fix(comments): correct inaccurate WASM-parity claims in runPostNativeCha (#1514)

The comments said the confidence formula "mirrors the WASM path" but the
WASM path (runChaPostPass in helpers.ts) still uses hardcoded 0.8, not
computeConfidence - CHA_DISPATCH_PENALTY. Correct both comments to
accurately describe the native formula and cross-reference the TODO in
helpers.ts for the pending alignment.

Author: carlos-alm

src/domain/graph/builder/stages/native-orchestrator.ts

@@ -561,7 +561,8 @@ function runPostNativeCha(
 
   // Find existing call edges targeting qualified methods (e.g., 'IWorker.doWork').
   // Include the caller node's file so confidence can be computed file-pair-aware,
-  // matching the WASM path's computeConfidence(callerFile, targetFile, null) - CHA_DISPATCH_PENALTY formula.
+  // using computeConfidence(callerFile, targetFile, null) - CHA_DISPATCH_PENALTY.
+  // (The WASM path in runChaPostPass still uses a hardcoded 0.8 — see TODO there.)
   // When scopeToChangedFiles is true, restrict to call sites in the changed files
   // (safe because no hierarchy or RTA evidence changed outside those files).
   let callToMethods: Array<{ source_id: number; method_name: string; caller_file: string | null }>;
@@ -658,7 +659,8 @@ function runPostNativeCha(
             const key = `${source_id}|${methodNode.id}`;
             if (seen.has(key)) continue;
             seen.add(key);
-            // Compute confidence file-pair-aware (mirrors WASM path: computeConfidence - CHA_DISPATCH_PENALTY)
+            // Compute confidence file-pair-aware using computeConfidence - CHA_DISPATCH_PENALTY.
+            // (WASM path runChaPostPass uses 0.8; alignment tracked in helpers.ts TODO.)
             // Skip zero-confidence edges to match buildFileCallEdges / buildChaPostPass behaviour.
             const conf =
               computeConfidence(caller_file ?? '', methodNode.method_file ?? '', null) -