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feat(web): replace the @ mention with an /agent command, and stage both switches until send (#122)

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Co-authored-by: Claude Opus 5 (1M context) <noreply@anthropic.com>
This commit is contained in:
Yaowei Zheng
2026-07-29 23:37:37 +08:00
committed by GitHub
parent b9de3da879
commit 37fc715ce9
28 changed files with 1115 additions and 696 deletions
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packages/core/src/omnimessage/markers/origin-blocks.ts
+13 -8
View File
@@ -90,10 +90,10 @@ function fieldLines(body: string, keys: readonly string[]): Array<[string, strin
}
// ---------------------------------------------------------------------------
// [handoff_from] — @-mention handoff into a new conversation
// [handoff_from] — handoff into a new conversation with another agent
// ---------------------------------------------------------------------------
/** Origin info for an @-handoff new conversation: source agent is always present; the source Session is omitted while it's still a draft. */
/** Origin info for a handoff's new conversation: source agent is always present; the source Session is omitted while it's still a draft. */
export interface HandoffOrigin {
agentId: string;
agentName?: string;
@@ -103,11 +103,16 @@ export interface HandoffOrigin {
}
/**
* First message of an @-handoff new conversation (English): the `[handoff_from]` block states
* that this conversation was opened by an @ mention and carries the source agent / Session /
* Workspace, so the @-mentioned agent knows its origin (e.g. defaulting to the source agent as
* its working target, or reaching source files via the Workspace path). The parenthetical
* label is omitted when the display name/title equals the id or is absent.
* First message of a handoff's new conversation (English): the `[handoff_from]` block states
* that another conversation handed this one over (the Web composer's `/agent` command) and
* carries the source agent / Session / Workspace, so the receiving agent knows its origin
* (e.g. defaulting to the source agent as its working target, or reaching source files via the
* Workspace path). The parenthetical label is omitted when the display name/title equals the id
* or is absent.
*
* The prose is deliberately trigger-agnostic — the tag and the fields are a persisted format
* (old Traces still render through this parser), so the wording must survive the composer
* swapping how a handoff is started, as it did when `/agent` replaced the `@` mention.
*/
export function buildHandoffMessage(origin: HandoffOrigin): string {
const name =
@@ -121,7 +126,7 @@ export function buildHandoffMessage(origin: HandoffOrigin): string {
return markerBlock(
MARKER_TAGS.handoffFrom,
[
"This conversation was opened by @-mentioning you from another conversation; its origin is listed below and the user's message, if any, follows. When the request refers to an agent, session, or files without naming them, it means this origin.",
"The user handed this conversation to you from another one; its origin is listed below and the user's message, if any, follows. When the request refers to an agent, session, or files without naming them, it means this origin.",
...lines,
].join("\n"),
);
packages/core/src/omnimessage/markers/tags.ts
+1 -1
View File
@@ -21,7 +21,7 @@ export const MARKER_TAGS = {
goal: "goal",
/** Skill invocation block prefixed to a user message (Web composer). */
useSkills: "use_skills",
/** @-handoff origin block, first message of the delegated conversation (Web). */
/** `/agent` handoff origin block, first message of the delegated conversation (Web). */
handoffFrom: "handoff_from",
/** Scheduled-task trigger origin block (server scheduler). */
scheduledTask: "scheduled_task",