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Why is the `OnPermissionRequest` event triggered twice for the same `PermissionRequestKindWrite` request?

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Assessment

Difficulty
4/5
Estimated time
3-5 days
Newbie friendliness
42/100
Issue type
Bug
Clarity
Needs clarification
Activity status
Quiet
Tech stack
go
Domain
api, backend-api-design

Research direction

Start by reproducing the duplicate callbacks with the shown permissionHandler and logging request.Kind(), request, invocation.SessionID, and requestID for PermissionRequestKindWrite. Trace where the OnPermissionRequest event is dispatched and compare both invocations, then verify that one logical write request produces one callback while preserving the existing permission decision flow.

Written by the indexing model from the issue text.

Description

question

Except for the requestID, the request and invocation in both calls are identical.

permissionHandler := func(request copilot.PermissionRequest, invocation copilot.PermissionInvocation) (copilotrpc.PermissionDecision, error) {
		requiresWriteConfirm := requiresWriteApproval(request)
		requestID := uuid.NewString()
		if request.Kind() == copilotrpc.PermissionRequestKindWrite {
			fmt.Printf("[Permission Check] invocation: %s, Kind: %v, Request: %+v\n", invocation.SessionID, request.Kind(), request)
		}
		h.pushBridgeEvent(session.userID, session.sessionID, "permission.request", gin.H{
			"request_id":             requestID,
			"kind":                   string(request.Kind()),
			"request":                request,
			"copilot_session_id":     fmt.Sprintf("%v", invocation.SessionID),
			"requires_write_confirm": requiresWriteConfirm,
			"session_id":             strconv.FormatInt(session.sessionID, 10),
		})

		if !requiresWriteConfirm {
			decision := copilotrpc.PermissionDecisionApproveOnce{}
			h.pushBridgeEvent(session.userID, session.sessionID, "permission.decision", gin.H{
				"request_id": requestID,
				"kind":       string(request.Kind()),
				"approved":   true,
			})
			return decision, nil
		}

		....
	}
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