Changeset 0.37.18 (#230)

Co-authored-by: gobha <jasafpro@gmail.com>
Co-committed-by: gobha <jasafpro@gmail.com>

docs/ICD/channels.md

@@ -454,10 +454,11 @@ Content-Type: multipart/form-data
 
 Field: `file`. Sets `origin: "user_upload"`. Returns the file object.
 
-**Create (tool output):** Tool-generated files are created internally
-by the tool execution loop. There is no public REST endpoint for
-tool output creation — the completion handler writes files directly
-via the store layer.
+**Create (tool output):** When `workspace_write` or `workspace_patch`
+tools succeed during a completion, the handler auto-records a file
+reference with `origin: "tool_output"` linked to the assistant message
+(v0.37.18). No public endpoint — created internally by the completion
+handler via the store layer.
 
 **List by channel:**