diff --git a/apps/lunarswap-ui/biome.json b/apps/lunarswap-ui/biome.json
index 296b1c7a..98ebf7d2 100644
--- a/apps/lunarswap-ui/biome.json
+++ b/apps/lunarswap-ui/biome.json
@@ -1,3 +1,3 @@
 {
-  "extends": ["@midnight-dapps/biome-config/biome"]
+  "extends": ["@midnight-dapps/biome-config"]
 }
diff --git a/contracts/access/.lintstagedrc.json b/contracts/access/.lintstagedrc.json
index 64b7ae62..8a7175ab 100644
--- a/contracts/access/.lintstagedrc.json
+++ b/contracts/access/.lintstagedrc.json
@@ -1,3 +1,3 @@
 {
-  "*.{js,ts,json,md}": ["biome format --write", "biome check --write"]
+  "*.{ts,md}": ["biome format --write", "biome check --write"]
 }
diff --git a/contracts/access/biome.json b/contracts/access/biome.json
index 296b1c7a..98ebf7d2 100644
--- a/contracts/access/biome.json
+++ b/contracts/access/biome.json
@@ -1,3 +1,3 @@
 {
-  "extends": ["@midnight-dapps/biome-config/biome"]
+  "extends": ["@midnight-dapps/biome-config"]
 }
diff --git a/contracts/access/tsconfig.build.json b/contracts/access/tsconfig.build.json
index 4f3919ce..57859539 100644
--- a/contracts/access/tsconfig.build.json
+++ b/contracts/access/tsconfig.build.json
@@ -1,7 +1,5 @@
 {
   "extends": "./tsconfig.json",
-  "exclude": [
-    "src/test/**/*.ts"
-  ],
+  "exclude": ["src/test/**/*.ts", "src/artifacts/**/*"],
   "compilerOptions": {}
 }
\ No newline at end of file
diff --git a/contracts/math/.lintstagedrc.json b/contracts/math/.lintstagedrc.json
index 64b7ae62..8a7175ab 100644
--- a/contracts/math/.lintstagedrc.json
+++ b/contracts/math/.lintstagedrc.json
@@ -1,3 +1,3 @@
 {
-  "*.{js,ts,json,md}": ["biome format --write", "biome check --write"]
+  "*.{ts,md}": ["biome format --write", "biome check --write"]
 }
diff --git a/contracts/math/biome.json b/contracts/math/biome.json
index 296b1c7a..98ebf7d2 100644
--- a/contracts/math/biome.json
+++ b/contracts/math/biome.json
@@ -1,3 +1,3 @@
 {
-  "extends": ["@midnight-dapps/biome-config/biome"]
+  "extends": ["@midnight-dapps/biome-config"]
 }
diff --git a/contracts/math/tsconfig.build.json b/contracts/math/tsconfig.build.json
index 88af15f8..956f0568 100644
--- a/contracts/math/tsconfig.build.json
+++ b/contracts/math/tsconfig.build.json
@@ -1,5 +1,5 @@
 {
 	"extends": "./tsconfig.json",
-	"exclude": ["src/test/**/*.ts"],
+	"exclude": ["src/test/**/*.ts", "src/artifacts/**/*"],
 	"compilerOptions": {}
 }
\ No newline at end of file
diff --git a/contracts/structs/.lintstagedrc.json b/contracts/structs/.lintstagedrc.json
index 64b7ae62..8a7175ab 100644
--- a/contracts/structs/.lintstagedrc.json
+++ b/contracts/structs/.lintstagedrc.json
@@ -1,3 +1,3 @@
 {
-  "*.{js,ts,json,md}": ["biome format --write", "biome check --write"]
+  "*.{ts,md}": ["biome format --write", "biome check --write"]
 }
diff --git a/contracts/structs/biome.json b/contracts/structs/biome.json
index 296b1c7a..98ebf7d2 100644
--- a/contracts/structs/biome.json
+++ b/contracts/structs/biome.json
@@ -1,3 +1,3 @@
 {
-  "extends": ["@midnight-dapps/biome-config/biome"]
+  "extends": ["@midnight-dapps/biome-config"]
 }
diff --git a/contracts/structs/tsconfig.build.json b/contracts/structs/tsconfig.build.json
index 8b855b57..e5eb9fd5 100644
--- a/contracts/structs/tsconfig.build.json
+++ b/contracts/structs/tsconfig.build.json
@@ -1,5 +1,5 @@
 {
 	"extends": "./tsconfig.json",
-	"exclude": ["src/test/**/*.ts"],
+	"exclude": ["src/test/**/*.ts", "src/artifacts/**/*"],
 	"compilerOptions": {}
 }
diff --git a/package.json b/package.json
index 54a0ee70..55c7687c 100644
--- a/package.json
+++ b/package.json
@@ -10,8 +10,10 @@
     "compact:fast": "turbo run compact -- --skip-zk",
     "compact:version": "turbo run compact -- --version",
     "compact:language-version": "turbo run compact -- --language-version",
+    "build": "turbo run build",
     "build:contracts": "for d in ./contracts/*; do if [ -d \"$d\" ]; then cd \"$d\" && pnpm build && cd - > /dev/null; fi; done",
     "build:apps": "turbo run build --filter './apps/*'",
