bootstrap: fix rule syntax, enable metrics+coach definitions

Align coulomb ActivityDefinition rules with activity-core path syntax
(context.p.* / {context.p.*}). Enable hourly-metrics-optimize and
hourly-coach-orientation; record first E2E cycle in bootstrap-log.

activity-definitions/hourly-optimization-review.md

@@ -25,16 +25,16 @@ context_sources:
 id: run-hourly-optimization
 for_each: context.scheduled_runs
 bind_as: r
-condition: 'r.agent == "optimization" and r.enabled == true'
+condition: 'context.r.agent == "optimization" and context.r.enabled'
 action:
-  task_template: "Hourly optimization review: {{r.repo}}"
+  task_template: "Hourly optimization review: {context.r.repo}"
   description: |
-    {{r.prepare_command}}
+    {context.r.prepare_command}
     kaizen-agentic metrics optimize
     Load agents/agent-optimization.md; act on recommendations.
     Session close: kaizen-agentic metrics record optimization --success --time <s> --quality <0-1>
     If saturation signals fire (ADR-004), file regulator rotation recommendation.
-  target_repo: "{{r.repo}}"
+  target_repo: context.r.repo
   priority: medium
   labels: ["kaizen", "agent-run", "optimization", "coulomb-loop", "bootstrap"]
 ```