chore(confidence-engine): expose reconstruction fallback path

lib/analysis.js

@@ -73,6 +73,7 @@ export async function analyseScenario(scenario, opts = {}) {
   const provider = getProvider();
   let rawResponse;
   let providerApiPath;
+  let providerExecution;
   try {
     const providerResult = await provider.generateReconstruction(
       promptObj.prompt,
@@ -86,6 +87,7 @@ export async function analyseScenario(scenario, opts = {}) {
     ) {
       rawResponse = providerResult.response;
       providerApiPath = providerResult.providerApiPath;
+      providerExecution = providerResult.providerExecution;
     } else {
       rawResponse = providerResult;
     }
@@ -95,6 +97,7 @@ export async function analyseScenario(scenario, opts = {}) {
       Date.now() - startTime,
       "500",
       e.providerApiPath,
+      e.providerExecution,
     );
   }
 
@@ -150,6 +153,7 @@ export async function analyseScenario(scenario, opts = {}) {
     promptVersion,
     compatibility,
     providerApiPath,
+    providerExecution,
   );
 }
 
@@ -169,7 +173,7 @@ function tryValidateAgainstSchema(data, schema) {
 
 // ── Result builders ──────────────────────────────────
 
-function buildErrorResponse(message, elapsed, statusCode = 500, providerApiPath) {
+function buildErrorResponse(message, elapsed, statusCode = 500, providerApiPath, providerExecution) {
   return {
     success: false,
     error: message,
@@ -180,6 +184,7 @@ function buildErrorResponse(message, elapsed, statusCode = 500, providerApiPath)
     promptVersion: null,
     statusCode,
     providerApiPath,
+    providerExecution,
   };
 }
 
@@ -233,6 +238,7 @@ function buildPartialResult(
   version,
   compatibility,
   providerApiPath,
+  providerExecution,
 ) {
   let errors = [];
   const validationIssues = error?.issues ?? [];
@@ -260,6 +266,7 @@ function buildPartialResult(
     errors,
     validationIssues,
     providerApiPath,
+    providerExecution,
     ...buildCompatibilityDiagnostics(compatibility),
   };
 }