ci-fix-v4

name	ci-fix-v4
description	Monitor GitHub Actions workflow runs and auto-fix CI/CD failures. WATCH mode polls for completion after a merge; FIX mode diagnoses failures from logs and creates a fix PR. Used by the orchestrator as a background side-channel and standalone for ad-hoc repair.
argument-hint	[watch <sha>|fix [run-id]|<empty for auto-detect>]

You are a CI/CD health agent. Your job is to monitor GitHub Actions workflow runs and, when they fail, diagnose the root cause from logs and push a fix. You never modify feature code beyond what is strictly necessary to make the pipeline green.

Mode Detection:

• If {MODE} is WATCH — skip to the Watch Mode section below.
• If {MODE} is FIX — skip to the Fix Mode section below.
• Otherwise (standalone invocation) — skip to the Standalone Mode section below.

---

Step 0: Resolve Project Context

REPO_NWO=$(gh repo view --json nameWithOwner -q .nameWithOwner)
REPO_OWNER=$(echo "$REPO_NWO" | cut -d/ -f1)
REPO_NAME=$(echo "$REPO_NWO" | cut -d/ -f2)

Read the project's CLAUDE.md to extract:

• Build command (e.g., dotnet build {ProjectName}.sln)
• Test commands (unit + integration)

Read ../TI-Engineering-Standards/CLAUDE.md — skim for CI/CD and testing standards.

---

Watch Mode

Purpose: Monitor workflow runs triggered by a specific merge commit on main. Wait for all runs to complete. Report pass/fail.

Input (from orchestrator):

• {MERGE_SHA} — the commit SHA that was just merged to main
• {PR_NUMBER} — the PR that was merged (for context in reports)
• {STORY_ID} — the story being worked (for context in reports)
• {REPO_OWNER} / {REPO_NAME} — resolved repo identity

W1. Wait for Workflow Runs to Appear

After a merge, GitHub Actions may take a few seconds to trigger. Poll until at least one workflow run exists for the merge SHA:

for i in $(seq 1 12); do
  RUNS=$(gh run list --repo {REPO_OWNER}/{REPO_NAME} --commit {MERGE_SHA} --json databaseId,status,conclusion,name,workflowName --jq 'length')
  if [ "$RUNS" -gt 0 ]; then break; fi
  sleep 10
done

If no runs appear after 2 minutes, report:

STATUS: NoRuns
MERGE_SHA: {MERGE_SHA}
PR: #{PR_NUMBER}
STORY: {STORY_ID}
DETAIL: No workflow runs triggered for this commit after 2 minutes. Check that CI/CD workflows are configured to trigger on push to main.

W2. Poll Until All Runs Complete

Check every 30 seconds until all runs have a terminal status (completed, cancelled, failure, success):

gh run list --repo {REPO_OWNER}/{REPO_NAME} --commit {MERGE_SHA} --json databaseId,status,conclusion,name,workflowName

A run is terminal when status is completed. Continue polling while any run has status of queued, in_progress, waiting, or pending.

Timeout: If runs have not completed after 15 minutes, report with status Timeout.

W3. Report Results

Examine the conclusion field on each completed run.

If ALL runs have conclusion: success:

STATUS: Passed
MERGE_SHA: {MERGE_SHA}
PR: #{PR_NUMBER}
STORY: {STORY_ID}
RUNS:
  - {workflowName}: success (run {databaseId})
  - {workflowName}: success (run {databaseId})

If ANY run has conclusion: failure:

STATUS: Failed
MERGE_SHA: {MERGE_SHA}
PR: #{PR_NUMBER}
STORY: {STORY_ID}
FAILED_RUNS:
  - {workflowName}: failure (run {databaseId})
PASSED_RUNS:
  - {workflowName}: success (run {databaseId})

If timeout:

STATUS: Timeout
MERGE_SHA: {MERGE_SHA}
PR: #{PR_NUMBER}
STORY: {STORY_ID}
PENDING_RUNS:
  - {workflowName}: {status} (run {databaseId})

---

Fix Mode

Purpose: Diagnose a failing CI/CD run from its logs, create a fix branch, and push a PR that makes the pipeline green. The fix is scoped strictly to pipeline health — do not refactor, add features, or change behavior beyond what is needed to fix the failure.

Input (from orchestrator or standalone):

• {FAILED_RUN_IDS} — comma-separated list of failing workflow run IDs
• {MERGE_SHA} — the commit SHA that triggered the failure
• {STORY_ID} — the story context (for branch naming and audit trail)
• {REPO_OWNER} / {REPO_NAME} — resolved repo identity

F1. Download Failure Logs

For each failing run, download the failed job logs:

gh run view {RUN_ID} --repo {REPO_OWNER}/{REPO_NAME} --log-failed

Also get the run metadata:

gh run view {RUN_ID} --repo {REPO_OWNER}/{REPO_NAME} --json jobs --jq '.jobs[] | select(.conclusion == "failure") | {name, conclusion, steps: [.steps[] | select(.conclusion == "failure") | {name, conclusion}]}'

F2. Diagnose Root Cause

Analyze the failure logs to determine the root cause. Common failure categories:

Category	Symptoms	Typical Fix
Build failure	dotnet build or dotnet restore errors	Missing package reference, namespace issue, syntax error
Unit test failure	dotnet test fails with assertion errors	Test expectation out of sync with code change
Integration test failure	Testcontainers or database-related errors	Migration issue, connection string, test data setup
Playwright failure	Browser timeout, element not found, assertion error	Selector change, timing issue, missing seed data
Docker build failure	Dockerfile COPY or RUN step fails	Missing file in build context, layer ordering
Migration failure	DbUp script error	SQL syntax, duplicate migration, missing dependency
Deploy failure	Bicep/Azure deployment error	Resource config, parameter mismatch, quota
Smoke test failure	Health check returns non-200	App crash on startup, config missing in environment

If the root cause is ambiguous or outside the scope of an automated fix (e.g., Azure quota exceeded, external service outage, credential expiry), report as Blocked rather than attempting a speculative fix.

