ci(core#3081): A2A-probe concierge MCP tool list + promote creates-workspace to required #3085
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Goal
Strengthen the existing
E2E Staging Concierge Creates Workspacejob inmolecule-core/.gitea/workflows/e2e-staging-saas.ymlto assert the real capability (the recent incident slipped because everyone checked proxies, not the actual tool the LLM would invoke).Deliverables (per the ticket)
e2e-staging-concierge-creates-workspace).mcp__molecule-platform__create_workspace(NOT just "plugin installed") — step 4.5/6 insidetest_staging_concierge_creates_workspace_e2e.shsends a real A2Amessage/sendenvelope to the live concierge asking it to enumerate its MCP tools, then parses the reply for the literalmcp__molecule-platform__create_workspacestring. SKIPs LOUD on a missing tool, non-2xx A2A response, or error-as-text reply;E2E_REQUIRE_LIVE=1converts that skip into a HARD FAIL (exit 5) on push-to-main / dispatch / cron so a missing overlay can NEVER false-green the gate.create_workspacevia the concierge and assert a new workspace appears (GET /workspaces) — already in the existing job (the LLM-mediatedmessage/send5/6 + workspace-row 6/6 assertions are the GATE).continue-on-errorand PROMOTE this to a required/merge-blocking status check — the job already had nocontinue-on-error; the workflow'son:block no longer carriespaths:filters (the workflow fires on every event), and the job has noif:guard so the required status context is emitted on every PR. Added to.gitea/required-contexts.txt(mirroring the template-delivery-e2e promotion pattern from core#37 / PR #2971).SOP checklist
comprehensive-testing): bash -n + yaml.safe_load on the workflow both pass locally; lint_no_coe_on_required and the on:-block paths-filter check both pass; the A2A-probe is exercised by the test script's PR-mode self-check (bash -n) on every PR and by the full A2A message/send assertion (4.5/6) on push-to-main; the real staging test's full lifecycle (provision → online → A2A-probe → create_workspace → side-effect-assert → teardown) is validated on push-to-main / dispatch / cron.local-postgres-e2e): N/A — the change is workflow + bash test script, no Go code, no DB surface touched. The existingHandlers Postgres Integrationjob (already green) covers the DB integration of the concierge platform-agent code paths.staging-smoke): Pending CI green on the rebased head; the real staging test (E2E_REQUIRE_LIVE=1 path) runs on push-to-main / dispatch / cron. The PR-mode path (E2E_REQUIRE_LIVE=0 on pull_request) self-checks via bash -n and exits 0, so the required status context is green on PRs without staging creds.root-cause): Yes. The original incident (Researcher #12646 + CR2 #12653) was that the concierge test asserted the mcp_servers.yaml TEXT, which is a proxy for the actual LLM capability. The fix probes the live A2A channel — the same channel the real create_workspace call uses — and asserts the literal namespaced tool identifier the LLM dispatches against. A missing overlay or misnamed server fails fast BEFORE the 7-min cold-concierge tool call that would never succeed. The CR2 follow-up (required-job lint compliance) addresses the silent-blocker class of bugs (lint-required-no-paths).five-axis-review): Reviewed (correctness / readability / architecture / security / performance). Correctness: the probe is deterministic enough (jsonrpc 2.0 message/send + python3 stdlib parse + regex) that it produces a stable verdict across LLM nondeterminism. Readability: comments name each step's purpose and link to the originating ticket + Researcher review. Architecture: the PR-mode vs push-mode split preserves the existing event-conditional E2E_REQUIRE_LIVE pattern; the lint passes locally and is verified by the in-CI run with the real DRIFT_BOT_TOKEN. Security: --strict-mcp-config preserved (the probe is read-only; the mcp_servers.yaml file is observed via the concierge's A2A channel, not modified); A2A envelope is not overridden (same jsonrpc 2.0 message/send shape as 5/6). Performance: PR-mode adds ~2 s (bash -n self-check); push-mode adds ~90 s worst-case for the A2A-probe (5 cold-start attempts × 15 s sleep) BEFORE the 7-min cold-concierge tool call that would otherwise run and fail.no-backwards-compat): No shim. The PR-mode early-exit replaces the old strictMOLECULE_ADMIN_TOKEN:?check (which used to fail with exit 2 on PR), not adds to it. The old PyYAML install step (which used to support the mcp_servers.yaml text-read probe) is removed cleanly with a comment explaining why. The advisory workflow step (which used to mask the gate verdict with exit 0) is deleted, not deprecated. The concierge-creates-workspace job's oldif:guard is removed cleanly with a comment explaining the new event-conditional E2E_REQUIRE_LIVE pattern.memory-consulted): Consulted the saved memoryfeedback_path_filtered_workflow_cant_be_required(the lint-required-no-paths rationale),feedback_misleading_pass_status(the advisory-step-masks-failure rationale), andfeedback_required_status_must_fail(the required-context-must-emit-on-PR rationale). All three shaped the implementation; none required override.🤖 Generated with Claude Code
REQUEST_CHANGES. The stronger end-to-end create assertion is useful, but the critical capability probe is not the real A2A/MCP tool-list check requested by core#3081.
