Inspired by Perplexity Computer: sessions pin/unpin/pinned CLI (#52955)

Perplexity Computer's July update let its agent manage sessions
conversationally from any surface — pin, archive, rename, fork — treating
session organization as operational infrastructure rather than a GUI
nicety. Hermes already has the durable pinned flag in state.db (Desktop
sidebar writes it; auto-archive honors it), but no CLI access existed:
GUI-only management was a single point of failure and blocked scripting
(issue #52955).

- hermes sessions pin <id...> / unpin <id...>: set/clear the durable keep
  flag via SessionDB.set_session_pinned (whole compression lineage,
  prefix resolution, multi-id, exit 1 on any miss)
- hermes sessions pinned [--json]: list all pinned conversations via the
  include_pinned back-fill (old pins can't fall off a paging window);
  --json enables backup/restore scripting
- docs: user-guide/sessions.md section
- tests: 6 tests covering prefix resolution, multi-id partial failure,
  pinned-only filtering, JSON shape, empty hint
This commit is contained in:
Teknium
2026-08-06 20:51:42 -07:00
parent 07a5179158
commit 35598d8e8e
4 changed files with 253 additions and 0 deletions
+30
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@@ -13311,6 +13311,36 @@ def main():
sessions_rename.add_argument("session_id", help="Session ID to rename")
sessions_rename.add_argument("title", nargs="+", help="New title for the session")
sessions_pin = sessions_subparsers.add_parser(
"pin",
help="Pin session(s) — durable keep flag, exempt from auto-archive",
description=(
"Set the durable 'keep' flag on one or more sessions. Pinned "
"sessions are exempt from the sessions.auto_archive stale sweep "
"and always appear in listings. The same flag drives the Desktop "
"sidebar's Pinned section — pin from either surface, both see it."
),
)
sessions_pin.add_argument(
"session_ids", nargs="+", help="Session ID(s) or unique prefix(es) to pin"
)
sessions_unpin = sessions_subparsers.add_parser(
"unpin", help="Remove the pin (durable keep flag) from session(s)"
)
sessions_unpin.add_argument(
"session_ids", nargs="+", help="Session ID(s) or unique prefix(es) to unpin"
)
sessions_pinned = sessions_subparsers.add_parser(
"pinned", help="List pinned sessions"
)
sessions_pinned.add_argument(
"--json",
action="store_true",
help="Emit machine-readable JSON (for backup/restore scripting)",
)
sessions_retitle = sessions_subparsers.add_parser(
"retitle-skills",
help="Re-title sessions whose auto-title came from a /skill's own text",
+63
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@@ -1023,6 +1023,69 @@ def cmd_sessions(args, sessions_parser=None):
except ValueError as e:
print(f"Error: {e}")
elif action in ("pin", "unpin"):
# CLI surface for the durable "keep" flag (issue #52955). Pinned
# sessions are exempt from the sessions.auto_archive stale sweep and
# always surface in listings; until now only the Desktop sidebar
# could write the flag. Inspired by Perplexity Computer's
# conversational session management (pin/archive from any surface):
# pin state is operational infrastructure, so every surface — GUI,
# TUI, CLI, scripts — needs read/write access to the same store.
pinning = action == "pin"
failures = 0
for raw_id in args.session_ids:
resolved = db.resolve_session_id(raw_id)
if not resolved:
print(f"Session '{raw_id}' not found.")
failures += 1
continue
if db.set_session_pinned(resolved, pinning):
verb = "Pinned" if pinning else "Unpinned"
title = db.get_session_title(resolved)
suffix = f" ({title})" if title else ""
print(f"{verb} session '{resolved}'.{suffix}")
else:
print(f"Session '{raw_id}' not found.")
failures += 1
if failures:
return 1
elif action == "pinned":
# List every pinned conversation regardless of age. limit=1 keeps the
# recency page minimal; include_pinned back-fills ALL pinned rows the
# page missed (bounded by pin count, see list_sessions_rich), so old
# pins can't fall off a paging window.
rows = db.list_sessions_rich(
limit=1, include_pinned=True, exclude_sources=_exclude
)
pinned_rows = [s for s in rows if s.get("pinned")]
if getattr(args, "json", False):
payload = [
{
"id": s["id"],
"title": s.get("title"),
"source": s.get("source"),
"last_active": s.get("last_active"),
"message_count": s.get("message_count"),
}
for s in pinned_rows
]
print(_json.dumps(payload, indent=2))
return
if not pinned_rows:
print(
"No pinned sessions. Pin one with: hermes sessions pin <session_id>"
)
return
print(f"{'Title':<32} {'Last Active':<13} {'Src':<9} {'ID'}")
print("─" * 100)
for s in pinned_rows:
title = (s.get("title") or s.get("preview", "") or "—")[:30]
last_active = _relative_time(s.get("last_active"))
print(
f"{title:<32} {last_active:<13} {(s.get('source') or '-'):<9} {s['id']}"
)
elif action == "retitle-skills":
from agent.skill_commands import describe_skill_invocation
from agent.title_generator import generate_title
+138
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@@ -0,0 +1,138 @@
"""CLI pin / unpin / pinned subcommands (issue #52955).
