opencode: fix playwright skill: 2

home-manager/progs/opencode.nix

@@ -53,10 +53,46 @@ in
 {
   home.packages = [
     inputs.oh-my-opencode.packages.${pkgs.stdenv.hostPlatform.system}.oh-my-opencode
+    pkgs.playwright-driver.browsers
   ];
 
+  home.sessionVariables = {
+    PLAYWRIGHT_BROWSERS_PATH = "${pkgs.playwright-driver.browsers}";
+    PLAYWRIGHT_SKIP_BROWSER_DOWNLOAD = "1";
+  };
+
   xdg.configFile."opencode/oh-my-opencode.json".text = builtins.toJSON ohMyOpencodeConfig;
 
+  xdg.configFile."opencode/skills/playwright.md".text =
+    let
+      browsers = pkgs.playwright-driver.browsers;
+      chromiumDir = builtins.head (
+        builtins.filter (n: builtins.match "chromium-[0-9]+" n != null) (
+          builtins.attrNames browsers.passthru.entries
+        )
+      );
+      chromiumPath = "${browsers}/${chromiumDir}/chrome-linux64/chrome";
+    in
+    ''
+      ---
+      name: playwright
+      description: "MUST USE for any browser-related tasks. Browser automation via Playwright MCP - verification, browsing, information gathering, web scraping, testing, screenshots, and all browser interactions."
+      mcp:
+        playwright:
+          command: npx
+          args:
+            - "@playwright/mcp@latest"
+            - "--executable-path"
+            - "${chromiumPath}"
+            - "--user-data-dir"
+            - "${config.home.homeDirectory}/.cache/playwright-mcp"
+      ---
+
+      # Playwright Browser Automation
+
+      This skill provides browser automation capabilities via the Playwright MCP server.
+    '';
+
   programs.opencode = {
     package = inputs.llm-agents.packages.${pkgs.stdenv.targetPlatform.system}.opencode;
     enable = true;
@@ -71,7 +107,7 @@ in
       ## Misc
       For long-running commands, make sure you set the timeout of the Bash tool provided to a larger value.
       Do NOT read secret files. Do not directly read files that are api keys or are contextually sensitive.
-      Do NOT run `skill_mcp [mcp_name=playwright, tool_name=browser_install]` as it requires root and will not work.
+      Do NOT run `skill_mcp [mcp_name=playwright, tool_name=browser_install]` as browsers are provided by NixOS via PLAYWRIGHT_BROWSERS_PATH.
 
       ## Behavior
       Do not be sycophantic in your responses.