feat: implement Deep Interlock coordination tracking in audit logs

- Add services_involved tracking to framework-audit-hook.js
- Hook now tracks which services are invoked for each tool use
- Pass services_involved array to all service contexts
- Update ContextPressureMonitor to log coordination in metadata.services_involved
- Update BoundaryEnforcer to log coordination in metadata.services_involved
- Enables 0% → X% coordination rate in audit log analysis
- Fixes HF Space showing 0.0% Deep Interlock coordination
- Services will now properly log when they coordinate on decisions

This implements the missing instrumentation for Deep Interlock (Principle #2).
Services were coordinating but not logging it - now audit trail will show
multi-service coordination patterns.

src/services/BoundaryEnforcer.service.js

@@ -895,7 +895,8 @@ class BoundaryEnforcer {
         enforcement_decision: result.allowed ? 'ALLOWED' : 'BLOCKED',
         framework_backed_decision: frameworkBacked, // PHASE 3: Track framework participation
         guidance_provided: frameworkBacked,
-        guidance_severity: result.guidance?.severity || null
+        guidance_severity: result.guidance?.severity || null,
+        services_involved: context.services_involved || []  // Deep Interlock coordination tracking
       }
     }).catch(error => {
       logger.error('Failed to audit enforcement decision', {

src/services/ContextPressureMonitor.service.js

@@ -920,7 +920,8 @@ class ContextPressureMonitor {
         },
         top_metric: this._getTopMetric(analysis.metrics),
         warnings_count: violations.length,
-        recommendations_count: analysis.recommendations?.length || 0
+        recommendations_count: analysis.recommendations?.length || 0,
+        services_involved: context.services_involved || []  // Deep Interlock coordination tracking
       }
     }).catch(error => {
       logger.error('[ContextPressureMonitor] Failed to audit pressure analysis', {