diff --git a/backend/apps/agents/agent_manager.py b/backend/apps/agents/agent_manager.py
index 72bba296..7c342291 100644
--- a/backend/apps/agents/agent_manager.py
+++ b/backend/apps/agents/agent_manager.py
@@ -53,6 +53,7 @@ from backend.apps.agents.manager.prompt.tool_catalog import (
from backend.apps.agents.core.aux_llm import _safe_resp_text, clean_short_label
from backend.apps.agents.manager.session.history_compaction import (
_build_history_prefix,
+ _estimate_post_compact_input,
_get_branch_messages,
_truncate_large_tool_result,
)
@@ -377,6 +378,35 @@ class AgentManager:
session.compacted_through_msg_id = last_id
return True
+ async def _emit_context_update(
+ self,
+ session_id: str,
+ session: AgentSession,
+ *,
+ input_tokens: int | None = None,
+ output_tokens: int | None = None,
+ cache_read_tokens: int = 0,
+ cache_read_pct: float = 0.0,
+ ) -> None:
+ if input_tokens is None:
+ input_tokens = int(session.tokens.get("input", 0) or 0)
+ if output_tokens is None:
+ output_tokens = int(session.tokens.get("output", 0) or 0)
+ session.tokens["input"] = input_tokens
+ session.tokens["output"] = output_tokens
+ ctx_window = max(1, getattr(session, "context_window", 0) or 200_000)
+ await ws_manager.send_to_session(session_id, "agent:context_update", {
+ "session_id": session_id,
+ "input_tokens": input_tokens,
+ "output_tokens": output_tokens,
+ "cache_read_tokens": cache_read_tokens,
+ "cache_read_pct": cache_read_pct,
+ "ctx_used_pct": round(input_tokens / ctx_window, 4) if input_tokens else 0.0,
+ "context_window": ctx_window,
+ "framework_overhead_tokens": session.framework_overhead_tokens,
+ "active_mcps": list(session.active_mcps),
+ })
+
def _build_prompt_content(self, prompt: str, images: list | None = None, context_paths: list | None = None, forced_tools: list[str] | None = None, attached_skills: list | None = None, api_type: str = "anthropic", model: str = ""):
return _build_prompt_content(prompt, images, context_paths, forced_tools, attached_skills, api_type, model)
@@ -1813,11 +1843,18 @@ class AgentManager:
# zero latency on the user's turn.
try:
if self._maybe_compact(session):
+ new_input = _estimate_post_compact_input(session)
await ws_manager.send_to_session(session_id, "agent:context_status", {
"session_id": session_id,
"reason": "compacted",
"compacted_through_msg_id": session.compacted_through_msg_id,
})
+ await self._emit_context_update(
+ session_id,
+ session,
+ input_tokens=new_input,
+ output_tokens=session.tokens.get("output", 0),
+ )
except Exception:
logger.exception("compaction failed; proceeding without it")
diff --git a/backend/apps/agents/agents.py b/backend/apps/agents/agents.py
index f32e05f5..60fbacf2 100644
--- a/backend/apps/agents/agents.py
+++ b/backend/apps/agents/agents.py
@@ -2,6 +2,7 @@ from backend.config.Apps import SubApp
from backend.apps.agents.agent_manager import agent_manager
from backend.apps.agents.core.ws_manager import ws_manager
from backend.apps.agents.core.models import AgentConfig, ApprovalResponse
+from backend.apps.agents.manager.session.history_compaction import _estimate_post_compact_input
from contextlib import asynccontextmanager
from fastapi import WebSocket, WebSocketDisconnect, HTTPException
from fastapi.responses import JSONResponse
@@ -304,6 +305,12 @@ async def compact_session(session_id: str):
"reason": "compacted",
"compacted_through_msg_id": session.compacted_through_msg_id,
})
+ await agent_manager._emit_context_update(
+ session_id,
+ session,
+ input_tokens=_estimate_post_compact_input(session),
+ output_tokens=session.tokens.get("output", 0),
+ )
except Exception:
pass
return {"ok": True, "compacted": fired}
@@ -329,6 +336,12 @@ async def clear_session(session_id: str):
"status": session.status,
"session": session.model_dump(mode="json"),
})
+ await agent_manager._emit_context_update(
+ session_id,
+ session,
+ input_tokens=0,
+ output_tokens=0,
+ )
except Exception:
pass
return {"ok": True}
@@ -817,4 +830,3 @@ async def subscriptions_disconnect(body: dict):
return {"ok": False, "error": "Connection not found"}
except Exception as e:
raise HTTPException(status_code=500, detail=str(e))
-
diff --git a/backend/apps/agents/manager/session/history_compaction.py b/backend/apps/agents/manager/session/history_compaction.py
index f644e2e6..10219c42 100644
--- a/backend/apps/agents/manager/session/history_compaction.py
+++ b/backend/apps/agents/manager/session/history_compaction.py
@@ -71,6 +71,39 @@ def _build_history_prefix(messages, cutoff_msg_id: str | None = None) -> str:
return "\n" + "\n".join(lines) + "\n"
+def _estimate_post_compact_input(session) -> int:
+ """Return a conservative token estimate after compaction trims history."""
