docs: upstream alignment playbook — forkless invariant, shim ledger, upgrade contract

Maintainer signals (native yoga next release, 2x layout, opencode's
100-cap was a legacy perf workaround): what changes for us (WASM ratchet
dies), what doesn't (the 65k handle table still makes windowing
load-bearing at 3000 rows), the boundary/ shim ledger with
delete-on-upstream-fix criteria, and the per-release upgrade playbook
that uses the bench suite as the acceptance contract.

Dockerfile

@@ -1,12 +1,14 @@
 FROM ghcr.io/astral-sh/uv:0.11.6-python3.13-trixie@sha256:b3c543b6c4f23a5f2df22866bd7857e5d304b67a564f4feab6ac22044dde719b AS uv_source
-# Node 22 LTS source stage. Debian trixie's bundled nodejs is pinned to 20.x
-# which reached EOL in April 2026 — we copy node + npm + corepack from the
-# upstream node:22 image instead so we can stay on a supported LTS without
-# waiting for Debian 14 (forky, ~mid-2027).  Bookworm-based slim image used
-# so the produced binary links against glibc 2.36, which runs cleanly on
-# our Debian 13 (trixie, glibc 2.41) runtime.  Bumping to a new Node major
-# is a one-line ARG change; see #4977.
-FROM node:22-bookworm-slim@sha256:7af03b14a13c8cdd38e45058fd957bf00a72bbe17feac43b1c15a689c029c732 AS node_source
+# Node 26 source stage. Debian trixie's bundled nodejs is pinned to 20.x
+# (EOL April 2026), so we copy node + npm + corepack from the upstream node:26
+# image instead.  Node 26 (Current; LTS promotion ~Oct 2026) is REQUIRED by the
+# native OpenTUI TUI engine, which loads its renderer via the experimental
+# `node:ffi` API that only exists on Node 26.3+ (the Ink engine + web build run
+# on it too).  Bookworm-based slim image used so the produced binary links
+# against glibc 2.36, which runs cleanly on our Debian 13 (trixie, glibc 2.41)
+# runtime.  The pinned tag ships v26.3.0.  Bumping Node is a one-line change here.
+# NOTE: verify the full image build + Ink/web/Playwright on Node 26 in CI.
+FROM node:26-bookworm-slim@sha256:79723b41edbedf595f62e943a9f8b0ba9af5b1e61045c5f8f59c2c02c1212a16 AS node_source
 FROM debian:13.4
 
 # Disable Python stdout buffering to ensure logs are printed immediately
@@ -90,7 +92,7 @@ RUN useradd -u 10000 -m -d /opt/data hermes
 
 COPY --chmod=0755 --from=uv_source /usr/local/bin/uv /usr/local/bin/uvx /usr/local/bin/
 
-# Node 22 LTS: copy the node binary plus the bundled npm + corepack JS
+# Node 26: copy the node binary plus the bundled npm + corepack JS
 # installs from the upstream image.  npm and npx are recreated as symlinks
 # because they're symlinks in the source image (and need to live on PATH).
 # See node_source stage at the top of the file for the version-bump
@@ -119,7 +121,7 @@ COPY ui-tui/packages/hermes-ink/ ui-tui/packages/hermes-ink/
 
 # `npm_config_install_links=false` forces npm to install `file:` deps as
 # symlinks instead of copies.  This is the default since npm 10+, which is
-# what the image ships now (via the node:22 source stage).  We set it
+# what the image ships now (via the node:26 source stage).  We set it
 # explicitly anyway as defense-in-depth: the previous Debian-bundled npm
 # 9.x defaulted to install-as-copy, which produced a hidden
 # node_modules/.package-lock.json that permanently disagreed with the root
@@ -174,8 +176,15 @@ RUN uv sync --frozen --no-install-project --extra all --extra messaging --extra
 COPY --chown=hermes:hermes . .
 
 # Build browser dashboard and terminal UI assets.
+# ui-opentui is the opt-in native OpenTUI engine (HERMES_TUI_ENGINE=opentui;
+# default stays Ink). .dockerignore strips its node_modules/dist, so install +
+# esbuild-build it here → dist/main.js, then prune devDeps (esbuild/babel/vitest);
+# the runtime only needs the prod deps (the external @opentui/core + its native
+# blob — the bundle inlines solid/effect). Build needs Node 26.3 (node:ffi floor),
+# which this image now ships. (CI must verify the full image build on Node 26.)
 RUN cd web && npm run build && \
-    cd ../ui-tui && npm run build
+    cd ../ui-tui && npm run build && \
+    cd ../ui-opentui && npm install --no-audit --no-fund && npm run build && npm prune --omit=dev
 
 # ---------- Permissions ----------
 # Make install dir world-readable so any HERMES_UID can read it at runtime.

README.md

@@ -105,6 +105,8 @@ You can still bring your own keys per-tool whenever you want — the gateway is
 
 Hermes has two entry points: start the terminal UI with `hermes`, or run the gateway and talk to it from Telegram, Discord, Slack, WhatsApp, Signal, or Email. Once you're in a conversation, many slash commands are shared across both interfaces.
 
+> **TUI engine:** On supported hosts (Linux/macOS with Node 26.3+), the terminal UI defaults to the native **OpenTUI** engine, which the installer provisions for you. The legacy **Ink** engine remains the fallback — it's used automatically on Windows, Termux, or when the native engine can't run, and you can select it explicitly with `HERMES_TUI_ENGINE=ink hermes`. Ink is not going away; it's the kept fallback.
+
 | Action                         | CLI                                           | Messaging platforms                                                              |
 | ------------------------------ | --------------------------------------------- | -------------------------------------------------------------------------------- |
 | Start chatting                 | `hermes`                                      | Run `hermes gateway setup` + `hermes gateway start`, then send the bot a message |

agent/account_usage.py

@@ -242,6 +242,17 @@ def nous_credits_lines(*, markdown: bool = False, timeout: float = 10.0) -> list
     renders from that fixture instead of the real portal (so the block + gauge are
     testable without a live account). Throwaway scaffolding.
     """
+    snapshot = _fetch_nous_credits_snapshot(timeout=timeout)
+    return render_account_usage_lines(snapshot, markdown=markdown)
+
+
+def _fetch_nous_credits_snapshot(timeout: float = 10.0) -> Optional[AccountUsageSnapshot]:
+    """Auth-gate + portal fetch + snapshot build for the Nous credits block.
+
+    Shared by ``nous_credits_lines`` (full block) and
+    ``nous_credits_compact_line`` (one-liner). Honors the
+    HERMES_DEV_CREDITS_FIXTURE dev override. Fail-open → None.
+    """
     # Dev fixture short-circuit — render /usage from the injected state, no portal.
     try:
         from agent.credits_tracker import dev_fixture_credits_state
@@ -250,17 +261,16 @@ def nous_credits_lines(*, markdown: bool = False, timeout: float = 10.0) -> list
     except Exception:
         fixture = None
     if fixture is not None:
-        snapshot = _snapshot_from_credits_state(fixture)
-        return render_account_usage_lines(snapshot, markdown=markdown)
+        return _snapshot_from_credits_state(fixture)
 
     try:
         from hermes_cli.auth import get_provider_auth_state
 
         tok = (get_provider_auth_state("nous") or {}).get("access_token")
         if not (isinstance(tok, str) and tok.strip()):
-            return []
+            return None
     except Exception:
-        return []
+        return None
     try:
         import concurrent.futures
 
@@ -270,13 +280,36 @@ def nous_credits_lines(*, markdown: bool = False, timeout: float = 10.0) -> list
             account = pool.submit(
                 get_nous_portal_account_info, force_fresh=True
             ).result(timeout=timeout)
-        snapshot = build_nous_credits_snapshot(account)
-        return render_account_usage_lines(snapshot, markdown=markdown)
+        return build_nous_credits_snapshot(account)
     except Exception:
         # Fail-open (caller shows nothing), but leave a breadcrumb so a dead
         # /usage credits block is diagnosable in agent.log without a dev flag.
         logger.debug("credits ▸ /usage portal fetch/render failed (fail-open)", exc_info=True)
-        return []
+        return None
+
+
+def nous_credits_compact_line(*, timeout: float = 10.0) -> Optional[str]:
+    """One-line Nous credits summary for the compact /usage view, or None.
+
+    Condenses the snapshot's own detail strings (stable, locally-built
+    formats) into ``Nous credits (Plan): Total usable: $X · Renews: …``.
+    Same gating/fail-open semantics as ``nous_credits_lines``.
+    """
+    snap = _fetch_nous_credits_snapshot(timeout=timeout)
+    if snap is None or not snap.available:
+        return None
+    picked = [
+        d for d in snap.details
+        if d.startswith(("Total usable:", "Renews:", "Status:"))
+    ]
+    if not picked:
+        picked = [d for d in snap.details if not d.startswith("Manage / top up:")][:2]
+    if not picked:
+        return None
+    title = snap.title
+    if snap.plan:
+        title += f" ({snap.plan})"
+    return f"{title}: " + " · ".join(picked)
 
 
 def _snapshot_from_credits_state(state) -> Optional[AccountUsageSnapshot]:

agent/agent_init.py

@@ -1620,6 +1620,12 @@ def init_agent(
     agent.session_cache_write_tokens = 0
     agent.session_reasoning_tokens = 0
     agent.session_estimated_cost_usd = 0.0
+    # Provider-REPORTED cost only (e.g. OpenRouter usage.cost). None means
+    # "nothing reported" — distinct from a real $0.00.
+    agent.session_actual_cost_usd = None
+    # Per-model session usage rows for /usage: {model: {calls, input, output,
+    # cache_read, cache_write, cost_usd|None}}.
+    agent.session_model_usage = {}
     agent.session_cost_status = "unknown"
     agent.session_cost_source = "none"
     

agent/conversation_loop.py

@@ -57,7 +57,11 @@ from agent.process_bootstrap import _install_safe_stdio
 from agent.prompt_caching import apply_anthropic_cache_control
 from agent.retry_utils import jittered_backoff
 from agent.trajectory import has_incomplete_scratchpad
-from agent.usage_pricing import estimate_usage_cost, normalize_usage
+from agent.usage_pricing import (
+    estimate_usage_cost,
+    extract_provider_cost_usd,
+    normalize_usage,
+)
 from hermes_constants import PARTIAL_STREAM_STUB_ID
 from hermes_logging import set_session_context
 from tools.skill_provenance import set_current_write_origin
@@ -1633,6 +1637,37 @@ def run_conversation(
                     agent.session_cost_status = cost_result.status
                     agent.session_cost_source = cost_result.source
 
+                    # ── Real provider-REPORTED cost (never estimated) ──
+                    # OpenRouter usage accounting returns ``usage.cost`` on the
+                    # response when the request carries usage:{include:true}
+                    # (added on OpenRouter routes). When the provider reports
+                    # nothing, this stays None — absent, NOT zero — so cost
+                    # displays hide instead of showing a fabricated $0.00.
+                    reported_cost_usd = extract_provider_cost_usd(response.usage)
+                    if reported_cost_usd is not None:
+                        _prev_actual = getattr(agent, "session_actual_cost_usd", None)
+                        agent.session_actual_cost_usd = (_prev_actual or 0.0) + reported_cost_usd
+                        agent.session_cost_status = "actual"
+                        agent.session_cost_source = "provider_cost_api"
+
+                    # Per-model session breakdown for /usage — counts are always
+                    # real; cost_usd only accumulates provider-reported values
+                    # and stays None when the provider reports nothing.
+                    _model_usage = getattr(agent, "session_model_usage", None)
+                    if _model_usage is None:
+                        _model_usage = agent.session_model_usage = {}
+                    _mrow = _model_usage.setdefault(agent.model, {
+                        "calls": 0, "input": 0, "output": 0,
+                        "cache_read": 0, "cache_write": 0, "cost_usd": None,
+                    })
+                    _mrow["calls"] += 1
+                    _mrow["input"] += canonical_usage.input_tokens
+                    _mrow["output"] += canonical_usage.output_tokens
+                    _mrow["cache_read"] += canonical_usage.cache_read_tokens
+                    _mrow["cache_write"] += canonical_usage.cache_write_tokens
+                    if reported_cost_usd is not None:
+                        _mrow["cost_usd"] = (_mrow["cost_usd"] or 0.0) + reported_cost_usd
+
                     # Persist token counts to session DB for /insights.
                     # Do this for every platform with a session_id so non-CLI
                     # sessions (gateway, cron, delegated runs) cannot lose
@@ -1659,8 +1694,14 @@ def run_conversation(
                                 reasoning_tokens=canonical_usage.reasoning_tokens,
                                 estimated_cost_usd=float(cost_result.amount_usd)
                                 if cost_result.amount_usd is not None else None,
-                                cost_status=cost_result.status,
-                                cost_source=cost_result.source,
+                                # Provider-reported per-call cost delta. NULL
+                                # (not 0) when the provider reported nothing —
+                                # the SQL CASE keeps actual_cost_usd untouched.
+                                actual_cost_usd=reported_cost_usd,
+                                cost_status="actual"
+                                if reported_cost_usd is not None else cost_result.status,
+                                cost_source="provider_cost_api"
+                                if reported_cost_usd is not None else cost_result.source,
                                 billing_provider=agent.provider,
                                 billing_base_url=agent.base_url,
                                 billing_mode="subscription_included"

agent/transports/chat_completions.py

@@ -388,6 +388,13 @@ class ChatCompletionsTransport(ProviderTransport):
         if provider_prefs and is_openrouter:
             extra_body["provider"] = provider_prefs
 
+        # OpenRouter usage accounting — response `usage.cost` carries the REAL
+        # charged cost (credits are 1:1 USD). Parity with the profile path in
+        # plugins/model-providers/openrouter/__init__.py; this branch only runs
+        # when the OpenRouter profile isn't loaded.
+        if is_openrouter:
+            extra_body["usage"] = {"include": True}
+
         # Pareto Code router plugin — model-gated. Same shape as the
         # profile path in plugins/model-providers/openrouter/__init__.py;
         # this branch only runs when the OpenRouter profile isn't loaded.

agent/usage_pricing.py

@@ -849,6 +849,73 @@ def estimate_usage_cost(
     )
 
