feat(iace): Capability-Domain-Gating — Ghost 120→0, Leakage 25→0, Coverage 100%

Generische Pattern-Engine-Optimierung: behebt zwei Seiten derselben Wurzel
(inkonsistente Applicability-Deklaration ueber 1216 Patterns).

- Ghost-Patterns (120, feuerten nie): 34 nicht-erzeugbare Required-Tags via
  domaenenspezifische Keywords emittierbar gemacht -> 0.
- Cross-Domain-Leakage (25, feuerten ueberall): neuer text-getriebener
  Capability-Domain-Gate (pattern_domain_gates.go) — Pattern mit Fremdmaschine
  im Szenariotext bekommt dom_*-Tag als Required-Gate -> 0.
- Resolver: Komponente->TypicalEnergySources-Expansion (strukturierte Projekte).
- Benchmark: GT-Platzhalter-Filter; faithful Cross-GT-Narrative-Harness.
- Harte Regression-Guards: Ghosts=0, Leakage=0, Coverage>=90% (beide GTs).
- HP2000/HP2001 (Secondary-Harm-Demos) in AllowlistKnownGaps -> Suite gruen.

Echte Pipeline beide GTs: Coverage 100%/100%, 0 Leaks, 0 Ghosts.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

ai-compliance-sdk/internal/iace/pattern_coverage_test.go

@@ -67,6 +67,14 @@ var patternCategoryCompatibility = map[string]map[string]bool{
 // if anything not on that list has zero coverage.
 var AllowlistKnownGaps = map[string]string{
 	// hp-id -> rationale (must be filled when adding)
+	//
+	// HP2000/HP2001 are deliberate secondary-harm-chain DEMO patterns
+	// (GetSecondaryHarmDemoPatterns). Their value is the SecondaryHarms field
+	// (consumer-safety / product-liability chain), not a primary mitigation, so
+	// they intentionally carry no SuggestedMeasureIDs. Allowlisted rather than
+	// forced to inherit an ill-fitting measure.
+	"HP2000": "Secondary-harm DEMO (Cola-Flasche/Splitter): kein Primaer-Measure by design; Wert ist die SecondaryHarms-Kette. TODO: Primaer-Mechanik-Measure ergaenzen, falls aus Demo zu Produktiv-Pattern befoerdert.",
+	"HP2001": "Secondary-harm DEMO (Pharma Kreuzkontamination): Library hat kein Pharma-CIP-Measure; Wert ist die SecondaryHarms-Kette. TODO: CIP/material_environmental-Measure ergaenzen, falls befoerdert.",
 }
 
 func TestEveryPattern_HasCategoryCompatibleMeasure(t *testing.T) {