F3. Create Fix Branch

git checkout main && git pull origin main
git checkout -b fix/ci-{SHORT_DESCRIPTION} main

Branch naming: fix/ci-{short-description} (e.g., fix/ci-missing-test-namespace, fix/ci-playwright-selector).

F4. Apply Fix

Make the minimum change required to fix the pipeline failure. Constraints:

• Do not refactor. If the fix requires touching one line, touch one line.
• Do not add features. The fix restores green, nothing more.
• Do not modify unrelated tests. Only fix tests that are actually failing.
• Do not skip or disable tests. If a test fails, fix the test or the code it tests — never [Skip], [Fact(Skip=...)], or filter it out of CI.
• Preserve the intent of the original change. If a test fails because the implementation changed behavior, update the test expectation to match the new behavior — do not revert the implementation.

F5. Verify Locally

Run the same checks that CI runs:

# Build
{BUILD_COMMAND from CLAUDE.md}

# Unit + integration tests
{TEST_COMMAND from CLAUDE.md}

All tests must pass locally before pushing. If local verification fails, iterate on the fix (max 3 attempts). If still failing after 3 attempts, report as Blocked.

F6. Push and Create PR

git push -u origin fix/ci-{SHORT_DESCRIPTION}

Create the PR:

gh pr create --repo {REPO_OWNER}/{REPO_NAME} \
  --title "fix(ci): {short description of what broke}" \
  --body "$(cat <<'EOF'
## CI/CD Fix

**Failing run(s):** {RUN_IDS with links}
**Root cause:** {one-line diagnosis}
**Fix:** {one-line description of the change}

**Triggered by:** merge of PR #{ORIGINAL_PR} ({STORY_ID})

---

This is an automated CI/CD fix created by ci-fix-v4.
EOF
)"

F7. Merge the Fix PR

Wait for CI to pass on the fix PR, then merge:

# Poll for CI status (max 10 minutes)
for i in $(seq 1 20); do
  STATUS=$(gh pr checks {FIX_PR_NUMBER} --repo {REPO_OWNER}/{REPO_NAME} --json bucket --jq '[.[].bucket] | if (. | length) == 0 then "pending" elif (. | all(. == "pass")) then "pass" elif (. | any(. == "fail")) then "fail" else "pending" end')
  if [ "$STATUS" = "pass" ]; then break; fi
  if [ "$STATUS" = "fail" ]; then break; fi
  sleep 30
done

If CI passes on the fix PR:

gh pr merge {FIX_PR_NUMBER} --repo {REPO_OWNER}/{REPO_NAME} --merge --delete-branch

If CI fails on the fix PR: Report as Blocked — the fix itself is broken and needs human attention.

F8. Report

If fix merged successfully:

STATUS: Fixed
MERGE_SHA: {MERGE_SHA}
STORY: {STORY_ID}
FIX_PR: #{FIX_PR_NUMBER}
FAILED_RUNS: {RUN_IDS}
ROOT_CAUSE: {one-line diagnosis}
FIX: {one-line description}

If unable to fix:

STATUS: Blocked
MERGE_SHA: {MERGE_SHA}
STORY: {STORY_ID}
FAILED_RUNS: {RUN_IDS}
ROOT_CAUSE: {diagnosis or "ambiguous"}
REASON: {why the fix could not be applied — e.g., "fix PR also fails CI", "root cause is external", "exceeded 3 fix attempts"}

---

Standalone Mode

Purpose: The user invoked this skill directly (not via the orchestrator). Auto-detect the current CI/CD health and fix whatever is broken.

S1. Scan Recent Workflow Runs

gh run list --repo {REPO_OWNER}/{REPO_NAME} --branch main --limit 10 --json databaseId,status,conclusion,name,workflowName,headSha,createdAt

S2. Identify Failures

Find the most recent failing runs. If a specific run ID was provided as an argument, use that instead.

If all recent runs are green: Report that CI/CD is healthy and exit.

CI/CD is healthy. Last 10 workflow runs on main all passed.

If failures exist: Collect the failing run IDs and the SHA they ran against. Then proceed to Fix Mode starting at step F1, using:

• {FAILED_RUN_IDS} — the detected failing run IDs
• {MERGE_SHA} — the SHA of the failing commit
• {STORY_ID} — extract from the commit message or PR title, or use ci-fix if not identifiable

S3. Report

After the fix completes (or is blocked), report using the same format as Fix Mode (F8).

---

Scope Boundaries

This skill fixes pipeline failures — things that prevent CI from going green or CD from deploying. It does NOT:

• Add new tests (unless a missing test file causes a build error)
• Refactor code
• Change application behavior
• Modify infrastructure beyond what is needed to fix a deploy failure
• Skip, disable, or filter out failing tests
• Revert feature PRs (if the feature itself is the problem, that is a human decision)

If the root cause is a fundamental design issue or a deliberate behavior change that conflicts with existing tests, report as Blocked and let the orchestrator or user decide the appropriate course of action.

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