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b5b9c2e | 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 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 | """hermes-memory-store — holographic memory plugin using MemoryProvider interface.
Registers as a MemoryProvider plugin, giving the agent structured fact storage
with entity resolution, trust scoring, and HRR-based compositional retrieval.
Original plugin by dusterbloom (PR #2351), adapted to the MemoryProvider ABC.
Config in $HERMES_HOME/config.yaml (profile-scoped):
plugins:
hermes-memory-store:
db_path: $HERMES_HOME/memory_store.db # omit to use the default
auto_extract: false
default_trust: 0.5
min_trust_threshold: 0.3
temporal_decay_half_life: 0
"""
from __future__ import annotations
import json
import logging
import re
from typing import Any, Dict, List
from agent.memory_provider import MemoryProvider
from tools.registry import tool_error
from .store import MemoryStore
from .retrieval import FactRetriever
logger = logging.getLogger(__name__)
# ---------------------------------------------------------------------------
# Tool schemas (unchanged from original PR)
# ---------------------------------------------------------------------------
FACT_STORE_SCHEMA = {
"name": "fact_store",
"description": (
"Deep structured memory with algebraic reasoning. "
"Use alongside the memory tool — memory for always-on context, "
"fact_store for deep recall and compositional queries.\n\n"
"ACTIONS (simple → powerful):\n"
"• add — Store a fact the user would expect you to remember.\n"
"• search — Keyword lookup ('editor config', 'deploy process').\n"
"• probe — Entity recall: ALL facts about a person/thing.\n"
"• related — What connects to an entity? Structural adjacency.\n"
"• reason — Compositional: facts connected to MULTIPLE entities simultaneously.\n"
"• contradict — Memory hygiene: find facts making conflicting claims.\n"
"• update/remove/list — CRUD operations.\n\n"
"IMPORTANT: Before answering questions about the user, ALWAYS probe or reason first."
),
"parameters": {
"type": "object",
"properties": {
"action": {
"type": "string",
"enum": ["add", "search", "probe", "related", "reason", "contradict", "update", "remove", "list"],
},
"content": {"type": "string", "description": "Fact content (required for 'add')."},
"query": {"type": "string", "description": "Search query (required for 'search')."},
"entity": {"type": "string", "description": "Entity name for 'probe'/'related'."},
"entities": {"type": "array", "items": {"type": "string"}, "description": "Entity names for 'reason'."},
"fact_id": {"type": "integer", "description": "Fact ID for 'update'/'remove'."},
"category": {"type": "string", "enum": ["user_pref", "project", "tool", "general"]},
"tags": {"type": "string", "description": "Comma-separated tags."},
"trust_delta": {"type": "number", "description": "Trust adjustment for 'update'."},
"min_trust": {"type": "number", "description": "Minimum trust filter (default: 0.3)."},
"limit": {"type": "integer", "description": "Max results (default: 10)."},
},
"required": ["action"],
},
}
FACT_FEEDBACK_SCHEMA = {
"name": "fact_feedback",
"description": (
"Rate a fact after using it. Mark 'helpful' if accurate, 'unhelpful' if outdated. "
"This trains the memory — good facts rise, bad facts sink."
),
"parameters": {
"type": "object",
"properties": {
"action": {"type": "string", "enum": ["helpful", "unhelpful"]},
"fact_id": {"type": "integer", "description": "The fact ID to rate."},
},
"required": ["action", "fact_id"],
},
}
# ---------------------------------------------------------------------------
# Config
# ---------------------------------------------------------------------------
def _load_plugin_config() -> dict:
from hermes_constants import get_hermes_home
config_path = get_hermes_home() / "config.yaml"
if not config_path.exists():
return {}
try:
import yaml
with open(config_path) as f:
all_config = yaml.safe_load(f) or {}
return all_config.get("plugins", {}).get("hermes-memory-store", {}) or {}
except Exception:
return {}
# ---------------------------------------------------------------------------
# MemoryProvider implementation
# ---------------------------------------------------------------------------
class HolographicMemoryProvider(MemoryProvider):
"""Holographic memory with structured facts, entity resolution, and HRR retrieval."""
def __init__(self, config: dict | None = None):
self._config = config or _load_plugin_config()
self._store = None
self._retriever = None
self._min_trust = float(self._config.get("min_trust_threshold", 0.3))
@property
def name(self) -> str:
return "holographic"
def is_available(self) -> bool:
return True # SQLite is always available, numpy is optional
def save_config(self, values, hermes_home):
"""Write config to config.yaml under plugins.hermes-memory-store."""
