Add A19/B19 runner doctor entries: ARC/DinD safeoutputs mount + rootless cleanup chmod noise

[Copilot]

The self-hosted runner failure-mode catalog was missing two recently fixed lessons: an ARC/DinD safeoutputs mount translation bug (create_pull_request failing with "No patch file found" despite a successful write) and benign rootless cleanup chmod warnings drowning out the real primary failure in logs.

Catalog updates (shared/self-hosted-failure-modes.md)

• A19: safeoutputs /tmp/gh-aw:/tmp/gh-aw:rw mount wasn't passed through translateBindMountHostPath() / --docker-host-path-prefix, so DinD daemons resolved the bind source against their own filesystem instead of the runner's staged path — fixed in fix: translate safeoutputs mount for ARC/DinD #6959
• B19: preserveDirectory() logged full execa errors at warn for expected EPERM/EACCES chmod cleanup failures on rootless runners instead of reusing the existing benign-error classifier from fixArtifactPermissionsForRootless(), which buried the actual startup error — fixed in fix: demote benign rootless cleanup errors #6939
• Added matching rows to the error-string quick-lookup table

Mirrored to keep catalogs in sync

• .github/workflows/self-hosted-runner-doctor.md: quick-lookup entries + detailed narrative sections for A19/B19
• .github/agents/self-hosted-runner-doctor.md: identical table rows, narrative sections, and lookup entries in the embedded portable copy

• Fixes 🩺 Runner Doctor UpdateRunner Doctor: add A19 (ARC/DinD safeoutputs mount) and B19 (rootless cleanup chmod noise) #6997

[Copilot]

Pull request overview

Adds A19/B19 diagnostics to the self-hosted runner doctor catalog.

Changes:

• Documents ARC/DinD safeoutputs mount translation failures.
• Documents benign rootless cleanup warning noise.
• Mirrors entries across all doctor variants.

Show a summary per file

File	Description
.github/workflows/shared/self-hosted-failure-modes.md	Adds canonical A19/B19 catalog and lookup entries.
.github/workflows/self-hosted-runner-doctor.md	Adds workflow doctor diagnostics.
.github/agents/self-hosted-runner-doctor.md	Updates the portable embedded catalog.

Review details

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• Files reviewed: 3/3 changed files
• Comments generated: 2
• Review effort level: Balanced

[github-actions]

✅ Copilot review passed with no inline comments.

@copilot Add the ready-for-aw label to this PR to trigger agentic CI smoke tests.

[github-actions]

🛡️ Smoke Copilot Network Isolation reports failed to deliver outputs while checking network isolation. Investigate the egress model.

[github-actions]

📡 Smoke OTel Tracing completed. All tracing scenarios validated. ✅

[github-actions]

✅ Smoke Claude passed

[github-actions]

Build Test Failed Build Test Suite - See logs for details

[github-actions]

📰 DEVELOPING STORY: Smoke Docker Sbx reports failed to deliver outputs. Our correspondents are investigating the incident...

[github-actions]

Chroot tests passed! Smoke Chroot - All security and functionality tests succeeded.

[github-actions]

✅ Smoke Gemini completed. All facets verified. 💎

[github-actions]

✅ Smoke Copilot BYOK completed. Copilot BYOK mode operational. 🔓

[github-actions]

✨ The prophecy is fulfilled... Smoke Codex has completed its mystical journey. The stars align. 🌟

[github-actions]

❌ Smoke Copilot BYOK AOAI (Entra) reports failed to deliver outputs. AOAI BYOK (Entra) mode investigation needed...

[github-actions]

🚀 Security Guard has started processing this pull request

[github-actions]

❌ Smoke Copilot BYOK AOAI (api-key) reports failed. AOAI BYOK (api-key) mode investigation needed...

Smoke test PASS: GitHub MCP connectivity ✅, github.com connectivity ✅, File I/O test ✅, BYOK inference ✅ (direct BYOK mode via api-proxy to Azure OpenAI Foundry)

[github-actions]

📰 DEVELOPING STORY: Smoke Copilot reports failed to deliver outputs. Our correspondents are investigating the incident...

[github-actions]

❌ Contribution Check failed. Please review the logs for details.

