refactor(query): deepen command/dispatch seams and resolve coderabbit findings

* refactor(query): deepen command definition seam and fold fallback mapping cleanup

* refactor(query): add shared dispatch formatting module seam

* fix(query): restore QueryResult type import in dispatch deps

* test/query: align raw-output policy and definition normalization contracts

* refactor(query): deepen diagnosis, invariant report, and error taxonomy seams

* refactor(query): deepen dispatch plan, fallback bridge, policy snapshot, and hints seams

* refactor(query): deepen validation, fallback policy, capability, and result builder seams

* refactor(query): deepen resolution strategy, output classifier, observability, and policy-capability seams

* refactor(query): finalize deep strategy/classifier/observability/capability seams

* test/query: address coderabbit inline and out-of-diff dispatch nits

* fix(query): address remaining coderabbit input-validation and bridge stderr threads

* fix(query): address remaining coderabbit dispatch and strategy/output nits

sdk/src/query/query-dispatch-result-builder.ts

@@ -0,0 +1,19 @@
+import type { QueryDispatchError, QueryDispatchResult } from './query-dispatch-contract.js';
+
+export function dispatchFailure(error: QueryDispatchError, stderr: string[] = []): QueryDispatchResult {
+  return {
+    ok: false,
+    error,
+    stderr,
+    exit_code: error.code,
+  };
+}
+
+export function dispatchSuccess(stdout: string, stderr: string[] = []): QueryDispatchResult {
+  return {
+    ok: true,
+    stdout,
+    stderr,
+    exit_code: 0,
+  };
+}