Fix endpoint config and daemon startup from PR94 review

Keep the shipped `conf.toml` defaults TCP-only for this `tractor`
pin, with an explicit single-transport note and commented UDS
alternatives. Preserve repeated Click `--maddrs` options and treat
a direct string as one endpoint.

Deats,
- Validate daemon bind requests against actual listeners, not
  registrar discovery endpoints; normalize tagged addresses and
  allow OS-assigned TCP ports. Explain registrar ownership and
  automatic client binding at the validation site.
- Resolve explicit or inherited registrar addresses independently
  of other daemon kwargs, consuming overrides before forwarding
  them and keeping discovery and startup on the same registrar.
- Default chart binding to `None` for absent or empty network
  config, and remove the unconditional Binance debugger pause.
- Defer the prematurely cherry-picked `test_datad_spawn` until
  its service API lands. Add offline endpoint/startup regressions
  and a real distinct-registrar/daemon lifecycle check.

Include the human-directed config and registrar/bind explanations
and the direct prompt provenance pair from the review fix pass.

Prompt-IO: ai/prompt-io/20261007T165453Z_bde2457b_prompt_io.md

(this patch was generated in some part by `opencode` using
`gpt-6.1-sol` (`openai`))

ai/prompt-io/20261007T165453Z_bde2457b_prompt_io.md

@@ -0,0 +1,52 @@
+---
+created_at: 2026-10-07T16:54:53Z
+generated_by:
+  harness: opencode
+  provider: openai
+  model: gpt-6.1-sol
+git_ref: bde2457b
+scope: code
+substantive: true
+raw_file: 20261007T165453Z_bde2457b_prompt_io.raw.md
+---
+
+## Prompt
+
+The user requested fixing all seven local PR94 review findings and
+exporting the review for human inspection in Tuicr. They asked that a
+Tractor pin adjustment be considered before adding Piker workarounds.
+
+## Response summary
+
+Correct the endpoint defaults, Click argument shape, daemon binding and
+registrar option handling, chart fallback, and stray debugger pause.
+Keep the absent datad implementation's test outside this landing
+branch. Add offline startup coverage and export original findings
+without modifying review states. The checked newer Tractor address
+branch still rejects mixed transports, so leave the dependency pin.
+
+## Files changed
+
+- `config/conf.toml`: TCP-only default endpoints.
+- `piker/cli/__init__.py`: repeatable and intact multiaddresses.
+- `piker/service/_actor_runtime.py`: validate daemon listeners.
+- `piker/service/_daemon.py`: initialize and consume registrar options.
+- `piker/ui/cli.py`: fallback to automatic chart binding.
+- `piker/brokers/binance/feed.py`: remove unconditional debugger entry.
+- `tests/test_services.py`: defer test requiring missing datad API.
+- `tests/test_startup.py`: CLI/config and service lifecycle regressions.
+
+## Human edits
+
+The human identified that datad tests arrived through the agent's
+mixed cherry-picks and explicitly requested deferring that test. They
+requested a chart default for existing configs, expanded the task to
+all review findings, and directed checking whether a newer Tractor pin
+could reduce the fix scope. No direct manual source edits were observed
+during these changes; acceptance remains with the human.
+
+During the human review pass, the human confirmed removing the Binance
+pause and correcting CLI endpoint parsing. They requested an explicit
+template note about this pin's single-transport limitation and detailed
+comments distinguishing registrar discovery endpoints from daemon bind
+endpoints. Those explanations were added at the human's direction.

