fix(zeroclaw): remove remaining stale zeroclaw references from CI/packer

Remove zeroclaw from:
- .github/workflows/agent-tarballs.yml ARM build matrix
- .github/workflows/docker.yml agent matrix
- packer/digitalocean.pkr.hcl comment
- sh/e2e/e2e.sh comment

Addresses all 5 stale references flagged in security review of PR #3107.

Agent: issue-fixer
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

Author: louisgv

.github/workflows/agent-tarballs.yml

@@ -49,8 +49,6 @@ jobs:
         # Native-binary agents need ARM builds too.
         # npm-based agents (codex, openclaw, kilocode) are arch-independent — x86_64 only.
         include:
-          - agent: zeroclaw
-            arch: arm64
           - agent: opencode
             arch: arm64
           - agent: hermes

.github/workflows/docker.yml

@@ -20,7 +20,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        agent: [claude, codex, cursor, openclaw, opencode, kilocode, zeroclaw, hermes, junie]
+        agent: [claude, codex, cursor, openclaw, opencode, kilocode, hermes, junie]
     steps:
       - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5  # v4
 

packer/digitalocean.pkr.hcl

@@ -35,8 +35,8 @@ source "digitalocean" "spawn" {
   api_token    = var.digitalocean_access_token
   image        = "ubuntu-24-04-x64"
   region       = "sfo3"
-  # 2 GB RAM needed — Claude's native installer and zeroclaw's Rust build
-  # get OOM-killed on s-1vcpu-1gb. Snapshots built here work on all sizes.
+  # 2 GB RAM needed — Claude's native installer gets OOM-killed on
+  # s-1vcpu-1gb. Snapshots built here work on all sizes.
   size         = "s-2vcpu-2gb"
   ssh_username = "root"
 

sh/e2e/e2e.sh

@@ -230,7 +230,7 @@ run_single_agent() {
   # Per-agent timeout: run provision/verify/input_test in a subshell with a
   # wall-clock timeout. This prevents any single step from hanging indefinitely
   # and ensures a result file is always written (pass, fail, or timeout).
-  # Fixes #2714: sprite-zeroclaw and digitalocean-opencode stalling with no result.
+  # Fixes #2714: digitalocean-opencode stalling with no result.
   # ---------------------------------------------------------------------------
   local effective_agent_timeout
   effective_agent_timeout=$(get_agent_timeout "${agent}")