experiment(confidence-engine): expose reconstruction provider seam

lib/analysis.js

@@ -23,6 +23,8 @@ const MAX_SCENARIO_LENGTH = 10000;
  * @param {string} scenario - The scenario text to analyse
  * @param {object} [opts]
  * @param {"v0.1" | "v0.2"} [opts.promptVersion="v0.2"] - Prompt version to use
+ * @param {{ generateReconstruction: Function }} [opts.reconstructionProvider] - Experiment-only reconstruction provider override
+ * @param {string} [opts.reconstructionModelName] - Experiment-only model override for an injected provider
  * @returns {Promise<object>} Analysis result with diagnostics
  */
 export async function analyseScenario(scenario, opts = {}) {
@@ -70,14 +72,15 @@ export async function analyseScenario(scenario, opts = {}) {
   }
 
   // ── Call provider ──────────────────────────────────
-  const provider = getProvider();
+  const provider = opts.reconstructionProvider ?? getProvider();
+  const reconstructionModelName = opts.reconstructionModelName ?? OLLAMA_MODEL;
   let rawResponse;
   let providerApiPath;
   let providerExecution;
   try {
     const providerResult = await provider.generateReconstruction(
       promptObj.prompt,
-      OLLAMA_MODEL,
+      reconstructionModelName,
     );
     if (
       providerResult &&
@@ -122,7 +125,7 @@ export async function analyseScenario(scenario, opts = {}) {
   if (resultV2.valid) {
     return buildSuccessResultV2(
       resultV2.data,
-      OLLAMA_MODEL,
+      reconstructionModelName,
       duration,
       promptVersion,
       compatibility,
@@ -137,7 +140,7 @@ export async function analyseScenario(scenario, opts = {}) {
   if (resultV1.valid) {
     return buildSuccessResultV1(
       resultV1.data,
-      OLLAMA_MODEL,
+      reconstructionModelName,
       duration,
       promptVersion,
       compatibility,
@@ -148,7 +151,7 @@ export async function analyseScenario(scenario, opts = {}) {
   return buildPartialResult(
     rawResponseStr,
     resultV2.error ?? resultV1.error,
-    OLLAMA_MODEL,
+    reconstructionModelName,
     duration,
     promptVersion,
     compatibility,