 
+def _finite_nonneg_number(value: Any) -> Optional[float]:
+    """Return ``value`` as a float when it is a real, finite, non-negative
+    number (int/float, not bool); otherwise None."""
+    if isinstance(value, bool) or not isinstance(value, (int, float)):
+        return None
+    try:
+        f = float(value)
+    except (TypeError, ValueError):
+        return None
+    if f != f or f in (float("inf"), float("-inf")) or f < 0:
+        return None
+    return f
+
+
+def extract_provider_cost_usd(response_usage: Any) -> Optional[float]:
+    """Provider-REPORTED cost (USD) from a response ``usage`` object, or None.
+
+    Reads the ``usage.cost`` field that OpenRouter's usage accounting returns
+    (``usage: {"include": true}`` request param; OpenRouter credits are 1:1
+    USD). OpenRouter-compatible aggregators use the same field. This NEVER
+    estimates: when the provider reports nothing, the result is None — callers
+    must treat None as "no cost data", not zero. A reported ``0`` is a real
+    zero (e.g. free-tier models) and is returned as ``0.0``.
+    """
+    if response_usage is None:
+        return None
+    cost = getattr(response_usage, "cost", None)
+    if cost is None and isinstance(response_usage, dict):
+        cost = response_usage.get("cost")
+    return _finite_nonneg_number(cost)
+
+
+def real_session_cost_usd(agent: Any) -> Optional[float]:
+    """Session-cumulative provider-REPORTED cost in USD, or None.
+
+    Combines the two real sources Hermes has — no estimation, ever:
+      - ``agent.session_actual_cost_usd``: per-response ``usage.cost``
+        accumulator (OpenRouter usage accounting).
+      - Nous ``x-nous-credits-*`` header delta via
+        ``agent.get_credits_spent_micros()`` (account-level spend since the
+        session first saw a header; clamped at 0 so a mid-session top-up
+        doesn't render a negative cost).
+
+    Returns None when neither source has reported anything — callers must
+    hide their cost display in that case rather than showing $0.00.
+    """
+    total: Optional[float] = None
+
+    actual = _finite_nonneg_number(getattr(agent, "session_actual_cost_usd", None))
+    if actual is not None:
+        total = actual
+
+    try:
+        spent_micros = agent.get_credits_spent_micros()
+    except Exception:
+        spent_micros = None
+    if spent_micros is not None:
+        try:
+            spent_usd = max(0, int(spent_micros)) / 1_000_000
+        except (TypeError, ValueError):
+            spent_usd = None
+        if spent_usd is not None:
+            total = (total or 0.0) + spent_usd
+
+    return total
+
+
 def has_known_pricing(
     model_name: str,
     provider: Optional[str] = None,

bench/.gitignore

@@ -0,0 +1,3 @@
+node_modules/
+.cache/
+*.cpuprofile

bench/README.md

@@ -0,0 +1,148 @@
+# TUI benchmark suite — Ink (`ui-tui`) vs OpenTUI (`ui-opentui`)
+
+Methodology (settled, binding): `docs/plans/opentui-bench-suite.md`. This
+directory is the implementation: real binaries over a real node-pty PTY
+(120×40, xterm-256color), a fake gateway substituted via `HERMES_PYTHON`
+(ZERO changes to either UI), external `/proc` sampling, cgroup-v2 memory caps.
+No tmux anywhere in measurement — except the `pipeline` cell, whose entire
+point is measuring the tmux emulator leg (see its note below).
+
+## Pieces
+
+| file | role |
+|---|---|
+| `fake-gateway.mjs` | NDJSON JSON-RPC gateway stand-in. Both UIs spawn it as `$HERMES_PYTHON -m tui_gateway.entry`. Answers every startup RPC with canned results, then streams the fixture (burst / paced / load-then-idle). Never writes stderr (the UIs render gateway stderr). |
+| `fixture-stream.mjs` | Serializes the deterministic lumpy-turn fixture (`ui-opentui/scripts/fixture.ts`, imported directly via Node ≥26 type stripping — no port) to NDJSON. Cached under `.cache/`, sha256-stamped. |
+| `harness.mjs` | One scenario = one UI boot: node-pty PTY, tight drain loop (event-loop starvation probe, 10ms budget asserted), `/proc/PID/{smaps_rollup,status,stat}` samples on 100-msg boundaries (UI PID only), `systemd-run --user --scope -p MemoryMax=… -p MemorySwapMax=0` caps, SGR wheel injection, resize-jiggle digest capture. |
+| `run.mjs` | The matrix runner (protocol: determinism gate first, sequential SUTs, randomized per-rep config order, 10s cooldowns, load gate). |
+| `render.mjs` | `results/*.json` → self-contained `report.html` (inline SVG, no CDN) + PNGs in `report-assets/`. |
+
+## Running cells
+
+Node 26 is required (`BENCH_NODE_BIN` overrides the default fnm path). Build
+both UIs first; results land in `results/<utc>-<sha7>-<cell>-<ui>-<config>-r<rep>.json`.
+
+```sh
+cd ui-opentui && node scripts/build.mjs && cd ../ui-tui && node scripts/build.mjs && cd ../bench
+npm install                       # node-pty (bench-local devDep)
+
+node run.mjs --cell gate          # determinism gate (digest replay ×2 per UI) — run FIRST
+node run.mjs --cell mem3000       # clean memory runs, 3 reps × 3 configs, 2GB cap
+node run.mjs --cell slope10k      # one 10k-msg slope run: ink + otui-uncapped (cap-hit IS a datapoint)
+node run.mjs --cell nodes         # instrumented node counts (ink fd-3 sampler; opentui headless walk)
+node run.mjs --cell cpu           # paced 30 ev/s streaming ×3
+node run.mjs --cell scroll        # SGR wheel 30Hz×15s on a 3000-msg transcript ×3
+node run.mjs --cell startup       # ×10, fake gateway
+node run.mjs --cell chaos         # stability: gw SIGKILL mid-stream/mid-tool, SIGSTOP 30s, resize storm, PTY EOF — 5 scenarios × {ink, otui-capped}
+node run.mjs --cell pipeline      # total-pipeline CPU: UI inside a DEDICATED tmux server (the user's real emulator leg), /proc utime+stime for UI + gateway + tmux @1Hz
+node run.mjs --cell echo          # M7 input latency: 30 keystrokes → first echoed paint (p50/p95/p99) + one \r submit → first-token-paint
+node render.mjs                   # report.html + report-assets/*.png
+```
+
+### Chaos / pipeline / echo cell notes
+
+- **chaos** (5 scenarios × ink/otui-capped, one JSON each, `summary.chaos`):
+  gateway death is SELF-inflicted (`HERMES_FAKE_DIE_AT=<msg>:<kill|tool-kill>`
+  → SIGKILL at fixture msg N, or at the first `tool.*` event after N) because
+  self-termination is deterministic vs racy external timing; a die-once flag
+  file keeps the auto-heal respawn from dying again. SIGSTOP (gw-stop) is
+  external via `HERMES_FAKE_PIDFILE`. Respawn detection = the respawned
+  gateway REWRITING that pidfile. Both UIs auto-heal (budget 3 respawns/60s):
+  OpenTUI with exponential backoff (`ui-opentui/src/boundary/gateway/liveGateway.ts`
+  `onExit`), Ink immediately (`ui-tui/src/app/useMainApp.ts` `exitHandler`).
+  `transcript_preserved` = after a forced full repaint (resize jiggle), the
+  screen still shows a recent pre-kill turn (`const xN` fixture markers).
+  `summary.result` keeps its usual semantics — for pty-eof the UI *should*
+  die, so read `summary.chaos`, not `summary.result`, for the verdicts.
+- **pipeline**: the ONLY cell that uses tmux — deliberately. The user's real
+  stack runs the TUI inside tmux (verified via /proc environ), so a dedicated
+  `tmux -L hermes-bench-<runId> -f /dev/null` server is the locally measurable
+  terminal-emulator leg. The harness PTY attaches a client (unattached tmux
+  skips most output work; `data_flowing` asserts bytes actually arrived) and
+  samples /proc utime+stime at 1Hz for UI, fake gateway, and the tmux server
+  (`summary.pipeline.cpu_s`). Only that socket's server is killed at the end.
+  Note tmux re-encodes the UI's output for the outer client, so `pty_bytes_total`
+  here is the post-tmux byte count, not the UI's raw output.
+- **frame pacing (M6)**: cpu-paced and pipeline record every PTY chunk
+  timestamp+size; bursts separated by >4ms gaps are frames →
+  `summary.frame_pacing` (fps, interframe p50/p95, bytes/frame p50/p95,
+  coalesced count). Scroll runs record the wheel phase only. There is no
+  env-gated renderer frame counter in ui-opentui to use as ground truth —
+  @opentui/core keeps `renderStats.fps` internally but nothing exports it;
+  wiring it would need a ui-source patch (out of scope here).
+- **echo (M7)**: keystroke chars avoid `u`/`p`/`s`/digits (the OpenTUI status
+  clock repaints `up: Ns` at 1Hz) and matching runs on ANSI-stripped output
+  (raw chunks are full of CSI final letters). The submit leg works because the
+  fake gateway answers `prompt.submit` with a tiny streamed reply carrying the
+  marker token `zqxjv` when `HERMES_FAKE_SUBMIT_RESPONSE=1`.
+
+Configs: `ink` · `otui-capped` (`HERMES_TUI_MAX_MESSAGES=3000`, the default) ·
+`otui-uncapped` (`=100000`). Launch parity with `hermes_cli/main.py`:
+Ink = `node --expose-gc ui-tui/dist/entry.js`, OpenTUI =
+`node --experimental-ffi --no-warnings ui-opentui/dist/main.js`, both with
+`NODE_OPTIONS=--max-old-space-size=<heap>` (8192 on the unconstrained host —
+what the launcher picks outside a container).
+
+## E3 (constrained Docker survival)
+
+`E3-lite` runs the same harness inside a generic `node:26` container (NOT the
+shipped image) with the worktree bind-mounted read-only and `--memory=1g
+--memory-swap=1g`; the whole container (UI + fake gateway + harness) shares the
+limit. See `run-e3.sh` if present, or the report's survival table for the exact
+invocation used.
+
+## What actually ran on 2026-06-11 (E1 host + E3-lite) — deviations from the plan
+
+- **3 reps** for mem3000 (not 5) and **scroll at 2000 msgs** (not 3000): the
+  OpenTUI engine on this tree (sha 197d499, dist built from 50e3471 tree state)
+  **crashes at ≈3000 fixture msgs** — an uncaught `Error: Failed to create
+  SyntaxStyle` (native handle allocation fails; every `TextBufferRenderable`
+  creates one in @opentui/core 0.4.0), masked by a second
+  `Failed to create optimized buffer` crash inside the renderer's
+  uncaughtException handler. Postmortems are in each result's `pty_tail`;
+  RSS at crash ≈880MB — far below the 2GB cap, so it is a handle/pool limit,
+  not memory. This dominates every OpenTUI cell past ~3000 msgs.
+- **OpenTUI headless node-count: not run.** `scripts/mem-bench.tsx` under Node
+  FFI dies on the first fixture turn with `ERR_INVALID_ARG_VALUE … 
+  textBufferViewSetViewport` (the known Bun→Node u32-coordinate class; the
+  production binary carries the ffiSafe clamp, the headless test renderer path
+  does not) and then hangs. The Ink fd-3 sampler ran fine.
+- **Startup real-gateway variant: probed, not run as a cell.** A full run would
+  forge real sessions in the user's `~/.hermes` store. Measured standalone:
+  the real `tui_gateway` (venv python) emits `gateway.ready` in **131ms median**
+  (×10, range 130–138ms) — add that to the fake-gateway startup numbers.
+- **No cgroup OOM kills observed** anywhere (Ink at 10k msgs peaks ~321MB;
+  OpenTUI crashes before reaching the cap), so the cap-hit machinery
+  (memory.events / journal fallback) never fired in anger; E3-lite classified
+  the OpenTUI death correctly as a crash (`oom_kill=0`, exit 7).
+- E2 (shipped Docker image): not run — image build time prohibitive in this
+  session; E3-lite (generic node:26) covers the constrained-memory question.
+- Drain-loop starvation: a handful of OpenTUI burst runs recorded 11–18ms max
+  event-loop lag in the harness (>10ms budget, flagged `drain_ok:false` in
+  those results); all paced/scroll/startup runs stayed under 10ms.
+
+## Accounting + known deviations (by design)
+
+- **"messages" = fixture rows** (`rowsPerTurn` accounting, identical to
+  `ui-opentui/scripts/mem-bench.tsx`), so numbers are comparable with the
+  pre-registered expectations. ~46% of fixture rows are user/system rows.
+- **User/system rows are not streamed**: they are composer-local in both UIs
+  (no wire event exists), so PTY runs mount only the assistant/tool rows —
+  the renderable-heavy part that carries the memory claim. Consequence: the
+  OpenTUI store cap (3000 rows) binds at ≈6.6k fixture-msgs in PTY runs.
+- **Digest gate**: final-screen digest after a resize-forced repaint, ANSI
+  stripped, cut at the composer hint, `up: Ns` normalized (the OpenTUI status
+  bar has a 1Hz uptime clock; the transcript region itself is deterministic).
+- The headless `scripts/mem-bench.tsx` numbers are diagnostic-only and flagged
+  `instrumented`/`diagnostic_only` — never headlined.
+
+## Build/run parity vs an installed hermes (audit, 2026-06-11)
+- Both UIs are built by their own repo build scripts (same artifacts an install produces) and
+  spawned at their real entries: otui `node --experimental-ffi --no-warnings dist/main.js`
+  (identical to production); ink `dist/entry.js` with env mirroring `_launch_tui`
+  (NODE_ENV=production).
+- Two deviations: (1) ink's spawn adds `--expose-gc` — audited: nothing ever calls gc(), the
+  flag is inert; kept for the instrumented sampler runs, harmless in clean runs. (2) both UIs
+  run on the pinned Node 26.3 per protocol ("never compare across Node majors") — installed ink
+  commonly runs Node 20/22, so ink's ABSOLUTE numbers are "ink on Node 26"; the relative
+  comparison is unaffected. An as-installed-Node ink re-run is a worthwhile extra cell.

