feat: 联调对话功能

api/diagnosis.ts

@@ -1,4 +1,5 @@
 import type { ClinicalCase } from './cases'
+import { FASTAPI_BASE_URL, authHeaders, readError, type ApiEnvelope } from './session'
 
 export type DiagnosisDraft = {
 	primaryDiagnosis: string
@@ -6,6 +7,12 @@ export type DiagnosisDraft = {
 	evidence: string
 }
 
+export type DiagnosisPayload = {
+	primary_diagnosis: string
+	differential_diagnoses: string[]
+	diagnosis_basis: string
+}
+
 export type DiagnosisContext = {
 	mentorAdvice: string
 	defaultDraft: DiagnosisDraft
@@ -26,11 +33,27 @@ export function fetchDiagnosisContext(caseItem?: ClinicalCase | null): Promise<D
 	})
 }
 
-export function submitDiagnosis(caseId: string, draft: DiagnosisDraft) {
-	return Promise.resolve({
-		id: `mock-diagnosis-${Date.now()}`,
-		caseId,
-		...draft,
-		submittedAt: new Date().toISOString()
+export async function submitDiagnosis(sessionId: number, draft: DiagnosisDraft) {
+	const payload: DiagnosisPayload = {
+		primary_diagnosis: draft.primaryDiagnosis.trim(),
+		differential_diagnoses: draft.differentialDiagnosis.map(item => item.trim()).filter(Boolean),
+		diagnosis_basis: draft.evidence.trim()
+	}
+
+	const response = await fetch(`${FASTAPI_BASE_URL}/sessions/${sessionId}/diagnosis`, {
+		method: 'POST',
+		headers: authHeaders(),
+		body: JSON.stringify(payload)
 	})
+
+	if (!response.ok) {
+		throw new Error(await readError(response))
+	}
+
+	const result = (await response.json()) as ApiEnvelope<unknown>
+	if (result.code !== 'OK') {
+		throw new Error(result.message || '诊断提交失败')
+	}
+
+	return result.data || payload
 }