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spawn_subtask
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(Phase 8)
The final mechanism the versioned role-config model (Phase 5) was built for:
when a story reaches DONE, StoryOrchestrator spawns a retro-role task that
reflects on the story's full history and proposes draft role_configs
versions for a human to review and activate via the existing (unchanged)
POST /api/roles/{role}/activate.
- AgentChannel gains a 6th method, ProposeRoleConfig(ctx, role.RoleConfig)
(version, err), following ProposeEpic's precedent (Phase 7c): a structured
tool call, not summary-parsing. storeChannel.ProposeRoleConfig calls the
same Store.CreateRoleConfig the human-facing POST /api/roles/{role}/versions
endpoint already uses (proposed_by: "retro"), landing a new draft row
without touching whatever's currently active. Wired through both
transports exactly like ProposeEpic: internal/agentloop/tools.go (native
loop) and internal/executor/agentmcp.go (MCP).
- StoryOrchestrator.Tick now routes a story at status DONE to a new
processRetro stage instead of processStory -- a sibling stage, not a
continuation, since the Builder->Evaluators->Arbitration chain is long
settled by then. processRetro only *reads* that settled pipeline
(read-only findEvaluators/findArbitration counterparts to
ensureEvaluators/ensureArbitration -- it never spawns/mutates
Builder-pipeline tasks) to locate the Arbitration task the retro task
depends on, then spawns (idempotently -- checks for an existing
retro-role dependent first) one retro-role task with instructions
assembled from the story's spec/acceptance-criteria, full task tree, per-
task cost/escalation history, active role_configs per role encountered,
and the story's own event stream (evaluator verdicts, arbitration
decision).
- event.KindRetroCaptured (attached to the story's ID, matching
KindEvalVerdict/KindArbitrationDecided's convention) fires once the retro
task completes (auto-accepted like every other pipeline task), aggregating
every event.KindRoleConfigProposed the retro task recorded (one per
propose_role_config call) into {task_id, proposals: [{role, version}],
summary} -- the summary is the "capturing lessons" half of this ceremony,
the proposals are the versioned-config half.
- Human activation is completely untouched: drafts land through the
identical CreateRoleConfig/config_json path Phase 5's endpoints already
handle, confirmed via existing role-endpoint tests passing unmodified.
go build/vet/test -race -count=1 all pass, full suite (20 packages) -- one
run hit a known, pre-existing, intermittent flake under full-suite load
(unrelated to this phase's files) that did not reproduce on two immediate
reruns, both in isolation and full-suite.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01V1moSNCJRcP6kykA4tyUSs
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(Phase 7c)
Two independent pieces, completing Phase 7.
Epic-proposal tool: AgentChannel gains a 5th method, ProposeEpic(ctx,
EpicProposal{Name, Description, StoryIDs}) (epicID, err), implemented on
storeChannel -- matches an existing epic by exact name or creates one
(DiscoverySource: "agent"), sets epic_id on each resolvable story (skips,
doesn't fail, on an unresolved ID), emits KindEpicProposed attached to the
epic's own ID with payload {epic_id, name, story_ids}. Wired into both
transports exactly like Phase 6 wired role into spawn_subtask: a new
propose_epic tool in the native tool-use loop (internal/agentloop/tools.go)
and the MCP transport (internal/executor/agentmcp.go). This is the mechanism
for a discovery/planner-role agent to act on its own judgment that several
stories it's been given form one cohesive initiative -- the judgment itself
lives in the calling agent's instructions/model, not in this code.
AskUser-timeout escalation: extends the existing Scheduler (Phase 5's
retry-then-escalate watcher) rather than adding a new component, since
"stuck task needs escalation" is exactly what it already does. Finds
role-typed BLOCKED tasks whose question has been outstanding longer than
SchedulerConfig.AskUserTimeoutSeconds (default 10 minutes) using
task.UpdatedAt as the outstanding-since timestamp -- no new column needed,
since UpdateTaskQuestion already stamps it the instant a question is
recorded and nothing else touches the row while BLOCKED. Resolves the next
ladder tier from the latest execution's EscalationRung, records the
system-authored fallback answer as an audit-trail task.Interaction, clears
the question, sets the new tasks.needs_review flag, emits KindEscalated
(now carrying a trigger field: "failure" vs "ask_user_timeout" for the
existing failure-retry path vs this one), and resumes via Pool.SubmitResume
at the escalated tier -- degrading to same-tier resume with final:true if
the ladder's exhausted or no role config exists, since unblocking the task
takes priority over having somewhere higher to escalate to.
GET /api/tasks?needs_review=true surfaces auto-decided tasks for human
review.
go build/vet/test -race -count=1 all pass, full suite (20 packages), run
twice to rule out flakiness in the new tests. (One pre-existing, unrelated
test -- TestHandleRunTask_CascadesRetryToFailedDeps, a tempdir-cleanup race
-- appeared once under full-suite load per the implementing agent's report
and did not reproduce in this verification's runs either; not a regression
from this work.)