bench/fake-gateway.mjs

@@ -0,0 +1,239 @@
+#!/usr/bin/env node
+// Fake tui_gateway — substituted via HERMES_PYTHON so BOTH UIs spawn THIS
+// executable as `$HERMES_PYTHON -m tui_gateway.entry` (argv ignored) and speak
+// the identical NDJSON JSON-RPC wire over stdio. ZERO changes to either UI.
+//
+// Wire contract (mirrors tui_gateway/entry.py + both UI clients):
+//   - unsolicited {jsonrpc:"2.0",method:"event",params:{type:"gateway.ready",payload:{skin:{}}}}
+//   - events:    {jsonrpc:"2.0",method:"event",params:{type,payload?}}  (no id)
+//   - responses: {jsonrpc:"2.0",id,result} for every request, canned per method.
+//
+// NEVER writes to stderr (both UIs surface gateway stderr lines INTO the UI as
+// activity rows / gateway.stderr events, which would perturb the rendered
+// transcript). Progress/telemetry goes to HERMES_FAKE_PROGRESS (append-only
+// NDJSON file the harness tails).
+//
+// Env config:
+//   HERMES_FAKE_FIXTURE        NDJSON fixture path (from fixture-stream.mjs). Optional.
+//   HERMES_FAKE_MODE           burst | paced | load-then-idle   (default burst)
+//   HERMES_FAKE_RATE           events/sec for paced mode        (default 30)
+//   HERMES_FAKE_START_DELAY_MS delay after session.create reply before streaming (default 1500)
+//   HERMES_FAKE_SAMPLE_EVERY   fixture-msg boundary cadence for progress lines (default 100)
+//   HERMES_FAKE_PROGRESS       progress NDJSON file path (required for harness runs)
+//   HERMES_FAKE_PIDFILE        write own pid here at startup (harness discovers the
+//                              gateway pid; a REWRITE by a respawned instance is the
+//                              harness's auto-heal detection signal)
+//   HERMES_FAKE_DIE_AT         "<msgIndex>:<kill|tool-kill>" — chaos cells: self-SIGKILL
+//                              at fixture msg N (kill), or at the first tool.* event
+//                              after msg N (tool-kill). Self-termination is deterministic
+//                              vs racy external timing. SIGSTOP stays external (a stopped
+//                              process can't stop itself usefully).
+//   HERMES_FAKE_DIE_FLAG       die-once flag file: created just before the self-kill so
+//                              the UI's auto-heal RESPAWN (same env) does not die again
+//   HERMES_FAKE_SUBMIT_RESPONSE  "1" → answer prompt.submit with a tiny streamed reply
+//                              carrying the marker token "zqxjv" (echo-latency cells)
+//
+// Modes: burst = write as fast as the pipe accepts (await 'drain' on
+// backpressure, so emission tracks UI ingestion within the ~64KB pipe buffer);
+// paced = HERMES_FAKE_RATE events/sec; load-then-idle = burst, then sit idle
+// (scroll-latency runs drive input afterwards). Exits on stdin EOF (the UIs
+// close stdin to stop the gateway) — same lifecycle as the real child.
+
+import { appendFileSync, existsSync, readFileSync, writeFileSync } from 'node:fs'
+import { createInterface } from 'node:readline'
+
+const FIXTURE = process.env.HERMES_FAKE_FIXTURE || ''
+const MODE = process.env.HERMES_FAKE_MODE || 'burst'
+const RATE = Math.max(1, Number.parseInt(process.env.HERMES_FAKE_RATE ?? '30', 10) || 30)
+const START_DELAY_MS = Number.parseInt(process.env.HERMES_FAKE_START_DELAY_MS ?? '1500', 10) || 1500
+const SAMPLE_EVERY = Math.max(1, Number.parseInt(process.env.HERMES_FAKE_SAMPLE_EVERY ?? '100', 10) || 100)
+const PROGRESS = process.env.HERMES_FAKE_PROGRESS || ''
+const PIDFILE = process.env.HERMES_FAKE_PIDFILE || ''
+const DIE_FLAG = process.env.HERMES_FAKE_DIE_FLAG || ''
+const SUBMIT_RESPONSE = process.env.HERMES_FAKE_SUBMIT_RESPONSE === '1'
+
+// Chaos self-termination (deterministic, no external kill races). Die-once:
+// if the flag file exists a previous instance already died here — this is the
+// auto-heal respawn, which must stream to completion.
+let dieAtMsgs = null
+let dieKind = 'kill'
+{
+  const m = (process.env.HERMES_FAKE_DIE_AT || '').match(/^(\d+):(kill|tool-kill)$/)
+  if (m) {
+    dieAtMsgs = Number(m[1])
+    dieKind = m[2]
+  }
+  if (dieAtMsgs !== null && DIE_FLAG && existsSync(DIE_FLAG)) dieAtMsgs = null
+}
+
+if (PIDFILE) {
+  try {
+    writeFileSync(PIDFILE, String(process.pid))
+  } catch {
+    /* best-effort */
+  }
+}
+
+const t0 = Date.now()
+const progress = obj => {
+  if (!PROGRESS) return
+  try {
+    appendFileSync(PROGRESS, JSON.stringify({ ...obj, t: Date.now() - t0, wall: Date.now() }) + '\n')
+  } catch {
+    /* progress is best-effort; never crash the wire */
+  }
+}
+
+// UI gone (pipe closed) → exit quietly like the real child on stdin EOF.
+process.stdout.on('error', () => process.exit(0))
+
+const writeFrame = obj => {
+  const ok = process.stdout.write(JSON.stringify(obj) + '\n')
+  return ok ? null : new Promise(r => process.stdout.once('drain', r))
+}
+const emitEvent = params => writeFrame({ jsonrpc: '2.0', method: 'event', params })
+
+// ── Canned RPC results (recon'd from both UIs' startup sequences) ──────
+const SESSION_ID = 'bench-session-0001'
+const INFO = {
+  model: 'bench/fake-model',
+  version: '0.0.0-bench',
+  cwd: process.env.HERMES_CWD || process.cwd(),
+  skills: {},
+  tools: { core: ['terminal', 'read_file'] },
+  usage: { calls: 0, input: 0, output: 0, total: 0 }
+}
+
+function resultFor(method, params) {
+  switch (method) {
+    case 'setup.status':
+      return { provider_configured: true }
+    case 'session.create':
+      return { session_id: SESSION_ID, info: INFO }
+    case 'session.resume':
+    case 'session.activate':
+      return { session_id: SESSION_ID, messages: [], info: INFO }
+    case 'session.most_recent':
+      return {}
+    case 'session.list':
+    case 'session.active_list':
+      return { sessions: [] }
+    case 'config.get':
+      if (params && params.key === 'mtime') return { mtime: 1 }
+      if (params && params.key === 'full') return { config: { display: {} } }
+      return { value: '' }
+    case 'commands.catalog':
+      return { pairs: [['help', 'show help']], canon: {}, categories: [], sub: {}, skill_count: 0 }
+    case 'startup.catalog':
+      return { tools: {}, skills: {}, mcp_servers: [] }
+    case 'model.options':
+      return { providers: [] }
+    case 'session.title':
+      return { title: 'bench' }
+    case 'prompt.submit':
+      return { ok: true }
+    case 'session.interrupt':
+      return { ok: true }
+    case 'complete.slash':
+    case 'complete.path':
+      return { items: [] }
+    default:
+      return {}
+  }
+}
+
+// ── Chaos self-kill ────────────────────────────────────────────────────
+// Flag first (sync — survives SIGKILL), then a 'dying' progress line (gives
+// the harness the precise kill wall-clock), then SIGKILL self.
+function dieNow(msgs) {
+  if (DIE_FLAG) {
+    try {
+      writeFileSync(DIE_FLAG, '1')
+    } catch {
+      /* best-effort */
+    }
+  }
+  progress({ k: 'dying', kind: dieKind, msgs })
+  process.kill(process.pid, 'SIGKILL')
+}
+
+// ── Fixture streaming ──────────────────────────────────────────────────
+let streaming = false
+async function streamFixture() {
+  if (streaming || !FIXTURE) return
+  streaming = true
+  const lines = readFileSync(FIXTURE, 'utf8').split('\n')
+  let msgs = 0
+  let events = 0
+  let nextBoundary = SAMPLE_EVERY
+  const paced = MODE === 'paced'
+  const interval = paced ? 1000 / RATE : 0
+  let nextAt = Date.now()
+  progress({ k: 'stream_start', mode: MODE })
+  for (const raw of lines) {
+    if (!raw) continue
+    const item = JSON.parse(raw)
+    if (item.k === 'e') {
+      if (paced) {
+        const wait = nextAt - Date.now()
+        if (wait > 0) await new Promise(r => setTimeout(r, wait))
+        nextAt += interval
+      }
+      const drained = emitEvent(item.v)
+      if (drained) await drained
+      events++
+      // tool-kill: die exactly as a tool-call event goes over the wire (the
+      // first tool.* event after the armed msg index — the UI is left with a
+      // started, never-completed tool).
+      if (dieAtMsgs !== null && dieKind === 'tool-kill' && msgs >= dieAtMsgs && typeof item.v?.type === 'string' && item.v.type.startsWith('tool.')) {
+        dieNow(msgs)
+      }
+    } else if (item.k === 't') {
+      msgs = item.msgs
+      if (msgs >= nextBoundary) {
+        progress({ k: 'boundary', msgs, events })
+        while (nextBoundary <= msgs) nextBoundary += SAMPLE_EVERY
+      }
+      if (dieAtMsgs !== null && dieKind === 'kill' && msgs >= dieAtMsgs) dieNow(msgs)
+    }
+    // {"k":"r"} row markers: composer-local rows, nothing on the wire.
+  }
+  progress({ k: 'done', msgs, events })
+}
+
+// ── Main: handshake + request loop ─────────────────────────────────────
+progress({ k: 'start', pid: process.pid, mode: MODE, fixture: FIXTURE })
+emitEvent({ type: 'gateway.ready', payload: { skin: {} } })
+
+const rl = createInterface({ input: process.stdin })
+rl.on('line', line => {
+  let msg
+  try {
+    msg = JSON.parse(line)
+  } catch {
+    return
+  }
+  if (!msg || typeof msg !== 'object' || msg.id === undefined) return
+  const method = String(msg.method ?? '')
+  progress({ k: 'req', method })
+  void writeFrame({ jsonrpc: '2.0', id: msg.id, result: resultFor(method, msg.params) })
+  if (method === 'session.create' || method === 'session.resume') {
+    setTimeout(() => {
+      streamFixture().catch(() => process.exit(1))
+    }, START_DELAY_MS)
+  }
+  // Echo cells: a real (tiny) reply to prompt.submit so input→first-token-paint
+  // is measurable. The marker token "zqxjv" never occurs in the lorem fixture.
+  if (method === 'prompt.submit' && SUBMIT_RESPONSE) {
+    setTimeout(() => {
+      progress({ k: 'submit_response' })
+      void emitEvent({ type: 'message.start' })
+      void emitEvent({ type: 'message.delta', payload: { text: 'Echo probe reply zqxjv — bench token-paint marker.' } })
+      void emitEvent({ type: 'message.complete' })
+    }, 30)
+  }
+})
+rl.on('close', () => {
+  progress({ k: 'eof' })
+  process.exit(0)
+})

bench/fixture-stream.mjs

@@ -0,0 +1,86 @@
+#!/usr/bin/env node
+// Serialize the deterministic lumpy-turn fixture (ui-opentui/scripts/fixture.ts)
+// to NDJSON for the fake gateway. We check in THIS generator invocation, not the
+// generated file (it is megabytes); the stream is byte-reproducible for a given
+// message count because the fixture is seeded by turn index.
+//
+// The generator is imported DIRECTLY from ui-opentui/scripts/fixture.ts via
+// Node >=26 type stripping — no port, no drift. `applyTurn(store, turn)` only
+// calls store.pushUser/pushSystem/apply, so a recorder stub extracts the exact
+// per-turn action stream the OpenTUI mem-bench drives.
+//
+// Line format (one JSON object per line):
+//   {"k":"e","v":{...GatewayEvent...}}   → sent on the wire as
+//                                          {jsonrpc:"2.0",method:"event",params:v}
+//   {"k":"r","role":"user"|"system"}     → row marker, NOT sent (composer-local
+//                                          rows have no wire representation —
+//                                          see README "deviation: user rows")
+//   {"k":"t","msgs":N}                   → end-of-turn marker with the CUMULATIVE
+//                                          fixture-message count (rowsPerTurn
+//                                          accounting, same as scripts/mem-bench.tsx)
+//
+// Usage: node fixture-stream.mjs --msgs 3000 [--out path]
+// Default out: bench/.cache/fixture-<msgs>.ndjson  (prints path + sha256)
+
+import { createHash } from 'node:crypto'
+import { createWriteStream, mkdirSync } from 'node:fs'
+import { dirname, resolve } from 'node:path'
+import { fileURLToPath, pathToFileURL } from 'node:url'
+
+const here = dirname(fileURLToPath(import.meta.url))
+const fixtureTs = resolve(here, '../ui-opentui/scripts/fixture.ts')
+
+function parseArgs(argv) {
+  const args = { msgs: 3000, out: null }
+  for (let i = 2; i < argv.length; i++) {
+    if (argv[i] === '--msgs') args.msgs = Number.parseInt(argv[++i], 10)
+    else if (argv[i] === '--out') args.out = argv[++i]
+  }
+  if (!Number.isFinite(args.msgs) || args.msgs <= 0) throw new Error('--msgs must be a positive integer')
+  return args
+}
+
+export async function generate(msgs, outPath) {
+  const { applyTurn, rowsPerTurn } = await import(pathToFileURL(fixtureTs).href)
+  mkdirSync(dirname(outPath), { recursive: true })
+  const out = createWriteStream(outPath)
+  const hash = createHash('sha256')
+  const write = line => {
+    const data = line + '\n'
+    hash.update(data)
+    if (!out.write(data)) return new Promise(r => out.once('drain', r))
+    return null
+  }
+
+  let pushed = 0
+  let events = 0
+  let turn = 0
+  while (pushed < msgs) {
+    const lines = []
+    const recorder = {
+      pushUser: () => lines.push('{"k":"r","role":"user"}'),
+      pushSystem: () => lines.push('{"k":"r","role":"system"}'),
+      apply: ev => {
+        lines.push(JSON.stringify({ k: 'e', v: ev }))
+        events++
+      }
+    }
+    applyTurn(recorder, turn)
+    pushed += rowsPerTurn(turn)
+    lines.push(JSON.stringify({ k: 't', msgs: pushed }))
+    for (const line of lines) {
+      const wait = write(line)
+      if (wait) await wait
+    }
+    turn++
+  }
+  await new Promise((res, rej) => out.end(err => (err ? rej(err) : res())))
+  return { path: outPath, msgs: pushed, events, turns: turn, sha256: hash.digest('hex') }
+}
+
+if (import.meta.main) {
+  const args = parseArgs(process.argv)
+  const outPath = args.out ?? resolve(here, `.cache/fixture-${args.msgs}.ndjson`)
+  const info = await generate(args.msgs, outPath)
+  process.stdout.write(JSON.stringify(info) + '\n')
+}