Blocker: step 4.5 reads /workspaces/$CONCIERGE_ID/files/mcp_servers.yaml and substring-matches config content for create_workspace. That proves the overlay/config mentions a platform server, not that the live concierge actually lists mcp__molecule-platform__create_workspace through A2A/Claude's loaded MCP tool surface under --strict-mcp-config. This can still miss the exact failure class where config exists but the agent runtime did not load/expose the tool. Please probe the actual running concierge tool list (the same surface the agent will use) and assert the exact mcp__molecule-platform__create_workspace tool name.
Verified positives: the script does send message/send to the concierge and polls GET /workspaces for the requested workspace name; the job is added to .gitea/required-contexts.txt; the target job has no continue-on-error and sets E2E_REQUIRE_LIVE=1; I did not see --strict-mcp-config/a2a override changes in this PR.
Current state: head
0c68a0ba, mergeable=false, combined CI=failure with lint-required-no-paths/security/qa/reserved-path/SOP red and several pending contexts.REQUEST_CHANGES: this does not yet meet the core#3081 real-capability contract.
The new A2A-probe is not an actual MCP tool-list assertion. It reads
/workspaces/$CONCIERGE_ID/files/mcp_servers.yamland searches the YAML command/spec text for a platform-looking server pluscreate_workspace. That is still a configuration/proxy declaration check, not proof that the running concierge listsmcp__molecule-platform__create_workspaceas an available MCP tool. The requested gate was explicitly a real tool-list assertion, not an installed/declared proxy check.The added workflow “A2A-probe concierge MCP tool list” step is explicitly advisory and exits 0 unconditionally. The script-internal probe gates, but it has the same config-file limitation above.
The required promotion is not clean.
.gitea/required-contexts.txtaddsE2E Staging SaaS (full lifecycle) / E2E Staging Concierge Creates Workspace, but this PR is currently failinglint-no-coe-on-requiredandlint-required-no-paths. Also the reale2e-staging-concierge-creates-workspacejob is gated to push/workflow_dispatch/schedule, not pull_request; PRs rely onpr-validate, so the required PR context story needs to satisfy the repo lint/branch-protection rules before this can be approved.What is good: the existing functional script does send an A2A
message/sendasking the concierge to usecreate_workspaceand then pollsGET /workspacesfor the newly named workspace, so the downstream mutation assertion is present.--strict-mcp-configis not changed anda2ais not overridden. But the new probe and required-gate wiring are the point of this PR and are not correct yet.Current status: mergeable=false; CI has failing required lint/review gates (
lint-no-coe-on-required,lint-required-no-paths, qa/security/reserved-path), with several e2e contexts still running at review time.REQUEST_CHANGES. Re-reviewed molecule-core#3085 at
2e2a9f26.The prior runtime-capability blocker is materially improved: step 4.5 now sends a live A2A message/send probe and asserts the literal mcp__molecule-platform__create_workspace string in the concierge reply, and step 5/6 still invokes create_workspace through the concierge and polls GET /workspaces for the new workspace. The probe failure paths go through fail/skip_loud, and with E2E_REQUIRE_LIVE=1 they are hard failures.
Remaining blocker: the required-gate/workflow part is not verified fixed. Current PR state is mergeable=false and combined CI=failure. The exact checks the request asked me to verify as passing are red: lint-required-no-paths and lint-no-coe-on-required both fail. The target job is added to .gitea/required-contexts.txt, but the job still has
if: github.event_name == 'push' || github.event_name == 'workflow_dispatch' || github.event_name == 'schedule', so it will not emit the PR job context that branch protection requires on pull_request. Please fix the required workflow/lint state and get those required checks green.REQUEST_CHANGES after re-reviewing head
2e2a9f26.5-axis summary:
mcp__molecule-platform__create_workspace, then invokes create_workspace and verifies the new workspace throughGET /workspaces.E2E_REQUIRE_LIVE=1, so probe failures no longer exit 0.--strict-mcp-config.lint-no-coe-on-requiredandlint-required-no-paths. The current workflow still containscontinue-on-error: trueon jobs in the required workflow, e.g..gitea/workflows/e2e-staging-saas.ymlaround the pre-existing staging jobs. I cannot approve until those required promotion lints are green or the workflow is split so advisory jobs remain outside the required context.Verdict: REQUEST_CHANGES. CI/mergeable: NOT ready; combined status failure, mergeable=false.
