diff --git a/.gitignore b/.gitignore
index 9e6e804..701c4f2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,24 @@
+# Dependencies (DO NOT PUSH - thousands of files)
+node_modules/
 
+# Next.js build output (DO NOT PUSH - compiled files)
+.next/
+out/
+build/
+
+# Local SQLite Database
+*.db
+*.db-journal
+
+# Environment variables
 .env
+.env*.local
+
+# Agent configuration, learning resources & local data
 .agents/
 .gemini/
 resources/
 
+# OS metadata
+.DS_Store
+Thumbs.db
diff --git a/to_do_app/README.md b/README.md
similarity index 100%
rename from to_do_app/README.md
rename to README.md
diff --git a/to_do_app/app/favicon.ico b/app/favicon.ico
similarity index 100%
rename from to_do_app/app/favicon.ico
rename to app/favicon.ico
diff --git a/to_do_app/app/globals.css b/app/globals.css
similarity index 100%
rename from to_do_app/app/globals.css
rename to app/globals.css
diff --git a/to_do_app/app/layout.tsx b/app/layout.tsx
similarity index 100%
rename from to_do_app/app/layout.tsx
rename to app/layout.tsx
diff --git a/to_do_app/app/page.tsx b/app/page.tsx
similarity index 100%
rename from to_do_app/app/page.tsx
rename to app/page.tsx
diff --git a/to_do_app/eslint.config.mjs b/eslint.config.mjs
similarity index 100%
rename from to_do_app/eslint.config.mjs
rename to eslint.config.mjs
diff --git a/next-env.d.ts b/next-env.d.ts
new file mode 100644
index 0000000..9edff1c
--- /dev/null
+++ b/next-env.d.ts
@@ -0,0 +1,6 @@
+/// <reference types="next" />
+/// <reference types="next/image-types/global" />
+import "./.next/types/routes.d.ts";
+
+// NOTE: This file should not be edited
+// see https://nextjs.org/docs/app/api-reference/config/typescript for more information.
diff --git a/to_do_app/next.config.ts b/next.config.ts
similarity index 100%
rename from to_do_app/next.config.ts
rename to next.config.ts
diff --git a/to_do_app/package-lock.json b/package-lock.json
similarity index 100%
rename from to_do_app/package-lock.json
rename to package-lock.json
diff --git a/to_do_app/package.json b/package.json
similarity index 100%
rename from to_do_app/package.json
rename to package.json
diff --git a/to_do_app/postcss.config.mjs b/postcss.config.mjs
similarity index 100%
rename from to_do_app/postcss.config.mjs
rename to postcss.config.mjs
diff --git a/to_do_app/public/file.svg b/public/file.svg
similarity index 100%
rename from to_do_app/public/file.svg
rename to public/file.svg
diff --git a/to_do_app/public/globe.svg b/public/globe.svg
similarity index 100%
rename from to_do_app/public/globe.svg
rename to public/globe.svg
diff --git a/to_do_app/public/next.svg b/public/next.svg
similarity index 100%
rename from to_do_app/public/next.svg
rename to public/next.svg
diff --git a/to_do_app/public/vercel.svg b/public/vercel.svg
similarity index 100%
rename from to_do_app/public/vercel.svg
rename to public/vercel.svg
diff --git a/to_do_app/public/window.svg b/public/window.svg
similarity index 100%
rename from to_do_app/public/window.svg
rename to public/window.svg
diff --git a/to_do_app/.gitignore b/to_do_app/.gitignore
deleted file mode 100644
index 5ef6a52..0000000
--- a/to_do_app/.gitignore
+++ /dev/null
@@ -1,41 +0,0 @@
-# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
-
-# dependencies
-/node_modules
-/.pnp
-.pnp.*
-.yarn/*
-!.yarn/patches
-!.yarn/plugins
-!.yarn/releases
-!.yarn/versions
-
-# testing
-/coverage
-
-# next.js
-/.next/
-/out/
-
-# production
-/build
-
-# misc
-.DS_Store
-*.pem
-
-# debug
-npm-debug.log*
-yarn-debug.log*
-yarn-error.log*
-.pnpm-debug.log*
-
-# env files (can opt-in for committing if needed)
-.env*
-
-# vercel
-.vercel
-
-# typescript
-*.tsbuildinfo
-next-env.d.ts
diff --git a/to_do_app/AGENTS.md b/to_do_app/AGENTS.md
deleted file mode 100644
index 8bd0e39..0000000
--- a/to_do_app/AGENTS.md
+++ /dev/null
@@ -1,5 +0,0 @@
-<!-- BEGIN:nextjs-agent-rules -->
-# This is NOT the Next.js you know
-
-This version has breaking changes — APIs, conventions, and file structure may all differ from your training data. Read the relevant guide in `node_modules/next/dist/docs/` before writing any code. Heed deprecation notices.