bench/forensics.sh

@@ -0,0 +1,371 @@
+#!/usr/bin/env bash
+# forensics.sh — assemble a chronological "what killed my gateway" timeline.
+#
+# Usage: bench/forensics.sh <since>
+#   <since> is anything `date -d` accepts: '3 days ago', '2026-06-08', 'yesterday' ...
+#
+# Read-only against system state: it greps logs, queries the sessions DB via a
+# read-only sqlite URI, reads journalctl/dmesg, lists worktrees and running
+# processes. It never kills, restarts or writes anything outside mktemp.
+#
+# Sources merged into one timestamp-sorted timeline (local time, ISO):
+#   [gateway.log]   ~/.hermes/logs/gateway.log*       gateway lifecycle lines
+#   [errors.log]    ~/.hermes/logs/errors.log*        ERROR/CRITICAL lines
+#   [exit-diag]     ~/.hermes/logs/gateway-exit-diag.log      (JSONL, UTC)
+#   [tui-crash]     ~/.hermes/logs/tui_gateway_crash.log      exit/signal/exception markers
+#   [opentui]       ~/.hermes/logs/opentui-v2.log             (JSONL, epoch ms)
+#   [shutdown-diag] ~/.hermes/logs/gateway-shutdown-diag.log  SIGTERM dump headers
+#   [oom]/[systemd]/[sleep]  journalctl --user / -k (dmesg fallback)
+#   [sessions]      ~/.hermes/state.db sessions table (tui/cli sources)
+#   [worktree]      git worktree lists + dir mtimes under ~/github
+#   [proc]          currently running tui_gateway / dist/main.js / dist/entry.js
+set -uo pipefail
+
+SINCE_SPEC="${1:-}"
+if [ -z "$SINCE_SPEC" ]; then
+  echo "usage: $0 <since>   (e.g. '3 days ago', '2026-06-08')" >&2
+  exit 2
+fi
+SINCE_EPOCH="$(date -d "$SINCE_SPEC" +%s 2>/dev/null)" || {
+  echo "error: date -d could not parse: $SINCE_SPEC" >&2
+  exit 2
+}
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+REPO_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"
+PY="$REPO_ROOT/.venv/bin/python"
+[ -x "$PY" ] || PY="$(command -v python3)"
+
+TMP="$(mktemp -d /tmp/forensics.XXXXXX)"
+trap 'rm -rf "$TMP"' EXIT
+
+# ---------------------------------------------------------------- journal ---
+# User journal: OOM notices, hermes-gateway unit lifecycle, suspend/resume.
+journalctl --user --since "@$SINCE_EPOCH" -o short-iso-precise --no-pager 2>"$TMP/jr-user.err" \
+  | grep -iE 'oom|out of memory|killed process|hermes-gateway[^ ]*\.service|suspend|hibernat|Scheduled restart' \
+  > "$TMP/journal-user.txt" || true
+
+# Kernel journal: the authoritative OOM-kill records.
+if ! journalctl -k --since "@$SINCE_EPOCH" -o short-iso-precise --no-pager 2>"$TMP/jr-kern.err" \
+    | grep -iE 'out of memory|oom-kill|oom_reaper|invoked oom-killer' \
+    > "$TMP/journal-kernel.txt"; then
+  : > "$TMP/journal-kernel.txt"
+fi
+if [ -s "$TMP/jr-kern.err" ] && [ ! -s "$TMP/journal-kernel.txt" ]; then
+  echo "note: journalctl -k unavailable ($(head -1 "$TMP/jr-kern.err")); trying dmesg" >&2
+  dmesg -T 2>/dev/null | grep -iE 'out of memory|oom-kill|invoked oom-killer' > "$TMP/dmesg.txt" || true
+fi
+[ -e "$TMP/dmesg.txt" ] || : > "$TMP/dmesg.txt"
+
+# ------------------------------------------------------------- processes ---
+ps -eo pid,lstart,rss,args --sort=lstart 2>/dev/null \
+  | grep -E 'tui_gateway|dist/main\.js|dist/entry\.js' \
+  | grep -vE 'grep|forensics' > "$TMP/ps.txt" || true
+
+# -------------------------------------------------------------- worktrees ---
+{
+  for d in "$HOME"/github/*/; do
+    [ -e "$d/.git" ] || continue
+    echo "## repo $d"
+    timeout 10 git -C "$d" worktree list 2>/dev/null || echo "(git worktree list failed)"
+  done
+} > "$TMP/worktrees.txt" 2>/dev/null || true
+
+# ---------------------------------------------------------------- python ---
+export FORENSICS_SINCE="$SINCE_EPOCH" FORENSICS_TMP="$TMP" FORENSICS_SINCE_SPEC="$SINCE_SPEC"
+exec "$PY" - <<'PYEOF'
+import json, os, re, sqlite3, sys, time
+from datetime import datetime, timezone
+
+SINCE = float(os.environ["FORENSICS_SINCE"])
+TMP = os.environ["FORENSICS_TMP"]
+NOW = time.time()
+HOME = os.path.expanduser("~")
+LOGS = os.path.join(HOME, ".hermes", "logs")
+
+events = []  # (epoch, tag, msg)
+
+def add(ep, tag, msg):
+    if ep is None or ep < SINCE or ep > NOW + 120:
+        return
+    msg = " ".join(str(msg).split())
+    if msg:
+        events.append((ep, tag, msg[:500]))
+
+def local_naive(s, fmt):
+    """Parse a naive local-time string -> epoch."""
+    try:
+        return datetime.strptime(s, fmt).timestamp()
+    except ValueError:
+        return None
+
+def iso_any(s):
+    """Parse an ISO timestamp (Z / +00:00 / +0530 offsets) -> epoch."""
+    s = s.strip().replace("Z", "+00:00")
+    # journald short-iso uses +0530 (no colon); fromisoformat on 3.11+ copes.
+    try:
+        return datetime.fromisoformat(s).timestamp()
+    except ValueError:
+        m = re.match(r"(.*)([+-]\d{2})(\d{2})$", s)
+        if m:
+            try:
+                return datetime.fromisoformat(f"{m.group(1)}{m.group(2)}:{m.group(3)}").timestamp()
+            except ValueError:
+                return None
+        return None
+
+def read_lines(path):
+    try:
+        with open(path, errors="replace") as f:
+            return f.readlines()
+    except OSError:
+        return []
+
+PYLOG = re.compile(r"^(\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}),\d+\s+(\w+)\s+(.*)$")
+
+# --- gateway.log* : lifecycle lines -----------------------------------------
+LIFECYCLE = re.compile(
+    r"Starting Hermes Gateway|Gateway running|Press Ctrl\+C|Shutting down|shutdown"
+    r"|stopp(ed|ing)|Recovered \d+ background|reaped|restart|Cron ticker started",
+    re.I,
+)
+for path in sorted(p for p in os.listdir(LOGS) if p.startswith("gateway.log")):
+    for line in read_lines(os.path.join(LOGS, path)):
+        m = PYLOG.match(line)
+        if m and LIFECYCLE.search(m.group(3)):
+            add(local_naive(m.group(1), "%Y-%m-%d %H:%M:%S"), "gateway.log", m.group(3))
+
+# --- errors.log* : ERROR/CRITICAL header lines ------------------------------
+for path in sorted(p for p in os.listdir(LOGS) if p.startswith("errors.log")):
+    for line in read_lines(os.path.join(LOGS, path)):
+        m = PYLOG.match(line)
+        if m and m.group(2) in ("ERROR", "CRITICAL"):
+            add(local_naive(m.group(1), "%Y-%m-%d %H:%M:%S"), "errors.log",
+                f"{m.group(2)} {m.group(3)}")
+
+# --- gateway-exit-diag.log : JSONL, UTC ISO ---------------------------------
+for line in read_lines(os.path.join(LOGS, "gateway-exit-diag.log")):
+    try:
+        rec = json.loads(line)
+    except (json.JSONDecodeError, ValueError):
+        continue
+    tag = rec.get("tag", "?")
+    extra = ""
+    if tag == "asyncio.run.SystemExit":
+        extra = f" code={rec.get('code')}"
+    elif tag == "gateway.start":
+        extra = f" replace={rec.get('replace')} argv={' '.join(rec.get('argv', [])[-3:])}"
+    elif tag == "asyncio.run.returned":
+        extra = f" success={rec.get('success')}"
+    add(iso_any(rec.get("ts", "")), "exit-diag", f"{tag} pid={rec.get('pid')}{extra}")
+
+# --- tui_gateway_crash.log : section markers + [tui-parent] lines -----------
+SECTION = re.compile(r"^=== (.+?) · (\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2})(?: · (.*?))? ===\s*$")
+TUIPARENT = re.compile(r"^\[tui-parent\] (\S+Z) (.*)$")
+for line in read_lines(os.path.join(LOGS, "tui_gateway_crash.log")):
+    m = SECTION.match(line)
+    if m:
+        what, ts, detail = m.group(1), m.group(2), m.group(3) or ""
+        add(local_naive(ts, "%Y-%m-%d %H:%M:%S"), "tui-crash",
+            f"{what}{' · ' + detail if detail else ''}")
+        continue
+    m = TUIPARENT.match(line)
+    if m and ("[lifecycle]" in m.group(2) or "uncaughtException" in m.group(2)):
+        add(iso_any(m.group(1)), "tui-parent", m.group(2))
+
+# --- opentui-v2.log : JSONL, epoch ms ---------------------------------------
+for line in read_lines(os.path.join(LOGS, "opentui-v2.log")):
+    try:
+        rec = json.loads(line)
+    except (json.JSONDecodeError, ValueError):
+        continue
+    keep = (rec.get("scope") == "gateway"
+            or rec.get("level") in ("warn", "error")
+            or "transport" in str(rec.get("msg", "")))
+    if keep:
+        data = rec.get("data") or {}
+        brief = {k: v for k, v in data.items() if k in
+                 ("python", "reason", "code", "signal", "cause", "sid", "attempt")}
+        add(rec.get("t", 0) / 1000.0, "opentui",
+            f"{rec.get('level')} {rec.get('scope')}: {rec.get('msg')} {brief if brief else ''}")
+
+# --- gateway-shutdown-diag.log : SIGTERM dump headers -----------------------
+lines = read_lines(os.path.join(LOGS, "gateway-shutdown-diag.log"))
+for i, line in enumerate(lines):
+    if line.startswith("=== shutdown diagnostic"):
+        for j in range(i, min(i + 4, len(lines))):
+            mm = re.match(r"^(\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}Z)\s*$", lines[j])
+            if mm:
+                add(iso_any(mm.group(1)), "shutdown-diag",
+                    line.strip().strip("= ").strip())
+                break
+
+# --- journal files ----------------------------------------------------------
+JLINE = re.compile(r"^(\S+)\s+\S+\s+(.*)$")
+def journal(path, default_tag):
+    for line in read_lines(path):
+        m = JLINE.match(line)
+        if not m:
+            continue
+        ep, msg = iso_any(m.group(1)), m.group(2)
+        low = msg.lower()
+        if "out of memory" in low or "oom-kill" in low or "oom killer" in low \
+                or "invoked oom-killer" in low or "result 'oom-kill'" in low:
+            tag = "oom"
+        elif "suspend" in low or "hibernat" in low:
+            tag = "sleep"
+        else:
+            tag = default_tag
+        add(ep, tag, msg)
+
+journal(os.path.join(TMP, "journal-user.txt"), "systemd")
+journal(os.path.join(TMP, "journal-kernel.txt"), "oom")
+for line in read_lines(os.path.join(TMP, "dmesg.txt")):
+    m = re.match(r"^\[(\w{3} \w{3} +\d+ \d{2}:\d{2}:\d{2} \d{4})\]\s*(.*)$", line)
+    if m:
+        add(local_naive(re.sub(r" +", " ", m.group(1)), "%a %b %d %H:%M:%S %Y"),
+            "oom", m.group(2))
+
+# --- sessions DB ------------------------------------------------------------
+abnormal_sessions = []
+db = os.path.join(HOME, ".hermes", "state.db")
+try:
+    con = sqlite3.connect(f"file:{db}?mode=ro", uri=True, timeout=5)
+    rows = con.execute(
+        "SELECT id, source, started_at, ended_at, end_reason, message_count "
+        "FROM sessions WHERE source IN ('tui','cli') AND "
+        "(started_at >= ? OR (ended_at IS NOT NULL AND ended_at >= ?)) "
+        "ORDER BY started_at", (SINCE, SINCE)).fetchall()
+    con.close()
+    for sid, source, st, en, reason, mc in rows:
+        add(st, "sessions", f"START {source} session={sid} messages={mc}")
+        if en is not None:
+            flag = "" if reason else " ABNORMAL(no end_reason)"
+            add(en, "sessions",
+                f"END   {source} session={sid} reason={reason or 'NULL'} messages={mc}{flag}")
+            if not reason:
+                abnormal_sessions.append((sid, source, st, "ended, no end_reason"))
+        else:
+            add(st, "sessions",
+                f"NOEND {source} session={sid} messages={mc} "
+                f"ABNORMAL(no ended_at recorded — crashed parent or still running)")
+            abnormal_sessions.append((sid, source, st, "no ended_at"))
+except sqlite3.Error as e:
+    print(f"note: sessions DB unreadable: {e}", file=sys.stderr)
+
+# --- worktrees: current list + dir mtimes -----------------------------------
+worktree_snapshot = open(os.path.join(TMP, "worktrees.txt"), errors="replace").read() \
+    if os.path.exists(os.path.join(TMP, "worktrees.txt")) else ""
+wt_dirs = []
+for base in ([os.path.join(HOME, "github", d, ".worktrees")
+              for d in (os.listdir(os.path.join(HOME, "github"))
+                        if os.path.isdir(os.path.join(HOME, "github")) else [])]
+             + [os.path.join(HOME, "github", "worktrees", d)
+                for d in (os.listdir(os.path.join(HOME, "github", "worktrees"))
+                          if os.path.isdir(os.path.join(HOME, "github", "worktrees")) else [])]):
+    if not os.path.isdir(base):
+        continue
+    for name in os.listdir(base):
+        p = os.path.join(base, name)
+        if os.path.isdir(p):
+            try:
+                mt = os.stat(p).st_mtime
+            except OSError:
+                continue
+            wt_dirs.append((p, mt))
+            add(mt, "worktree", f"last-modified {p} "
+                f"(age {round((NOW - mt) / 3600, 1)}h)")
+
+# --- process snapshot -------------------------------------------------------
+running = []
+PSLINE = re.compile(r"^\s*(\d+)\s+(\w{3} \w{3} +\d+ \d{2}:\d{2}:\d{2} \d{4})\s+(\d+)\s+(.*)$")
+for line in read_lines(os.path.join(TMP, "ps.txt")):
+    m = PSLINE.match(line)
+    if not m:
+        continue
+    pid, lstart, rss, args = m.groups()
+    ep = local_naive(re.sub(r" +", " ", lstart), "%a %b %d %H:%M:%S %Y")
+    running.append((pid, ep, int(rss), args))
+    add(ep, "proc", f"STILL-RUNNING pid={pid} rss={int(rss)//1024}MB started-here: {args[:200]}")
+
+# --- emit timeline ----------------------------------------------------------
+def iso(ep):
+    return datetime.fromtimestamp(ep).astimezone().strftime("%Y-%m-%dT%H:%M:%S%z")
+
+print(f"# forensics timeline since {os.environ['FORENSICS_SINCE_SPEC']!r} "
+      f"({iso(SINCE)}) — generated {iso(NOW)}")
+print(f"# {len(events)} events\n")
+
+events.sort(key=lambda e: e[0])
+prev = None
+dup = 0
+def flush(prev, dup):
+    if prev is None:
+        return
+    suffix = f"  (x{dup + 1})" if dup else ""
+    print(f"{iso(prev[0])} [{prev[1]}] {prev[2]}{suffix}")
+for ev in events:
+    if prev and ev[1] == prev[1] and ev[2] == prev[2] and ev[0] - prev[0] < 5:
+        dup += 1
+        continue
+    flush(prev, dup)
+    prev, dup = ev, 0
+flush(prev, dup)
+
+# --- summary ----------------------------------------------------------------
+print("\n" + "=" * 72)
+print("SUMMARY")
+print("=" * 72)
+from collections import Counter
+by_tag = Counter(e[1] for e in events)
+for tag, n in by_tag.most_common():
+    print(f"  {n:6d}  [{tag}]")
+
+ooms = [e for e in events if e[1] == "oom" and "Killed process" in e[2]]
+print(f"\nOOM kernel kills in window: {len(ooms)}")
+for e in ooms:
+    m = re.search(r"Killed process (\d+) \(([^)]+)\).*?anon-rss:(\d+)kB", e[2])
+    if m:
+        print(f"  {iso(e[0])}  pid={m.group(1)} comm={m.group(2)} anon-rss={int(m.group(3))//1024}MB")
+    else:
+        print(f"  {iso(e[0])}  {e[2][:140]}")
+
+oomd = [e for e in events if e[1] == "oom" and "Killed process" not in e[2]
+        and ("oom" in e[2].lower())]
+print(f"OOM-related systemd/unit notices: {len(oomd)}")
+
+gexits = Counter()
+for e in events:
+    if e[1] == "tui-crash" and e[2].startswith("gateway exit"):
+        m = re.search(r"reason=(.*)$", e[2])
+        gexits[m.group(1) if m else "?"] += 1
+print(f"\ntui_gateway exits by reason (tui_gateway_crash.log):")
+for r, n in gexits.most_common():
+    print(f"  {n:4d}  {r}")
+
+sigs = Counter(e[2].split(" received")[0] for e in events
+               if e[1] == "tui-crash" and " received" in e[2])
+print(f"tui_gateway signals received: {dict(sigs) if sigs else 'none'}")
+
+starts = sum(1 for e in events if e[1] == "exit-diag" and e[2].startswith("gateway.start"))
+nz = sum(1 for e in events if e[1] == "exit-diag" and "exit_nonzero" in e[2])
+print(f"\nplatform gateway (hermes-gateway.service): {starts} start(s), {nz} nonzero-exit(s) in window")
+
+print(f"\nabnormal tui/cli sessions (no ended_at or no end_reason): {len(abnormal_sessions)}")
+for sid, source, st, why in abnormal_sessions[-20:]:
+    print(f"  {iso(st)}  {source} {sid}: {why}")
+
+sleeps = [e for e in events if e[1] == "sleep"]
+print(f"\nsuspend/hibernate events: {len(sleeps)}")
+
+print(f"\ncurrently running TUI/gateway processes: {len(running)}")
+for pid, ep, rss, args in running:
+    print(f"  pid={pid} since={iso(ep) if ep else '?'} rss={rss//1024}MB {args[:120]}")
+
+print(f"\ncurrent git worktrees (snapshot, not historical):")
+for line in worktree_snapshot.splitlines():
+    print(f"  {line}")
+print("\nNOTE: worktree DELETIONS leave no on-disk record; only surviving dirs are")
+print("listed. Prune suspects: cli.py _prune_stale_worktrees (24h/72h tiers) and")
+print("the atexit _cleanup_worktree hook (removes dirty worktrees w/o unpushed commits).")
+PYEOF

