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from collections import Counter, defaultdict
from datetime import datetime, timezone
from difflib import SequenceMatcher
from pathlib import Path
from typing import Iterable
from config import settings
from spooler.store import get_conn, get_recent_sessions, get_session_activity
def _now() -> str:
return datetime.now(timezone.utc).isoformat()
def _write_artifact(relative_path: str, payload: dict) -> None:
base = settings.openclaw_state_dir / "session_amplifier"
target = base / relative_path
target.parent.mkdir(parents=True, exist_ok=True)
import json
target.write_text(json.dumps(payload, indent=2, sort_keys=True))
def _session_transcript_files() -> dict[str, Path]:
root = settings.openclaw_agents_root
if not root.exists():
return {}
out: dict[str, Path] = {}
for agent_dir in root.iterdir():
sessions = agent_dir / "sessions"
if not sessions.exists():
continue
for path in sessions.glob("*.jsonl"):
out.setdefault(path.stem, path)
return out
def generate_session_sprawl_report(limit: int = 500, stale_days: int = 30) -> dict:
"""Return non-destructive session sprawl/archive candidates."""
conn = get_conn()
rows = conn.execute(
"""
SELECT session_id, agent_id,
MAX(COALESCE(timestamp, indexed_at)) AS last_event_at,
COUNT(*) AS event_count,
SUM(COALESCE(original_length, 0)) AS original_chars,
SUM(CASE WHEN role = 'toolResult' THEN 1 ELSE 0 END) AS tool_result_count,
SUM(CASE WHEN is_error = 1 THEN 1 ELSE 0 END) AS error_count,
MAX(entry_idx) AS last_entry_idx
FROM spooled_entries
GROUP BY session_id, agent_id
ORDER BY event_count DESC
LIMIT ?
""",
(limit,),
).fetchall()
conn.close()
files = _session_transcript_files()
candidates = []
now_ts = datetime.now(timezone.utc).timestamp()
stale_seconds = stale_days * 24 * 60 * 60
for row in rows:
rd = dict(row)
path = files.get(rd["session_id"])
size = path.stat().st_size if path and path.exists() else None
mtime = path.stat().st_mtime if path and path.exists() else None
reasons = []
if (rd.get("event_count") or 0) > 2000:
reasons.append("very_high_event_count")
if (rd.get("original_chars") or 0) > 1_000_000:
reasons.append("very_large_transcript_content")
if size and size > 5_000_000:
reasons.append("large_file")
if mtime and now_ts - mtime > stale_seconds:
reasons.append("stale_file")
if reasons:
candidates.append({
**rd,
"file_path": str(path) if path else None,
"file_size_bytes": size,
"file_mtime": datetime.fromtimestamp(mtime, timezone.utc).isoformat() if mtime else None,
"candidate_reasons": reasons,
"action": "review_then_archive_or_summarize",
})
report = {
"generated_at": _now(),
"policy": "non_destructive_candidates_only",
"stale_days": stale_days,
"sessions_scanned": len(rows),
"candidate_count": len(candidates),
"candidates": candidates[:200],
}
_write_artifact("reports/session-sprawl-latest.json", report)
return report
def generate_context_pressure_report(limit: int = 200) -> dict:
"""Find transcripts likely to bloat context or retrieval."""
conn = get_conn()
rows = conn.execute(
"""
SELECT session_id, agent_id,
COUNT(*) AS event_count,
SUM(COALESCE(original_length, 0)) AS original_chars,
SUM(CASE WHEN role = 'toolResult' THEN COALESCE(original_length, 0) ELSE 0 END) AS tool_chars,
SUM(CASE WHEN role = 'assistant' THEN LENGTH(COALESCE(clean_text, '')) ELSE 0 END) AS assistant_chars,
SUM(CASE WHEN role = 'toolResult' AND COALESCE(original_length, 0) > 5000 THEN 1 ELSE 0 END) AS giant_tool_results,
SUM(CASE WHEN role = 'toolResult' THEN 1 ELSE 0 END) AS tool_result_count
FROM spooled_entries
GROUP BY session_id, agent_id
HAVING original_chars > 100000 OR giant_tool_results > 0 OR event_count > 1000
ORDER BY original_chars DESC
LIMIT ?
""",
(limit,),
).fetchall()
conn.close()
sessions = []
for row in rows:
rd = dict(row)
flags = []
if (rd.get("giant_tool_results") or 0) > 0:
flags.append("giant_tool_results")
if (rd.get("event_count") or 0) > 1000:
flags.append("long_running_session")
if (rd.get("tool_chars") or 0) > max(1, (rd.get("assistant_chars") or 0)) * 3:
flags.append("tool_output_dominates")
rd["flags"] = flags
rd["recommendation"] = "summarize_before_reuse" if flags else "monitor"
sessions.append(rd)
report = {
"generated_at": _now(),
"sessions_scanned": len(rows),
"pressure_sessions": sessions,
}
_write_artifact("reports/context-pressure-latest.json", report)
return report
def generate_failure_mode_report(limit: int = 200) -> dict:
"""Mine repeated operational failure modes from spooled transcript rows."""