[github-actions]

🔌 Smoke Services — All services reachable! ✅

[github-actions]

Smoke Test: Claude Engine Validation

Check	Result
API status	PASS
gh check	PASS
File status	PASS

Overall result: PASS

Generated by Smoke Claude for #7067 · haiku45 · 59.5 AIC · ⊞ 3.6K · ◷
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[github-actions]

EGRESS_RESULT allow=pass deny=pass

✅ Allowed domain (github.com) reachable: allowed=200
✅ Blocked domain (example.com) denied: CONNECT tunnel failed, 403

Overall: PASS

cc @lpcox

Warning

Firewall blocked 1 domain

The following domain was blocked by the firewall during workflow execution:

• example.com

To allow these domains, add them to the network.allowed list in your workflow frontmatter:

network:
  allowed:
    - defaults
    - "example.com"

See Network Configuration for more information.

🛡️ Egress verdict from Smoke Copilot Network Isolation
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[github-actions]

Copilot BYOK Smoke Test ✅ PASS

Running in direct BYOK mode (COPILOT_PROVIDER_API_KEY via api-proxy → api.githubcopilot.com)

• ✅ GitHub MCP: Connected (2 merged PRs verified)
• ✅ HTTP Connectivity: Code 200 to github.com
• ✅ File Write/Read: Test file exists and readable
• ✅ BYOK Inference: Agent → api-proxy → api.githubcopilot.com

Recent merged PRs:

• chore: upgrade gh-aw to v0.86.0 pre-release and recompile workflows #7027: upgrade gh-aw to v0.86.0 pre-release (@lpcox)
• fix(api-proxy): stop alias fallback picking arbitrary models #6996: api-proxy model fallback fix (@davidslater)

🔑 BYOK report filed by Smoke Copilot BYOK
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[github-actions]

Smoke Test: Copilot Engine — @lpcox

• ✅ GitHub MCP: PR chore: upgrade gh-aw to v0.86.0 pre-release and recompile workflows #7027 "chore: upgrade gh-aw to v0.86.0 pre-release and recompile workflows"
• ✅ GitHub.com connectivity (HTTP 200)
• ✅ File write/read test passed

Overall: PASS

📰 BREAKING: Report filed by Smoke Copilot
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[github-actions]

Smoke Test: GitHub Actions Services Connectivity

• Redis: ❌ (Temporary failure in name resolution)
• PostgreSQL pg_isready: ❌ (no response)
• PostgreSQL SELECT 1: ❌ (could not translate host name)

Overall: FAIL — host.docker.internal did not resolve inside the AWF sandbox.

🔌 Service connectivity validated by Smoke Services
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[github-actions]

Smoke Test: API Proxy OpenTelemetry Tracing — Results

• ✅ Scenario 1 (Module Loading): otel.js loaded successfully; isEnabled() → true; exports include startRequestSpan, setTokenAttributes, setBudgetAttributes, endSpan, endSpanError, shutdown, isEnabled.
• ✅ Scenario 2 (Test Suite): 3 suites / 68 tests passed (otel.test.js, otel-fanout.test.js, otel-workload-identity.test.js).
• ✅ Scenario 3 (Env Var Forwarding): env-passthrough.ts forwards GITHUB_AW_OTEL_TRACE_ID/GITHUB_AW_OTEL_PARENT_SPAN_ID; api-proxy-env-config.ts forwards GH_AW_OTLP_ENDPOINTS, OTEL_EXPORTER_OTLP_ENDPOINT, and trace context vars.
• ✅ Scenario 4 (Token Tracker Integration): token-tracker-http.js contains the onUsage callback hook point.
• ✅ Scenario 5 (OTEL Diagnostics): 1 span exported to /tmp/gh-aw/otel.jsonl (gh-aw.agent.setup), confirming OTLP export works via the configured exporter path; no LLM request spans in this run since no proxied LLM calls were made during the smoke test.

Overall: all scenarios passed.

