fix: always show all 9 soft factors in score breakdown

Previously factors with weight=0 (e.g. Steuerlast for Innovatech)
were invisible. Now all 9 factors appear in allSoftFactors; only
weighted ones contribute to the score calculation.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/features/matching/scoreCalculator.ts

@@ -362,11 +362,12 @@ export function calculateScore(need: Need, property: Property): MatchEngineOutpu
   const hardMatchScore = hardWeightSum > 0 ? Math.min(100, Math.round(hardRaw / hardWeightSum)) : 0
 
   // ── Soft factor scoring ────────────────────────────────────────────────────
-  const softFactors: ScoreFactor[] = SOFT_FACTOR_KEYS
-    .filter(k => (profile[k] ?? 0) > 0)
-    .map(k => scoreSoftFactor(k, profile[k], property))
+  // All 9 factors always included in output so breakdown is always complete.
+  // Only weighted factors (weight > 0) contribute to the score calculation.
+  const allSoftDisplay: ScoreFactor[] = SOFT_FACTOR_KEYS
+    .map(k => scoreSoftFactor(k, profile[k] ?? 0, property))
   const softWeightSum = SOFT_FACTOR_KEYS.reduce((s, k) => s + (profile[k] ?? 0), 0)
-  const softRaw = softFactors.reduce((s, f) => s + f.contribution, 0)
+  const softRaw = allSoftDisplay.filter(f => f.weight > 0).reduce((s, f) => s + f.contribution, 0)
   const softFactorScore = softWeightSum > 0 ? Math.min(100, Math.round(softRaw / softWeightSum)) : 50
 
   // ── Modifiers ──────────────────────────────────────────────────────────────
@@ -379,8 +380,9 @@ export function calculateScore(need: Need, property: Property): MatchEngineOutpu
   const rawFinal = baseScore + dqMod + confMod - hardFilter.severePenalty
   const finalScore = Math.round(Math.min(100, Math.max(0, rawFinal)))
 
-  // ── Factor classification ──────────────────────────────────────────────────
-  const allFactors = [...hardFactors, ...softFactors]
+  // ── Factor classification — only use weighted soft factors for positive/negative ──
+  const weightedSoftFactors = allSoftDisplay.filter(f => f.weight > 0)
+  const allFactors = [...hardFactors, ...weightedSoftFactors]
   const THRESHOLD_POSITIVE = 70
   const THRESHOLD_NEGATIVE = 45
   const positiveFactors = allFactors
@@ -392,7 +394,7 @@ export function calculateScore(need: Need, property: Property): MatchEngineOutpu
     .sort((a, b) => a.contribution - b.contribution)
     .slice(0, 4)
 
-  const tradeOffs = analyzeTradeOffs(hardFactors, softFactors, need, property)
+  const tradeOffs = analyzeTradeOffs(hardFactors, weightedSoftFactors, need, property)
   const risks = analyzeRisks(property, hardFactors)
   const missingData = identifyMissingData(property, need)
 
@@ -408,7 +410,7 @@ export function calculateScore(need: Need, property: Property): MatchEngineOutpu
     positiveFactors,
     negativeFactors,
     allHardFactors: hardFactors,
-    allSoftFactors: softFactors,
+    allSoftFactors: allSoftDisplay,
     tradeOffs,
     risks,
     missingData,