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-policy-capability.ts

@@ -0,0 +1,27 @@
+import {
+  QUERY_MUTATION_COMMAND_LIST,
+  TRANSPORT_RAW_COMMANDS,
+  isQueryMutationCommand,
+} from './query-command-semantics.js';
+
+export const QUERY_POLICY_SNAPSHOT = {
+  mutation_commands: QUERY_MUTATION_COMMAND_LIST,
+  raw_output_commands: TRANSPORT_RAW_COMMANDS,
+} as const;
+
+const MUTATION_SET = new Set(QUERY_POLICY_SNAPSHOT.mutation_commands);
+const RAW_OUTPUT_SET = new Set(QUERY_POLICY_SNAPSHOT.raw_output_commands);
+
+export function supportsMutationCommand(command: string): boolean {
+  return MUTATION_SET.has(command);
+}
+
+export function supportsRawOutputCommand(command: string): boolean {
+  return RAW_OUTPUT_SET.has(command);
+}
+
+export {
+  QUERY_MUTATION_COMMAND_LIST,
+  TRANSPORT_RAW_COMMANDS,
+  isQueryMutationCommand,
+};