diff --git a/CLAUDE.md b/CLAUDE.md
index 91ea242..f38af9c 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -23,6 +23,7 @@ Transcript-based shell integration test runner. Bun + TypeScript.
 - `src/match.ts` — wildcard-aware output matching and diff generation
 - `src/format.ts` — evaluates pass/fail, formats failures and summary
 - `src/update.ts` — rewrites `.shout` files with actual output (`--update` mode)
+- `src/utils.ts` — shared utilities (`trimTrailingEmpty`, `escapeRegex`)
 - `src/duration.ts` — parses duration strings (`10s`, `500ms`, `1m`)
 - `src/cli/index.ts` — CLI entry point via `commander`
 - `src/index.ts` — barrel exports
diff --git a/bun.lock b/bun.lock
index 0f05d9c..f147370 100644
--- a/bun.lock
+++ b/bun.lock
@@ -12,8 +12,6 @@
       "devDependencies": {
         "@types/bun": "latest",
         "@types/diff": "^8.0.0",
-      },
-      "peerDependencies": {
         "typescript": "^5.9.3",
       },
     },
diff --git a/index.ts b/index.ts
deleted file mode 100644
index f67b2c6..0000000
--- a/index.ts
+++ /dev/null
@@ -1 +0,0 @@
-console.log("Hello via Bun!");
\ No newline at end of file
diff --git a/package.json b/package.json
index a8505d5..8c65d52 100644
--- a/package.json
+++ b/package.json
@@ -15,19 +15,12 @@
   },
   "scripts": {
     "check": "bunx tsc --noEmit",
-    "build": "./scripts/build.sh",
-    "cli:build": "bun run scripts/build.ts",
-    "cli:build:all": "bun run scripts/build.ts --all",
-    "cli:install": "bun cli:build && sudo cp dist/shout /usr/local/bin",
     "cli:link": "ln -sf $(pwd)/src/cli/index.ts ~/.bun/bin/shout",
-    "cli:uninstall": "sudo rm /usr/local/bin",
     "test": "bun test"
   },
   "devDependencies": {
     "@types/bun": "latest",
-    "@types/diff": "^8.0.0"
-  },
-  "peerDependencies": {
+    "@types/diff": "^8.0.0",
     "typescript": "^5.9.3"
   },
   "dependencies": {
diff --git a/src/cli/index.ts b/src/cli/index.ts
index 8f03f05..2140ee8 100755
--- a/src/cli/index.ts
+++ b/src/cli/index.ts
@@ -139,7 +139,6 @@ program
         sourceDir: resolve(dirname(filePath)),
         projectDir: cwd,
         timeout: timeoutMs,
-        verbose: opts.verbose ?? false,
         onCommand: opts.verbose
           ? (cmd) => process.stderr.write(ansis.dim(`  $ ${cmd.command}\n`))
           : undefined,
diff --git a/src/format.ts b/src/format.ts
index 352c7b2..87e33a2 100644
--- a/src/format.ts
+++ b/src/format.ts
@@ -72,20 +72,21 @@ export function formatFailure(test: TestResult): string {
     lines.push(`  ${ansis.dim("$")} ${failure.result.command.command}`)
 
     if (failure.diffLines.length > 0) {
-      lines.push(ansis.red("  expected:"))
+      const expectedLines: string[] = []
+      const actualLines: string[] = []
       for (const dl of failure.diffLines) {
+        const text = dl.kind === "context" ? ansis.dim(dl.text) : dl.text
         if (dl.kind === "expected" || dl.kind === "equal" || dl.kind === "context") {
           const prefix = dl.kind === "expected" ? ansis.red("  > ") : "    "
-          lines.push(`${prefix}${dl.kind === "context" ? ansis.dim(dl.text) : dl.text}`)
+          expectedLines.push(`${prefix}${text}`)
         }
-      }
-      lines.push(ansis.green("  actual:"))
-      for (const dl of failure.diffLines) {
         if (dl.kind === "actual" || dl.kind === "equal" || dl.kind === "context") {
           const prefix = dl.kind === "actual" ? ansis.green("  > ") : "    "
-          lines.push(`${prefix}${dl.kind === "context" ? ansis.dim(dl.text) : dl.text}`)
+          actualLines.push(`${prefix}${text}`)
         }
       }
+      lines.push(ansis.red("  expected:"), ...expectedLines)
+      lines.push(ansis.green("  actual:"), ...actualLines)
     }
 
     if (failure.exitCodeMismatch) {
diff --git a/src/match.ts b/src/match.ts
index c846630..deedf42 100644
--- a/src/match.ts
+++ b/src/match.ts
@@ -1,3 +1,5 @@
+import { escapeRegex } from "./utils.ts"
+
 export function matchLine(pattern: string, actual: string): boolean {
   if (!pattern.includes("...")) return pattern === actual
 
@@ -8,10 +10,6 @@ export function matchLine(pattern: string, actual: string): boolean {
   return regex.test(actual)
 }
 
