fix(javascript): bound semantic unknown retention at projection

Admit unknowns before canonical construction and provenance interning. Offer independent per-file and application capacities through CLI, Evidence and the owned analysis worker, and reject over-allocation during streamed decoding.

Report examined omitted emission occurrences by family and reason without retaining discarded identities. Preserve omission-free graph identities and distinguish node truncation from overall partial coverage.

Fixes #4797

src/application/javascript/JavaScriptSemanticGraphChildProcessProjection.ts

@@ -1,4 +1,3 @@
-import { createJavaScriptSemanticGraphUnknown } from "../../domain/javascript/javascriptSemanticGraph.js";
 import type { JavaScriptSemanticGraphNode } from "../../domain/javascript/javascriptSemanticGraphSchemas.js";
 import type {
   JavaScriptSemanticChildProcessInteraction,
@@ -233,19 +232,13 @@ const addSignalNode = (
 const addChildUnknown = (input: ChildUnknownInput): void => {
   const { context, node, location, relationKinds, detail, candidateNodeIds } =
     input;
-  addSemanticGraphUnknown(
-    context.state,
-    createJavaScriptSemanticGraphUnknown(
-      {
-        node_id: node?.node_id ?? null,
-        family: "child-process",
-        relation_kinds: relationKinds,
-        reason: input.reason ?? "ambiguous-target",
-        detail,
-        candidate_node_ids: candidateNodeIds,
-        evidence: unknownSemanticEvidence(context.file, location),
-      },
-      context.state.evidenceContexts,
-    ),
-  );
+  addSemanticGraphUnknown(context.state, {
+    node_id: node?.node_id ?? null,
+    family: "child-process",
+    relation_kinds: relationKinds,
+    reason: input.reason ?? "ambiguous-target",
+    detail,
+    candidate_node_ids: candidateNodeIds,
+    evidence: unknownSemanticEvidence(context.file, location),
+  });
 };