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Running on Zero
Running on Zero
File size: 5,539 Bytes
31c93b1 4cd8837 31c93b1 4cd8837 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 | """HearthNet — compile-time constants (numeric defaults, limits).
All module code that needs a tunable default imports from here.
Never hardcode these values inline.
"""
from __future__ import annotations
# ── Node manifest ────────────────────────────────────────────────────────────
MANIFEST_TTL_SECONDS: int = 30
MANIFEST_REFRESH_BEFORE_EXPIRY_SECONDS: int = 10
# ── Discovery ────────────────────────────────────────────────────────────────
MDNS_SERVICE_TYPE: str = "_hearthnet._tcp.local."
UDP_MULTICAST_GROUP: str = "224.0.0.251"
UDP_MULTICAST_PORT: int = 7079
UDP_ANNOUNCE_INTERVAL_ONLINE_SECONDS: int = 15
UDP_ANNOUNCE_INTERVAL_OFFLINE_SECONDS: int = 5
PEER_PRUNE_NORMAL_SECONDS: int = 90
PEER_PRUNE_AGGRESSIVE_SECONDS: int = 30
PEER_REFRESH_INTERVAL_SECONDS: int = 30
# ── Transport ────────────────────────────────────────────────────────────────
HTTP_PORT: int = 7080
UI_PORT: int = 7860
CONNECTION_IDLE_SECONDS: int = 60
RECONNECT_BACKOFF_CAP_SECONDS: int = 30
RATE_LIMIT_WINDOW_SECONDS: int = 60
RATE_LIMIT_MAX_CALLS: int = 200
# ── Bus ──────────────────────────────────────────────────────────────────────
BUS_HEALTH_WINDOW: int = 20 # samples per ring-buffer window
BUS_QUARANTINE_SECONDS: int = 60
BUS_FRESHNESS_SECONDS: int = 60
BUS_LOCAL_LOAD_THRESHOLD: float = 0.80
# ── Emergency detector ───────────────────────────────────────────────────────
EMERGENCY_PROBE_INTERVAL_ONLINE_SECONDS: int = 30
EMERGENCY_PROBE_INTERVAL_OFFLINE_SECONDS: int = 10
EMERGENCY_PROBE_TIMEOUT_SECONDS: int = 5
EMERGENCY_TRANSITION_DEBOUNCE_SECONDS: int = 5
EMERGENCY_ANTI_FLAP_WINDOW_SECONDS: int = 60
EMERGENCY_ANTI_FLAP_MAX_TRANSITIONS: int = 3
EMERGENCY_CLOCK_SKEW_WARN_SECONDS: int = 60
# ── Blobs ─────────────────────────────────────────────────────────────────────
CHUNK_SIZE_BYTES: int = 256 * 1024 # 256 KB
BLOB_GC_THRESHOLD: float = 0.80
# ── Events / Lamport ─────────────────────────────────────────────────────────
SNAPSHOT_KEEP_LAST_N: int = 7
# ── Observability ─────────────────────────────────────────────────────────────
LOG_RETENTION_DAYS: int = 14
TRACE_RING_BUFFER_SIZE: int = 1000
# ── Onboarding ───────────────────────────────────────────────────────────────
INVITE_DEFAULT_TTL_SECONDS: int = 86400 # 24 h
# ── RAG / Embedding ──────────────────────────────────────────────────────────
RAG_DEFAULT_CHUNK_SIZE_TOKENS: int = 512
# ── Rerank ────────────────────────────────────────────────────────────────────
RERANK_MAX_DOCS: int = 100
RERANK_LOAD_TIMEOUT_SECONDS: int = 60
EMBED_MAX_TEXTS: int = 256
EMBED_MAX_CHARS: int = 8192
RAG_OVERLAP_TOKENS: int = 64
EMBED_MAX_TEXTS: int = 256
EMBED_MAX_CHARS: int = 8192
EMBED_DEFAULT_MODEL: str = "BAAI/bge-small-en-v1.5"
# ── LLM ──────────────────────────────────────────────────────────────────────
LLM_STREAM_CANCEL_TIMEOUT_MS: int = 200
# ── Marketplace ──────────────────────────────────────────────────────────────
MARKET_SWEEP_INTERVAL_SECONDS: int = 60
MARKET_DEFAULT_TTL_SECONDS: int = 86400 * 7 # 1 week
MARKET_MAX_TTL_SECONDS: int = 86400 * 30 # 30 days
MARKET_SEARCH_CACHE_MAX: int = 5000
# ── STT / TTS ─────────────────────────────────────────────────────────────────
STT_MAX_AUDIO_SECONDS: int = 300
# ── Translation ───────────────────────────────────────────────────────────────
TRANSLATION_MAX_CHARS: int = 4000
# ── Rerank ────────────────────────────────────────────────────────────────────
RERANK_MAX_DOCS: int = 100
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