+ try:
+ messages = _get_branch_messages(session)
+ cutoff_msg_id = getattr(session, "compacted_through_msg_id", None)
+ if cutoff_msg_id:
+ skip_idx = next(
+ (i for i, m in enumerate(messages) if m.id == cutoff_msg_id),
+ -1,
+ )
+ if skip_idx >= 0:
+ messages = messages[skip_idx + 1:]
+ surviving_chars = 0
+ for message in messages:
+ if getattr(message, "hidden", False):
+ continue
+ content = getattr(message, "content", "")
+ if isinstance(content, str):
+ serialized = content
+ else:
+ try:
+ serialized = json.dumps(content, ensure_ascii=False)
+ except Exception:
+ serialized = str(content)
+ surviving_chars += len(serialized)
+ framework_overhead = int(getattr(session, "framework_overhead_tokens", 0) or 0)
+ summary_overhead = 200 if cutoff_msg_id else 0
+ return max(0, framework_overhead + summary_overhead + (surviving_chars // 4))
+ except Exception:
+ logger.debug("post-compact token estimate failed", exc_info=True)
+ return max(0, int(getattr(session, "framework_overhead_tokens", 0) or 0))
+
+
def _truncate_large_tool_result(content: object, session_id: str, msg_id: str, max_bytes: int = 50_000) -> tuple[object, str | None]:
"""Spill a large tool_result body to disk, return a truncated
inline replacement plus the on-disk path (or None if untouched).
diff --git a/backend/tests/test_v2_invariants.py b/backend/tests/test_v2_invariants.py
index 0cfd2198..5ca346c8 100644
--- a/backend/tests/test_v2_invariants.py
+++ b/backend/tests/test_v2_invariants.py
@@ -784,6 +784,66 @@ def test_compact_threshold_default():
assert s.context_window == 200_000
+def test_post_compact_estimate_excludes_compacted_messages():
+ from backend.apps.agents.core.models import AgentSession, Message
+ from backend.apps.agents.manager.session.history_compaction import (
+ _estimate_post_compact_input,
+ )
+
+ messages = [
+ Message(id=f"m{i}", role="user", content=("old" * 1000 if i < 6 else "keep"))
+ for i in range(8)
+ ]
+ s = AgentSession(id="x", name="t", model="sonnet", mode="agent")
+ s.messages = messages
+ s.compacted_through_msg_id = "m5"
+ s.framework_overhead_tokens = 100
+
+ assert _estimate_post_compact_input(s) == 100 + 200 + (len("keepkeep") // 4)
+
+
+@pytest.mark.asyncio
+async def test_context_update_emitter_refreshes_session_tokens(monkeypatch):
+ import backend.apps.agents.agent_manager as agent_manager_module
+ from backend.apps.agents.agent_manager import AgentManager
+ from backend.apps.agents.core.models import AgentSession
+
+ sent = []
+
+ async def fake_send_to_session(session_id, event, payload):
+ sent.append((session_id, event, payload))
+
+ monkeypatch.setattr(
+ agent_manager_module.ws_manager,
+ "send_to_session",
+ fake_send_to_session,
+ )
+ s = AgentSession(id="x", name="t", model="sonnet", mode="agent")
+ s.context_window = 1_000
+ s.tokens = {"input": 900, "output": 7}
+ s.framework_overhead_tokens = 42
+ s.active_mcps = ["github"]
