feat(claude-code): support binary distribution without Node.js dependency

registry/coder/modules/claude-code/README.md

@@ -13,7 +13,7 @@ Run the [Claude Code](https://docs.anthropic.com/en/docs/agents-and-tools/claude
 ```tf
 module "claude-code" {
   source              = "registry.coder.com/coder/claude-code/coder"
-  version             = "2.0.7"
+  version             = "2.1.0"
   agent_id            = coder_agent.example.id
   folder              = "/home/coder"
   install_claude_code = true
@@ -28,7 +28,6 @@ module "claude-code" {
 
 ## Prerequisites
 
-- Node.js and npm must be installed in your workspace to install Claude Code
 - You must add the [Coder Login](https://registry.coder.com/modules/coder-login) module to your template
 
 The `codercom/oss-dogfood:latest` container image can be used for testing on container-based workspaces.
@@ -84,7 +83,7 @@ resource "coder_agent" "main" {
 module "claude-code" {
   count               = data.coder_workspace.me.start_count
   source              = "registry.coder.com/coder/claude-code/coder"
-  version             = "2.0.7"
+  version             = "2.1.0"
   agent_id            = coder_agent.example.id
   folder              = "/home/coder"
   install_claude_code = true
@@ -102,7 +101,7 @@ Run Claude Code as a standalone app in your workspace. This will install Claude
 ```tf
 module "claude-code" {
   source              = "registry.coder.com/coder/claude-code/coder"
-  version             = "2.0.7"
+  version             = "2.1.0"
   agent_id            = coder_agent.example.id
   folder              = "/home/coder"
   install_claude_code = true

registry/coder/modules/claude-code/main.tf

@@ -111,7 +111,7 @@ locals {
   encoded_post_install_script        = var.experiment_post_install_script != null ? base64encode(var.experiment_post_install_script) : ""
   agentapi_start_script_b64          = base64encode(file("${path.module}/scripts/agentapi-start.sh"))
   agentapi_wait_for_start_script_b64 = base64encode(file("${path.module}/scripts/agentapi-wait-for-start.sh"))
-  remove_last_session_id_script_b64  = base64encode(file("${path.module}/scripts/remove-last-session-id.js"))
+  remove_last_session_id_script_b64  = base64encode(file("${path.module}/scripts/remove-last-session-id.sh"))
   claude_code_app_slug               = "ccw"
 }
 
@@ -129,6 +129,21 @@ resource "coder_script" "claude_code" {
       command -v "$1" >/dev/null 2>&1
     }
 
+    function install_claude_code_cli() {
+      echo "Installing Claude Code via official installer"
+      set +e
+      curl -fsSL claude.ai/install.sh | bash -s -- "${var.claude_code_version}" 2>&1
+      CURL_EXIT=$${PIPESTATUS[0]}
+      set -e
+      if [ $CURL_EXIT -ne 0 ]; then
+        echo "Claude Code installer failed with exit code $$CURL_EXIT"
+      fi
+
+      # Ensure binaries are discoverable.
+      export PATH="~/.local/bin:$PATH"
+      echo "Installed Claude Code successfully. Version: $(claude --version || echo 'unknown')"
+    }
+
     if [ ! -d "${local.workdir}" ]; then
       echo "Warning: The specified folder '${local.workdir}' does not exist."
       echo "Creating the folder..."
@@ -143,37 +158,7 @@ resource "coder_script" "claude_code" {
     fi
 
     if [ "${var.install_claude_code}" = "true" ]; then
-      if ! command_exists npm; then
-        echo "npm not found, checking for Node.js installation..."
-        if ! command_exists node; then
-          echo "Node.js not found, installing Node.js via NVM..."
-          export NVM_DIR="$HOME/.nvm"
-          if [ ! -d "$NVM_DIR" ]; then
-            mkdir -p "$NVM_DIR"
-            curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.7/install.sh | bash
-            [ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"
-          else
-            [ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"
-          fi
-
-          nvm install --lts
-          nvm use --lts
-          nvm alias default node
-
-          echo "Node.js installed: $(node --version)"
-          echo "npm installed: $(npm --version)"
-        else
-          echo "Node.js is installed but npm is not available. Please install npm manually."
-          exit 1
-        fi
-      fi
-      echo "Installing Claude Code..."
-      npm install -g @anthropic-ai/claude-code@${var.claude_code_version}
-    fi
-
-    if ! command_exists node; then
-      echo "Error: Node.js is not installed. Please install Node.js manually."
-      exit 1
+      install_claude_code_cli
     fi
 
