feat(workflow): add declarative ModeratorTable type and migrate templates

Migrate workflow-template-develop and workflow-template-solve-issue
moderators to use the declarative ModeratorTable/tableToModerator
pattern. Update workflow-runtime re-exports and workflow-execute
engine to use renamed types.

Fixes #172

packages/workflow-runtime/src/index.ts

@@ -9,9 +9,13 @@ export type {
   ExtractContext,
   ExtractFn,
   ExtractResult,
+  FALLBACK,
   LlmProvider,
   Moderator,
+  ModeratorCondition,
   ModeratorContext,
+  ModeratorTable,
+  ModeratorTransition,
   Result,
   RoleDefinition,
   RoleMeta,
@@ -28,4 +32,4 @@ export type {
   WorkflowRoleSchema,
   WorkflowRuntime,
 } from "./types.js";
-export { END, START } from "./types.js";
+export { END, START, tableToModerator } from "./types.js";