feat(javascript): recover runtime semantic effects

src/application/JavaScriptSemanticGraphFingerprintProjection.ts

@@ -0,0 +1,39 @@
+import {
+  createJavaScriptSemanticFingerprint,
+  type JavaScriptSemanticGraph,
+  type JavaScriptSemanticGraphNode,
+} from "../domain/javascriptSemanticGraph.js";
+import type { JavaScriptSemanticIr } from "../domain/javascriptSemanticIr.js";
+import type { JavaScriptArtifactFile } from "./JavaScriptArtifactFiles.js";
+import { observedSemanticEvidence } from "./JavaScriptSemanticGraphEvidence.js";
+
+/** Bind domain fingerprint components to exact semantic function nodes. */
+export const projectSemanticFunctionFingerprints = (
+  file: JavaScriptArtifactFile,
+  ir: JavaScriptSemanticIr,
+  callableNodes: ReadonlyMap<string, JavaScriptSemanticGraphNode>,
+): JavaScriptSemanticGraph["fingerprints"][number][] =>
+  ir.functionFingerprints.flatMap((fingerprint) => {
+    const callable = callableNodes.get(fingerprint.callableId);
+    if (callable === undefined) return [];
+    return [
+      createJavaScriptSemanticFingerprint({
+        function_node_id: callable.node_id,
+        algorithm: "rea.javascript-semantic-function/v1",
+        status: fingerprint.status,
+        components: {
+          parameter_arity: fingerprint.components.parameterArity,
+          normalized_ast_sha256: fingerprint.components.normalizedAstSha256,
+          control_flow_sha256: fingerprint.components.controlFlowSha256,
+          relation_shape_sha256: fingerprint.components.relationShapeSha256,
+          literal_set_sha256: fingerprint.components.literalSetSha256,
+          effects: fingerprint.components.effects,
+        },
+        limitations: fingerprint.limitations,
+        evidence: observedSemanticEvidence(
+          file,
+          callable.identity.source_range,
+        ),
+      }),
+    ];
+  });