Typed editing DTO (Rust wire)

Web-проекция serde-форм. Typed DTO используют UTF-16 offsets и deny_unknown_fields. Полные receipt/projection DTO также входят в shell type appendix ниже.

type RequestId = string;
type DocumentId = string;
type SessionId = string;
type ViewId = string;
type StoryId = string;
type NodeId = string;
type Revision = number;
type SelectionRevision = number;
type Utf16Offset = number;
type Affinity = "upstream" | "downstream";

interface DocumentPosition {
  story_id: StoryId; node_id: NodeId; utf16_offset: Utf16Offset; affinity: Affinity;
}
interface DocumentRange { anchor: DocumentPosition; focus: DocumentPosition; }
interface DocumentSelection { range: DocumentRange; }

interface CharacterProperties {
  font_family?: string | null; font_size_half_points?: number | null;
  bold?: boolean | null; italic?: boolean | null;
  underline?: "none" | "single" | "double" | "dotted" | "thick" | "dash" | "wave" | null;
  color_rgb?: string | null;
  vertical_alignment?: "baseline" | "superscript" | "subscript" | null;
  highlight?: {mode:"color";color:string} | {mode:"clear"} | null;
  shading?: {mode:"fill";color_rgb:string} | {mode:"clear"} | null;
  strikethrough?: boolean | null;
  text_effect?: "none" | "outline" | "shadow" | "emboss" | "imprint" | null;
  change_case?: "sentence" | "lower" | "upper" | "capitalize" | "toggle" | null;
}
type LineSpacing =
  | {rule:"auto";twips:number} | {rule:"exact";twips:number}
  | {rule:"at_least";twips:number};
type ParagraphNumbering =
  | {action:"apply"|"continue";kind:"bullet"|"decimal";ilvl:number}
  | {action:"set_level";ilvl:number} | {action:"clear"};
interface ParagraphProperties {
  alignment?: "left"|"center"|"right"|"justify" | null;
  left_indent_twips?: number | null; right_indent_twips?: number | null;
  first_line_indent_twips?: number | null; line_spacing?: LineSpacing | null;
  shading?: {mode:"fill";color_rgb:string}|{mode:"clear"}|null;
  borders?: unknown; numbering?: ParagraphNumbering | null;
  style?: "normal"|"heading1"|"heading2"|"heading3" | null;
}
interface FragmentRun { text:string; properties:CharacterProperties; }
interface FragmentParagraph { runs:FragmentRun[]; properties:ParagraphProperties; }
interface DocumentFragment { paragraphs:FragmentParagraph[]; }

type EditCommand =
  | {type:"insert_text";at:DocumentPosition;text:string}
  | {type:"insert_tracked_text";text:string;expected_model_hash:string}
  | {type:"delete_range";range:DocumentRange}
  | {type:"delete_tracked_deletion_range";paragraph:DocumentPosition;deletion_index:number;start_utf16_offset:number;end_utf16_offset:number}
  | {type:"replace_range";range:DocumentRange;text:string}
  | {type:"split_paragraph";at:DocumentPosition}
  | {type:"split_paragraph_replacing_range";range:DocumentRange}
  | {type:"merge_paragraphs";left:DocumentPosition;right:DocumentPosition}
  | {type:"paste_plain_text";range:DocumentRange;text:string}
  | {type:"paste_fragment";range:DocumentRange;fragment:DocumentFragment}
  | {type:"set_character_properties";range:DocumentRange;properties:CharacterProperties}
  | {type:"set_paragraph_properties";range:DocumentRange;properties:ParagraphProperties}
  | {type:"clear_formatting";range:DocumentRange}
  | {type:"autocorrect";range:DocumentRange;replacement:string}
  | {type:"insert_merge_field";field_name:string;expected_model_hash:string}
  | {type:"apply_structural_snapshot";transition_kind:string;selection_after?:DocumentSelection|null}
  | {type:"undo"} | {type:"redo"};
interface EditRequest {
  request_id:RequestId; document_id:DocumentId; session_id:SessionId; view_id:ViewId;
  expected_revision:Revision; expected_selection_revision:SelectionRevision; command:EditCommand;
}
interface SelectionUpdateRequest {
  request_id:RequestId; document_id:DocumentId; session_id:SessionId; view_id:ViewId;
  expected_revision:Revision; expected_selection_revision:SelectionRevision;
  selection:DocumentSelection;
}
type CompositionCommand =
  | {type:"start"|"update";range:DocumentRange;text:string}
  | {type:"cancel"} | {type:"commit"};
interface CompositionRequest {
  request_id:RequestId; document_id:DocumentId; session_id:SessionId; view_id:ViewId;
  expected_revision:Revision; expected_selection_revision:SelectionRevision;
  command:CompositionCommand;
}
interface SaveCheckpointTarget {
  path:string; expected_hash?:string|null; expected_identity?:Record<string,unknown>|null;
}