diff --git a/packages/shared-branding/package.json b/packages/shared-branding/package.json
index 898af0254..ccf40ef12 100644
--- a/packages/shared-branding/package.json
+++ b/packages/shared-branding/package.json
@@ -3,6 +3,10 @@
 	"version": "1.0.0",
 	"private": true,
 	"type": "module",
+	"sideEffects": [
+		"**/*.svelte",
+		"**/*.css"
+	],
 	"svelte": "./src/index.ts",
 	"main": "./src/index.ts",
 	"types": "./src/index.ts",
diff --git a/packages/shared-links/package.json b/packages/shared-links/package.json
index f6e8ab60d..69598cefe 100644
--- a/packages/shared-links/package.json
+++ b/packages/shared-links/package.json
@@ -3,6 +3,10 @@
 	"version": "0.1.0",
 	"private": true,
 	"type": "module",
+	"sideEffects": [
+		"**/*.svelte",
+		"**/*.css"
+	],
 	"main": "./src/index.ts",
 	"types": "./src/index.ts",
 	"exports": {
diff --git a/packages/shared-llm/package.json b/packages/shared-llm/package.json
index f8711d415..9b14f5ebb 100644
--- a/packages/shared-llm/package.json
+++ b/packages/shared-llm/package.json
@@ -2,6 +2,7 @@
 	"name": "@mana/shared-llm",
 	"version": "2.0.0",
 	"private": true,
+	"sideEffects": false,
 	"description": "Tiered LLM orchestrator for Mana — routes tasks across rules / browser-edge / mana-server / cloud backends with explicit user-controlled privacy tiers",
 	"main": "./src/index.ts",
 	"types": "./src/index.ts",
diff --git a/packages/shared-storage/package.json b/packages/shared-storage/package.json
index 25a414aa9..9c34df73a 100644
--- a/packages/shared-storage/package.json
+++ b/packages/shared-storage/package.json
@@ -2,6 +2,7 @@
 	"name": "@mana/shared-storage",
 	"version": "0.1.0",
 	"private": true,
+	"sideEffects": false,
 	"description": "S3-compatible object storage client for Mana monorepo (MinIO)",
 	"main": "./dist/index.js",
 	"types": "./dist/index.d.ts",
diff --git a/packages/shared-theme/package.json b/packages/shared-theme/package.json
index f509724e8..bbc303109 100644
--- a/packages/shared-theme/package.json
+++ b/packages/shared-theme/package.json
@@ -3,6 +3,7 @@
 	"version": "0.1.0",
 	"private": true,
 	"type": "module",
+	"sideEffects": false,
 	"svelte": "./src/index.ts",
 	"main": "./src/index.ts",
 	"types": "./src/index.ts",
diff --git a/packages/shared-types/package.json b/packages/shared-types/package.json
index 39b7c724e..1a952e558 100644
--- a/packages/shared-types/package.json
+++ b/packages/shared-types/package.json
@@ -2,6 +2,8 @@
 	"name": "@mana/shared-types",
 	"version": "0.1.0",
 	"private": true,
+	"type": "module",
+	"sideEffects": false,
 	"description": "Shared TypeScript types for Mana monorepo",
 	"main": "./src/index.ts",
 	"types": "./src/index.ts",
diff --git a/packages/shared-ui/package.json b/packages/shared-ui/package.json
index 366512f0e..7be4b9b5b 100644
--- a/packages/shared-ui/package.json
+++ b/packages/shared-ui/package.json
@@ -3,6 +3,10 @@
 	"version": "0.1.0",
 	"private": true,
 	"type": "module",
+	"sideEffects": [
+		"**/*.svelte",
+		"**/*.css"
+	],
 	"svelte": "./src/index.ts",
 	"main": "./src/index.ts",
 	"types": "./src/index.ts",
diff --git a/packages/shared-utils/package.json b/packages/shared-utils/package.json
index d28f3e3ba..c2b8c48e4 100644
--- a/packages/shared-utils/package.json
+++ b/packages/shared-utils/package.json
@@ -2,6 +2,7 @@
 	"name": "@mana/shared-utils",
 	"version": "0.1.0",
 	"private": true,
+	"sideEffects": false,
 	"description": "Shared utility functions for Mana monorepo",
 	"main": "./src/index.ts",
 	"types": "./src/index.ts",