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-coach-orientation.md

@@ -1,7 +1,7 @@
 ---
 id: coulomb-hourly-coach-orientation
 name: Hourly Kaizen Coach Orientation (coulomb-loop bootstrap)
-enabled: false
+enabled: true
 owner: coulomb-loop
 governance: coulomb_social
 status: proposed
@@ -25,14 +25,14 @@ context_sources:
 id: run-hourly-coach
 for_each: context.scheduled_runs
 bind_as: r
-condition: 'r.agent == "coach" and r.enabled == true'
+condition: 'context.r.agent == "coach" and context.r.enabled'
 action:
-  task_template: "Hourly coach orientation: {{r.repo}}"
+  task_template: "Hourly coach orientation: {context.r.repo}"
   description: |
-    {{r.prepare_command}}
+    {context.r.prepare_command}
     Load agents/agent-coach.md, execute coach synthesis.
     Session close: kaizen-agentic metrics record coach --success --time <s> --quality <0-1>
-  target_repo: "{{r.repo}}"
+  target_repo: context.r.repo
   priority: medium
   labels: ["kaizen", "agent-run", "coach", "coulomb-loop", "bootstrap"]
 ```

activity-definitions/hourly-metrics-health-sweep.md

@@ -27,15 +27,15 @@ Bootstrap fallback per DEC-002 option A until `kaizen.metrics.recorded` events s
 id: flag-low-success-hourly
 for_each: context.projects
 bind_as: p
-condition: 'p.summary.success_rate < 0.8 and p.summary.execution_count >= 5'
+condition: 'context.p.summary.success_rate < 0.8 and context.p.summary.execution_count >= 5'
 action:
-  task_template: "Review {{p.agent}} success rate on {{p.repo}}"
+  task_template: "Review {context.p.agent} success rate on {context.p.repo}"
   description: |
-    Agent metrics below threshold on {{p.repo}}.
+    Agent metrics below threshold on {context.p.repo}.
     kaizen-agentic metrics show <agent>
     kaizen-agentic metrics optimize <agent>
     Load agents/agent-optimization.md for review.
-  target_repo: "{{p.repo}}"
+  target_repo: context.p.repo
   priority: high
   labels: ["kaizen", "quality-escalation", "coulomb-loop", "bootstrap"]
 ```

activity-definitions/hourly-metrics-optimize.md

@@ -1,7 +1,7 @@
 ---
 id: coulomb-hourly-metrics-optimize
 name: Hourly Kaizen Metrics Optimization (coulomb-loop bootstrap)
-enabled: false
+enabled: true
 owner: coulomb-loop
 governance: coulomb_social
 status: proposed
@@ -28,13 +28,13 @@ Runs hourly during coulomb-loop bootstrap phase. Limited to pilot roster
 id: run-hourly-optimizer
 for_each: context.projects
 bind_as: p
-condition: 'p.has_metrics == true and p.in_pilot_roster == true'
+condition: 'context.p.has_metrics and context.p.in_pilot_roster'
 action:
-  task_template: "Run kaizen metrics optimize on {{p.repo}}"
+  task_template: "Run kaizen metrics optimize on {context.p.repo}"
   description: |
-    cd {{p.root}} && kaizen-agentic metrics optimize
+    cd {context.p.root} && kaizen-agentic metrics optimize
     Optional: kaizen-agentic metrics publish (when artifact-store configured)
-  target_repo: "{{p.repo}}"
+  target_repo: context.p.repo
   priority: medium
   labels: ["kaizen", "metrics", "optimizer", "coulomb-loop", "bootstrap"]
 ```

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"]
 ```