Initial: Nix flake reproducing MacBook capabilities on x86_64 NixOS

- pi coding agent (from sscoble/pi-mono Forgejo mirror)
- qmd vault search (via bunx @tobilu/qmd)
- zsh + oh-my-zsh + developer tooling
- home-manager config for sscoble user
- Forgejo Action to check pi version drift daily

.forgejo/workflows/check-pi-version.yml

@@ -0,0 +1,51 @@
+name: Check pi version drift
+
+on:
+  schedule:
+    - cron: "0 6 * * *" # Daily at 6am
+  workflow_dispatch:
+
+jobs:
+  check-pi:
+    runs-on: nixos
+    steps:
+      - name: Checkout laptop-config
+        uses: actions/checkout@v4
+
+      - name: Get latest pi-mono tag
+        id: tag
+        run: |
+          # Forgejo mirror of badlogic/pi-mono
+          LATEST=$(git ls-remote --tags https://os.scoble.me/forgejo/sscoble/pi-mono.git \
+            | grep -v '\^{}' \
+            | awk -F/ '{print $NF}' \
+            | grep -E '^v?[0-9]' \
+            | sort -V | tail -1)
+          echo "latest=$LATEST" >> $GITHUB_OUTPUT
+          echo "Latest pi-mono tag: $LATEST"
+
+      - name: Get current version in flake
+        id: current
+        run: |
+          CURRENT=$(grep -E 'version = "' flake.nix | head -1 | sed 's/.*version = "\([^"]*\)".*/\1/')
+          echo "current=$CURRENT" >> $GITHUB_OUTPUT
+          echo "Current flake version: $CURRENT"
+
+      - name: Open issue on drift
+        if: steps.tag.outputs.latest != '' && steps.tag.outputs.latest != steps.current.outputs.current
+        run: |
+          LATEST="${{ steps.tag.outputs.latest }}"
+          CURRENT="${{ steps.current.outputs.current }}"
+          echo "DRIFT: pi-mono $LATEST vs flake $CURRENT"
+
+          # Create issue via API if token is available
+          if [ -n "$FORGEJO_TOKEN" ]; then
+            curl -s -X POST "https://os.scoble.me/forgejo/api/v1/repos/sscoble/laptop-config/issues" \
+              -H "Authorization: token $FORGEJO_TOKEN" \
+              -H "Content-Type: application/json" \
+              -d "{
+                \"title\": \"pi: upstream $LATEST available (flake has $CURRENT)\",
+                \"body\": \"The pi-mono mirror has tag \`$LATEST\`. The flake currently targets \`$CURRENT\`.\\n\\nAction: update \`flake.nix\` version string and rebuild.\",
+                \"labels\": [\"improvement\"]
+              }"
+        fi