fix: dnf support in setup-node + setup-aws, node label t3.medium

- setup-node: detect dnf (Amazon Linux) alongside apk/apt-get
- setup-aws: detect dnf for official installer
- node Spot bumped to t3.medium (4GB) — Docusaurus OOM'd on t3.small

orchestrator/dispatch/main.go

@@ -101,7 +101,7 @@ type spotConfig struct {
 
 var labelToSpot = map[string]spotConfig{
 	"go":     {InstanceType: "t3.small", MaxPrice: "0.02"},
-	"node":   {InstanceType: "t3.small", MaxPrice: "0.02"},
+	"node":   {InstanceType: "t3.medium", MaxPrice: "0.04"},
 	"docker": {InstanceType: "t3.medium", MaxPrice: "0.04"},
 	"deploy": {InstanceType: "t3.micro", MaxPrice: "0.01"},
 	"godot":  {InstanceType: "t3.medium", MaxPrice: "0.04"},

setup-aws/action.yml

@@ -1,8 +1,9 @@
 # tinqs/ci/setup-aws — Tinqs Studio CI
 # Installs AWS CLI and optionally logs into ECR.
-# Detects Alpine (musl) vs Debian (glibc) and uses the right install method.
-# Credentials come from the runner environment (IAM task role on Fargate, instance
-# profile on EC2/Lightsail) — no explicit key configuration needed.
+# Detects Alpine (apk/pip), Debian (apt-get), and Amazon Linux/RHEL (dnf).
+# Skips install if AWS CLI is already present (pre-baked AMI).
+# Credentials come from the runner environment (IAM instance profile on EC2,
+# task role on Fargate) — no explicit key configuration needed.
 # Composite action — runs directly on the host.
 # Author: Ozan + Claude Code — 2026-05-22
 
@@ -35,9 +36,8 @@ runs:
             # Alpine — use pip (AWS CLI v2 binary needs glibc)
             apk add --no-cache python3 py3-pip
             pip3 install --break-system-packages awscli 2>/dev/null || pip3 install awscli
-          elif command -v apt-get &>/dev/null; then
-            # Debian/Ubuntu — use official installer
-            apt-get update && apt-get install -y unzip curl
+          elif command -v dnf &>/dev/null || command -v apt-get &>/dev/null; then
+            # Amazon Linux / Debian — official installer (glibc available)
             curl -fsSL https://awscli.amazonaws.com/awscli-exe-linux-x86_64.zip -o /tmp/awscli.zip
             unzip -q /tmp/awscli.zip -d /tmp/aws-install
             /tmp/aws-install/aws/install

setup-node/action.yml

@@ -1,7 +1,7 @@
 # tinqs/ci/setup-node — Tinqs Studio CI
 # Installs Node.js and optionally pnpm.
-# Detects Alpine vs Debian and uses the right package manager.
-# Skips install if the correct major version is already present (pre-baked runner image).
+# Detects Alpine (apk), Debian (apt-get), and Amazon Linux/RHEL (dnf).
+# Skips install if the correct major version is already present (pre-baked AMI).
 # Composite action — runs directly on the host.
 # Author: Ozan + Claude Code — 2026-05-22
 
@@ -29,10 +29,17 @@ runs:
           if [ "$CURRENT" = "$NODE_VERSION" ]; then
             echo "Node $NODE_VERSION already installed"
             node --version
-            if [ "$INSTALL_PNPM" = "true" ] && command -v pnpm &>/dev/null; then
-              pnpm --version
-              exit 0
+            if [ "$INSTALL_PNPM" = "true" ]; then
+              if command -v pnpm &>/dev/null; then
+                pnpm --version
+                exit 0
+              else
+                npm install -g pnpm
+                pnpm --version
+                exit 0
+              fi
             fi
+            exit 0
           fi
         fi
 
@@ -40,6 +47,10 @@ runs:
         if command -v apk &>/dev/null; then
           # Alpine
           apk add --no-cache nodejs npm
+        elif command -v dnf &>/dev/null; then
+          # Amazon Linux / RHEL / Fedora
+          curl -fsSL "https://rpm.nodesource.com/setup_${NODE_VERSION}.x" | bash -
+          dnf install -y nodejs
         elif command -v apt-get &>/dev/null; then
           # Debian/Ubuntu
           curl -fsSL "https://deb.nodesource.com/setup_${NODE_VERSION}.x" | bash -