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Fusion 176e50158b docs(FN-4404): document blocked heartbeat investigation preflight

- Add FN-4404 investigation notes under docs/
- Record the missing agent and heartbeat evidence gathered during preflight
- Document why the absent runtime state blocks Case A/B/C classification
- List the runtime data needed to unblock the remaining investigation steps

Fusion-Task-Id: FN-4404

2026-05-13 16:48:17 -07:00

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FN-4404 heartbeat investigation (blocked)

Status

Blocked during preflight due missing source data.

Evidence collected

.fusion/fusion.db exists and is readable.
sqlite3 .fusion/fusion.db "SELECT COUNT(*) FROM agents;" returned 0.
Querying for name = 'Technical Writer' returned no rows.
fn_list_agents({ includeEphemeral: true }) returned no agents.

Why this blocks FN-4404

The task requires measuring Technical Writer runtime config, lastHeartbeatAt, and heartbeat-run history, then classifying against engine/dashboard staleness thresholds. With no agent rows and no heartbeat runs present, there is no measurable state to classify and no evidence for Case A/B/C.

Unblock requirements

Provide a project/runtime state (or DB snapshot) that contains:

A Technical Writer agent record in the agent store.
Corresponding heartbeat-run records for that agent.

Once available, the investigation can be completed per PROMPT.md Steps 1–5.

986 B Raw Blame History Unescape Escape