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fix(agent): rehydrate session accumulators from SQLite on restart (#67762) #67796

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fix(agent): rehydrate session accumulators from SQLite on restart (#67762) #67796

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45 changes: 44 additions & 1 deletion agent/agent_init.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2059,7 +2059,50 @@ def _moa_reference_relay(event: str, **kwargs: Any) -> None:
agent.session_estimated_cost_usd = 0.0
agent.session_cost_status = "unknown"
agent.session_cost_source = "none"


# ── Rehydrate session accumulators from persisted state ──
# When the gateway restarts mid-session, the session row already exists
# in SQLite with the correct accumulated totals. Read them back so the
# live cost/token counters don't reset to zero on every restart.
if agent._session_db and agent.session_id:
try:
_existing = agent._session_db.get_session(agent.session_id)
if _existing:
agent.session_estimated_cost_usd = float(
_existing.get("estimated_cost_usd") or 0.0
)
agent.session_cost_status = str(
_existing.get("cost_status") or "unknown"
)
agent.session_cost_source = str(
_existing.get("cost_source") or "none"
)
agent.session_prompt_tokens = int(
_existing.get("input_tokens") or 0
)
agent.session_completion_tokens = int(
_existing.get("output_tokens") or 0
)
agent.session_total_tokens = (
agent.session_prompt_tokens + agent.session_completion_tokens
)
agent.session_input_tokens = agent.session_prompt_tokens
agent.session_output_tokens = agent.session_completion_tokens
agent.session_cache_read_tokens = int(
_existing.get("cache_read_tokens") or 0
)
agent.session_cache_write_tokens = int(
_existing.get("cache_write_tokens") or 0
)
agent.session_reasoning_tokens = int(
_existing.get("reasoning_tokens") or 0
)
agent.session_api_calls = int(
_existing.get("api_call_count") or 0
)
except Exception:
pass # fail-open: fresh counters are better than crashing

# ── Ollama num_ctx injection ──
# Ollama defaults to 2048 context regardless of the model's capabilities.
# When running against an Ollama server, detect the model's max context
Expand Down