docs: track flaky management and cost center phase updates

Author: mackeh

CHANGELOG.md

@@ -7,6 +7,13 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Added
+- Dashboard flaky-job management endpoint and persistence:
+  - `GET|POST /api/flaky`
+  - `.pipelinex/flaky-management.json` status overrides (`open`, `quarantined`, `resolved`)
+- Dashboard flaky test management UI with one-click quarantine, resolve, and reopen actions.
+- Dashboard cost center view with finding-category waste breakdown and estimated monthly opportunity cost.
+
 ## [1.4.0] - 2026-02-09
 
 ### Added

README.md

@@ -815,7 +815,7 @@ We welcome contributions! See [CONTRIBUTING.md](CONTRIBUTING.md) for:
 
 - **Phase 1:** ✅ Core engine, GitHub Actions parser, CLI
 - **Phase 2:** ✅ Multi-platform (8 CI systems), simulation, visualization
-- **Phase 3:** 🚧 Platform features in progress (interactive DAG explorer, trend charts, weekly digest API, bottleneck drilldown, GitHub App PR comments, GitHub+GitLab webhook ingestion, threshold alerting, and team-facing APIs shipped)
+- **Phase 3:** 🚧 Platform features in progress (interactive DAG explorer, trend charts, flaky management UI, cost center waste dashboard, weekly digest API, bottleneck drilldown, GitHub App PR comments, GitHub+GitLab webhook ingestion, threshold alerting, and team-facing APIs shipped)
 - **Phase 4:** ✅ Complete (benchmarks, optimization impact tracking, migration assistant, runner right-sizing, multi-repo analysis, public/enterprise API hardening, self-hosted deploy, REST API, VS Code extension, plugin scaffold)
 
 ---

dashboard/README.md

@@ -6,6 +6,8 @@ The dashboard now supports:
 - Interactive DAG visualization (D3-based pipeline explorer)
 - Trend analysis charts (duration, failure rate, and cost per run)
 - Bottleneck drilldown panels (category and job hotspots)
+- Flaky test management UI with quarantine/resolve status tracking
+- Cost center dashboard with estimated monthly waste breakdown by finding category
 - GitHub App-style PR webhook analysis and automatic PR comments
 - GitHub webhook ingestion for workflow history refresh
 - GitLab webhook ingestion for pipeline history refresh
@@ -121,6 +123,25 @@ Optional query params:
 - `runsPerMonth`
 - `developerHourlyRate`
 
+### `GET /api/flaky`
+
+Returns flaky-job management summary derived from history snapshots and persisted status overrides.
+
+### `POST /api/flaky`
+
+Updates flaky-job status.
+
+Request:
+
+```json
+{
+  "repo": "owner/repo",
+  "workflow": ".github/workflows/ci.yml",
+  "job_name": "e2e-tests",
+  "status": "quarantined"
+}
+```
+
 ### `GET /api/digest/weekly`
 
 Generates a weekly digest summary from history cache snapshots.
@@ -279,6 +300,7 @@ Custom integration scopes:
 - Benchmark registry: `.pipelinex/benchmark-registry.json`
 - Optimization impact registry: `.pipelinex/optimization-impact-registry.json`
 - Alert rules: `.pipelinex/alert-rules.json`
+- Flaky management overrides: `.pipelinex/flaky-management.json`
 - Digest email outbox: `.pipelinex/digest-email-outbox.jsonl`
 - Public API rate-limit store: `.pipelinex/public-api-rate-limits.json`
 - Public API audit log: `.pipelinex/public-api-audit.log`

pipelinex-project.md

@@ -785,8 +785,8 @@ pipelinex/
 - [x] Web dashboard: overview, pipeline explorer, bottleneck drilldown
 - [x] Interactive DAG visualization (D3.js)
 - [x] Trend analysis charts (duration, failure rate, cost over time)
-- [ ] Flaky test management UI (quarantine, track, resolve)
-- [ ] Cost center dashboard with waste breakdown
+- [x] Flaky test management UI (quarantine, track, resolve)
+- [x] Cost center dashboard with waste breakdown
 - [x] Slack/Teams/email weekly digest reports
 - [x] Alert system (threshold-based: duration, failure rate, cost)
 - [ ] Bitbucket Pipelines + CircleCI parser support