diff --git a/.well-known/agent-skills/tsentials-errors/SKILL.md b/.well-known/agent-skills/tsentials-errors/SKILL.md
index 85b51e7..42f1e56 100644
--- a/.well-known/agent-skills/tsentials-errors/SKILL.md
+++ b/.well-known/agent-skills/tsentials-errors/SKILL.md
@@ -174,7 +174,7 @@ function findUser(id: string): Result<User> {
 
 ```typescript
 import { Result } from 'tsentials/result';
-import { Err } from 'tsentials/errors';
+import { Err, ErrorType } from 'tsentials/errors';
 
 function divide(a: number, b: number): Result<number> {
   if (b === 0) return Result.failure(Err.validation('Math.DivideByZero', 'Cannot divide by zero.'));
diff --git a/AGENTS.md b/AGENTS.md
index 05281aa..17c1954 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -418,7 +418,7 @@ Result.then(safeJsonParse(raw), data => validatePayload(data));
 
 ```bash
 npm run build      # tsc compile
-npm test           # vitest run (762 tests)
+npm test           # vitest run (1079 tests)
 npm run check      # biome lint + format check
 npm run lint:fix   # auto-fix lint
 ```
diff --git a/CLAUDE.md b/CLAUDE.md
index 98c09d1..be5af73 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -330,7 +330,7 @@ toUnderscoreCamelCase('helloWorld')  // "_helloWorld"
 - `"sideEffects": false` in package.json for full tree-shaking
 
 ## Testing
-Vitest — `npm test` runs all 1075 tests across 33 test files.
+Vitest — `npm test` runs all 1079 tests across 33 test files.
 Test files mirror src/ structure under `tests/`.
 
 ## Publishing
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 9a053e3..281e187 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -6,7 +6,7 @@ Thank you for your interest in contributing!
 
 ```bash
 git clone https://github.com/senrecep/tsentials.git
-cd TypeScriptEssentials
+cd tsentials
 npm install
 npm run build
 npm test
diff --git a/README.md b/README.md
index 1df3591..fe7107d 100644
--- a/README.md
+++ b/README.md
@@ -130,13 +130,14 @@ Result.ok();
 ### Pipeline (sync)
 
 ```typescript
-import { Result } from 'tsentials/result';
+import { Result, chain } from 'tsentials/result';
 import { Err } from 'tsentials/errors';
 
-const price = Result.success(100)
-  |> Result.map(_, n => n * 1.2)
-  |> Result.ensure(_, n => n < 200, Err.validation('Price.TooHigh', 'Exceeds limit'))
-  |> Result.map(_, n => `$${n.toFixed(2)}`);
+const price = chain(Result.success(100))
+  .map(n => n * 1.2)
+  .ensure(n => n < 200, Err.validation('Price.TooHigh', 'Exceeds limit'))
+  .map(n => `$${n.toFixed(2)}`)
+  .unwrap();
 // => { ok: true, value: "$120.00" }
 
 // Dynamic error from value
@@ -786,12 +787,12 @@ const sure  = asNonEmptyArray([1, 2]);    // Some([1, 2])
 Composable, type-safe equality and ordering.
 
 ```typescript
-import { Eq, Ord } from 'tsentials/eq';
-import { sortBy, min, max, clamp } from 'tsentials/ord';
+import { Eq } from 'tsentials/eq';
+import { Ord, sortBy, min, max, clamp } from 'tsentials/ord';
 
-interface User { readonly id: number; readonly name: string; }
+interface User { readonly id: number; readonly name: string; readonly age: number; }
 
-const eqUser = Eq.struct<User>({ id: Eq.number, name: Eq.string });
+const eqUser = Eq.struct<User>({ id: Eq.number, name: Eq.string, age: Eq.number });
 
 const byAge = Ord.contramap(Ord.number, (u: User) => u.age);
 const sorted = sortBy(users, byAge);
diff --git a/package-lock.json b/package-lock.json
index 3e35fb7..c4d01af 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "tsentials",
-  "version": "0.1.9",
+  "version": "0.1.10",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "tsentials",
-      "version": "0.1.9",
+      "version": "0.1.10",
       "license": "MIT",
       "devDependencies": {
         "@biomejs/biome": "^2.4.15",
diff --git a/package.json b/package.json
index 10c9495..128bd2d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "tsentials",
-  "version": "0.1.9",
+  "version": "0.1.10",
   "description": "Railway-oriented programming for TypeScript — Result<T>, Maybe<T>, Rule Engine, and DDD base classes with full async pipeline support",
   "type": "module",
   "main": "./dist/index.js",