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01V1moSNCJRcP6kykA4tyUSs
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(Phase 6)
Two prerequisites for safe parallel evaluator fan-out (later phase):
1. Auto-cascade-fail: previously, a failed task's dependents just sat
PENDING/QUEUED forever (or until something eventually tried to dispatch
them and discovered the dependency was dead). Pool.cascadeFail now fires
right after a task lands in a terminal failure state (FAILED/TIMED_OUT/
CANCELLED/BUDGET_EXCEEDED, from handleRunResult, the budget-gate reject
path, and the checkDepsReady dependency-failure path), recursively
cancelling every not-yet-run dependent (PENDING/QUEUED only -- RUNNING and
terminal states are left alone) with a message referencing the upstream
failure. A visited-set guards recursion, which turned out to be
load-bearing rather than defense-in-depth: task creation does not prevent
dependency cycles anywhere in this codebase.
Correction to an earlier assumption: internal/executor's
waitForDependencies is dead code, never called. The live mechanism is
checkDepsReady, invoked synchronously in execute() with a self-requeue via
time.AfterFunc. Added a freshness re-check (GetTask, bail if no longer
QUEUED) at the top of that block so a task cascade-cancelled while sitting
in the requeue loop stops silently instead of hitting an invalid
CANCELLED->CANCELLED transition or, worse, still getting dispatched.
2. storeChannel.SpawnSubtask hardcoded Agent.Type: "claude" on every spawned
child regardless of what role it should play -- a hard blocker for a
Planner/Builder task spawning role-typed evaluator subtasks. SubtaskSpec
(internal/agentchannel) gains a Role field; when set, the child task gets
Agent.Role instead of a hardcoded Type, so Phase 5's role-resolution picks
provider/model from that role's escalation ladder. spec.Role == "" (every
existing caller) preserves today's exact behavior byte-for-byte -- proven
by an explicit regression test, not just new-feature coverage. Threaded
the new `role` parameter through both spawn_subtask transports: the native
tool-use loop (internal/agentloop/tools.go) and the MCP tool exposed to
ContainerRunner-driven claude/gemini agents (internal/executor/agentmcp.go).
go build/vet/test -race -count=1 all pass, full suite (20 packages).
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01V1moSNCJRcP6kykA4tyUSs
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Gives native-API-driven agents (currently just the Phase 2 Anthropic
adapter) real container isolation, decoupled from model invocation --
the model call happens in the Go process via provider.Provider, only tool
execution happens in the container, unlike the CLI-subprocess ContainerRunner
(left completely untouched) where the claude/gemini CLI runs inside the
container.
- internal/sandbox/dockersandbox.go: Sandbox via a long-lived
`docker run -d ... sleep infinity` container (started once per execution,
not per tool call), host-side git clone + bind-mount matching
ContainerRunner's existing pattern, docker exec for read/write/bash/glob.
Reuses images/agent-base (claudomator-agent:latest) rather than
standing up a second image. WorkDir()/resume persists the host bind-mount
directory (matching HostSandbox's contract); a resumed sandbox lazily
starts a fresh container against that directory rather than trying to
reattach to a possibly-gone one.
- internal/sandbox/guard.go, hooks.go: Hook interface (CheckBash/CheckWrite),
Guarded wrapper, DenylistBashHook (rm -rf /, force-push, curl|sh, sudo,
chmod 777, dd if=) and ProtectedPathHook (.git/**, .env*, credentials/,
.github/workflows/**). A rejection returns *RejectionError, which
agentloop/tools.go now recognizes and feeds back to the model as a normal
(non-fatal) tool-error result instead of aborting the run.
- NativeRunner wraps whichever Sandbox it builds (Host or Docker) in
Guarded{Hooks: DefaultHooks()} uniformly. The "anthropic" runner now uses
DockerSandbox; "local" stays on HostSandbox by design (local models are
the harness's more-trusted, lower-stakes-to-run tier).
Docker is not installed in this dev environment (no docker/podman/containerd
on PATH), so DockerSandbox's real container-lifecycle behavior is verified
via mocked-command unit tests only -- go test -race ./... passes throughout,
with the two real-daemon integration tests gated behind a dockerAvailable(t)
check and skipping here. Live verification against an actual Docker host is
a follow-up before relying on the "anthropic" agent type in production.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01V1moSNCJRcP6kykA4tyUSs
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Splits LocalRunner's OpenAI-specific agentic loop into reusable, provider-
agnostic pieces so later phases can add native Anthropic/OpenAI/Google/Groq/
OpenRouter adapters without duplicating the control flow:
- internal/provider: neutral Provider/ChatRequest/ChatResponse types, plus
an openaicompat adapter wrapping the existing internal/llm.Client unchanged
- internal/sandbox: Sandbox interface + HostSandbox (git clone/push/cleanup,
read_file/write_file/run_bash/glob), lifted verbatim from local.go/localtools.go
- internal/agentloop: the extracted tool-use loop (request/response/tool-
dispatch/loop, ask_user blocking, stream-json envelope, summary fallback)
- internal/agentchannel: AgentChannel/SubtaskSpec/BlockedError/ErrAgentBlocked
moved out of internal/executor so agentloop can use them without an import
cycle; internal/executor re-exports via type aliases, so no call site changes
- internal/executor/nativerunner.go: NativeRunner replaces LocalRunner,
wiring agentloop.Loop + openaicompat + HostSandbox together
- config.Providers map[string]ProviderConfig added (unused until Phase 2+)
Zero intended behavior change: go test -race ./... passes across all
packages, and end-to-end stream-json/summary/changestats output was verified
byte-compatible against a fake OpenAI-compatible server. Adds test coverage
for sandbox tool-dispatch (git clone/push, read/write/bash/glob) that
LocalRunner never had.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01V1moSNCJRcP6kykA4tyUSs
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