Fixes #3168 The Claude Code subagent dispatcher tool is named `Agent` (with `subagent_type` parameter). The `Task*` namespace (TaskCreate, TaskList, TaskGet, TaskUpdate, TaskOutput, TaskStop) is the separate task-tracker. GSD's commands, workflows, and agents were partially migrated and still referenced `- Task` / `Task(` in 55 files, causing orchestrators to silently fall back to inline execution when no `Task` tool appeared on their tool surface. Changes: - `commands/gsd/*.md` allowed-tools: replaced `- Task` with `- Agent` in 24 files; removed duplicate `- Task` from autonomous.md (already had `- Agent`) - `get-shit-done/workflows/*.md`: replaced dispatcher `Task(` → `Agent(` in 29 workflow files (~133 call sites); TaskCreate/List/Get/Update/Output/Stop left untouched - `agents/gsd-debug-session-manager.md`: replaced `Task` → `Agent` in tools frontmatter (the only remaining agent with the wrong name) Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Step: codebase_drift_gate
Post-execution structural drift detection (#2003). Runs after the last wave
commits, before verification. Non-blocking by contract: any internal
error here MUST fall through and continue to verify_phase_goal. The phase
is never failed by this gate.
DRIFT=$(gsd-sdk query verify.codebase-drift 2>/dev/null || echo '{"skipped":true,"reason":"sdk-failed"}')
Parse JSON for: skipped, reason, action_required, directive,
spawn_mapper, affected_paths, elements, threshold, action,
last_mapped_commit, message.
If skipped is true (no STRUCTURE.md, missing git, or any internal error):
Log one line — Codebase drift check skipped: {reason} — and continue to
verify_phase_goal. Do NOT prompt the user. Do NOT block.
If action_required is false: Continue silently to verify_phase_goal.
If action_required is true AND directive is warn:
Print the message field verbatim. The format is:
Codebase drift detected: {N} structural element(s) since last mapping.
New directories:
- {path}
New barrel exports:
- {path}
New migrations:
- {path}
New route modules:
- {path}
Run /gsd-map-codebase --paths {affected_paths} to refresh planning context.
Then continue to verify_phase_goal. Do NOT block. Do NOT spawn anything.
If action_required is true AND directive is auto-remap:
First load the mapper agent's skill bundle (the executor's AGENT_SKILLS
from step init_context is for gsd-executor, not the mapper):
AGENT_SKILLS_MAPPER=$(gsd-sdk query agent-skills gsd-codebase-mapper)
Then spawn gsd-codebase-mapper agents with the --paths hint:
Agent(
subagent_type="gsd-codebase-mapper",
description="Incremental codebase remap (drift)",
prompt="Focus: arch
Today's date: {date}
--paths {affected_paths joined by comma}
Refresh STRUCTURE.md and ARCHITECTURE.md scoped to the listed paths only.
Stamp last_mapped_commit in each document's frontmatter.
${AGENT_SKILLS_MAPPER}"
)
ORCHESTRATOR RULE — CODEX RUNTIME: After calling Agent() above, stop working on this task immediately. Do not read more files, edit code, or run tests related to this task while the subagent is active. Wait for the subagent to return its result. This prevents duplicate work, conflicting edits, and wasted context. Only resume when the subagent result is available.
If the spawn fails or the agent reports an error: log Codebase drift auto-remap failed: {reason} and continue to verify_phase_goal. The phase
is NOT failed by a remap failure.
If the remap succeeds: log Codebase drift auto-remap completed for paths: {affected_paths} and continue to verify_phase_goal.
The two relevant config keys (continue on error / failure if either is invalid):
workflow.drift_threshold(integer, default 3) — minimum drift elements before actionworkflow.drift_action—warn(default) orauto-remap
This step is fully non-blocking — it never fails the phase, and any
exception path returns control to verify_phase_goal.