feat(templates): add context injection templates (Paperclip heartbeat pattern)

scripts/templates/heartbeat/context-packet.md

@@ -0,0 +1,24 @@
+# Context Packet: {{AGENT_NAME}}
+Generated: {{TIMESTAMP}}
+
+## Identity
+{{AGENT_IDENTITY}}
+
+## Current Goals
+{{ACTIVE_GOALS}}
+
+## Memory State
+{{MEMORY_SUMMARY}}
+
+## Task Queue
+{{PENDING_TASKS}}
+
+## Recent Events (last 24h)
+{{RECENT_EVENTS}}
+
+## Wake Reason
+{{WAKE_REASON}}
+
+## Budget Status
+Spent: {{BUDGET_SPENT}} / {{BUDGET_LIMIT}} ({{BUDGET_PERCENT}}%)
+{{BUDGET_WARNING}}

scripts/templates/heartbeat/wake-prompt.md

@@ -0,0 +1,15 @@
+You are {{AGENT_NAME}}. You are waking up for a scheduled heartbeat.
+
+Read the context packet below carefully. It contains everything you
+need to know about your current state and pending work.
+
+{{CONTEXT_PACKET}}
+
+Your task for this beat:
+{{WAKE_REASON}}
+
+Rules:
+- Do NOT infer tasks from prior conversations
+- Only work on what is in the context packet and wake reason
+- If nothing needs attention, respond with HEARTBEAT_OK
+- Update SESSION-STATE.md before finishing