ai/prompt-io/20261007T165453Z_bde2457b_prompt_io.raw.md

@@ -0,0 +1,61 @@
+---
+created_at: 2026-10-07T16:54:53Z
+generated_by:
+  harness: opencode
+  provider: openai
+  model: gpt-6.1-sol
+git_ref: bde2457b
+diff_cmd: git diff HEAD~1..HEAD
+---
+
+## Prompt
+
+Fix all findings from the local PR94 review, prefer a Tractor pin
+change if it reduces work, and export the original review for Tuicr.
+
+## Generated changes
+
+> `git diff HEAD~1..HEAD -- config/conf.toml`
+
+Use TCP-only defaults, retaining commented UDS alternatives. Both
+checked Tractor address branch tips still reject mixed transports.
+
+> `git diff HEAD~1..HEAD -- piker/cli/__init__.py`
+
+Make Click multiaddresses repeatable and normalize single strings.
+
+> `git diff HEAD~1..HEAD -- piker/service/_actor_runtime.py`
+
+Validate requested daemon bind addresses instead of remote registrars.
+Normalize accepted endpoints and allow TCP ephemeral port requests.
+
+> `git diff HEAD~1..HEAD -- piker/service/_daemon.py`
+
+Resolve explicit or inherited registrars independently of other daemon
+options and consume the explicit keyword before forwarding kwargs.
+
+> `git diff HEAD~1..HEAD -- piker/ui/cli.py`
+
+Default chart bind endpoints to None when network config is absent.
+
+> `git diff HEAD~1..HEAD -- piker/brokers/binance/feed.py`
+
+Remove the unconditional market-info debugger pause.
+
+> `git diff HEAD~1..HEAD -- tests/test_services.py tests/test_startup.py`
+
+Remove the prematurely cherry-picked datad test and add offline startup
+regressions, including a real registrar/child daemon lifecycle check.
+
+## Verification
+
+- Startup and logging tests: 13 passed.
+- Existing runtime boot and tagged registrar tests: 2 passed.
+- Scoped native Ruff and diff checks pass.
+- The first new actor test used a removed nursery API; it was corrected
+  to the installed start_actor/Portal.run interface before passing.
+- Import initially failed without native libraries. Tests use the
+  existing flake's GCC, zlib, Qt and PyQt paths without executing its
+  environment-rebuilding shell hook.
+- Original seven findings exported locally as Tuicr review-add payloads
+  bound to bde2457b; no session comments or remote PR were changed.

config/conf.toml

@@ -1,14 +1,17 @@
 [network]
+# This Tractor pin supports one transport per actor, not mixed TCP/UDS.
+# Use the single TCP endpoint shown in each list for this version.
+# Mixed-transport configs need a future Tractor pin with that support.
 pikerd = [
   # TCP localhost loopback
   '/ip4/127.0.0.1/tcp/6116',
 
-  # same but UDS
+  # UDS alternative: replace TCP and select the UDS transport.
-  '/unix/run/user/1000/piker/pikerd.sock',
+  # '/unix/run/user/1000/piker/pikerd.sock',
 ]
 chart = [
   '/ip4/127.0.0.1/tcp/3003',
-  '/unix/run/user/1000/piker/chart.sock',
+  # '/unix/run/user/1000/piker/chart.sock',
 ]
 # the service-actor registry endpoint;
 # other pikerd trees contact this to discover

piker/brokers/binance/feed.py

@@ -364,8 +364,6 @@ async def get_mkt_info(
         if not mkt_mode:
             mkt_mode: str = f'{venue_lower}_futes'
 
-    await tractor.pause()
-
     async with open_cached_client(
         'binance',
     ) as client:

piker/cli/__init__.py

@@ -47,7 +47,7 @@ log = get_logger('piker.cli')
 
 def load_trans_eps(
     network: dict|None = None,
-    maddrs: list[str]|None = None,
+    maddrs: str|tuple[str, ...]|list[str]|None = None,
 
 ) -> dict[str, list]:
     '''
@@ -60,6 +60,8 @@ def load_trans_eps(
         return parse_endpoints(network)
 
     elif maddrs:
+        if isinstance(maddrs, str):
+            maddrs = [maddrs]
         return parse_endpoints(
             {'pikerd': list(maddrs)}
         )
@@ -87,11 +89,11 @@ def load_trans_eps(
 @click.option(
     '--maddrs',
     '-m',
-    default=None,
+    multiple=True,
     help='Multiaddrs to bind or contact',
 )
 def pikerd(
-    maddrs: list[str]|None,
+    maddrs: tuple[str, ...],
     loglevel: str,
     tl: bool,
     pdb: bool,

