

@@ -85,6 +85,50 @@ a = test \
   + 2  # type: ignore
 ```
 
+## Interpolated strings
+
+```toml
+[environment]
+python-version = "3.14"
+```
+
+Suppressions for expressions within interpolated strings can be placed after the interpolated string
+if it's a single-line interpolation.
+
+```py
+a = f"""
+{test}
+"""  # type: ignore
+```
+
+For multiline-interpolation, put the ignore comment on the expression's start or end line:
+
+```py
+a = f"""
+{
+  10 /  # type: ignore
+  0
+}
+"""
+
+a = f"""
+{
+  10 /
+  0  # type: ignore
+}
+"""
+```
+
+But not at the end of the f-string:
+
+```py
+a = f"""
+{
+  10 / 0  # error: [division-by-zero]
+}
+"""  # error: [unused-ignore-comment]  # type: ignore
+```
+
 ## Codes
 
 Mypy supports `type: ignore[code]`. ty doesn't understand mypy's rule names. Therefore, ignore the