+    "build:packages": "turbo run build --filter './packages/*'",
     "test:contracts": "turbo run test --filter './contracts/*'",
     "test:apps": "turbo run test --filter './apps/*'",
     "fmt": "turbo run fmt",
diff --git a/packages/biome-config/package.json b/packages/biome-config/package.json
index 6e2a124a..4445617c 100644
--- a/packages/biome-config/package.json
+++ b/packages/biome-config/package.json
@@ -4,6 +4,6 @@
   "type": "module",
   "private": true,
   "exports": {
-    "./biome": "./biome.json"
+    ".": "./biome.json"
   }
 }
diff --git a/packages/compact-std/biome.json b/packages/compact-std/biome.json
index 296b1c7a..98ebf7d2 100644
--- a/packages/compact-std/biome.json
+++ b/packages/compact-std/biome.json
@@ -1,3 +1,3 @@
 {
-  "extends": ["@midnight-dapps/biome-config/biome"]
+  "extends": ["@midnight-dapps/biome-config"]
 }
diff --git a/packages/compact-std/package.json b/packages/compact-std/package.json
index eb4fed05..142bdab1 100644
--- a/packages/compact-std/package.json
+++ b/packages/compact-std/package.json
@@ -6,6 +6,10 @@
   "type": "module",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",
+  "exports": {
+    ".": "./dist/index.js",
+    "./artifacts": "./dist/artifacts/index.js"
+  },
   "scripts": {
     "prepare": "pnpm build",
     "compact": "pnpm exec compact-compiler",
diff --git a/packages/compact/biome.json b/packages/compact/biome.json
index 296b1c7a..98ebf7d2 100644
--- a/packages/compact/biome.json
+++ b/packages/compact/biome.json
@@ -1,3 +1,3 @@
 {
-  "extends": ["@midnight-dapps/biome-config/biome"]
+  "extends": ["@midnight-dapps/biome-config"]
 }
diff --git a/packages/compact/src/Builder.ts b/packages/compact/src/Builder.ts
index 3c7ff875..1d797d04 100755
--- a/packages/compact/src/Builder.ts
+++ b/packages/compact/src/Builder.ts
@@ -12,44 +12,7 @@ const execAsync = promisify(exec);
 /**
  * A class to handle the build process for a project.
  * Runs CompactCompiler as a prerequisite, then executes build steps (TypeScript compilation,
- * artifact copying, etc.)
- * with progress feedback and colored output for success and error states.
- *
- * @example
- * ```typescript
- * const builder = new ProjectBuilder('--skip-zk'); // Optional flags for compactc
- * builder.build().catch(err => console.error(err));
- * ```
- *
- * @example <caption>Successful Build Output</caption>
- * ```
- * ℹ [COMPILE] Found 2 .compact file(s) to compile
- * ✔ [COMPILE] [1/2] Compiled AccessControl.compact
- *     Compactc version: 0.22.0
- * ✔ [COMPILE] [2/2] Compiled MockAccessControl.compact
- *     Compactc version: 0.22.0
- * ✔ [BUILD] [1/3] Compiling TypeScript
- * ✔ [BUILD] [2/3] Copying artifacts
- * ✔ [BUILD] [3/3] Copying and cleaning .compact files
- * ```
- *
- * @example <caption>Failed Compilation Output</caption>
- * ```
- * ℹ [COMPILE] Found 2 .compact file(s) to compile
- * ✖ [COMPILE] [1/2] Failed AccessControl.compact
- *     Compactc version: 0.22.0
- *     Error: Expected ';' at line 5 in AccessControl.compact
- * ```
- *
- * @example <caption>Failed Build Step Output</caption>
- * ```
- * ℹ [COMPILE] Found 2 .compact file(s) to compile
- * ✔ [COMPILE] [1/2] Compiled AccessControl.compact
- * ✔ [COMPILE] [2/2] Compiled MockAccessControl.compact
- * ✖ [BUILD] [1/3] Failed Compiling TypeScript
- *     error TS1005: ';' expected at line 10 in file.ts
- *     [BUILD] ❌ Build failed: Command failed: tsc --project tsconfig.build.json
- * ```
+ * artifact copying, etc.) with progress feedback and colored output for success and error states.
  */
 export class CompactBuilder {
   private readonly compilerFlags: string;
@@ -65,7 +28,28 @@ export class CompactBuilder {
         shell: '/bin/bash',
       },
       {
-        cmd: 'mkdir -p dist && find src -type f -name "*.compact" -exec cp {} dist/ \\; 2>/dev/null && rm dist/Mock*.compact 2>/dev/null || true',
+        /**
+         * Shell command to copy and clean `.compact` files from `src` to `dist`.