conn = get_conn()
rows = conn.execute(
"""
SELECT session_id, agent_id, role, tool_name, clean_text, preview, is_error, timestamp, indexed_at
FROM spooled_entries
WHERE is_error = 1
OR LOWER(COALESCE(clean_text, '')) LIKE '%permission%'
OR LOWER(COALESCE(clean_text, '')) LIKE '%approve%'
OR LOWER(COALESCE(clean_text, '')) LIKE '%timeout%'
OR LOWER(COALESCE(clean_text, '')) LIKE '%failover%'
OR LOWER(COALESCE(clean_text, '')) LIKE '%fallback%'
OR LOWER(COALESCE(clean_text, '')) LIKE '%no session found%'
OR LOWER(COALESCE(clean_text, '')) LIKE '%context limit%'
ORDER BY COALESCE(timestamp, indexed_at) DESC
LIMIT 5000
"""
).fetchall()
conn.close()
buckets: dict[str, list[dict]] = defaultdict(list)
tool_errors: Counter[str] = Counter()
for r in rows:
rd = dict(r)
text = (rd.get("clean_text") or rd.get("preview") or "").lower()
key = None
if rd.get("is_error"):
tool = rd.get("tool_name") or "unknown_tool"
key = f"tool_error:{tool}"
tool_errors[tool] += 1
else:
key = _classify_failure_text(text)
if key:
buckets[key].append({
"session_id": rd.get("session_id"),
"agent_id": rd.get("agent_id"),
"tool_name": rd.get("tool_name"),
"timestamp": rd.get("timestamp") or rd.get("indexed_at"),
"preview": (rd.get("preview") or rd.get("clean_text") or "")[:240],
})
patterns = []
for key, hits in sorted(buckets.items(), key=lambda kv: len(kv[1]), reverse=True):
patterns.append({
"pattern": key,
"count": len(hits),
"sessions": sorted({h["session_id"] for h in hits if h.get("session_id")})[:20],
"examples": hits[:10],
"recommendation": _failure_recommendation(key),
})
report = {
"generated_at": _now(),
"patterns": patterns[:limit],
"top_error_tools": [{"tool": tool, "count": count} for tool, count in tool_errors.most_common(25)],
}
_write_artifact("reports/failure-modes-latest.json", report)
return report
def _failure_recommendation(pattern: str) -> str:
if pattern.startswith("tool_error:"):
return "inspect repeated tool failures and add guardrails or repair wrapper"
if pattern == "model_failover_or_fallback":
return "audit model routing/fallback logs and expose failover in user-visible status"
if pattern == "approval_or_permission_stall":
return "improve approval prompts and stale approval recovery"
if pattern == "timeout":
return "identify timeout source and add bounded wait/retry or progress heartbeat"
if pattern == "stale_session_reference":
return "repair session lifecycle references and stale session cleanup"
if pattern == "context_limit":
return "summarize/archive before continuing session"
return "review clustered examples"
def _classify_failure_text(text: str) -> str | None:
"""Classify failure text while avoiding overly broad buckets.
The first intelligence pass bucketed any mention of "permission" or
"approve" as an approval stall. That was useful for discovery but too noisy
for ongoing degradation detection. Keep the public pattern names stable, but
require stronger textual evidence.
"""
lowered = text.lower()
if "failover" in lowered or "fallback" in lowered:
return "model_failover_or_fallback"
if any(phrase in lowered for phrase in (
"approval pending",
"approval required",
"approve this",
"permission denied",
"requires permission",
"insufficient permission",
"not permitted",
)):
return "approval_or_permission_stall"
if any(phrase in lowered for phrase in (
"timed out",
"timeout",
"deadline exceeded",
"context deadline",
)):
return "timeout"
if "no session found" in lowered or "unknown session" in lowered:
return "stale_session_reference"
if "context limit" in lowered or "context length" in lowered:
return "context_limit"
return None
def generate_active_sessions_bulk(limit: int = 40, activity_limit: int = 200) -> dict:
"""Bulk endpoint for visual clients: recent sessions plus normalized activity."""
sessions = get_recent_sessions(limit)
activity = {
row["session_id"]: get_session_activity(row["session_id"], activity_limit)
for row in sessions
}
return {
"generated_at": _now(),
"sessions": sessions,
"activity": activity,
}
def generate_intelligence_bundle(kind: str = "light") -> dict:
"""Run the deterministic intelligence suite and write a compact bundle."""
sprawl_limit = 1000 if kind == "deep" else 300
context_limit = 500 if kind == "deep" else 150
failure_limit = 500 if kind == "deep" else 150
bundle = {
"generated_at": _now(),
"kind": kind,
"session_sprawl": generate_session_sprawl_report(limit=sprawl_limit),
"context_pressure": generate_context_pressure_report(limit=context_limit),
"failure_modes": generate_failure_mode_report(limit=failure_limit),
}
_write_artifact(f"reports/intelligence-{kind}-latest.json", bundle)
return bundle
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