piker/service/_actor_runtime.py

@@ -214,7 +214,27 @@ async def open_pikerd(
         tractor.trionics.collapse_eg(),
         trio.open_nursery() as service_tn,
     ):
-        for addr in reg_addrs:
+        # `reg_addrs` locates the registrar used for actor discovery;
+        # `tpt_bind_addrs` requests this daemon's own IPC listeners.
+        # An existing registrar can live elsewhere, so its endpoints
+        # must not be checked against `root_actor.accept_addrs`.
+        bind_addrs = tpt_bind_addrs
+        if bind_addrs is None:
+            # Only a registrar actor owns the discovery endpoints.
+            # A client with no explicit bind request lets Tractor pick
+            # its listener; there is no caller-specified bind to check.
+            bind_addrs = (
+                reg_addrs if root_actor.is_registrar else []
+            )
+
+        # `root_actor.accept_addrs` contains the actual bound endpoints.
+        # Normalize both sides with Tractor's address API so legacy
+        # pairs and tagged transport tuples compare in the same form.
+        accept_addrs = [
+            tractor.discovery._addr.wrap_address(addr).unwrap()
+            for addr in root_actor.accept_addrs
+        ]
+        for addr in bind_addrs:
             # normalize to a wrapped `tractor` addr-type;
             # entries may be raw `tuple`s when passed in
             # from (test) client code.
@@ -222,9 +242,16 @@ async def open_pikerd(
                 addr,
             )
             uaddr: tuple = wladdr.unwrap()
-            if (
+            bound = uaddr in accept_addrs
-                uaddr not in root_actor.accept_addrs
+            if wladdr.proto_key == 'tcp' and uaddr[-1] == 0:
-            ):
+                # TCP port zero asks the OS for an ephemeral listener.
+                # Its actual port differs from the request, but the
+                # tagged transport and host must still match exactly.
+                bound = any(
+                    actual[:-1] == uaddr[:-1]
+                    for actual in accept_addrs
+                )
+            if not bound:
                 raise RuntimeError(
                     f'`pikerd` failed to bind on {addr}!\n'
                     'Maybe you have another daemon already running?'

piker/service/_daemon.py

@@ -78,14 +78,19 @@ async def maybe_spawn_daemon(
     lock = Services.locks[service_name]
     await lock.acquire()
 
-    if not pikerd_kwargs:
+    try:
-        # XXX NOTE, pin to apprope `tractor` branch!
+        # Discovery and `maybe_open_pikerd()` must use the same
+        # registrar list, independently of other runtime options.
+        # Consume an override here: startup forwards it explicitly
+        # below, so leaving it in `pikerd_kwargs` duplicates the keyword.
+        registry_addrs = pikerd_kwargs.pop('registry_addrs', None)
+        if registry_addrs is None:
+            # Use the registrar addresses inherited by this actor.
             rtvs: dict = tractor.get_runtime_vars()
             registry_addrs: list[tuple] = list(
                 map(tuple, rtvs['_registry_addrs'])
             )
 
-    try:
         async with find_service(
             service_name,
             registry_addrs=registry_addrs,

piker/ui/cli.py

@@ -199,6 +199,7 @@ def chart(
             'registry_addrs',
             [],
         )
+        chart_eps: list|None = None
         network: dict = conf.get('network')
         if network:
             eps: dict = load_trans_eps(

tests/test_services.py

@@ -120,41 +120,6 @@ def test_registry_normalizes_tagged_addresses(
         _registry.Registry.addrs = []
 