+         * - Creates `dist` directory if it doesn't exist.
+         * - Copies `.compact` files from `src` root to `dist` root (e.g., `src/Math.compact` → `dist/Math.compact`).
+         * - Copies `.compact` files from `src` subdirectories to `dist` with preserved structure (e.g., `src/interfaces/IMath.compact` → `dist/interfaces/IMath.compact`).
+         * - Excludes files in `src/test` and `src/src` directories.
+         * - Removes `Mock*.compact` files from `dist`.
+         * - Redirects errors to `/dev/null` and ensures the command succeeds with `|| true`.
+         */
+        cmd: [
+          'mkdir -p dist && \\', // Create dist directory if it doesn't exist
+          'find src -maxdepth 1 -type f -name "*.compact" -exec cp {} dist/ \\; && \\', // Copy .compact files from src root to dist root
+          'find src -type f -name "*.compact" \\', // Find .compact files in src subdirectories
+          '  -not -path "src/test/*" \\', // Exclude src/test directory
+          '  -not -path "src/src/*" \\', // Exclude src/src directory
+          '  -path "src/*/*" \\', // Only include files in subdirectories
+          '  -exec sh -c \\', // Execute a shell command for each file
+          '    \'mkdir -p "dist/$(dirname "{}" | sed "s|^src/||")" && \\', // Create subdirectory in dist
+          '     cp "{}" "dist/$(dirname "{}" | sed "s|^src/||")/"\' \\; \\', // Copy file to matching dist subdirectory
+          '2>/dev/null && \\', // Suppress error output
+          'rm dist/Mock*.compact 2>/dev/null || true', // Remove Mock*.compact files, ignore errors
+        ].join('\n'),
         msg: 'Copying and cleaning .compact files',
         shell: '/bin/bash',
       },
@@ -82,16 +66,11 @@ export class CompactBuilder {
   /**
    * Executes the full build process: compiles .compact files first, then runs build steps.
    * Displays progress with spinners and outputs results in color.
-   *
-   * @returns A promise that resolves when all steps complete successfully
-   * @throws Error if compilation or any build step fails
    */
   public async build(): Promise<void> {
-    // Run compact compilation as a prerequisite
     const compiler = new CompactCompiler(this.compilerFlags);
     await compiler.compile();
 
-    // Proceed with build steps
     for (const [index, step] of this.steps.entries()) {
       await this.executeStep(step, index, this.steps.length);
     }
@@ -100,12 +79,6 @@ export class CompactBuilder {
   /**
    * Executes a single build step.
    * Runs the command, shows a spinner, and prints output with indentation.
-   *
-   * @param step - The build step containing command and message
-   * @param index - Current step index (0-based) for progress display
-   * @param total - Total number of steps for progress display
-   * @returns A promise that resolves when the step completes successfully
-   * @throws Error if the step fails
    */
   private async executeStep(
     step: { cmd: string; msg: string; shell?: string },
@@ -118,26 +91,23 @@ export class CompactBuilder {
     try {
       const { stdout, stderr }: { stdout: string; stderr: string } =
         await execAsync(step.cmd, {
-          shell: step.shell, // Only pass shell where needed
+          shell: step.shell,
         });
       spinner.succeed(`[BUILD] ${stepLabel} ${step.msg}`);
       this.printOutput(stdout, chalk.cyan);
-      this.printOutput(stderr, chalk.yellow); // Show stderr (warnings) in yellow if present
-    } catch (error: any) {
-      spinner.fail(`[BUILD] ${stepLabel} ${step.msg}`);
-      this.printOutput(error.stdout, chalk.cyan);
-      this.printOutput(error.stderr, chalk.red);
-      console.error(chalk.red('[BUILD] ❌ Build failed:', error.message));
-      process.exit(1);
+      this.printOutput(stderr, chalk.yellow);
+    } catch (error: unknown) {
+      if (error instanceof Error) {
+        spinner.fail(`[BUILD] ${stepLabel} ${step.msg}`);
+        this.printOutput(error.message, chalk.red);
+      }
+      throw error;
     }
   }
 
   /**
    * Prints command output with indentation and specified color.
    * Filters out empty lines and indents each line for readability.
-   *
-   * @param output - The command output string to print (stdout or stderr)
-   * @param colorFn - Chalk color function to style the output (e.g., `chalk.cyan` for success, `chalk.red` for errors)
    */
   private printOutput(
     output: string | undefined,
@@ -148,8 +118,7 @@ export class CompactBuilder {
         .split('\n')
         .filter((line: string): boolean => line.trim() !== '')
         .map((line: string): string => `    ${line}`);
-      // biome-ignore lint/suspicious/noConsoleLog: needed for debugging
-      console.log(colorFn(lines.join('\n')));
+      console.info(colorFn(lines.join('\n')));
     }
   }
 }