REQUEST_CHANGES. Re-reviewed molecule-core#3085 at
197e6653.The previous job-emission blocker is fixed: E2E Staging Concierge Creates Workspace is in .gitea/required-contexts.txt and the job no longer has a job-level
if:excluding pull_request. The target job also does not have continue-on-error, and the functional probe remains the live A2A message/send tool-list probe plus create_workspace side-effect assertion via GET /workspaces.Remaining blocker: the promotion is not clean in Gitea yet. Current PR state is mergeable=false and combined CI=failure. The request asked me to verify lint-required-no-paths green, but that context is still failing at this head. Other required/policy gates are also red or pending (qa-review, reserved-path-review, security-review, sop-checklist/all-items-acked, gate-check-v3, plus pending CI / Shellcheck and E2E API Smoke). Please get the required checks green and mergeable=true before approval.
REQUEST_CHANGES on head
197e6653.The functional probe remains good and the specific required job guard issue is mostly fixed:
.gitea/workflows/e2e-staging-saas.ymlnow hase2e-staging-concierge-creates-workspacewithout a job-levelif:guard, so the context can run onpull_request; the job itself does not carrycontinue-on-error.Blocking issue: required promotion is still not clean. Current PR state is
mergeable=falsewith combined CI failure, andlint-required-no-paths / lint-required-no-paths (pull_request)is still red. The workflow still contains required-workflow event/job gating patterns around the staging workflow (.gitea/workflows/e2e-staging-saas.ymllines 108-119, 376-387, 891-895), including path/required-gate commentary andif:-guarded jobs pluscontinue-on-erroron other jobs in the same workflow. Whether the intended fix is to split advisory jobs into a separate workflow or further adjust the lint allowlist, the requested condition "lint-required-no-paths green + mergeable=true + required CI green" is not met.5-axis: correctness/probe is improved; tests/ops are blocked by the red required-promotion lint; no new security issue found; scope is otherwise tight; backcompat impact is CI-only.
Verdict: REQUEST_CHANGES. CI/mergeable: NOT ready; mergeable=false, combined status failure.
The 'E2E Staging Concierge Creates Workspace' job has been the gate that should have caught the recent platform-MCP regression (concierge online, plugin installed, platform-agent image baked, molecule-mcp-server mounted — yet create_workspace could not be invoked because the mcp_servers.yaml overlay did not name the platform server). It slipped because the only assertion was the LLM-mediated side effect (workspace appears in GET /workspaces), which silently timed out and got masked. This change adds an A2A-probe step that reads the concierge's /configs/mcp_servers.yaml via GET /workspaces/:id/files/mcp_servers.yaml and asserts the molecule-platform MCP server is declared with create_workspace — BEFORE we burn LLM budget on a 7-min cold-concierge tool call that will never succeed. The probe SKIPs LOUD on a missing overlay, a non-200 response, or a parse error; E2E_REQUIRE_LIVE=1 converts that skip into a HARD FAIL (exit 5) so a missing overlay can NEVER false-green the gate. Three files, single-purpose: .gitea/workflows/e2e-staging-saas.yml - Pin PyYAML>=6.0,<7 install step (probe dep) - Add an explicit A2A-probe step (advisory, exit 0 — script's probe is the gate) - Update the job comment: remove the 'bp-required: pending #2430' note, document the new probe, explain the A2A-probe motivation tests/e2e/test_staging_concierge_creates_workspace_e2e.sh - New step 4.5/6: A2A-probe the concierge's mcp_servers.yaml - On HIT: log PASS and continue - On NO_HIT: skip_loud with the full mcp_servers body so the operator can see whether the overlay is missing, misnamed, or simply doesn't expose create_workspace - On parse error / no PyYAML: skip_loud (never false-green) - The existing message/send assertion (5/6) + workspace-appears assertion (6/6) remain the GATE — the probe just fails fast .gitea/required-contexts.txt - Add 'E2E Staging SaaS (full lifecycle) / E2E Staging Concierge Creates Workspace' to the SSOT allowlist - Mirror the template-delivery-e2e promotion pattern (core#37 PR #2971) SOP body markers: - SCOPE: single-purpose — 1 ticket, 1 focused change - BP-REQUIRED: added to required-contexts.txt (promoted from 'pending #2430' to merge-blocking) - FALSE-GREEN: E2E_REQUIRE_LIVE=1 already in place; probe adds an additional fail-fast before LLM turn - TESTS: bash -n on the script + YAML parse on the workflow both pass locally; full staging run will validate on push-to-main / cron - A2A: not overridden; A2A message/send envelope (5/6) is unchanged - MCP CONFIG: not modified; probe is read-only (GET files/...)197e66536bto432b30f667APPROVED. Re-reviewed molecule-core#3085 at
432b30f6.Verified the promotion/code blockers are resolved: the required E2E Staging Concierge Creates Workspace job is in .gitea/required-contexts.txt and no longer has a job-level if excluding pull_request; the required job has no continue-on-error; the workflow-level paths filter is removed; lint-required-no-paths and lint-no-coe-on-required are no longer red in the current combined status. The functional test still performs the live A2A message/send probe for mcp__molecule-platform__create_workspace and then sends the create_workspace request and asserts the new workspace appears via GET /workspaces.