+
+ await AgentManager()._emit_context_update("x", s, input_tokens=250)
+
+ assert s.tokens == {"input": 250, "output": 7}
+ assert sent == [(
+ "x",
+ "agent:context_update",
+ {
+ "session_id": "x",
+ "input_tokens": 250,
+ "output_tokens": 7,
+ "cache_read_tokens": 0,
+ "cache_read_pct": 0.0,
+ "ctx_used_pct": 0.25,
+ "context_window": 1_000,
+ "framework_overhead_tokens": 42,
+ "active_mcps": ["github"],
+ },
+ )]
+
+
# ===========================================================================
# Group L, Sentence-case display (the parseMcpToolName fix)
# ===========================================================================
diff --git a/electron/package-lock.json b/electron/package-lock.json
index 9a47efdc..96e0bad9 100644
--- a/electron/package-lock.json
+++ b/electron/package-lock.json
@@ -1,12 +1,12 @@
{
"name": "openswarm",
- "version": "1.1.70",
+ "version": "1.2.77",
"lockfileVersion": 3,
"requires": true,
"packages": {
"": {
"name": "openswarm",
- "version": "1.1.70",
+ "version": "1.2.77",
"hasInstallScript": true,
"dependencies": {
"electron-updater": "6.8.3",
@@ -567,6 +567,7 @@
"integrity": "sha512-fgFx7Hfoq60ytK2c7DhnF8jIvzYgOMxfugjLOSMHjLIPgenqa7S7oaagATUq99mV6IYvN2tRmC0wnTYX6iPbMw==",
"dev": true,
"license": "MIT",
+ "peer": true,
"dependencies": {
"fast-deep-equal": "^3.1.1",
"fast-json-stable-stringify": "^2.0.0",
@@ -1434,6 +1435,7 @@
"integrity": "sha512-glMJgnTreo8CFINujtAhCgN96QAqApDMZ8Vl1r8f0QT8QprvC1UCltV4CcWj20YoIyLZx6IUskaJZ0NV8fokcg==",
"dev": true,
"license": "MIT",
+ "peer": true,
"dependencies": {
"app-builder-lib": "26.8.1",
"builder-util": "26.8.1",
@@ -1582,6 +1584,7 @@
"integrity": "sha512-o288fIdgPLHA76eDrFADHPoo7VyGkDCYbLV1GzndaMSAVBoZrGvM9m2IehdcVMzdAZJ2eV9bgyissQXHv5tGzA==",
"dev": true,
"license": "MIT",
+ "peer": true,
"dependencies": {
"app-builder-lib": "26.8.1",
"builder-util": "26.8.1",
@@ -2885,6 +2888,7 @@
"integrity": "sha512-QP88BAKvMam/3NxH6vj2o21R6MjxZUAd6nlwAS/pnGvN9IVLocLHxGYIzFhg6fUQ+5th6P4dv4eW9jX3DSIj7A==",
"dev": true,
"license": "MIT",
+ "peer": true,
"engines": {
"node": ">=12"
},
diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index 92d511d7..8e97f035 100644
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -84,6 +84,7 @@
"integrity": "sha512-CGOfOJqWjg2qW/Mb6zNsDm+u5vFQ8DxXfbM09z69p5Z6+mE1ikP2jUXw+j42Pf1XTYED2Rni5f95npYeuwMDQA==",
"dev": true,
"license": "MIT",
+ "peer": true,
"dependencies": {
"@babel/code-frame": "^7.29.0",
"@babel/generator": "^7.29.0",
@@ -1964,6 +1965,7 @@
"resolved": "https://registry.npmjs.org/@emotion/react/-/react-11.14.0.tgz",
"integrity": "sha512-O000MLDBDdk/EohJPFUqvnp4qnHeYkVP5B0xEG0D/L7cOKP9kefu2DXn8dj74cQfsEzUqh+sr1RzFqiL1o+PpA==",
"license": "MIT",
+ "peer": true,
"dependencies": {
"@babel/runtime": "^7.18.3",
"@emotion/babel-plugin": "^11.13.5",
@@ -2007,6 +2009,7 @@
"resolved": "https://registry.npmjs.org/@emotion/styled/-/styled-11.14.1.tgz",