-<!-- END:nextjs-agent-rules -->
diff --git a/to_do_app/CLAUDE.md b/to_do_app/CLAUDE.md
deleted file mode 100644
index 43c994c..0000000
--- a/to_do_app/CLAUDE.md
+++ /dev/null
@@ -1 +0,0 @@
-@AGENTS.md
diff --git a/to_do_app/tsconfig.json b/tsconfig.json
similarity index 100%
rename from to_do_app/tsconfig.json
rename to tsconfig.json
diff --git a/types/cache-life.d.ts b/types/cache-life.d.ts
new file mode 100644
index 0000000..a8c6997
--- /dev/null
+++ b/types/cache-life.d.ts
@@ -0,0 +1,145 @@
+// Type definitions for Next.js cacheLife configs
+
+declare module 'next/cache' {
+  export { unstable_cache } from 'next/dist/server/web/spec-extension/unstable-cache'
+  export {
+    updateTag,
+    revalidateTag,
+    revalidatePath,
+    refresh,
+  } from 'next/dist/server/web/spec-extension/revalidate'
+  export { unstable_noStore } from 'next/dist/server/web/spec-extension/unstable-no-store'
+
+  
+    /**
+     * Cache this `"use cache"` for a timespan defined by the `"default"` profile.
+     * ```
+     *   stale:      300 seconds (5 minutes)
+     *   revalidate: 900 seconds (15 minutes)
+     *   expire:     never
+     * ```
+     * 
+     * This cache may be stale on clients for 5 minutes before checking with the server.
+     * If the server receives a new request after 15 minutes, start revalidating new values in the background.
+     * It lives for the maximum age of the server cache. If this entry has no traffic for a while, it may serve an old value the next request.
+     */
+    export function cacheLife(profile: "default"): void
+    
+    /**
+     * Cache this `"use cache"` for a timespan defined by the `"seconds"` profile.
+     * ```
+     *   stale:      30 seconds
+     *   revalidate: 1 seconds
+     *   expire:     60 seconds (1 minute)
+     * ```
+     * 
+     * This cache may be stale on clients for 30 seconds before checking with the server.
+     * If the server receives a new request after 1 seconds, start revalidating new values in the background.
+     * If this entry has no traffic for 1 minute it will expire. The next request will recompute it.
+     */
+    export function cacheLife(profile: "seconds"): void
+    
+    /**
+     * Cache this `"use cache"` for a timespan defined by the `"minutes"` profile.
+     * ```
+     *   stale:      300 seconds (5 minutes)
+     *   revalidate: 60 seconds (1 minute)
+     *   expire:     3600 seconds (1 hour)
+     * ```
+     * 
+     * This cache may be stale on clients for 5 minutes before checking with the server.
+     * If the server receives a new request after 1 minute, start revalidating new values in the background.
+     * If this entry has no traffic for 1 hour it will expire. The next request will recompute it.
+     */
+    export function cacheLife(profile: "minutes"): void
+    
+    /**
+     * Cache this `"use cache"` for a timespan defined by the `"hours"` profile.