📡 OTel tracing validated by Smoke OTel Tracing
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[github-actions]

PR titles: unavailable (safeinputs-gh missing)
Merged PR review: ❌
safeinputs-gh pr list: ❌
Playwright GitHub title: ✅
Temp file write/read: ✅
Discussion query/comment: ❌
npm ci + npm run build: ✅
Overall status: FAIL

Warning

Firewall blocked 1 domain

The following domain was blocked by the firewall during workflow execution:

• registry.npmjs.org

To allow these domains, add them to the network.allowed list in your workflow frontmatter:

network:
  allowed:
    - defaults
    - "registry.npmjs.org"

See Network Configuration for more information.

🔮 The oracle has spoken through Smoke Codex
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[github-actions]

Chroot Version Comparison Results

Runtime	Host Version	Chroot Version	Match?
Python	Python 3.12.13	Python 3.12.13	✅ YES
Node.js	v24.18.0	v22.23.2	❌ NO
Go	go1.22.12	go1.22.12	✅ YES

Overall: FAILED — Node.js version mismatch between host and chroot environments. smoke-chroot label not applied.

Tested by Smoke Chroot
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[github-actions]

🏗️ Build Test Suite Results

Ecosystem	Project	Build/Install	Tests	Status
Bun	elysia	✅	1/1 passed	✅ PASS
Bun	hono	✅	1/1 passed	✅ PASS
C++	fmt	✅	N/A	✅ PASS
C++	json	✅	N/A	✅ PASS
Deno	oak	N/A	1/1 passed	✅ PASS
Deno	std	N/A	1/1 passed	✅ PASS
.NET	hello-world	✅	N/A	✅ PASS
.NET	json-parse	✅	N/A	✅ PASS
Go	color	✅	ok	✅ PASS
Go	env	✅	ok	✅ PASS
Go	uuid	✅	ok	✅ PASS
Java	gson	✅	1/1 passed	✅ PASS
Java	caffeine	✅	1/1 passed	✅ PASS
Node.js	clsx	✅	passed	✅ PASS
Node.js	execa	✅	passed	✅ PASS
Node.js	p-limit	✅	passed	✅ PASS
Rust	fd	✅	1/1 passed	✅ PASS
Rust	zoxide	✅	1/1 passed	✅ PASS

Overall: 8/8 ecosystems passed — PASS

Note: Java builds initially failed with Could not create local repository at /home/runner/.m2/repository (the directory is root-owned in this environment, unrelated to the firewall/proxy). Worked around by setting -Dmaven.repo.local to a writable path; Maven's HTTP/HTTPS proxy settings via ~/.m2/settings.xml worked correctly through the Squid proxy.

Generated by Build Test Suite for #7067 · auto · 37.8 AIC · ⊞ 11.5K · ◷
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[github-actions]

chore: upgrade gh-aw to v0.86.0 pre-release and recompile workflows
fix(api-proxy): stop alias fallback picking arbitrary models

GitHub MCP connectivity: ✅
GitHub.com connectivity: ✅
File write/read test: ✅
BYOK inference test: ✅

Running in direct BYOK mode (AWF_AUTH_TYPE=github-oidc + AWF_AUTH_AZURE_* + COPILOT_PROVIDER_BASE_URL) via api-proxy → Azure OpenAI (Foundry, o4-mini-aw) authenticated via Microsoft Entra

Overall: PASS

@lpcox

🪪 BYOK (AOAI Entra) report filed by Smoke Copilot BYOK AOAI (Entra)
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[github-actions]

Smoke Test: Gemini Engine Validation

• GitHub MCP Testing: ✅ (PRs chore(deps): bump the npm_and_yarn group across 2 directories with 2 updates #7064, chore(deps): bump js-yaml from 4.3.0 to 5.2.2 #7036; Titles filtered by secrecy policy)
• GitHub.com Connectivity: ✅ (Verified via proxy)
• File Writing Testing: ✅
• Bash Tool Testing: ✅

Overall status: PASS

💎 Faceted by Smoke Gemini
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[github-actions]

Smoke Test: Docker Sbx — Results

• ✅ GitHub MCP: connected (list_pull_requests call succeeded)
• ✅ GitHub.com connectivity: HTTP 200
• ✅ File write/read: verified

Overall: PASS

cc @lpcox

📰 BREAKING: Report filed by Smoke Docker Sbx
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