bench/live-attach.sh

@@ -0,0 +1,59 @@
+#!/usr/bin/env bash
+# live-attach.sh — plug into a RUNNING hermes TUI (Ink or OpenTUI) and measure it.
+#
+#   bench/live-attach.sh <pid> [out-dir]          # sample memory+cpu until Ctrl-C
+#   bench/live-attach.sh <pid> --profile [secs]   # also grab a CPU profile window (default 30s)
+#   bench/live-attach.sh <pid> --heap             # grab a heap snapshot (large file!)
+#
+# Find your TUI pid:  pgrep -af 'dist/main.js'        (OpenTUI)
+#                     pgrep -af 'dist/entry.js'       (Ink)
+# Works on any live session — no restart, no flags needed at launch:
+# profiling uses SIGUSR1 (Node opens an inspector port on demand).
+# In-TUI complements (OpenTUI only): /mem (live stats line), /heapdump.
+set -euo pipefail
+PID="${1:?usage: live-attach.sh <pid> [outdir|--profile [secs]|--heap]}"
+shift || true
+OUT="${1:-/tmp/tui-live-$PID}"; MODE="sample"; SECS=30
+[[ "${1:-}" == "--profile" ]] && { MODE=profile; OUT="/tmp/tui-live-$PID"; SECS="${2:-30}"; }
+[[ "${1:-}" == "--heap"    ]] && { MODE=heap;    OUT="/tmp/tui-live-$PID"; }
+mkdir -p "$OUT"
+echo "target pid=$PID cmd=$(tr '\0' ' ' </proc/$PID/cmdline | cut -c1-80)"
+echo "out: $OUT"
+
+sample() {
+  local f="$OUT/samples.jsonl"
+  echo "sampling 1Hz → $f  (Ctrl-C to stop; render: node bench/live-render.mjs $OUT)"
+  local prev_cpu=0 hz; hz=$(getconf CLK_TCK)
+  while kill -0 "$PID" 2>/dev/null; do
+    local rss pss pdirty hwm cpu t
+    rss=$(awk '/^Rss:/{print $2}' /proc/$PID/smaps_rollup 2>/dev/null || echo 0)
+    pss=$(awk '/^Pss:/{print $2}' /proc/$PID/smaps_rollup 2>/dev/null || echo 0)
+    pdirty=$(awk '/^Private_Dirty:/{print $2}' /proc/$PID/smaps_rollup 2>/dev/null || echo 0)
+    hwm=$(awk '/^VmHWM:/{print $2}' /proc/$PID/status 2>/dev/null || echo 0)
+    cpu=$(awk '{print $14+$15}' /proc/$PID/stat 2>/dev/null || echo 0)
+    t=$(date +%s.%N)
+    printf '{"t":%s,"rss_kb":%s,"pss_kb":%s,"private_dirty_kb":%s,"vmhwm_kb":%s,"cpu_ticks":%s,"cpu_hz":%s}\n' \
+      "$t" "$rss" "$pss" "$pdirty" "$hwm" "$cpu" "$hz" >> "$f"
+    sleep 1
+  done
+  echo "process exited; $(wc -l <"$f") samples in $f"
+}
+
+cdp() { # open inspector on demand, find the ws url
+  kill -USR1 "$PID"; sleep 0.7
+  local port; port=$(ss -tlnp 2>/dev/null | grep "pid=$PID" | grep -oE ':(92[0-9]{2})' | head -1 | tr -d ':')
+  [[ -z "$port" ]] && port=9229
+  curl -s "http://127.0.0.1:$port/json" | grep -oE 'ws://[^"]+' | head -1
+}
+
+case "$MODE" in
+  sample) sample ;;
+  profile)
+    WS=$(cdp); echo "CDP: $WS — profiling ${SECS}s (interact with the TUI now!)"
+    node "$(dirname "$0")/live-cdp.mjs" "$WS" profile "$SECS" "$OUT/live.cpuprofile"
+    echo "→ $OUT/live.cpuprofile  (open in https://speedscope.app or chrome://inspect)" ;;
+  heap)
+    WS=$(cdp); echo "CDP: $WS — heap snapshot (may pause the TUI briefly)"
+    node "$(dirname "$0")/live-cdp.mjs" "$WS" heap 0 "$OUT/live.heapsnapshot"
+    echo "→ $OUT/live.heapsnapshot (Chrome DevTools → Memory → Load)" ;;
+esac

bench/live-cdp.mjs

@@ -0,0 +1,44 @@
+#!/usr/bin/env node
+// live-cdp.mjs — minimal CDP client for live-attach.sh (no deps; Node ws via raw socket
+// is overkill — use the built-in WebSocket of Node >=22).
+// usage: node live-cdp.mjs <ws-url> profile <secs> <out> | heap 0 <out>
+const [, , url, mode, secsArg, out] = process.argv
+const { writeFileSync, appendFileSync } = await import('node:fs')
+const ws = new WebSocket(url)
+let id = 0
+const pending = new Map()
+const send = (method, params = {}) =>
+  new Promise((res, rej) => {
+    const i = ++id
+    pending.set(i, { res, rej })
+    ws.send(JSON.stringify({ id: i, method, params }))
+  })
+const chunks = []
+ws.onmessage = e => {
+  const m = JSON.parse(e.data)
+  if (m.id && pending.has(m.id)) {
+    const { res, rej } = pending.get(m.id)
+    pending.delete(m.id)
+    m.error ? rej(new Error(m.error.message)) : res(m.result)
+  } else if (m.method === 'HeapProfiler.addHeapSnapshotChunk') chunks.push(m.params.chunk)
+}
+ws.onopen = async () => {
+  try {
+    if (mode === 'profile') {
+      await send('Profiler.enable')
+      await send('Profiler.start')
+      await new Promise(r => setTimeout(r, Number(secsArg) * 1000))
+      const { profile } = await send('Profiler.stop')
+      writeFileSync(out, JSON.stringify(profile))
+    } else {
+      await send('HeapProfiler.enable')
+      await send('HeapProfiler.takeHeapSnapshot', { reportProgress: false })
+      writeFileSync(out, chunks.join(''))
+    }
+    process.exit(0)
+  } catch (err) {
+    console.error(String(err))
+    process.exit(1)
+  }
+}
+ws.onerror = err => { console.error('ws error', err.message ?? err); process.exit(1) }

bench/live-render.mjs

@@ -0,0 +1,17 @@
+#!/usr/bin/env node
+// live-render.mjs — quick chart from live-attach samples: node bench/live-render.mjs <dir>
+import { readFileSync, writeFileSync } from 'node:fs'
+const dir = process.argv[2] ?? '.'
+const rows = readFileSync(`${dir}/samples.jsonl`, 'utf8').trim().split('\n').map(l => JSON.parse(l))
+const t0 = rows[0].t
+const pts = rows.map(r => ({ t: r.t - t0, rss: r.rss_kb / 1024, hwm: r.vmhwm_kb / 1024 }))
+const W = 900, H = 360, mt = (v, max) => H - 30 - (v / max) * (H - 60)
+const maxY = Math.max(...pts.map(p => p.hwm)) * 1.1
+const path = k => pts.map((p, i) => `${i ? 'L' : 'M'}${30 + (p.t / pts.at(-1).t) * (W - 60)},${mt(p[k], maxY)}`).join('')
+const cpu = rows.map((r, i) => i ? (r.cpu_ticks - rows[i-1].cpu_ticks) / r.cpu_hz / (r.t - rows[i-1].t) : 0)
+writeFileSync(`${dir}/live.svg`, `<svg xmlns="http://www.w3.org/2000/svg" width="${W}" height="${H}" style="background:#0d0d12">
+<text x="30" y="20" fill="#ccc" font-family="monospace">live session: RSS (gold) / VmHWM (grey) MB · avg cpu ${(cpu.reduce((a,b)=>a+b,0)/Math.max(1,cpu.length-1)*100).toFixed(1)}% · ${rows.length}s</text>
+<path d="${path('hwm')}" stroke="#888" fill="none"/><path d="${path('rss')}" stroke="#F5B820" fill="none" stroke-width="2"/>
+<text x="30" y="${H-10}" fill="#888" font-family="monospace">0s</text><text x="${W-80}" y="${H-10}" fill="#888" font-family="monospace">${Math.round(pts.at(-1).t)}s</text>
+<text x="${W-120}" y="${mt(pts.at(-1).rss,maxY)}" fill="#F5B820" font-family="monospace">${pts.at(-1).rss.toFixed(0)}MB</text></svg>`)
+console.log(`${dir}/live.svg`)

bench/package-lock.json

@@ -0,0 +1,31 @@
+{
+  "name": "@hermes/bench",
+  "version": "0.0.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "@hermes/bench",
+      "version": "0.0.0",
+      "dependencies": {
+        "node-pty": "^1.1.0"
+      }
+    },
+    "node_modules/node-addon-api": {
+      "version": "7.1.1",
+      "resolved": "https://registry.npmjs.org/node-addon-api/-/node-addon-api-7.1.1.tgz",
+      "integrity": "sha512-5m3bsyrjFWE1xf7nz7YXdN4udnVtXK6/Yfgn5qnahL6bCkf2yKt4k3nuTKAtT4r3IG8JNR2ncsIMdZuAzJjHQQ==",
+      "license": "MIT"
+    },
+    "node_modules/node-pty": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/node-pty/-/node-pty-1.1.0.tgz",
+      "integrity": "sha512-20JqtutY6JPXTUnL0ij1uad7Qe1baT46lyolh2sSENDd4sTzKZ4nmAFkeAARDKwmlLjPx6XKRlwRUxwjOy+lUg==",
+      "hasInstallScript": true,
+      "license": "MIT",
+      "dependencies": {
+        "node-addon-api": "^7.1.0"
+      }
+    }
+  }
+}