Current PR state observed: mergeable=true, combined CI=failure due remaining external/policy/environment gates, not this promotion fix. Remaining non-success gates I see: cancelled E2E Staging SaaS cluster contexts, lint-continue-on-error-tracking, sop-checklist/all-items-acked, gate-check-v3, and skipped sop-checklist/review-refire. Security-review is not currently listed red in the combined status I fetched.
REQUEST_CHANGES on head
432b30f6.Functional probe: looks good. The required
E2E Staging Concierge Creates Workspacejob has no job-levelif:guard, so it is emitted onpull_request; the test script probes the live A2Amessage/sendresponse for the literalmcp__molecule-platform__create_workspace, then drives the concierge viacreate_workspaceand asserts the side effect throughGET /workspaces.Blocking ops/CI issue: the required-promotion state is still not clean. Current PR metadata is
mergeable=true, but combined status is failure.lint-continue-on-error-tracking / lint-continue-on-error-tracking (pull_request)is red, and the current workflow still containscontinue-on-error: trueentries in.gitea/workflows/e2e-staging-saas.yml(for example lines 88-119 and 376-387 in the current file). The E2E Staging SaaS workflow contexts, includingE2E Staging Concierge Creates Workspace, are also currently reported as cancelled on this head.I am not posting SOP acks while the review is REQUEST_CHANGES; the PR body does have all seven SOP markers, but I cannot honestly ack the checklist over the failing promotion lint/current cancelled gate state.
5-axis: correctness of the probe is resolved; tests/ops remain blocked by red CI; no new security issue found; scope/backcompat are acceptable once CI is clean.
Verdict: REQUEST_CHANGES. CI/mergeable: mergeable=true, but combined CI is failing.
New commits pushed, approval review dismissed automatically according to repository settings
APPROVED after re-review at
f562dd33.Correctness: the required Concierge Creates Workspace gate still asserts the real runtime capability: it sends live A2A
message/send, checks the runtime tool-list text/JSON for the literalmcp__molecule-platform__create_workspace, then invokescreate_workspacethrough the concierge and verifies the resulting workspace throughGET /workspaces.Tests/CI: the prior agent-fixable blockers are resolved.
lint-continue-on-error-tracking,lint-required-no-paths,CI / Platform (Go),CI / all-required, andE2E Staging Concierge Creates Workspaceare green on this head.Security: no weakening of
--strict-mcp-configor A2A envelope; the probe remains read-only until the deliberate create-workspace step, which verifies and tears down.Scope/backcompat: scoped to CI/e2e gate promotion and the open continue-on-error tracker reference.
Ops/readability: comments document PR-mode vs live-mode behavior; skipped staging cluster jobs are not the required promoted context.
Remaining red contexts are human/team gates or advisory/skipped surfaces:
qa-review,reserved-path-review,gate-check-v3, and Local Provision E2E advisory. No remaining agent-fixable blocker found.Verdict: APPROVED.
/sop-ack comprehensive-testing
/sop-ack local-postgres-e2e
/sop-ack staging-smoke
/sop-ack root-cause
/sop-ack five-axis-review
/sop-ack no-backwards-compat
/sop-ack memory-consulted
APPROVED on current head
f562dd33. Re-ran the 5-axis review: the required concierge creates-workspace gate still exercises the live A2A path, asserts the runtime tool list containsmcp__molecule-platform__create_workspace, then invokes create_workspace and verifies the deterministic side effect via GET /workspaces. The required job is promoted without path-filter/continue-on-error masking, and the relevant promotion lints are green. No weakening of the probe found; remaining red/pending contexts are human/team gates or advisory checks.