from pathlib import Path
config_path = Path(hermes_home) / "config.yaml"
try:
import yaml
existing = {}
if config_path.exists():
with open(config_path) as f:
existing = yaml.safe_load(f) or {}
existing.setdefault("plugins", {})
existing["plugins"]["hermes-memory-store"] = values
with open(config_path, "w") as f:
yaml.dump(existing, f, default_flow_style=False)
except Exception:
pass
def get_config_schema(self):
from hermes_constants import display_hermes_home
_default_db = f"{display_hermes_home()}/memory_store.db"
return [
{"key": "db_path", "description": "SQLite database path", "default": _default_db},
{"key": "auto_extract", "description": "Auto-extract facts at session end", "default": "false", "choices": ["true", "false"]},
{"key": "default_trust", "description": "Default trust score for new facts", "default": "0.5"},
{"key": "hrr_dim", "description": "HRR vector dimensions", "default": "1024"},
]
def initialize(self, session_id: str, **kwargs) -> None:
from hermes_constants import get_hermes_home
_hermes_home = str(get_hermes_home())
_default_db = _hermes_home + "/memory_store.db"
db_path = self._config.get("db_path", _default_db)
# Expand $HERMES_HOME in user-supplied paths so config values like
# "$HERMES_HOME/memory_store.db" or "~/.hermes/memory_store.db" both
# resolve to the active profile's directory.
if isinstance(db_path, str):
db_path = db_path.replace("$HERMES_HOME", _hermes_home)
db_path = db_path.replace("${HERMES_HOME}", _hermes_home)
default_trust = float(self._config.get("default_trust", 0.5))
hrr_dim = int(self._config.get("hrr_dim", 1024))
hrr_weight = float(self._config.get("hrr_weight", 0.3))
temporal_decay = int(self._config.get("temporal_decay_half_life", 0))
self._store = MemoryStore(db_path=db_path, default_trust=default_trust, hrr_dim=hrr_dim)
self._retriever = FactRetriever(
store=self._store,
temporal_decay_half_life=temporal_decay,
hrr_weight=hrr_weight,
hrr_dim=hrr_dim,
)
self._session_id = session_id
def system_prompt_block(self) -> str:
if not self._store:
return ""
try:
total = self._store._conn.execute(
"SELECT COUNT(*) FROM facts"
).fetchone()[0]
except Exception:
total = 0
if total == 0:
return (
"# Holographic Memory\n"
"Active. Empty fact store — proactively add facts the user would expect you to remember.\n"
"Use fact_store(action='add') to store durable structured facts about people, projects, preferences, decisions.\n"
"Use fact_feedback to rate facts after using them (trains trust scores)."
)
return (
f"# Holographic Memory\n"
f"Active. {total} facts stored with entity resolution and trust scoring.\n"
f"Use fact_store to search, probe entities, reason across entities, or add facts.\n"
f"Use fact_feedback to rate facts after using them (trains trust scores)."
)
def prefetch(self, query: str, *, session_id: str = "") -> str:
if not self._retriever or not query:
return ""
try:
results = self._retriever.search(query, min_trust=self._min_trust, limit=5)
if not results:
return ""
lines = []
for r in results:
trust = r.get("trust_score", r.get("trust", 0))
lines.append(f"- [{trust:.1f}] {r.get('content', '')}")
return "## Holographic Memory\n" + "\n".join(lines)
except Exception as e:
logger.debug("Holographic prefetch failed: %s", e)
return ""
def sync_turn(self, user_content: str, assistant_content: str, *, session_id: str = "") -> None:
# Holographic memory stores explicit facts via tools, not auto-sync.
# The on_session_end hook handles auto-extraction if configured.
pass
def get_tool_schemas(self) -> List[Dict[str, Any]]:
return [FACT_STORE_SCHEMA, FACT_FEEDBACK_SCHEMA]
def handle_tool_call(self, tool_name: str, args: Dict[str, Any], **kwargs) -> str:
if tool_name == "fact_store":
return self._handle_fact_store(args)
elif tool_name == "fact_feedback":
return self._handle_fact_feedback(args)
return tool_error(f"Unknown tool: {tool_name}")
def on_session_end(self, messages: List[Dict[str, Any]]) -> None:
if not self._config.get("auto_extract", False):
return
if not self._store or not messages:
return
self._auto_extract_facts(messages)
def on_memory_write(self, action: str, target: str, content: str) -> None:
"""Mirror built-in memory writes as facts."""