     # Install AgentAPI if enabled
@@ -214,7 +199,7 @@ resource "coder_script" "claude_code" {
 
     echo -n "${local.agentapi_start_script_b64}" | base64 -d > "$module_path/scripts/agentapi-start.sh"
     echo -n "${local.agentapi_wait_for_start_script_b64}" | base64 -d > "$module_path/scripts/agentapi-wait-for-start.sh"
-    echo -n "${local.remove_last_session_id_script_b64}" | base64 -d > "$module_path/scripts/remove-last-session-id.js"
+    echo -n "${local.remove_last_session_id_script_b64}" | base64 -d > "$module_path/scripts/remove-last-session-id.sh"
     chmod +x "$module_path/scripts/agentapi-start.sh"
     chmod +x "$module_path/scripts/agentapi-wait-for-start.sh"
 
@@ -292,4 +277,4 @@ resource "coder_ai_task" "claude_code" {
   sidebar_app {
     id = coder_app.claude_code_web.id
   }
-}
+}

registry/coder/modules/claude-code/scripts/agentapi-start.sh

@@ -19,10 +19,10 @@ if [ -f "$log_file_path" ]; then
     mv "$log_file_path" "$log_file_path"".$(date +%s)"
 fi
 
-# see the remove-last-session-id.js script for details
+# see the remove-last-session-id.sh script for details
 # about why we need it
 # avoid exiting if the script fails
-node "$scripts_dir/remove-last-session-id.js" "$(pwd)" || true
+bash "$scripts_dir/remove-last-session-id.sh" "$(pwd)" 2>/dev/null || true
 
 # we'll be manually handling errors from this point on
 set +o errexit

registry/coder/modules/claude-code/scripts/remove-last-session-id.sh

@@ -0,0 +1,40 @@
+# If lastSessionId is present in .claude.json, claude --continue will start a
+# conversation starting from that session. The problem is that lastSessionId
+# doesn't always point to the last session. The field is updated by claude only
+# at the point of normal CLI exit. If Claude exits with an error, or if the user
+# restarts the Coder workspace, lastSessionId will be stale, and claude --continue
+# will start from an old session.
+#
+# If lastSessionId is missing, claude seems to accurately figure out where to
+# start using the conversation history - even if the CLI previously exited with
+# an error.
+#
+# This script removes the lastSessionId field from .claude.json.
+if [ $# -eq 0 ]; then
+  echo "No working directory provided - it must be the first argument"
+  exit 1
+fi
+
+# Get absolute path of working directory
+working_dir=$(realpath "$1")
+echo "workingDir $working_dir"
+
+# Path to .claude.json
+claude_json_path="$HOME/.claude.json"
+echo ".claude.json path $claude_json_path"
+
+# Check if .claude.json exists
+if [ ! -f "$claude_json_path" ]; then
+  echo "No .claude.json file found"
+  exit 0
+fi
+
+# Use jq to check if lastSessionId exists for the working directory and remove it
+
+if jq -e ".projects[\"$working_dir\"].lastSessionId" "$claude_json_path" > /dev/null 2>&1; then
+  # Remove lastSessionId and update the file
+  jq "del(.projects[\"$working_dir\"].lastSessionId)" "$claude_json_path" > "${claude_json_path}.tmp" && mv "${claude_json_path}.tmp" "$claude_json_path"
+  echo "Removed lastSessionId from .claude.json"
+else
+  echo "No lastSessionId found in .claude.json - nothing to do"
+fi