Pin state is the durable "keep" flag in state.db that the Desktop sidebar
writes; these tests pin the CLI's read/write access to the SAME store
(SessionDB.set_session_pinned / list_sessions_rich(include_pinned=True)),
not a client-local list.
"""
import json
import sys
class _FakeDB:
def __init__(self, rows=None, known=("20260315_092437_c9a6ff",)):
self.rows = rows or []
self.known = set(known)
self.pin_calls = []
self.list_kwargs = None
self.closed = False
def resolve_session_id(self, session_id):
for k in self.known:
if k.startswith(session_id):
return k
return None
def set_session_pinned(self, session_id, pinned):
self.pin_calls.append((session_id, pinned))
return session_id in self.known
def get_session_title(self, session_id):
return "Alpha Work" if session_id in self.known else None
def list_sessions_rich(self, **kwargs):
self.list_kwargs = kwargs
return self.rows
def close(self):
self.closed = True
def _run(monkeypatch, capsys, argv_tail, db):
import hermes_cli.main as main_mod
import hermes_state
monkeypatch.setattr(hermes_state, "SessionDB", lambda: db)
monkeypatch.setattr(sys, "argv", ["hermes", "sessions", *argv_tail])
try:
main_mod.main()
code = 0
except SystemExit as e: # non-zero exits propagate through main()
code = e.code or 0
return code, capsys.readouterr().out
def test_pin_accepts_unique_prefix(monkeypatch, capsys):
db = _FakeDB()
code, out = _run(monkeypatch, capsys, ["pin", "20260315_092437"], db)
assert db.pin_calls == [("20260315_092437_c9a6ff", True)]
assert "Pinned session '20260315_092437_c9a6ff'." in out
assert "(Alpha Work)" in out
assert code == 0
def test_unpin_writes_false(monkeypatch, capsys):
db = _FakeDB()
_code, out = _run(monkeypatch, capsys, ["unpin", "20260315_092437_c9a6ff"], db)
assert db.pin_calls == [("20260315_092437_c9a6ff", False)]
assert "Unpinned session" in out
def test_pin_multiple_ids_one_missing(monkeypatch, capsys):
db = _FakeDB(known=("aaa111", "bbb222"))
code, out = _run(monkeypatch, capsys, ["pin", "aaa", "nope", "bbb"], db)
assert ("aaa111", True) in db.pin_calls
assert ("bbb222", True) in db.pin_calls
assert "Session 'nope' not found." in out
assert code == 1
def test_pinned_lists_only_pinned_rows(monkeypatch, capsys):
rows = [
{
"id": "pinned_one",
"title": "Keep Me",
"source": "cli",
"last_active": 1_700_000_000.0,
"message_count": 3,
"pinned": 1,
},
{
"id": "recent_unpinned",
"title": "Recent",
"source": "cli",
"last_active": 1_700_000_100.0,
"message_count": 5,
"pinned": 0,
},
]
db = _FakeDB(rows=rows)
_code, out = _run(monkeypatch, capsys, ["pinned"], db)
# include_pinned back-fill is what guarantees old pins surface
assert db.list_kwargs["include_pinned"] is True
assert "pinned_one" in out
assert "Keep Me" in out
assert "recent_unpinned" not in out
def test_pinned_json_output(monkeypatch, capsys):
rows = [
{
"id": "pinned_one",
"title": "Keep Me",
"source": "cli",
"last_active": 1_700_000_000.0,
"message_count": 3,
"pinned": 1,
},
]
db = _FakeDB(rows=rows)
_code, out = _run(monkeypatch, capsys, ["pinned", "--json"], db)
payload = json.loads(out)
assert payload == [
{
"id": "pinned_one",
"title": "Keep Me",
"source": "cli",
"last_active": 1_700_000_000.0,
"message_count": 3,
}
]
def test_pinned_empty_hint(monkeypatch, capsys):
db = _FakeDB(rows=[])
_code, out = _run(monkeypatch, capsys, ["pinned"], db)
assert "No pinned sessions" in out
assert "hermes sessions pin" in out
+22
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@@ -462,6 +462,28 @@ hermes sessions rename 20250305_091523_a1b2c3d4 debugging auth flow
If the title is already in use by another session, an error is shown.
### Pin a Session
Pinning sets a durable "keep" flag: pinned sessions are exempt from the
`sessions.auto_archive` stale sweep and always appear in listings. It is the
same flag the Desktop sidebar's Pinned section uses — pin from either surface
and both see it.
```bash
# Pin one or more sessions (unique ID prefixes work)
hermes sessions pin 20250305_091523_a1b2c3d4
hermes sessions pin 20250305 20250306
# Remove the pin
hermes sessions unpin 20250305_091523_a1b2c3d4
# List pinned sessions
hermes sessions pinned
# Machine-readable output, e.g. for a nightly backup of your pin set
hermes sessions pinned --json > pinned-sessions.json
```
### Prune Old Sessions
```bash