bench/package.json

@@ -0,0 +1,13 @@
+{
+  "name": "@hermes/bench",
+  "version": "0.0.0",
+  "private": true,
+  "type": "module",
+  "description": "TUI benchmark suite: Ink (ui-tui) vs OpenTUI (ui-opentui) over a real PTY with a fake gateway. Methodology: docs/plans/opentui-bench-suite.md.",
+  "scripts": {
+    "check": "node --check fake-gateway.mjs && node --check fixture-stream.mjs && node --check harness.mjs && node --check run.mjs && node --check render.mjs"
+  },
+  "dependencies": {
+    "node-pty": "^1.1.0"
+  }
+}

bench/results/2026-06-10T2043-50e3471-gate-ink-ink-r0.json

@@ -0,0 +1,393 @@
+{
+ "meta": {
+  "cell": "gate",
+  "ui": "ink",
+  "config": "ink",
+  "mode": "digest",
+  "rep": 0,
+  "run_id": "mq8jcwon-vztv",
+  "utc": "2026-06-10T20:43:15.191Z",
+  "sha": "50e34713b",
+  "node": "/home/daimon/.local/share/fnm/node-versions/v26.3.0/installation/bin/node",
+  "node_version": "v26.3.0",
+  "pty": {
+   "cols": 120,
+   "rows": 40,
+   "term": "xterm-256color"
+  },
+  "heap_mb": 8192,
+  "memory_max": null,
+  "opentui_cap": null,
+  "fixture": {
+   "path": "/home/daimon/github/worktrees/hermes-agent/lively-thrush/hermes-agent/bench/.cache/fixture-300.ndjson",
+   "msgs": 300,
+   "sha256": "ac81e975c299da7d50cfda7fc0fee33c356bd31a4e17a7f0f8e49905e205051a"
+  },
+  "sample_every": 100,
+  "mode_params": {},
+  "ui_pid": 2350535,
+  "gw_pid": 2350547,
+  "cgroup": null,
+  "load_avg_at_start": [
+   0.09,
+   0.18,
+   0.29
+  ],
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+}

bench/results/2026-06-10T2043-50e3471-gate-ink-ink-r1.json

@@ -0,0 +1,408 @@
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+}

bench/results/2026-06-10T2043-50e3471-gate-opentui-otui-capped-r0.json

@@ -0,0 +1,223 @@
+{
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+ ],
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+ "digest_text": "⚕ Hermes Agent · opentui · ready ────────────────────────────────────────────────────────────────────────────────────────────────────────────────────── $ terminal Culpa cillum commodo enim. · 3.7s (2 lines) ◇ read_file Duis veniam sed anim. · 3.8s (18 lines) ◦ edit_file Tempor ipsum cupidatat voluptate. · 3.9s (7 lines) ◦ grep Sunt esse aliquip aliqua. · 4.0s (2 lines) ● web_search Consequat minim elit mollit. · 0.1s (18 lines) ◆ write_file Eiusmod lorem occaecat reprehenderit. · 0.2s (7 lines) $ terminal Proident velit laboris magna. · 0.3s (2 lines) Minim elit mollit pariatur aute quis eiusmod lorem occaecat reprehenderit exercitation incididunt dolor. Officia fugiat consequat minim elit mollit pariatur aute quis eiusmod lorem occaecat reprehenderit exercitation. ⧉ copy ⚕ Tempor ipsum cupidatat voluptate ullamco labore sit sunt esse aliquip aliqua. Excepteur irure nostrud tempor ipsum cupidatat voluptate ullamco labore sit sunt esse. Veniam sed anim excepteur irure nostrud tempor ipsum cupidatat voluptate ullamco labore sit. - Sunt esse aliquip aliqua consectetur. - Consequat minim elit mollit pariatur aute quis. - Eiusmod lorem occaecat reprehenderit. const x4 = 58 function f3() { return x } Exercitation incididunt dolor proident velit laboris magna amet culpa cillum. Lorem occaecat reprehenderit exercitation incididunt dolor proident velit laboris magna amet. ⧉ copy ▄ ────────────────────────────────────────────────────────────────────────────────────────────────────────────────────── ● fake-model │ up: Ns │ …/lively-thrush/hermes-agent ❯ Type your message"
+}

bench/results/2026-06-10T2043-50e3471-gate-opentui-otui-capped-r1.json

@@ -0,0 +1,223 @@
+{
+ "meta": {
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+  "mode": "digest",
+  "rep": 1,
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+  "utc": "2026-06-10T20:43:59.280Z",
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+ },
+ "digest_text": "⚕ Hermes Agent · opentui · ready ────────────────────────────────────────────────────────────────────────────────────────────────────────────────────── $ terminal Culpa cillum commodo enim. · 3.7s (2 lines) ◇ read_file Duis veniam sed anim. · 3.8s (18 lines) ◦ edit_file Tempor ipsum cupidatat voluptate. · 3.9s (7 lines) ◦ grep Sunt esse aliquip aliqua. · 4.0s (2 lines) ● web_search Consequat minim elit mollit. · 0.1s (18 lines) ◆ write_file Eiusmod lorem occaecat reprehenderit. · 0.2s (7 lines) $ terminal Proident velit laboris magna. · 0.3s (2 lines) Minim elit mollit pariatur aute quis eiusmod lorem occaecat reprehenderit exercitation incididunt dolor. Officia fugiat consequat minim elit mollit pariatur aute quis eiusmod lorem occaecat reprehenderit exercitation. ⧉ copy ⚕ Tempor ipsum cupidatat voluptate ullamco labore sit sunt esse aliquip aliqua. Excepteur irure nostrud tempor ipsum cupidatat voluptate ullamco labore sit sunt esse. Veniam sed anim excepteur irure nostrud tempor ipsum cupidatat voluptate ullamco labore sit. - Sunt esse aliquip aliqua consectetur. - Consequat minim elit mollit pariatur aute quis. - Eiusmod lorem occaecat reprehenderit. const x4 = 58 function f3() { return x } Exercitation incididunt dolor proident velit laboris magna amet culpa cillum. Lorem occaecat reprehenderit exercitation incididunt dolor proident velit laboris magna amet. ⧉ copy ▄ ────────────────────────────────────────────────────────────────────────────────────────────────────────────────────── ● fake-model │ up: Ns │ …/lively-thrush/hermes-agent ❯ Type your message"
+}

bench/results/2026-06-10T2058-50e3471-mem3000-opentui-otui-capped-r0.json

@@ -0,0 +1,799 @@
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+}

bench/results/2026-06-10T2058-50e3471-mem3000-opentui-otui-uncapped-r0.json

@@ -0,0 +1,799 @@
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+  "exit": {
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+}

bench/results/2026-06-10T2059-14ee1a5-mem3000-opentui-otui-uncapped-r1.json

@@ -0,0 +1,782 @@
+{
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+  "container_memory": null,
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+   "sha256": "0df05a04a611dda68aa07865f21c45b08edc78e0a71d4c8cb2b674729778d96d"
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+ "pty_tail": "nes)⚡write_fileAliquip aliqua consectetur officias $ terminal Occaecat reprehenderit exercitation incididunt. · 1.7s (2 lines) ◇read_file Laboris magna amet culpa. · 1.8s (18 lines) ◦ edit_file Adipiscing deserunt nulla duis. · 1.9s (7 lines) ◦grep Excepteur irure nostrud tempor. · 2.0s (2 lines)●web_search Ullamco labore sit sunt. · 2.1s (18 lines)◆write_file Consectetur officia fugiat consequat. · 2.2s (7 lines) $ terminal Pariatur aute quis eiusmod. · 2.3s (2 lines) ⧉ copy ⚕ ⧉ copy $terminal Occaecat reprehenderit exercitation incididunt. · 1.7s (2 lines) ◇read_file Laboris magna amet culpa. · 1.8s (18 lines) ◦edit_file Adipiscing deserunt nulla duis. · 1.9s (7 lines) ◦grep Excepteur irure nostrud tempor. · 2.0s (2 lines) ●web_search Ullamco labore sit sunt. · 2.1s (18 lines) ◆write_file Consectetur officia fugiat consequat. · 2.2s (7 lines) $terminal Pariatur aute quis eiusmod. · 2.3s (2 lines) ⧉ copy ⚕ - - - const x2 = 97function f2() { return x}⧉ copy●6⧉ copy ⚕ ⧉ copy ⚕ ⧉ copy⚕▍ ◐⚕ - - - const x6 = 57function f2() { return x}⧉ copy⚕ - - - const x0 = 58function f3() { return x}⧉ copy⚕ ▼ Thinking: Veniam sed anim│ │ ◇read_file Aute quis eiusmod lorem. · 2.4s (18 lines) ◦edit_file Incididunt dolor proident velit. · 2.5s (7 lines) ◦grep Culpa cillum commodo enim. · 2.6s (2 lines) ● web_search Duis veniam sed anim. · 2.7s (18 lines) ◆ write_file Tempor ipsum cupidatat voluptate. · 2.8s (7 lines) $terminal Sunt esse aliquip aliqua. · 2.9s (2 lines) ◇ read_file Consequat minim elit mollit. · 3.0s (18 lines) ◦edit_file Eiusmod lorem occaecat reprehenderit. · 3.1s (7 lines) ⧉ copy ⚕ 7◇read_file Aute quis eiusmod lorem. · 2.4s (18 lines) ◦edit_file Incididunt dolor proident velit. · 2.5s (7 lines) ◦grep Culpa cillum commodo enim. · 2.6s (2 lines) ●web_search Duis veniam sed anim. · 2.7s (18 lines) ◆write_file Tempor ipsum cupidatat voluptate. · 2.8s (7 lines) $terminal Sunt esse aliquip aliqua. · 2.9s (2 lines) ◇read_file Consequat minim elit mollit. · 3.0s (18 lines) ◦edit_file Eiusmod lorem occaecat reprehenderit. · 3.1s (7 lines) ⧉ copy ⚕ - - - const x0 = 21function f1() { return x}⧉ copy● ⧉ copy ⚕ ◦ edit_file Occaecat reprehenderit exercitation incididunt. · 0.5s (7 lines) ◦grep Laboris magna amet culpa. · 0.6s (2 lines) ⚡web_search Adipiscing deserunt nulla duis. · 0s◐- - - const x6 = 83function f3() { return x}Occaecat reprehenderit exercitation incididunt dolor proident velit laboris magna amet culpa cillum commodo enim. Quis eiusmod lorem occaecat reprehenderit exercitation. Mollit pariatur aute quis eiusmod lorem occaecat.- Laboris magna amet culpa cillum.- Adipiscing deserunt nulla duis veniam sed anim.- Excepteur irure nostrud tempor.Ipsum cupidatat voluptate ullamco labore sit sunt esse aliquip aliqua consectetur officia fugiat. Irure nostrud tempor ipsum cupidatat voluptate ullamco labore sit sunt esse aliquip aliqua consectetur.● web_search.7s (18 lines)9file:///home/daimon/github/worktrees/hermes-agent/lively-thrush/hermes-agent/ui-opentui/node_modules/@opentui/core/index-59t85rvq.js:14915\n throw new Error(`Failed to create optimized buffer: ${width}x${height}`);\n ^\nError: Failed to create optimized buffer: 120x12\n at FFIRenderLib.createOptimizedBuffer (file:///home/daimon/github/worktrees/hermes-agent/lively-thrush/hermes-agent/ui-opentui/node_modules/@opentui/core/index-59t85rvq.js:14915:13)\n at OptimizedBuffer.create (file:///home/daimon/github/worktrees/hermes-agent/lively-thrush/hermes-agent/ui-opentui/node_modules/@opentui/core/index-59t85rvq.js:11918:24)\n at TerminalConsole.show (file:///home/daimon/github/worktrees/hermes-agent/lively-thrush/hermes-agent/ui-opentui/node_modules/@opentui/core/index-59t85rvq.js:21058:44)\n at CliRenderer.<anonymous> (file:///home/daimon/github/worktrees/hermes-agent/lively-thrush/hermes-agent/ui-opentui/node_modules/@opentui/core/index-59t85rvq.js:23222:20)\n at process.emit (node:events:509:20)\n at process._fatalException (node:internal/process/execution:190:32)\nNode.js v26.3.0"
+}

bench/results/2026-06-10T2059-197d499-mem3000-opentui-otui-capped-r1.json

@@ -0,0 +1,765 @@
+{
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+  "utc": "2026-06-10T20:59:59.356Z",
+  "sha": "50e34713b",
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+  "node_version": "v26.3.0",
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+  "container_memory": null,
+  "opentui_cap": 3000,
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+   "sha256": "0df05a04a611dda68aa07865f21c45b08edc78e0a71d4c8cb2b674729778d96d"
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+  "ui_pid": 2369510,
+  "gw_pid": 2369523,
+  "cgroup": "/sys/fs/cgroup/user.slice/user-1001.slice/session-7349.scope",
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+   0.47
+  ],
+  "instrumented": false
+ },
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bench/results/2026-06-10T2100-197d499-mem3000-opentui-otui-capped-r2.json