 
-def test_datad_spawn(
-    open_test_pikerd: AsyncContextManager,
-    loglevel: str,
-
-) -> None:
-    '''
-    Verify the new (data-feed-only) `datad.<broker>` daemon
-    can be spawned/registered as a `pikerd` sub-service via
-    the `maybe_spawn_datad()` factory.
-
-    '''
-    from piker.service import maybe_spawn_datad
-
-    backend: str = 'kraken'
-    datad_name: str = f'datad.{backend}'
-
-    async def main():
-        async with (
-            open_test_pikerd() as (_, _, _, services),
-
-            maybe_spawn_datad(
-                backend,
-                loglevel=loglevel,
-            ) as portal,
-        ):
-            assert portal
-
-            async with ensure_service(datad_name):
-                assert (
-                    datad_name in services.service_tasks
-                )
-
-    trio.run(main)
-
-
 def test_ensure_datafeed_actors(
     open_test_pikerd: AsyncContextManager,
     loglevel: str,

tests/test_startup.py

@@ -0,0 +1,214 @@
+'''
+Offline regressions for endpoint configuration and service startup.
+
+'''
+from contextlib import asynccontextmanager as acm
+from pathlib import Path
+import sys
+import tomllib
+from types import ModuleType
+
+from click.testing import CliRunner
+import pytest
+import tractor
+import trio
+
+from piker import config
+from piker.cli import load_trans_eps, pikerd
+from piker.service import _daemon, _actor_runtime
+
+
+@pytest.mark.parametrize('repeat', [False, True])
+def test_maddrs_click_collection(repeat):
+    '''
+    Click previously produced a string for `--maddrs`, which endpoint
+    loading split into individual characters. Parse one or repeated
+    options through Click and then the real Tractor parser, without
+    entering the indefinitely running daemon callback. Every address
+    must survive intact and in the declared order.
+
+    '''
+    addresses = ['/ip4/127.0.0.1/tcp/6116']
+    if repeat:
+        addresses.append('/ip4/127.0.0.1/tcp/6117')
+    args = [
+        arg for address in addresses for arg in ['--maddrs', address]
+    ]
+    with pikerd.make_context('pikerd', args) as ctx:
+        endpoints = load_trans_eps(maddrs=ctx.params['maddrs'])
+    assert [addr.unwrap() for addr in endpoints['pikerd']] == [
+        ('tcp', '127.0.0.1', 6116 + index)
+        for index in range(len(addresses))
+    ]
+
+
+def test_single_string_multiaddr():
+    '''
+    Direct endpoint callers may provide one string, independently of
+    Click's collection conversion. That input must denote a single
+    endpoint rather than a sequence of invalid character endpoints.
+
+    '''
+    endpoints = load_trans_eps(maddrs='/ip4/127.0.0.1/tcp/6116')
+    assert endpoints['pikerd'][0].unwrap() == (
+        'tcp', '127.0.0.1', 6116,
+    )
+
+
+def test_template_single_transport():
+    '''
+    The shipped template enabled TCP and UDS together although the
+    locked Tractor runtime permits only one transport per actor.
+    Parse the real template and ensure both daemon and chart defaults
+    use the TCP transport selected by their startup paths.
+
+    '''
+    path = Path(__file__).parents[1] / 'config' / 'conf.toml'
+    conf = tomllib.loads(path.read_text())
+    endpoints = load_trans_eps(conf['network'])
+    for name in ['pikerd', 'chart']:
+        assert endpoints[name]
+        assert {addr.proto_key for addr in endpoints[name]} == {'tcp'}
+
+
+@pytest.mark.parametrize('network', [None, {}])
+def test_chart_without_network(monkeypatch, network):
+    '''
+    Existing configs without a populated network table left chart
+    bind endpoints unbound, crashing before the UI entrypoint. Invoke
+    the actual Click callback with absent and empty tables, replacing
+    only config IO and the UI entrypoint. Automatic binding must be
+    passed as None while preserving the configured registrar address.
+
+    '''
+    from piker.ui.cli import chart
+
+    conf = {} if network is None else {'network': network}
+    monkeypatch.setattr(config, 'load', lambda **_: (conf, None))
+    app = ModuleType('piker.ui._app')
+    calls = []
