Val Town Code SearchReturn to Val Town

7export const thinkTool = tool({
8  description:
9    "Use the tool to think about something. It will not obtain new information or change the database, but just append the thought to the log. Use it when complex reasoning or some cache memory is needed.",
10  parameters: z.object({
11    thought: z.string().describe("A thought to think about."),

174```
175├── backend/
176│   ├── database/
177│   │   ├── migrations.ts    # Schema definitions
178│   │   ├── queries.ts       # DB query functions
234  ```
235
236### Database Patterns
237- Run migrations on startup or comment out for performance
238- Change table names when modifying schemas rather than altering

1import { Hono } from "npm:hono";
2import Stripe from "npm:stripe";
3import { addCredits } from "../database/queries.tsx";
4import { getEnvVarName } from "../../shared/is-prod-branch.ts";
5

17  insertInferenceCall,
18  startTrackingUsage,
19} from "../database/queries.tsx";
20import {
21  makeChangeValTypeTool,

6const PRICE_MULTIPLIER = 1.5;
7
8// Eventually we'll have a user database,
9// but in the meantime, we can cache user info in memory
10const userIdCache: { [key: string]: any } = {};

1import { Hono } from "npm:hono";
2import Stripe from "npm:stripe";
3import { getUser } from "../database/queries.tsx";
4import { getEnvVarName } from "../../shared/is-prod-branch.ts";
5

9import favicon from "./frontend/favicon.http.tsx";
10import loginRoute from "./frontend/routes/login.tsx";
11import adminDashboard from "./backend/database/usage-dashboard/index.ts"
12
13const MODULE_URL = import.meta.resolve("./frontend/index.tsx");

198```
199├── backend/
200│   ├── database/
201│   │   ├── migrations.ts    # Schema definitions
202│   │   ├── queries.ts       # DB query functions
257  ```
258
259### Database Patterns
260- Run migrations on startup or comment out for performance
261- Change table names when modifying schemas rather than altering

1import { Hono } from "npm:hono";
2import { getUser, getCreditBalance } from "../database/queries.tsx";
3
4const app = new Hono();

14**Goal**: Replace limit checking with credit checking
15
16**Database Changes:**
17
18*   Added credit\_additions table with indexes for performance
21    
22
23**New Functions in /backend/database/queries.tsx:**
24
25*   getCreditBalance(userId) - calculates balance with 50% markup on usage
145--------------------------
146
147**Database Schema:**
148
149Plain textANTLR4BashCC#CSSCoffeeScriptCMakeDartDjangoDockerEJSErlangGitGoGraphQLGroovyHTMLJavaJavaScriptJSONJSXKotlinLaTeXLessLuaMakefileMarkdownMATLABMarkupObjective-CPerlPHPPowerShell.propertiesProtocol BuffersPythonRRubySass (Sass)Sass (Scss)SchemeSQLShellSwiftSVGTSXTypeScriptWebAssemblyYAMLXML`   credit_additions (    id, user_id, created_at, stripe_payment_intent_id, amount, note  )  -- Indexes on user_id for both credit_additions and townie_usage   `
169**Backend:**
170
171*   backend/database/schema.tsx - Added credit\_additions table
172    
173*   backend/database/queries.tsx - New credit functions, removed old limits
174    
175*   backend/routes/send-message.ts - Updated to use credit checking