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events: persist to sqlite, survive harness restart

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hive_ag3nt::events::Bus replaces its in-memory VecDeque with a sqlite-
backed store at /state/hyperhive-events.sqlite (overridable via
HYPERHIVE_EVENTS_DB). emit() inserts a row; history() reads back the
most recent 2000 events. survives harness restart now — operator reload
mid-investigation no longer wipes the trail.

vacuum runs hourly (immediate first sweep): drop rows older than 7
days, then trim to 2000 newest. two-stage so a quiet agent keeps a
useful tail and a chatty one stays bounded. wired into both
hive-ag3nt and hive-m1nd via spawn_events_vacuum.

if the db open fails (e.g. no /state mount in dev), Bus runs in
no-store mode — events still broadcast, just nothing persisted.
This commit is contained in:
müde 2026-05-15 19:42:57 +02:00
parent 6d52f67292
commit de09503b59
6 changed files with 170 additions and 23 deletions
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1
hive-ag3nt/Cargo.toml
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@ -12,6 +12,7 @@ axum.workspace = true
clap.workspace = true
hive-sh4re.workspace = true
rmcp.workspace = true
rusqlite.workspace = true
schemars.workspace = true
serde.workspace = true
serde_json.workspace = true