+     * ```
+     *   stale:      300 seconds (5 minutes)
+     *   revalidate: 3600 seconds (1 hour)
+     *   expire:     86400 seconds (1 day)
+     * ```
+     * 
+     * This cache may be stale on clients for 5 minutes before checking with the server.
+     * If the server receives a new request after 1 hour, start revalidating new values in the background.
+     * If this entry has no traffic for 1 day it will expire. The next request will recompute it.
+     */
+    export function cacheLife(profile: "hours"): void
+    
+    /**
+     * Cache this `"use cache"` for a timespan defined by the `"days"` profile.
+     * ```
+     *   stale:      300 seconds (5 minutes)
+     *   revalidate: 86400 seconds (1 day)
+     *   expire:     604800 seconds (1 week)
+     * ```
+     * 
+     * This cache may be stale on clients for 5 minutes before checking with the server.
+     * If the server receives a new request after 1 day, start revalidating new values in the background.
+     * If this entry has no traffic for 1 week it will expire. The next request will recompute it.
+     */
+    export function cacheLife(profile: "days"): void
+    
+    /**
+     * Cache this `"use cache"` for a timespan defined by the `"weeks"` profile.
+     * ```
+     *   stale:      300 seconds (5 minutes)
+     *   revalidate: 604800 seconds (1 week)
+     *   expire:     2592000 seconds (1 month)
+     * ```
+     * 
+     * This cache may be stale on clients for 5 minutes before checking with the server.
+     * If the server receives a new request after 1 week, start revalidating new values in the background.
+     * If this entry has no traffic for 1 month it will expire. The next request will recompute it.
+     */
+    export function cacheLife(profile: "weeks"): void
+    
+    /**
+     * Cache this `"use cache"` for a timespan defined by the `"max"` profile.
+     * ```
+     *   stale:      300 seconds (5 minutes)
+     *   revalidate: 2592000 seconds (1 month)
+     *   expire:     31536000 seconds (365 days)
+     * ```
+     * 
+     * This cache may be stale on clients for 5 minutes before checking with the server.
+     * If the server receives a new request after 1 month, start revalidating new values in the background.
+     * If this entry has no traffic for 365 days it will expire. The next request will recompute it.
+     */
+    export function cacheLife(profile: "max"): void
+    
+    /**
+     * Cache this `"use cache"` using a custom timespan.
+     * ```
+     *   stale: ... // seconds
+     *   revalidate: ... // seconds
+     *   expire: ... // seconds
+     * ```
+     *
+     * This is similar to Cache-Control: max-age=`stale`,s-max-age=`revalidate`,stale-while-revalidate=`expire-revalidate`
+     *
+     * If a value is left out, the lowest of other cacheLife() calls or the default, is used instead.
+     */
+    export function cacheLife(profile: {
+      /**
+       * This cache may be stale on clients for ... seconds before checking with the server.
+       */
+      stale?: number,
+      /**
+       * If the server receives a new request after ... seconds, start revalidating new values in the background.
+       */
+      revalidate?: number,
+      /**
+       * If this entry has no traffic for ... seconds it will expire. The next request will recompute it.