-function escapeRegex(s: string): string {
-  return s.replace(/[.*+?^${}()|[\]\\]/g, "\\$&")
-}
-
 export function matchOutput(
   expected: string[],
   actual: string[],
diff --git a/src/parse.ts b/src/parse.ts
index e25ae74..b5709bc 100644
--- a/src/parse.ts
+++ b/src/parse.ts
@@ -1,3 +1,5 @@
+import { trimTrailingEmpty } from "./utils.ts"
+
 export type Command = {
   line: number
   raw: string
@@ -54,12 +56,6 @@ function parseExitCode(lines: string[]): {
   return { lines, exitCode: null }
 }
 
-function trimTrailingEmpty(lines: string[]): string[] {
-  let end = lines.length
-  while (end > 0 && lines[end - 1] === "") end--
-  return lines.slice(0, end)
-}
-
 function parseEnvDirective(path: string, line: string, lineNum: number): { key: string; value: string } {
   const rest = line.slice(5).trim()
   const eq = rest.indexOf("=")
diff --git a/src/run.ts b/src/run.ts
index 74a61dd..e1c0e31 100644
--- a/src/run.ts
+++ b/src/run.ts
@@ -3,6 +3,7 @@ import { tmpdir } from "node:os"
 import { join } from "node:path"
 
 import type { Command, ShoutFile } from "./parse.ts"
+import { trimTrailingEmpty } from "./utils.ts"
 
 export type CommandResult = {
   command: Command
@@ -24,7 +25,6 @@ type RunOptions = {
   sourceDir?: string
   projectDir?: string
   timeout: number
-  verbose: boolean
   onCommand?: (cmd: Command) => void
 }
 
@@ -92,7 +92,6 @@ function buildScript(commands: Command[], sentinel: string, verbose: boolean): s
 
 function parseSentinelOutput(
   raw: string,
-  sentinel: string,
   commandCount: number,
 ): { outputs: string[][]; exitCodes: number[] } {
   const outputs: string[][] = []
@@ -100,7 +99,7 @@ function parseSentinelOutput(
 
   // Split by sentinel lines
   const sentinelRegex = new RegExp(
-    `${escapeRegex(sentinel)}(\\d+)_(\\d+)__`,
+    `${SENTINEL_PREFIX}(\\d+)_(\\d+)__`,
   )
 
   let remaining = raw
@@ -152,16 +151,6 @@ function stripAnsi(line: string): string {
   return line.replace(ANSI_REGEX, "")
 }
 
-function trimTrailingEmpty(lines: string[]): string[] {
-  let end = lines.length
-  while (end > 0 && lines[end - 1] === "") end--
-  return lines.slice(0, end)
-}
-
-function escapeRegex(s: string): string {
-  return s.replace(/[.*+?^${}()|[\]\\]/g, "\\$&")
-}
-
 function streamVerboseMarkers(
   stderr: ReadableStream<Uint8Array>,
   commands: Command[],
@@ -254,7 +243,6 @@ export async function runFile(
 
     const { outputs, exitCodes } = parseSentinelOutput(
       stdout,
-      sentinel,
       file.commands.length,
     )
 
diff --git a/src/update.ts b/src/update.ts
index 3546b8a..ecc4790 100644
--- a/src/update.ts
+++ b/src/update.ts
@@ -1,7 +1,8 @@
 import type { CommandResult } from "./run.ts"
 import type { ShoutFile } from "./parse.ts"
-import { matchOutput, matchLine } from "./match.ts"
+import { matchOutput } from "./match.ts"
 import { isCommentLine } from "./parse.ts"
+import { trimTrailingEmpty } from "./utils.ts"
 
 export function rewriteFile(
   file: ShoutFile,
@@ -83,9 +84,3 @@ export function rewriteFile(
 function escapeDollar(line: string): string {
   return line.startsWith("$ ") ? "\\" + line : line
 }
-
-function trimTrailingEmpty(lines: string[]): string[] {
-  let end = lines.length
-  while (end > 0 && lines[end - 1] === "") end--
-  return lines.slice(0, end)
-}
diff --git a/src/utils.ts b/src/utils.ts
new file mode 100644
index 0000000..ae4e3cb
--- /dev/null
+++ b/src/utils.ts
@@ -0,0 +1,9 @@
+export function trimTrailingEmpty(lines: string[]): string[] {
+  let end = lines.length
+  while (end > 0 && lines[end - 1] === "") end--
+  return lines.slice(0, end)
+}
+
+export function escapeRegex(s: string): string {
+  return s.replace(/[.*+?^${}()|[\]\\]/g, "\\$&")
+}
diff --git a/tsconfig.json b/tsconfig.json
index d5ad05c..23a8e6b 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -27,17 +27,6 @@
     "noUnusedLocals": false,
     "noUnusedParameters": false,
     "noPropertyAccessFromIndexSignature": false,
-    "baseUrl": ".",
-    "paths": {
-      "$*": [
-        "./src/server/*"
-      ],
-      "@*": [
-        "./src/shared/*"
-      ],
-      "%*": [
-        "./src/lib/*"
-      ]
-    }
+    "baseUrl": "."
   }
 }
\ No newline at end of file