Add TypeScript definitions and update package configuration

Added TypeScript type definitions in `lib.d.ts` to improve developer experience and ensure type safety. Updated `package.json` to include the new "types" field and modified `.gitignore` to exclude additional unwanted files.

.gitignore

@@ -1,2 +1,4 @@
 /.idea/
-/node_modules/
+/node_modules/
+/prompt.md
+/todo

lib.d.ts

@@ -0,0 +1,50 @@
+export interface QueryResult {
+    confidence: number;
+    action: string;
+}
+
+export interface LLMService {
+    query(prompt: string): Promise<QueryResult>;
+}
+
+export interface State {
+    [key: string]: any;
+}
+
+export class DummyLlmService implements LLMService {
+    query(prompt: string): Promise<QueryResult>;
+}
+
+export class WorkflowOperator {
+    constructor(name: string, operation: (state: State) => Promise<State>);
+    name: string;
+    execute(state: State): Promise<State>;
+}
+
+export class ManifoldRegion {
+    constructor(name: string, operators?: WorkflowOperator[]);
+    name: string;
+    operators: WorkflowOperator[];
+    adjacentRegions: Set<ManifoldRegion>;
+    addOperator(operator: WorkflowOperator): void;
+    connectTo(region: ManifoldRegion): void;
+    getValidOperators(state: State): Promise<WorkflowOperator[]>;
+}
+
+export class NestedManifoldRegion extends ManifoldRegion {
+    constructor(name: string, nestedManifold: WorkflowFunctionManifold);
+    nestedManifold: WorkflowFunctionManifold;
+    navigate(prompt: string): Promise<boolean>;
+    executeWorkflow(prompt: string): Promise<boolean>;
+}
+
+export class WorkflowFunctionManifold {
+    constructor(llmService: LLMService);
+    llmService: LLMService;
+    regions: Map<string, ManifoldRegion | NestedManifoldRegion>;
+    currentRegion: ManifoldRegion | NestedManifoldRegion | null;
+    state: State;
+    addRegion(region: ManifoldRegion | NestedManifoldRegion): void;
+    navigate(prompt: string): Promise<boolean>;
+    executeWorkflow(prompt: string): Promise<boolean>;
+}

package.json

@@ -5,6 +5,7 @@
   "description": "for building dynamic, LLM-driven workflows using a region-based execution model",
   "main": "lib.js",
   "module": "lib.js",
+  "types": "lib.d.ts",
   "exports": {
     ".": {
       "import": "./lib.js",