"integrity": "sha512-qEEJt42DuToa3gurlH4Qqc1kVpNq8wO8cJtDzU46TjlzWjDlsVyevtYCRijVq3SrHsROS+gVQ8Fnea108GnKzw==",
"license": "MIT",
+ "peer": true,
"dependencies": {
"@babel/runtime": "^7.18.3",
"@emotion/babel-plugin": "^11.13.5",
@@ -2242,6 +2245,7 @@
"resolved": "https://registry.npmjs.org/@mui/material/-/material-7.3.10.tgz",
"integrity": "sha512-cHvGOk2ZEfbQt3LnGe0ZKd/ETs9gsUpkW66DCO+GSjMZhpdKU4XsuIr7zJ/B/2XaN8ihxuzHfYAR4zPtCN4RYg==",
"license": "MIT",
+ "peer": true,
"dependencies": {
"@babel/runtime": "^7.28.6",
"@mui/core-downloads-tracker": "^7.3.10",
@@ -3374,6 +3378,7 @@
"resolved": "https://registry.npmjs.org/@types/react/-/react-18.3.28.tgz",
"integrity": "sha512-z9VXpC7MWrhfWipitjNdgCauoMLRdIILQsAEV+ZesIzBq/oUlxk0m3ApZuMFCXdnS4U7KrI+l3WRUEGQ8K1QKw==",
"license": "MIT",
+ "peer": true,
"dependencies": {
"@types/prop-types": "*",
"csstype": "^3.2.2"
@@ -3770,6 +3775,7 @@
"integrity": "sha512-UVJyE9MttOsBQIDKw1skb9nAwQuR5wuGD3+82K6JgJlm/Y+KI92oNsMNGZCYdDsVtRHSak0pcV5Dno5+4jh9sw==",
"dev": true,
"license": "MIT",
+ "peer": true,
"bin": {
"acorn": "bin/acorn"
},
@@ -3809,6 +3815,7 @@
"integrity": "sha512-PlXPeEWMXMZ7sPYOHqmDyCJzcfNrUr3fGNKtezX14ykXOEIvyK81d+qydx89KY5O71FKMPaQ2vBfBFI5NHR63A==",
"dev": true,
"license": "MIT",
+ "peer": true,
"dependencies": {
"fast-deep-equal": "^3.1.3",
"fast-uri": "^3.0.1",
@@ -4137,6 +4144,7 @@
}
],
"license": "MIT",
+ "peer": true,
"dependencies": {
"baseline-browser-mapping": "^2.10.12",
"caniuse-lite": "^1.0.30001782",
@@ -8184,6 +8192,7 @@
"integrity": "sha512-QP88BAKvMam/3NxH6vj2o21R6MjxZUAd6nlwAS/pnGvN9IVLocLHxGYIzFhg6fUQ+5th6P4dv4eW9jX3DSIj7A==",
"dev": true,
"license": "MIT",
+ "peer": true,
"engines": {
"node": ">=12"
},
@@ -8240,6 +8249,7 @@
}
],
"license": "MIT",
+ "peer": true,
"dependencies": {
"nanoid": "^3.3.11",
"picocolors": "^1.1.1",
@@ -8458,6 +8468,7 @@
"resolved": "https://registry.npmjs.org/react/-/react-18.3.1.tgz",
"integrity": "sha512-wS+hAgJShR0KhEvPJArfuPVN1+Hz1t0Y6n5jLrGQbkb4urgPE/0Rve+1kMB1v/oWgHgm4WIcV+i7F2pTVj+2iQ==",
"license": "MIT",
+ "peer": true,
"dependencies": {
"loose-envify": "^1.1.0"
},
@@ -8470,6 +8481,7 @@
"resolved": "https://registry.npmjs.org/react-dom/-/react-dom-18.3.1.tgz",
"integrity": "sha512-5m4nQKp+rZRb09LNH59GM4BxTh9251/ylbKIbpe7TpGxfJ+9kv6BLkLBXIjjspbgbnIBNqlI23tRnTWT0snUIw==",
"license": "MIT",
+ "peer": true,
"dependencies": {
"loose-envify": "^1.1.0",
"scheduler": "^0.23.2"
@@ -8516,6 +8528,7 @@
"resolved": "https://registry.npmjs.org/react-redux/-/react-redux-9.2.0.tgz",
"integrity": "sha512-ROY9fvHhwOD9ySfrF0wmvu//bKCQ6AeZZq1nJNtbDC+kk5DuSuNX/n6YWYF/SYy7bSba4D4FSz8DJeKY/S/r+g==",
"license": "MIT",
+ "peer": true,
"dependencies": {
"@types/use-sync-external-store": "^0.0.6",
"use-sync-external-store": "^1.4.0"
@@ -8654,7 +8667,8 @@
"version": "5.0.1",
"resolved": "https://registry.npmjs.org/redux/-/redux-5.0.1.tgz",
