Configuration structure is defined in pkg/config/config.go under CompactorConfig and TierBudgetsConfig; defaults are in DefaultCompactorConfig() (pkg/config/defaults.go). Field names below are consistent with JSON / environment variables and source code.
{
"compactor": {
"enabled": true,
"trigger_token_percent": 70,
"keep_recent": 10,
"tier_budgets": {
"l0": 200,
"l1": 1000,
"l2": 3000
},
"dedup_enabled": true,
"dedup_similarity_threshold": 0.6,
"strip_emoji": true,
"remove_duplicate_lines": true,
"normalize_cjk": true,
"smart_rule_selection": true,
"parallel_processing": true,
"incremental_compaction": true,
"summarization_model": ""
}
}When summarization_model is empty, the default conversation model is used; to specify a separate summarization model, provide a model name available to the provider.
| Environment Variable | Description |
|---|---|
MOONHUB_COMPACTOR_ENABLED |
Enable/disable |
MOONHUB_COMPACTOR_TRIGGER_TOKEN_PERCENT |
Trigger percentage relative to context window |
MOONHUB_COMPACTOR_KEEP_RECENT |
Number of recent messages to keep after compaction |
MOONHUB_COMPACTOR_DEDUP_ENABLED |
Enable deduplication |
MOONHUB_COMPACTOR_DEDUP_SIMILARITY_THRESHOLD |
Jaccard similarity threshold |
MOONHUB_COMPACTOR_STRIP_EMOJI |
Strip emojis |
MOONHUB_COMPACTOR_REMOVE_DUPLICATE_LINES |
Remove duplicate lines (rule layer) |
MOONHUB_COMPACTOR_NORMALIZE_CJK |
CJK punctuation normalization |
MOONHUB_COMPACTOR_SMART_RULE_SELECTION |
Enable rule subset by content |
MOONHUB_COMPACTOR_PARALLEL_PROCESSING |
Parallel processing |
MOONHUB_COMPACTOR_INCREMENTAL_COMPACTION |
Incremental compaction |
MOONHUB_COMPACTOR_SUMMARIZATION_MODEL |
Dedicated summarization model (optional) |
| Item | Default |
|---|---|
enabled |
true |
trigger_token_percent |
70 |
keep_recent |
10 |
tier_budgets.l0/l1/l2 |
200 / 1000 / 3000 |
dedup_similarity_threshold |
0.6 |
| Other boolean switches | Mostly true (see DefaultCompactorConfig) |
Persistence path, trigger logic, and loop integration are documented in docs/implementation/compactor-status.md.