diff --git a/.gitignore b/.gitignore
index ed2179f..91a35bd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,7 @@
 blender/
+cake_wallet/
 cava/
+chromium/
 Code/
 composer/
 dconf/
diff --git a/home-manager/home.nix b/home-manager/home.nix
index 19b18cf..0742b7c 100644
--- a/home-manager/home.nix
+++ b/home-manager/home.nix
@@ -70,11 +70,14 @@
     lazygit
     cargo-cross
     cargo-generate
-    claude-code
-    codex
     probe-rs-tools
     elf2uf2-rs
 
+    # AI development tools
+    claude-code
+    codex
+    gemini-cli
+
     # Internet & networking
     firefox-bin
     filezilla
@@ -95,6 +98,7 @@
 
     # Document processing
     tectonic
+    mermaid-cli
 
     # Theming
     pywal
diff --git a/mimeapps.list b/mimeapps.list
index 4d4687f..73caf9b 100644
--- a/mimeapps.list
+++ b/mimeapps.list
@@ -6,6 +6,7 @@ image/png=org.gnome.Loupe.desktop;
 text/plain=org.gnome.TextEditor.desktop;
 image/heif=org.gnome.Loupe.desktop;
 application/pdf=org.pwmt.zathura-pdf-mupdf.desktop;
+application/zip=org.gnome.FileRoller.desktop;
 
 [Default Applications]
 text/markdown=org.gnome.TextEditor.desktop
@@ -15,3 +16,4 @@ text/plain=org.gnome.TextEditor.desktop
 image/heif=org.gnome.Loupe.desktop
 x-scheme-handler/discord-1216669957799018608=discord-1216669957799018608.desktop
 application/pdf=org.pwmt.zathura-pdf-mupdf.desktop
+application/zip=org.gnome.FileRoller.desktop