+       */
+      expire?: number
+    }): void
+  
+
+  import { cacheTag } from 'next/dist/server/use-cache/cache-tag'
+  export { cacheTag }
+
+  export const unstable_cacheTag: typeof cacheTag
+  export const unstable_cacheLife: typeof cacheLife
+}
diff --git a/types/routes.d.ts b/types/routes.d.ts
new file mode 100644
index 0000000..1c6c34d
--- /dev/null
+++ b/types/routes.d.ts
@@ -0,0 +1,57 @@
+// This file is generated automatically by Next.js
+// Do not edit this file manually
+
+type AppRoutes = "/"
+type PageRoutes = never
+type LayoutRoutes = "/"
+type RedirectRoutes = never
+type RewriteRoutes = never
+type Routes = AppRoutes | PageRoutes | LayoutRoutes | RedirectRoutes | RewriteRoutes
+
+
+interface ParamMap {
+  "/": {}
+}
+
+
+export type ParamsOf<Route extends Routes> = ParamMap[Route]
+
+interface LayoutSlotMap {
+  "/": never
+}
+
+
+export type { AppRoutes, PageRoutes, LayoutRoutes, RedirectRoutes, RewriteRoutes, ParamMap }
+
+declare global {
+  /**
+   * Props for Next.js App Router page components
+   * @example
+   * ```tsx
+   * export default function Page(props: PageProps<'/blog/[slug]'>) {
+   *   const { slug } = await props.params
+   *   return <div>Blog post: {slug}</div>
+   * }
+   * ```
+   */
+  interface PageProps<AppRoute extends AppRoutes> {
+    params: Promise<ParamMap[AppRoute]>
+    searchParams: Promise<Record<string, string | string[] | undefined>>
+  }
+
+  /**
+   * Props for Next.js App Router layout components
+   * @example
+   * ```tsx
+   * export default function Layout(props: LayoutProps<'/dashboard'>) {
+   *   return <div>{props.children}</div>
+   * }
+   * ```
+   */
+  type LayoutProps<LayoutRoute extends LayoutRoutes> = {
+    params: Promise<ParamMap[LayoutRoute]>
+    children: React.ReactNode
+  } & {
+    [K in LayoutSlotMap[LayoutRoute]]: React.ReactNode
+  }
+}
diff --git a/types/validator.ts b/types/validator.ts
new file mode 100644
index 0000000..c20dd70
--- /dev/null
+++ b/types/validator.ts
@@ -0,0 +1,61 @@
+// This file is generated automatically by Next.js
+// Do not edit this file manually
+// This file validates that all pages and layouts export the correct types
+
+import type { AppRoutes, LayoutRoutes, ParamMap } from "./routes.js"
+import type { ResolvingMetadata, ResolvingViewport } from "next/types.js"
+
+type AppPageConfig<Route extends AppRoutes = AppRoutes> = {
+  default: React.ComponentType<{ params: Promise<ParamMap[Route]> } & any> | ((props: { params: Promise<ParamMap[Route]> } & any) => React.ReactNode | Promise<React.ReactNode> | never | void | Promise<void>)
+  generateStaticParams?: (props: { params: ParamMap[Route] }) => Promise<any[]> | any[]
+  generateMetadata?: (
+    props: { params: Promise<ParamMap[Route]> } & any,
+    parent: ResolvingMetadata
+  ) => Promise<any> | any
+  generateViewport?: (
+    props: { params: Promise<ParamMap[Route]> } & any,
+    parent: ResolvingViewport
+  ) => Promise<any> | any
+  metadata?: any
+  viewport?: any
+}
+
+type LayoutConfig<Route extends LayoutRoutes = LayoutRoutes> = {
+  default: React.ComponentType<LayoutProps<Route>> | ((props: LayoutProps<Route>) => React.ReactNode | Promise<React.ReactNode> | never | void | Promise<void>)
+  generateStaticParams?: (props: { params: ParamMap[Route] }) => Promise<any[]> | any[]
+  generateMetadata?: (
+    props: { params: Promise<ParamMap[Route]> } & any,
+    parent: ResolvingMetadata
+  ) => Promise<any> | any
+  generateViewport?: (
+    props: { params: Promise<ParamMap[Route]> } & any,
+    parent: ResolvingViewport
+  ) => Promise<any> | any
+  metadata?: any
+  viewport?: any
+}
+
+
+// Validate ../../app/page.tsx
+{
+  type __IsExpected<Specific extends AppPageConfig<"/">> = Specific
+  const handler = {} as typeof import("../../app/page.js")
+  type __Check = __IsExpected<typeof handler>
+  // @ts-ignore
+  type __Unused = __Check
+}
+
+
+
+
+
+
+
+// Validate ../../app/layout.tsx
+{
+  type __IsExpected<Specific extends LayoutConfig<"/">> = Specific
+  const handler = {} as typeof import("../../app/layout.js")
+  type __Check = __IsExpected<typeof handler>
+  // @ts-ignore
+  type __Unused = __Check
+}