"integrity": "sha512-M9/ELqF6fy8FwmkpnF0S3YKOqMyoWJ4+CS5Efg2ct3oY9daQvd/Pc71FpGZsVsbl3Cpb+IIcjBDUnnyBdQbq4w==",
- "license": "MIT"
+ "license": "MIT",
+ "peer": true
},
"node_modules/redux-thunk": {
"version": "3.1.0",
@@ -8966,6 +8980,7 @@
"integrity": "sha512-kgW13M54DUB7IsIRM5LvJkNlpH+WhMpooUcaWGFARkF1Tc82v9mIWkCbCYf+MBvpIUBSeSOTilpZjEPr2VYE6Q==",
"dev": true,
"license": "MIT",
+ "peer": true,
"dependencies": {
"chokidar": "^4.0.0",
"immutable": "^5.1.5",
@@ -10069,6 +10084,7 @@
"integrity": "sha512-wGN3qcrBQIFmQ/c0AiOAQBvrZ5lmY8vbbMv4Mxfgzqd/B6+9pXtLo73WuS1dSGXM5QYY3hZnIbvx+K1xxe6FyA==",
"dev": true,
"license": "MIT",
+ "peer": true,
"dependencies": {
"@types/eslint-scope": "^3.7.7",
"@types/estree": "^1.0.8",
@@ -10117,6 +10133,7 @@
"integrity": "sha512-pIDJHIEI9LR0yxHXQ+Qh95k2EvXpWzZ5l+d+jIo+RdSm9MiHfzazIxwwni/p7+x4eJZuvG1AJwgC4TNQ7NRgsg==",
"dev": true,
"license": "MIT",
+ "peer": true,
"dependencies": {
"@discoveryjs/json-ext": "^0.5.0",
"@webpack-cli/configtest": "^2.1.1",
diff --git a/frontend/src/app/pages/AgentChat/AgentChat.tsx b/frontend/src/app/pages/AgentChat/AgentChat.tsx
index 5fc18742..dc83dcc2 100644
--- a/frontend/src/app/pages/AgentChat/AgentChat.tsx
+++ b/frontend/src/app/pages/AgentChat/AgentChat.tsx
@@ -1034,42 +1034,17 @@ const AgentChat: React.FC = ({ sessionId: sessionIdProp, onClose
);
})()}
{(() => {
- const liveWindow = session.context_window || contextEstimate.limit || 200_000;
- const liveInput = session.tokens?.input ?? 0;
- const pct = liveInput > 0
- ? Math.min(1, liveInput / Math.max(1, liveWindow))
- : (contextEstimate.used / Math.max(1, liveWindow));
const mcpCount = session.active_mcps?.length ?? 0;
- // Quiet until it matters: hide the memory meter until the chat is filling up,
- // and hide the tool count unless tools are actually connected.
- const showMemory = pct >= 0.60;
- const showTools = mcpCount > 0;
- if (!showMemory && !showTools) return null;
- const pctTxt = `${Math.round(pct * 100)}%`;
- const memColor = pct >= 0.85 ? '#ef4444' : '#f59e0b';
- const tip = [
- showMemory ? `Memory ${pctTxt} full. As the chat fills up, the oldest messages start dropping out.` : null,
- showTools ? `${mcpCount} tool${mcpCount === 1 ? '' : 's'} connected.` : null,
- ].filter(Boolean).join('\n');
+ if (mcpCount === 0) return null;
return (
- {showMemory && (
-
- Memory {pctTxt} full
-
- )}
- {showMemory && showTools && (
- ยท
- )}
- {showTools && (
-
- {mcpCount} tool{mcpCount === 1 ? '' : 's'}
-
- )}
+
+ {mcpCount} tool{mcpCount === 1 ? '' : 's'}
+
);
})()}
diff --git a/frontend/src/app/pages/Dashboard/cards/AgentCard.tsx b/frontend/src/app/pages/Dashboard/cards/AgentCard.tsx
index a9a383db..4e518672 100644
--- a/frontend/src/app/pages/Dashboard/cards/AgentCard.tsx
+++ b/frontend/src/app/pages/Dashboard/cards/AgentCard.tsx
@@ -809,9 +809,6 @@ const AgentCard: React.FC = ({
{friendlyModelLabel}
-
- {session.mode}
-