fix: remove remaining action-agent references from docs and configs

- Remove action-agent card from site/docs/architecture.html
- Remove action/ directory line from architecture.html
- Update formula comments to reference dispatcher instead of action-agent
- Remove action/action.log from log scan loops in preflight.sh and collect-metrics.sh
- Remove action from find command in agent-smoke.sh

site/collect-metrics.sh

@@ -188,7 +188,7 @@ collect_agent_metrics() {
   local agent_name log_path age_min last_active
   for log_entry in dev/dev-agent.log review/review.log gardener/gardener.log \
                    planner/planner.log predictor/predictor.log supervisor/supervisor.log \
-                   action/action.log vault/vault.log; do
+                   vault/vault.log; do
     agent_name=$(basename "$(dirname "$log_entry")")
     log_path="${FACTORY_ROOT}/${log_entry}"
     if [ -f "$log_path" ]; then

site/docs/architecture.html

@@ -397,11 +397,6 @@
           <div class="role">Detects <strong>infrastructure patterns</strong> &mdash; recurring failures, resource trends, emerging issues. Files predictions for triage.</div>
           <div class="trigger">Cron: daily</div>
         </div>
-        <div class="agent-card">
-          <div class="name">action-agent</div>
-          <div class="role">Executes <strong>operational tasks</strong> defined as formulas &mdash; site deployments, data migrations, any multi-step procedure.</div>
-          <div class="trigger">Cron: every 5 min</div>
-        </div>
         <div class="agent-card">
           <div class="name">vault</div>
           <div class="role"><strong>Safety gate.</strong> Reviews dangerous actions before they execute. Auto-approves safe operations, escalates risky ones to a human.</div>
@@ -525,7 +520,6 @@ disinto/
 ├── <span class="agent-name">planner/</span>       planner-run.sh (weekly cron executor)
 ├── <span class="agent-name">supervisor/</span>    supervisor-run.sh (health monitoring)
 ├── <span class="agent-name">vault/</span>         vault-poll.sh, vault-agent.sh, vault-fire.sh
-├── <span class="agent-name">action/</span>        action-poll.sh, action-agent.sh
 ├── <span class="agent-name">lib/</span>           env.sh, agent-session.sh, ci-helpers.sh
 ├── <span class="agent-name">projects/</span>      *.toml per-project config
 ├── <span class="agent-name">formulas/</span>      TOML specs for multi-step agent tasks