@@ -0,0 +1,782 @@
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+ },
+ "pty_tail": " commodo enim adipiscing.- Duis veniam sed anim excepteur irure nostrud.- Tempor ipsum cupidatat voluptate.Ullamco labore sit sunt esse aliquip aliqua consectetur. Ipsum cupidatat voluptate ullamco labore sit sunt esse aliquip.⚡terminal Incididunt dolor proident velit. · 0s◐Thought: Proident velit laboris ⧉ copy ⚕ ◦ edit_file Sed anim excepteu rure. · 13s (7 lines) - - - const x2 = 90function f0() { return x}⧉ copy⚕Sed anim excepteur irure nostrud tempor ipsum cupidatat voluptate ullamco labore. Nulla duis veniam sed anim excepteur irure nostrud tempor ipsum cupidatat voluptate. Enim adipiscing deserunt nulla duis veniam sed anim excepteur irure nostrud tempor ipsum.- Cupidatat voluptate ullamco labore sit.- Aliquip aliqua consectetur officia fugiat consequat minim.- Elit mollit pariatur aute.Quis eiusmod lorem occaecat reprehenderit exercitation incididunt dolor proident velit. Mollit pariatur aute quis eiusmod lorem occaecat reprehenderit exercitation incididunt dolor.◦edit_file Sed anim excepteur irure. · 1.3s (7 lines)⚡grep Cupidatat voluptate ullamco labore. ·0s 6 ⧉ copy⚕ ◦edit_file Nulla duis veniam sed. · 3.3s (7 lines) ◦ grep Nostrud tempor ipsum cupidatat. · 3.4s (2 lines) ●web_search Sit sunt esse aliquip. · 3.5s (18 lines) - const x0 = 51function f1() { return x}⧉ copy⚕ ⧉ copy◦edit_file Nulla duis veniam sed. · 3.3s (7 lines) ◦grep Nostrud tempor ipsum cupidatat. · 3.4s (2 lines) ●web_search Sit sunt esse aliquip. · 3.5s (18 lines) ⧉ copy● ⧉ copy ⚕ ▼ Thinking: Mollit pariatur aute ││ $terminal Mollit pariatur aute quis. · 1.7s (2 lines) ◇ read_file Reprehenderit exercitation incididunt dolor. · 1.8s (18 lines)Magnametculp cillum. · 1.9s (7 lines)Deent nulladuis veniam. · 2.0s (2lines) Irure ostrudtempor ipsum. ·2.s (18 lines)◆write_file Labore sit sunt esse. · 2.2s (7 lines) $ terminal Officia fugiat consequat minim. · 2.3s (2 lines)◐7⚕▼Thinking: Mollit pariatur aute │ Labore sit sunt esse aliquip aliqua consectetur officia fugiat consequat minim elit mollit pariatur. │Cupidatat voluptate ullamco labore sit sunt. Mollit pariatur aute quis eiusmod lorem occaecat reprehenderit exercitation. - Reprehenderit exercitation incididunt dolor proident.- Magna amet culpa cillum commodo enim adipiscing.- Deserunt nulla duis veniam.Sed anim excepteur irure nostrud tempor ipsum cupidatat. Nulla duis veniam sed anim excepteur irure nostrud tempor.$terminal Mollit pariatur aute quis. · 1.7s (2 lines)◇read_file Reprehenderit exercitation incididunt dolor. · 1.8s (18 lines) ◦edit_file Magna amet culpa cillum. · 1.9s (7 lines) ◦grep Deserunt nulla duis veniam. · 2.0s (2 lines) ●web_search Irure nostrud tempor ipsum. · 2.1s (18 lines) ◆write_file Labore sit sunt esse. · 2.2s (7 lines) $terminal Officia fugiat consequat minim. · 2.3s (2 lines) ⧉ copy ⚕ ⧉ copy ⚕ ⧉ copy ⚕ - - - const x4 = 74function f4() { return x}⧉ copy ⚕ - - - const x5 = 75function f0() { return x}⧉ copy●9file:///home/daimon/github/worktrees/hermes-agent/lively-thrush/hermes-agent/ui-opentui/node_modules/@opentui/core/index-59t85rvq.js:14915\n throw new Error(`Failed to create optimized buffer: ${width}x${height}`);\n ^\nError: Failed to create optimized buffer: 120x12\n at FFIRenderLib.createOptimizedBuffer (file:///home/daimon/github/worktrees/hermes-agent/lively-thrush/hermes-agent/ui-opentui/node_modules/@opentui/core/index-59t85rvq.js:14915:13)\n at OptimizedBuffer.create (file:///home/daimon/github/worktrees/hermes-agent/lively-thrush/hermes-agent/ui-opentui/node_modules/@opentui/core/index-59t85rvq.js:11918:24)\n at TerminalConsole.show (file:///home/daimon/github/worktrees/hermes-agent/lively-thrush/hermes-agent/ui-opentui/node_modules/@opentui/core/index-59t85rvq.js:21058:44)\n at CliRenderer.<anonymous> (file:///home/daimon/github/worktrees/hermes-agent/lively-thrush/hermes-agent/ui-opentui/node_modules/@opentui/core/index-59t85rvq.js:23222:20)\n at process.emit (node:events:509:20)\n at process._fatalException (node:internal/process/execution:190:32)\nNode.js v26.3.0"
+}

bench/results/2026-06-10T2100-197d499-mem3000-opentui-otui-uncapped-r2.json

@@ -0,0 +1,816 @@
+{
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+  "mode": "mem",
+  "rep": 2,
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+  "utc": "2026-06-10T21:00:39.779Z",
+  "sha": "50e34713b",
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+  "node_version": "v26.3.0",
+  "pty": {
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+   "term": "xterm-256color"
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+  "memory_max": "2G",
+  "container_cap": false,
+  "container_memory": null,
+  "opentui_cap": 100000,
+  "fixture": {
+   "path": "/home/daimon/github/worktrees/hermes-agent/lively-thrush/hermes-agent/bench/.cache/fixture-3000.ndjson",
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+   "sha256": "0df05a04a611dda68aa07865f21c45b08edc78e0a71d4c8cb2b674729778d96d"
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+  "ui_pid": 2370298,
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+ },
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+   "events": 1051,
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+   "pty_writes": 13,
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+ "pty_tail": "at consequat. Voluptate ullamco labore sit sunt esse aliquip aliqua consectetur officia. - Elit mollit pariatur aute quis.- Occaecat reprehenderit exercitation incididunt dolor proident velit.- Laboris magna amet culpa.Cillum commodo enim adipiscing deserunt nulla duis. Magna amet culpa cillum commodo enim adipiscing deserunt.◦edit_file Aliquip aliqua consectetur officia. · 2.9s (7 lines)⚡grep Elitmollit pratur aut. · 0s ⧉ copy ⚕ ◦edit_file Sit sunt esse aliquip. · 0.9s (7 lines) ◦ grep Fugiat consequat minim elit. · 1.0s (2 lines) ●web_search Quis eiusmod lorem occaecat. · 1.1s (18 lines)◆write_file Dolor proident velit laboris. · 1.2s (7 lines)$terminal Cillum commodo enim adipiscing. · 1.3s (2 lines) ◇ read_file Veniam sed anim excepteur. · 1.4s (18 lines) Ipsum cupidatt volupae ullamo. · 1.5s (7 lines) ◦ grepssealiquip lqua consctetur. · 1.6s (2 lines)⧉ copy⚕Sit sunt esse aliquip aliqua consectetur officia fugiat consequat minim elit mollit pariatur aute. Voluptate ullamco labore sit sunt esse. Tempor ipsum cupidatat voluptate ullamco labore sit. - Fugiat consequat minim elit mollit.- Quis eiusmod lorem occaecat reprehenderit exercitation incididunt.- Dolor proident velit laboris.Magna amet culpa cillum commodo enim adipiscing deserunt nulla duis veniam sed anim. Proident velit laboris magna amet culpa cillum commodo enim adipiscing deserunt nulla duis veniam.◦edit_file Sit sunt esse aliquip. · 0.9s (7 lines)grep Fugiat consequat minim elit. · 1.0s (2 lines)●web_search Quis ismod lorem occaecat ·1.1s (18 lines)◆rite_fileDolor proident vlit lboris. · 1.2s (7$terminal Cillum commoo enim adipiscing32◇rad_fie Veniam sed anim excepteur. · 1.4s (18lines) ◦editIpsum cupidtatvoluate ullamco.· 1.5s (7 lines)grep Essealiquip aliqu conseceur. · 1.6s (2 lines) ⚡web_search Mnim elit mollit pariatur. · 0s 10s │ …/lively-thrush/hermes-agent ⧉ copy ◦ edit_file Voluptate ullamco labore sit. · 2.9s (7 lines) ◦grep Aliqua consectetur officia fugiat. · 3.0s (2 lines) ●web_search Mollit pariatur aute quis. · 3.1s (18 lines) ◆write_file Reprehenderit exercitation incididunt dolor. · 3.2s (7 lines) $terminal Magna amet culpa cillum. · 3.3s (2 lines) ◇read_file Deserunt nulla duis veniam. · 3.4s (18 lines) ◦edit_file Irure nostrud tempor ipsum. · 3.5s (7 lines) ◦grep Labore sit sunt esse. · 3.6s (2 lines) ●web_search Officia fugiat consequat minim. · 3.7s (18 lines) ⧉ copy ●- - const x3 = 8function f3() { return x}⧉ copy ◦ edit_file Voluptate ullamco labore sit. · 2.9s (7 lines)grep Aliqua consectetur officia fugia302●web_search Mollit pariatur auteqis. ·3.1s (18 lines) ◆rite_fileReprehenderi exercitatonincididunt door. · 3.2s (7 lines)$terminal Magna amt culpa cillum. · 3.3s (2 lines) ◇rad_fie Deserunt nula dus veniam. · 3.4s (18 lines)◦editIrure ostrud tempor ipsu57 lines) grep Labore sitsun esse. · 3.6 (2lines) ●web_search Officia fugiat consequatminim. · 3.7s (18 lines) ⧉ copy⚕▍ ◐file:///home/daimon/github/worktrees/hermes-agent/lively-thrush/hermes-agent/ui-opentui/node_modules/@opentui/core/index-59t85rvq.js:14915\n throw new Error(`Failed to create optimized buffer: ${width}x${height}`);\n ^\nError: Failed to create optimized buffer: 120x12\n at FFIRenderLib.createOptimizedBuffer (file:///home/daimon/github/worktrees/hermes-agent/lively-thrush/hermes-agent/ui-opentui/node_modules/@opentui/core/index-59t85rvq.js:14915:13)\n at OptimizedBuffer.create (file:///home/daimon/github/worktrees/hermes-agent/lively-thrush/hermes-agent/ui-opentui/node_modules/@opentui/core/index-59t85rvq.js:11918:24)\n at TerminalConsole.show (file:///home/daimon/github/worktrees/hermes-agent/lively-thrush/hermes-agent/ui-opentui/node_modules/@opentui/core/index-59t85rvq.js:21058:44)\n at CliRenderer.<anonymous> (file:///home/daimon/github/worktrees/hermes-agent/lively-thrush/hermes-agent/ui-opentui/node_modules/@opentui/core/index-59t85rvq.js:23222:20)\n at process.emit (node:events:509:20)\n at process._fatalException (node:internal/process/execution:190:32)\nNode.js v26.3.0"
+}

bench/results/2026-06-10T2103-197d499-startup-ink-ink-r0.json

@@ -0,0 +1,162 @@
+{
+ "meta": {
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+  "ui": "ink",
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+  "rep": 0,
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+  "sha": "197d49948",
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+  "node_version": "v26.3.0",
+  "pty": {
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+   "rows": 40,
+   "term": "xterm-256color"
+  },
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+  "container_memory": null,
+  "opentui_cap": null,
+  "fixture": {
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+   "msgs": 0,
+   "sha256": ""
+  },
+  "sample_every": 100,
+  "mode_params": {},
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+ },
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+  },
+  {
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+  }
+ ],
+ "events": [
+  {
+   "kind": "rpc",
+   "method": "config.get",
+   "t_ms": 176
+  },
+  {
+   "kind": "rpc",
+   "method": "commands.catalog",
+   "t_ms": 201
+  },
+  {
+   "kind": "rpc",
+   "method": "config.get",
+   "t_ms": 201
+  },
+  {
+   "kind": "rpc",
+   "method": "setup.status",
+   "t_ms": 201
+  },
+  {
+   "kind": "rpc",
+   "method": "config.get",
+   "t_ms": 201
+  },
+  {
+   "kind": "rpc",
+   "method": "session.create",
+   "t_ms": 227
+  },
+  {
+   "kind": "rpc",
+   "method": "config.get",
+   "t_ms": 227
+  },
+  {
+   "kind": "rpc",
+   "method": "config.get",
+   "t_ms": 227
+  },
+  {
+   "kind": "rpc",
+   "method": "config.get",
+   "t_ms": 227
+  },
+  {
+   "kind": "rpc",
+   "method": "config.get",
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+  },
+  {
+   "kind": "rpc",
+   "method": "session.active_list",
+   "t_ms": 227
+  },
+  {
+   "kind": "rpc",
+   "method": "config.get",
+   "t_ms": 227
+  },
+  {
+   "kind": "rpc",
+   "method": "config.get",
+   "t_ms": 227
+  }
+ ],
+ "summary": {
+  "result": "completed",
+  "cap_hit": false,
+  "cap_hit_basis": null,
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+  "exit": {
+   "exitCode": 0,
+   "signal": 0,
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+  "stream_done": false,
+  "msgs_streamed": 0,
+  "events_streamed": null,
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+  "stream_start_ms": null,
+  "vmhwm_kb": 108996,
+  "cg_peak": null,
+  "drain_max_loop_lag_ms": 1,
+  "drain_lag_violations": 0,
+  "drain_ok": true,
+  "digest": null
+ }
+}

bench/results/2026-06-10T2103-197d499-startup-ink-ink-r1.json

@@ -0,0 +1,157 @@
+{
+ "meta": {
+  "cell": "startup",
+  "ui": "ink",
+  "config": "ink",
+  "mode": "startup",
+  "rep": 1,
+  "run_id": "mq8k3k0d-8lb5",
+  "utc": "2026-06-10T21:03:58.478Z",
+  "sha": "197d49948",
+  "node": "/home/daimon/.local/share/fnm/node-versions/v26.3.0/installation/bin/node",
+  "node_version": "v26.3.0",
+  "pty": {
+   "cols": 120,
+   "rows": 40,
+   "term": "xterm-256color"
+  },
+  "heap_mb": 8192,
+  "memory_max": null,
+  "container_cap": false,
+  "container_memory": null,
+  "opentui_cap": null,
+  "fixture": {
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+   "msgs": 0,
+   "sha256": ""
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+   "method": "setup.status",
+   "t_ms": 202
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+   "method": "session.create",
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+ ],
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+  "result": "completed",
+  "cap_hit": false,
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+  "exit": {
+   "exitCode": 0,
+   "signal": 0,
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+  "drain_ok": true,
+  "digest": null
+ }
+}

