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nisse/nisse-dev/src/nisse_dev/loop/items.py
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dongarandClaude Opus 5.5 9968a0922a
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M4.1: toolchain preflight
A model works out and sets up what a project needs on its build VM;
code makes sure that happens, bounds it and checks the result (D3).

- Before each driver run on a project, one round trip checks the build
  VM: the harness's own baseline (missing: the item waits, a template
  problem), the workspace clone (missing: cloned again and said; the
  item resumes from what it pushed) and a per-project marker.
- No marker (a new project, a new or wiped VM): the item's driver model
  runs a bounded preflight first, with its own prompt, the execution
  tools (screened as ever) and toolchain_ready. The harness runs each
  reported version command itself (version-shaped commands only, even
  from the marker, which the model's commands could edit) and writes
  the marker. Gaps and an unfinished preflight are facts and work goes
  on; the thread hears only of installs and gaps. A rebuilt VM starts
  from the last toolchain.
- Later runs check the versions again; a change is a fact and a thread
  line. The PR body says what the work was tested with.
- A changed host key is its own failure (HostKeyChanged): the item
  waits for the operator's `trust new host key`, which drops the pin;
  then the VM is set up again.
- A prompt line: install what the work needs on the build VM, say why,
  and put lasting needs in the project's own pins.
- tuning.preflight: max_turns, command_timeout_s.
- The property walk gains a VM wipe and ready_before_work (checked
  against a mutant that skips preflight); parked_work_safe accepts that
  a wipe loses what wasn't pushed (D3).

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01PPQ14L3LikyefCMFBqEbKE
2026-10-08 15:43:30 +00:00

134 lines
5.5 KiB
Python

"""A work item's place in the loop (L1), kept in its row in the state store.
The row's ``position`` is the item's state; what the loop needs besides
(the thread its conversation lives in, the revision of what is put up for
agreement, what it is waiting for) is in ``data["loop"]``.
"""
from dataclasses import asdict, dataclass
from typing import Any
from nisse_dev.state import StateStore, WorkItem
READY = "ready"
RUNNING = "running" # a driver run is under way; on boot it means interrupted
WAITING = "waiting"
BLOCKED = "blocked" # waits for its recorded dependencies to close (L1)
CLOSED = "closed"
# What a waiting item waits for.
GO_AHEAD = "go-ahead" # a go on the restatement up (L3, D1)
ANSWER = "answer" # an answer to a question
MERGE = "merge" # the PR's review and merge (D4, D5)
CHAT = "conversation" # a conversation waits for the operator to say more (L5)
PROVISION = "provisioning" # a new project waits for what it needs (D1, D8)
@dataclass(frozen=True)
class Loop:
thread: str = "" # the root of the item's Matrix thread (L5)
issue: int = 0 # its record issue (D1)
wait: str = "" # GO_AHEAD / ANSWER / MERGE, when waiting
rev: int = 0 # the latest proposal put up (L3)
started: bool = False # scope agreed: a go-ahead was given (D1)
note: str = "" # what a waiting item said it is waiting on
prepared: bool = False # its fresh workspace was made (D3)
milestone: int = 0 # the current milestone (D4)
branch: str = "" # the current milestone's branch, while one is open
pr: int = 0 # the current milestone's PR, once published
pr_url: str = ""
comments: int = 0 # the last PR conversation comment taken (L8)
notes: tuple[str, ...] = () # review notes taken (#69)
fixes: int = 0 # review fixes pushed, for follow-up branch names
blocked_by: tuple[str, ...] = () # open dependencies, "owner/repo#N" (L1)
first: int = 0 # the operator's "do #N next": higher runs sooner
labels: tuple[str, ...] = () # the issue's labels at intake: they steer (D1)
grace_until: float = 0.0 # a `bug` restatement proceeds then, unanswered
talked: bool = False # the operator has spoken in the item's thread
# A conversation (`general`, L1): when it last heard or said anything,
# the conversation it continues, the work it turned into, and the work
# proposed for a go-ahead.
idle_since: float = 0.0
follows: str = ""
became: tuple[str, ...] = ()
proposal_project: str = ""
proposal_title: str = ""
proposal_kind: str = "" # "work" on a project, or a new "project"
new_project: str = "" # a new project being provisioned (D1)
design_merged: bool = False # a `design` item's design PR has merged (D1, D2)
helps: int = 0 # delegations so far, for their branch names (L9)
helped_at: int = 0 # the milestone a helper was last called in for, unasked
# A question from the operator is answered without changing the item
# (L5): the wait it interrupted, to go back to.
question: bool = False
back_to: str = ""
back_note: str = ""
# Where the operator last spoke (D5: answer where asked): "" for the
# Matrix thread, or the PR it came from, with the inline location and a
# little of what they said, for quoting.
asked_on_pr: int = 0
asked_where: str = ""
asked_text: str = ""
# A dangerous action put to the operator (P3): what `allow` would let
# run, and what it did let run, once, in the next run (L3: bound to
# exactly that action, by its key).
pending_action: str = ""
allowed: str = ""
# The trust dial (M3.3): why an approved PR was last left unmerged, so
# it's said once per commit and reason.
merge_held: str = ""
# The toolchain as the harness last checked it (M4.1): name, version
# command, version; and a build VM whose host key changed, waiting on
# the operator's word.
toolchain: tuple[tuple[str, str, str], ...] = ()
host_key_changed: bool = False
def to_data(self) -> dict[str, Any]:
return asdict(self)
def loop_of(item: WorkItem) -> Loop:
data = dict(item.data.get("loop", {}))
data["notes"] = tuple(data.get("notes", ()))
data["blocked_by"] = tuple(data.get("blocked_by", ()))
data["labels"] = tuple(data.get("labels", ()))
data["became"] = tuple(data.get("became", ()))
data["toolchain"] = tuple(tuple(t) for t in data.get("toolchain", ()))
return Loop(**data)
def save(
store: StateStore, item_id: str, state: str, loop: Loop, *, cause: str
) -> None:
item = store.work_item(item_id)
assert item is not None
store.update_work_item(
item_id,
position=state,
data={**item.data, "loop": loop.to_data()},
cause=cause,
)
def item_for_thread(
store: StateStore, thread: str, status: str | None = "open"
) -> WorkItem | None:
"""The item whose conversation is ``thread``; the latest, when a closed
conversation's thread was picked up again."""
found = [i for i in store.work_items(status) if loop_of(i).thread == thread]
return found[-1] if found else None
def item_for_issue(
store: StateStore, issue: int, project: str | None = None
) -> WorkItem | None:
"""The latest item, open or closed, recorded by this issue (in
``project``, when given): intake takes an issue once, and again only on a
fresh assignment after its item closed (D1)."""
found = [
item
for item in store.work_items()
if loop_of(item).issue == issue and project in (None, item.scope)
]
return found[-1] if found else None