if action == "add" and self._store and content:
try:
category = "user_pref" if target == "user" else "general"
self._store.add_fact(content, category=category)
except Exception as e:
logger.debug("Holographic memory_write mirror failed: %s", e)
def shutdown(self) -> None:
self._store = None
self._retriever = None
# -- Tool handlers -------------------------------------------------------
def _handle_fact_store(self, args: dict) -> str:
try:
action = args["action"]
store = self._store
retriever = self._retriever
if action == "add":
fact_id = store.add_fact(
args["content"],
category=args.get("category", "general"),
tags=args.get("tags", ""),
)
return json.dumps({"fact_id": fact_id, "status": "added"})
elif action == "search":
results = retriever.search(
args["query"],
category=args.get("category"),
min_trust=float(args.get("min_trust", self._min_trust)),
limit=int(args.get("limit", 10)),
)
return json.dumps({"results": results, "count": len(results)})
elif action == "probe":
results = retriever.probe(
args["entity"],
category=args.get("category"),
limit=int(args.get("limit", 10)),
)
return json.dumps({"results": results, "count": len(results)})
elif action == "related":
results = retriever.related(
args["entity"],
category=args.get("category"),
limit=int(args.get("limit", 10)),
)
return json.dumps({"results": results, "count": len(results)})
elif action == "reason":
entities = args.get("entities", [])
if not entities:
return tool_error("reason requires 'entities' list")
results = retriever.reason(
entities,
category=args.get("category"),
limit=int(args.get("limit", 10)),
)
return json.dumps({"results": results, "count": len(results)})
elif action == "contradict":
results = retriever.contradict(
category=args.get("category"),
limit=int(args.get("limit", 10)),
)
return json.dumps({"results": results, "count": len(results)})
elif action == "update":
updated = store.update_fact(
int(args["fact_id"]),
content=args.get("content"),
trust_delta=float(args["trust_delta"]) if "trust_delta" in args else None,
tags=args.get("tags"),
category=args.get("category"),
)
return json.dumps({"updated": updated})
elif action == "remove":
removed = store.remove_fact(int(args["fact_id"]))
return json.dumps({"removed": removed})
elif action == "list":
facts = store.list_facts(
category=args.get("category"),
min_trust=float(args.get("min_trust", 0.0)),
limit=int(args.get("limit", 10)),
)
return json.dumps({"facts": facts, "count": len(facts)})
else:
return tool_error(f"Unknown action: {action}")
except KeyError as exc:
return tool_error(f"Missing required argument: {exc}")
except Exception as exc:
return tool_error(str(exc))
def _handle_fact_feedback(self, args: dict) -> str:
try:
fact_id = int(args["fact_id"])
helpful = args["action"] == "helpful"
result = self._store.record_feedback(fact_id, helpful=helpful)
return json.dumps(result)
except KeyError as exc:
return tool_error(f"Missing required argument: {exc}")
except Exception as exc:
return tool_error(str(exc))
# -- Auto-extraction (on_session_end) ------------------------------------
def _auto_extract_facts(self, messages: list) -> None:
_PREF_PATTERNS = [
re.compile(r'\bI\s+(?:prefer|like|love|use|want|need)\s+(.+)', re.IGNORECASE),
re.compile(r'\bmy\s+(?:favorite|preferred|default)\s+\w+\s+is\s+(.+)', re.IGNORECASE),
re.compile(r'\bI\s+(?:always|never|usually)\s+(.+)', re.IGNORECASE),
]
_DECISION_PATTERNS = [
re.compile(r'\bwe\s+(?:decided|agreed|chose)\s+(?:to\s+)?(.+)', re.IGNORECASE),
re.compile(r'\bthe\s+project\s+(?:uses|needs|requires)\s+(.+)', re.IGNORECASE),
]
extracted = 0
for msg in messages:
if msg.get("role") != "user":
continue
content = msg.get("content", "")
if not isinstance(content, str) or len(content) < 10:
continue
for pattern in _PREF_PATTERNS:
if pattern.search(content):
try:
self._store.add_fact(content[:400], category="user_pref")
extracted += 1
except Exception:
pass
break
for pattern in _DECISION_PATTERNS:
if pattern.search(content):
try:
self._store.add_fact(content[:400], category="project")
extracted += 1
except Exception:
pass
break
if extracted:
logger.info("Auto-extracted %d facts from conversation", extracted)
# ---------------------------------------------------------------------------
# Plugin entry point
# ---------------------------------------------------------------------------
def register(ctx) -> None:
"""Register the holographic memory provider with the plugin system."""
config = _load_plugin_config()
provider = HolographicMemoryProvider(config=config)
ctx.register_memory_provider(provider)
|