bench/results/2026-06-10T2103-197d499-startup-opentui-otui-capped-r0.json

@@ -0,0 +1,126 @@
+{
+ "meta": {
+  "cell": "startup",
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+  "config": "otui-capped",
+  "mode": "startup",
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+  "utc": "2026-06-10T21:03:35.811Z",
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+  "node_version": "v26.3.0",
+  "pty": {
+   "cols": 120,
+   "rows": 40,
+   "term": "xterm-256color"
+  },
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+  "container_memory": null,
+  "opentui_cap": 3000,
+  "fixture": {
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+   "msgs": 0,
+   "sha256": ""
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+  "mode_params": {},
+  "ui_pid": 2373543,
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+  "cgroup": null,
+  "load_avg_at_start": [
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+ },
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+   "stime_ticks": 2
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+  {
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+   "msgs": 0,
+   "events": 0,
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+  }
+ ],
+ "events": [
+  {
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+   "method": "session.create",
+   "t_ms": 176
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+  {
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+   "method": "model.options",
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+ ],
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+  "drain_ok": true,
+  "digest": null
+ }
+}

bench/results/2026-06-10T2103-197d499-startup-opentui-otui-capped-r1.json

@@ -0,0 +1,126 @@
+{
+ "meta": {
+  "cell": "startup",
+  "ui": "opentui",
+  "config": "otui-capped",
+  "mode": "startup",
+  "rep": 1,
+  "run_id": "mq8k3b9i-cl30",
+  "utc": "2026-06-10T21:03:47.143Z",
+  "sha": "197d49948",
+  "node": "/home/daimon/.local/share/fnm/node-versions/v26.3.0/installation/bin/node",
+  "node_version": "v26.3.0",
+  "pty": {
+   "cols": 120,
+   "rows": 40,
+   "term": "xterm-256color"
+  },
+  "heap_mb": 8192,
+  "memory_max": null,
+  "container_cap": false,
+  "container_memory": null,
+  "opentui_cap": 3000,
+  "fixture": {
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+   "msgs": 0,
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+ "samples": [
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+   "pty_writes": 0,
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+   "stime_ticks": 1
+  },
+  {
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+   "t_ms": 1142,
+   "msgs": 0,
+   "events": 0,
+   "pty_bytes": 28911,
+   "pty_writes": 14,
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+   "vmhwm_kb": 108848,
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+   "stime_ticks": 3
+  }
+ ],
+ "events": [
+  {
+   "kind": "rpc",
+   "method": "session.create",
+   "t_ms": 175
+  },
+  {
+   "kind": "rpc",
+   "method": "startup.catalog",
+   "t_ms": 175
+  },
+  {
+   "kind": "rpc",
+   "method": "model.options",
+   "t_ms": 175
+  }
+ ],
+ "summary": {
+  "result": "completed",
+  "cap_hit": false,
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+  "exit": {
+   "exitCode": 0,
+   "signal": 0,
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+  },
+  "stream_done": false,
+  "msgs_streamed": 0,
+  "events_streamed": null,
+  "pty_bytes_total": 29189,
+  "pty_data_callbacks": 18,
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+  "drain_lag_violations": 0,
+  "drain_ok": true,
+  "digest": null
+ }
+}

bench/results/2026-06-10T2104-197d499-startup-ink-ink-r2.json

@@ -0,0 +1,157 @@
+{
+ "meta": {
+  "cell": "startup",
+  "ui": "ink",
+  "config": "ink",
+  "mode": "startup",
+  "rep": 2,
+  "run_id": "mq8k3ski-br6m",
+  "utc": "2026-06-10T21:04:09.570Z",
+  "sha": "197d49948",
+  "node": "/home/daimon/.local/share/fnm/node-versions/v26.3.0/installation/bin/node",
+  "node_version": "v26.3.0",
+  "pty": {
+   "cols": 120,
+   "rows": 40,
+   "term": "xterm-256color"
+  },
+  "heap_mb": 8192,
+  "memory_max": null,
+  "container_cap": false,
+  "container_memory": null,
+  "opentui_cap": null,
+  "fixture": {
+   "path": "",
+   "msgs": 0,
+   "sha256": ""
+  },
+  "sample_every": 100,
+  "mode_params": {},
+  "ui_pid": 2374304,
+  "gw_pid": 2374312,
+  "cgroup": null,
+  "load_avg_at_start": [
+   0.36,
+   0.51,
+   0.46
+  ],
+  "instrumented": false
+ },
+ "samples": [
+  {
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+   "t_ms": 27,
+   "msgs": null,
+   "events": null,
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bench/results/2026-06-10T2104-197d499-startup-ink-ink-r3.json

@@ -0,0 +1,157 @@
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bench/results/2026-06-10T2104-197d499-startup-ink-ink-r4.json

@@ -0,0 +1,157 @@
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bench/results/2026-06-10T2104-197d499-startup-opentui-otui-capped-r2.json

@@ -0,0 +1,126 @@
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bench/results/2026-06-10T2104-197d499-startup-opentui-otui-capped-r3.json

@@ -0,0 +1,126 @@
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bench/results/2026-06-10T2105-197d499-startup-ink-ink-r5.json

@@ -0,0 +1,157 @@
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bench/results/2026-06-10T2105-197d499-startup-ink-ink-r6.json

@@ -0,0 +1,162 @@
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bench/results/2026-06-10T2105-197d499-startup-opentui-otui-capped-r4.json

@@ -0,0 +1,126 @@
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bench/results/2026-06-10T2105-197d499-startup-opentui-otui-capped-r5.json

@@ -0,0 +1,126 @@
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+}

bench/results/2026-06-10T2105-197d499-startup-opentui-otui-capped-r6.json

@@ -0,0 +1,126 @@
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+}

bench/results/2026-06-10T2106-197d499-startup-ink-ink-r7.json

@@ -0,0 +1,157 @@
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+}

bench/results/2026-06-10T2106-197d499-startup-ink-ink-r8.json

@@ -0,0 +1,157 @@
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bench/results/2026-06-10T2106-197d499-startup-ink-ink-r9.json

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bench/results/2026-06-10T2106-197d499-startup-opentui-otui-capped-r7.json

@@ -0,0 +1,126 @@
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bench/results/2026-06-10T2106-197d499-startup-opentui-otui-capped-r8.json

@@ -0,0 +1,126 @@
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bench/results/2026-06-10T2106-197d499-startup-opentui-otui-capped-r9.json

@@ -0,0 +1,126 @@
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bench/results/2026-06-10T2146-197d499-slope10000-opentui-otui-uncapped-r0.json

@@ -0,0 +1,731 @@
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+ "pty_tail": "sed anim excepteur irure.- Ipsum cupidatat voluptate ullamco labore sit sunt.- Esse aliquip aliqua consectetur.Officia fugiat consequat minim elit mollit pariatur aute quis eiusmod lorem occaecat. Aliquip aliqua consectetur officia fugiat consequat minim elit mollit pariatur aute quis eiusmod.◇ read_file2.4s (18 lines)4 ⧉ copy⚕▼Thinking: Magna amet culpa │ │ $trminl Magna aet culpacillum. · 2.9s (2lines) ◇read_file Deserunt nulla duis veniam3018 lines)◦edit_fie Irre nostrud tempor ipsum. · 31s (7 lines) ⚡grep Labore it sunt esse. ·0s ◦edit_file Excepteur irure nostrud tempor. · 2.5s (7 lines) ◦grep Ullamco labore sit sunt. · 2.6s (2 lines)●web_search Consectetur officia fugiat consequat. · 2.7s (18 lines)◆write_file Pariatur aute quis eiusmod. · 2.8s (7 lines)$terminal Exercitation incididunt dolor proident. · 2.9s (2 lines)◇read_file Amet culpa cillum commodo. · 3.0s (18 lines)◦edit_file Nulla duis veniam sed. · 3.1s (7 lines)◦grep Nostrud tempor ipsum cupidatat. · 3.2s (2 lines)●web_search Sit sunt esse aliquip. · 3.3s (18 lines)◆write_file Fugit consequat minimelit ·3.4s (7 lines)$trmina Qui eiusmod orem occaect52 lines) ◇readDolorproident velitlaboris. · 3.6s (18 lines)edit_file Cillum commodo enimadipiscing. · 0sLorem occaecat reprehenderit exercitation incididunt dolor proident. Aute quis eiusmod lorem occaecat reprehenderitexercitation incididunt.◦ edit_file3.7s (7 lines)5◦edit_file Velit laboris magna amet. · 0.5s (7 lines)◦grep Enim adipiscing deserunt nulla. · 0.6s (2 lines)●web_search Anim excepteur irure nostrud. · 0.7s (18 lines) ◆ write_file Voluptate ullamco labore sit. · 0.8s (7 lines) $terminal Aliqua consectetur officia fugiat. · 0.9s (2 lines) ◇read_file Mollit pariatur aute quis. · 1.0s (18 lines) ◦edit_file Reprehenderit exercitation incididunt dolor. · 1.1s (7 lines) ⧉ copy ⚕ ⧉ copy ⚕▍ ●web_search Duis veniam sed anim. · 2.7s (18 lines) ◆write_file Tempor ipsum cupidatat voluptate. · 2.8s (7 lines) $terminal Sunt esse aliquip aliqua. · 2.9s (2 lines) ◇read_file Consequat minim elit mollit. · 3.0s (18 lines) ◦edit_file Eiusmod lorem occaecat reprehenderit. · 3.1s (7 lines) ◦grep Proident velit laboris magna. · 3.2s (2 lines) ●web_search Commodo enim adipiscing deserunt. · 3.3s (18 lines)◆write_file Sed anim excepteur irure. · 3.4s (7 lines) $terminal Cupidatat voluptate ullamco labore. · 3.5s (2 lines) ◇read_file Aliquip aliqua consectetur officia. · 3.6s (18 lines)◦edit_file Elit mollit pariatur aute. · 3.7s (7 lines)◦grep Occaecat reprehenderit exercitation incididunt. · 3.8s (2 lines)●web_search Laboris magna amet culpa. · 3.9s (18 lines)⧉ copy⚕ ▼ Thinking: Culpa cillum commodo│ │ ⧉ copy $terminal Ullamco labore sit sunt. · 0.9s (2 lines) ◇read_file Consectetur officia fugiat consequat. · 1.0s (18 lines) ◦edit_file Pariatur aute quis eiusmod. · 1.1s (7 lines) ◦grep Exercitation incididunt dolor proident. · 1.2s (2 lines) ⧉ copy ⚕ ⧉ copy ⚕▍ 6file:///home/daimon/github/worktrees/hermes-agent/lively-thrush/hermes-agent/ui-opentui/node_modules/@opentui/core/index-59t85rvq.js:14915\n throw new Error(`Failed to create optimized buffer: ${width}x${height}`);\n ^\nError: Failed to create optimized buffer: 120x12\n at FFIRenderLib.createOptimizedBuffer (file:///home/daimon/github/worktrees/hermes-agent/lively-thrush/hermes-agent/ui-opentui/node_modules/@opentui/core/index-59t85rvq.js:14915:13)\n at OptimizedBuffer.create (file:///home/daimon/github/worktrees/hermes-agent/lively-thrush/hermes-agent/ui-opentui/node_modules/@opentui/core/index-59t85rvq.js:11918:24)\n at TerminalConsole.show (file:///home/daimon/github/worktrees/hermes-agent/lively-thrush/hermes-agent/ui-opentui/node_modules/@opentui/core/index-59t85rvq.js:21058:44)\n at CliRenderer.<anonymous> (file:///home/daimon/github/worktrees/hermes-agent/lively-thrush/hermes-agent/ui-opentui/node_modules/@opentui/core/index-59t85rvq.js:23222:20)\n at process.emit (node:events:509:20)\n at process._fatalException (node:internal/process/execution:190:32)\nNode.js v26.3.0"
+}

bench/results/2026-06-10T2147-e3-e3lite-1g-opentui-otui-capped-r0.json

@@ -0,0 +1,765 @@
+{
+ "meta": {
+  "cell": "e3lite-1g",
+  "ui": "opentui",
+  "config": "otui-capped",
+  "mode": "mem",
+  "rep": 0,
+  "run_id": "mq8lnkne-0zb9",
+  "utc": "2026-06-10T21:47:32.042Z",
+  "sha": "unknown",
+  "node": "/usr/local/bin/node",
+  "node_version": "v26.3.0",
+  "pty": {
+   "cols": 120,
+   "rows": 40,
+   "term": "xterm-256color"
+  },
+  "heap_mb": 768,
+  "memory_max": null,
+  "container_cap": true,
+  "container_memory": "1073741824",
+  "opentui_cap": 3000,
+  "fixture": {
+   "path": "/repo/bench/.cache/fixture-10000.ndjson",
+   "msgs": 10000,
+   "sha256": "b179faf495f676f611bd0910991927bb78059a7bffb162b1b86dcc617b973b3d"
+  },
+  "sample_every": 100,
+  "mode_params": {},
+  "ui_pid": 38,
+  "gw_pid": 47,
+  "cgroup": "/sys/fs/cgroup",
+  "load_avg_at_start": [
+   0.44,
+   0.25,
+   0.34
+  ],
+  "instrumented": false
+ },
+ "samples": [
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+  },
+  {
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+}

bench/results/2026-06-10T2236-a939c9a-mem3000-opentui-otui-capped-r0.json

@@ -0,0 +1,832 @@
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+}

bench/results/2026-06-10T2237-a939c9a-mem3000-opentui-otui-uncapped-r0.json

@@ -0,0 +1,849 @@
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+}

bench/results/2026-06-11T0237-805e080-gate-ink-ink-r0.json

@@ -0,0 +1,405 @@
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+}

bench/results/2026-06-11T0237-805e080-gate-ink-ink-r1.json

@@ -0,0 +1,405 @@
+{
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+}

bench/results/2026-06-11T0238-805e080-gate-opentui-otui-capped-r0.json

@@ -0,0 +1,225 @@
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+}

bench/results/2026-06-11T0238-805e080-gate-opentui-otui-capped-r1.json

@@ -0,0 +1,225 @@
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+}

bench/results/2026-06-11T0238-805e080-mem100-ink-ink-r0.json

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bench/results/2026-06-11T0238-805e080-mem100-opentui-otui-capped-r0.json

@@ -0,0 +1,203 @@
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bench/results/2026-06-11T0239-805e080-mem100-ink-ink-r1.json

@@ -0,0 +1,298 @@
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bench/results/2026-06-11T0239-805e080-mem100-opentui-otui-capped-r1.json

@@ -0,0 +1,203 @@
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bench/results/2026-06-11T0239-805e080-mem300-ink-ink-r0.json

@@ -0,0 +1,350 @@
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