+    app._main = lambda **kwargs: calls.append(kwargs)
+    monkeypatch.setitem(sys.modules, 'piker.ui._app', app)
+    result = CliRunner().invoke(
+        chart,
+        ['btcusdt.binance'],
+        obj={
+            'pdb': False,
+            'brokermods': [object()],
+            'tractorloglevel': 'warning',
+            'loglevel': 'warning',
+            'registry_addrs': [('127.0.0.1', 6116)],
+        },
+    )
+    assert result.exit_code == 0, result.exception
+    runtime = calls[0]['tractor_kwargs']
+    assert runtime['tpt_bind_addrs'] is None
+    assert runtime['registry_addrs'] == [('127.0.0.1', 6116)]
+
+
+@pytest.mark.parametrize('explicit_registry', [False, True])
+def test_daemon_options_resolve_registrars(
+    monkeypatch,
+    explicit_registry,
+):
+    '''
+    Any nonempty pikerd kwargs previously skipped registrar address
+    initialization. Exercise the full discovery and spawn path with
+    runtime options, using protocol-boundary fakes instead of remote
+    actors. An explicit override must reach discovery and startup
+    exactly once; otherwise the inherited registrar list is used.
+    The service lock must be released after leaving the context.
+
+    '''
+    inherited = [('tcp', '127.0.0.1', 6116)]
+    override = [('tcp', '127.0.0.1', 6117)]
+    expected = override if explicit_registry else inherited
+    calls = []
+    portal = object()
+
+    @acm
+    async def find(name, registry_addrs):
+        calls.append(('find', registry_addrs))
+        yield None
+
+    @acm
+    async def open_root(**kwargs):
+        calls.append(('open', kwargs))
+        yield None
+
+    @acm
+    async def wait(name):
+        yield portal
+
+    async def start(**kwargs):
+        return True
+
+    monkeypatch.setattr(_daemon, 'find_service', find)
+    monkeypatch.setattr(_daemon, 'maybe_open_pikerd', open_root)
+    monkeypatch.setattr(tractor, 'wait_for_actor', wait)
+    monkeypatch.setattr(
+        tractor,
+        'get_runtime_vars',
+        lambda: {'_registry_addrs': inherited},
+    )
+
+    async def main():
+        lock = trio.Lock()
+        monkeypatch.setitem(_daemon.Services.locks, 'probe', lock)
+        kwargs = {'debug_mode': False}
+        if explicit_registry:
+            kwargs['registry_addrs'] = override
+        async with _daemon.maybe_spawn_daemon(
+            'probe', start, {}, **kwargs,
+        ) as found:
+            assert found is portal
+        assert not lock.locked()
+
+    trio.run(main)
+    assert calls[0] == ('find', expected)
+    assert calls[1][1]['registry_addrs'] == expected
+    assert calls[1][1]['debug_mode'] is False
+
+
+async def _check_distinct_daemon_bind():
+    '''
+    Open Piker's service context on a non-registrar child actor.
+
+    '''
+    actor = tractor.current_actor()
+    assert not actor.is_registrar
+    assert actor.accept_addrs != actor.reg_addrs
+    async with _actor_runtime.open_pikerd(
+        registry_addrs=actor.reg_addrs,
+        tpt_bind_addrs=[('127.0.0.1', 0)],
+    ):
+        return actor.accept_addrs
+
+
+def test_daemon_bind_distinct_from_registrar(reg_addr):
+    '''
+    Separate daemon and registrar endpoints were rejected because
+    startup checked registrar addresses against daemon listeners.
+    Run a real TCP registrar and a distinct child daemon with an
+    ephemeral listener. Its service context must start and unwind
+    without taking ownership of the registrar's listening address.
+
+    '''
+    async def main():
+        async with (
+            tractor.open_root_actor(
+                registry_addrs=[reg_addr],
+                enable_transports=['tcp'],
+            ),
+            tractor.open_nursery() as nursery,
+        ):
+            portal = await nursery.start_actor(
+                'daemon_probe',
+                enable_modules=[__name__],
+                bind_addrs=[('127.0.0.1', 0)],
+            )
+            addresses = await portal.run(_check_distinct_daemon_bind)
+            assert addresses
+            await nursery.cancel()
+
+    trio.run(main)