From f53f3be1e867c392d7925ccf4ebb4912687ca811 Mon Sep 17 00:00:00 2001
From: Benjamin Sutter <beni_sutter@hotmail.com>
Date: Sun, 30 Aug 2026 17:41:48 +0200
Subject: [PATCH] fix(livia): Dateiendungen in den Importen der serverlosen
 Funktion
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Erster Produktionslauf schlug mit HTTP 500 fehl, lokal lief derselbe Code
grün. Ursache: Vercel kompiliert jede Datei einzeln statt sie zu bündeln, und
weil das Projekt `"type": "module"` ist, verlangt Nodes ESM-Lader explizite
Dateiendungen in relativen Importen. Vite löst im Entwicklungsbetrieb
grosszügiger auf und verdeckt das.

Das ist genau die Klasse Fehler, die kein Typecheck und kein Test findet — nur
ein echter Aufruf gegen die deployte Funktion.

Geprüft gegen Produktion: HTTP 200, 20 Einträge aus 3/3 Quellen in 24
Sekunden, Beurteilung läuft, Originalquellen verlinkt, keine Laufzeitfehler.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
---
 api/_lib/researchAnalysis.ts  | 4 ++--
 api/_lib/researchSources.ts   | 2 +-
 api/livia/research/refresh.ts | 8 ++++----
 3 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/api/_lib/researchAnalysis.ts b/api/_lib/researchAnalysis.ts
index 760e342..55c894d 100644
--- a/api/_lib/researchAnalysis.ts
+++ b/api/_lib/researchAnalysis.ts
@@ -11,8 +11,8 @@
 
 import Anthropic from '@anthropic-ai/sdk'
 import { z } from 'zod'
-import type { ResearchItem } from './researchSources'
-import type { ResearchLead } from '../../src/domain/researchLead'
+import type { ResearchItem } from './researchSources.js'
+import type { ResearchLead } from '../../src/domain/researchLead.js'
 
 /**
  * Der Beurteilungsauftrag (§12).
diff --git a/api/_lib/researchSources.ts b/api/_lib/researchSources.ts
index ccd6d1a..f78dc9c 100644
--- a/api/_lib/researchSources.ts
+++ b/api/_lib/researchSources.ts
@@ -11,7 +11,7 @@
  */
 
 import * as cheerio from 'cheerio'
-import { RESEARCH_SOURCES } from '../../src/lib/researchSources'
+import { RESEARCH_SOURCES } from '../../src/lib/researchSources.js'
 
 /** Gemeinsames Minimalformat aller Quellen (§9). */
 export interface ResearchItem {
diff --git a/api/livia/research/refresh.ts b/api/livia/research/refresh.ts
index c29dce8..8140bcd 100644
--- a/api/livia/research/refresh.ts
+++ b/api/livia/research/refresh.ts
@@ -19,10 +19,10 @@ import {
   fetchZhkResearch,
   fetchGreaterZurichResearch,
   fetchZefixResearch,
-} from '../../_lib/researchSources'
-import type { ResearchItem } from '../../_lib/researchSources'
-import { analyzeResearchItems } from '../../_lib/researchAnalysis'
-import type { ResearchRefreshResult, ResearchSourceResult } from '../../../src/domain/researchLead'
+} from '../../_lib/researchSources.js'
+import type { ResearchItem } from '../../_lib/researchSources.js'
+import { analyzeResearchItems } from '../../_lib/researchAnalysis.js'
+import type { ResearchRefreshResult, ResearchSourceResult } from '../../../src/domain/researchLead.js'
 
 interface Quelle {
   id: string